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Hire the best Firewall Developers in Pakistan

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Clients rate Firewall developers
Rating is 4.8 out of 5.
4.8/5
based on 149 client reviews
  • $40 hourly

    • 5.0/5
    • (52 jobs)
    Expert in Routing, Switching, and Firewalls, earned CCNA, CCNP, and CCIE Cisco Certs, proven expertise in Pfsense, Cisco devices & other firewalls. I have gained expert-level skills in diagnosis and troubleshooting for cloud-based and on-premise security and network equipment from Cisco, pfsense, Palo Alto, Sonic Wall, Ubiquity, Mikrotik, and many more. Expert level configuration skills in cloud deployments and SDNs such as Hetzner, GCP (Google Cloud Platform), Microsoft Azure, Digital Oceans, and AWS (Amazon web services), provided network and application security services using third-party cloud-provided firewalls/pfsense, etc I have managed and secured VM networks for multiple clients/Organisations and secured cloud-based and on-premise POS/ERP software, I also had the privilege of providing design and security expertise to a few local companies managing clouds and small data centers. I am well-versed with VPN technologies such as IPsec, dmvpn (cisco), flex, tail scale, gre, wireguard, and Openvpn for devices/firewalls such as Cisco, pFsense, Mikrotik, Openwrt, Linux, Sonic wall, and others. I have proven expertise in managing hypervisors such as Proxmox VE, HyperV, and KVM, also managed and configured cloud-managed backups with the proxmox backup server and Vaeem. I have proven expertise in Docker Containerisation (Application deployment) with docker swarm and docker-compose, Kubernetes, and Terraform. I have provided support/ consultancy to many call centers, software houses, and workspaces, including multiple small and medium organizations globally. I have proven expertise with s2s, remote, on-premise2cloud VPN connectivity, proven expertise with Zabbix configuration/monitoring/alert management, and provided state-of-the-art security with IDS and IPS such as Snort and Suricata on Linux, pfsense, and opensense. I have proven expertise with traffic filtering, torrent blocking, Quality of Service for VOIP, and user-specific bandwidth allocation through using Pfsense/opensense/linux/cisco limiters and shapers.
    Featured Skill Firewall
    UniFi
    Docker
    Zabbix
    Ubiquiti
    Cisco
    MikroTik
    PfSense
    Proxmox VE
    Amazon EC2
    Network Security
    VPN
    OpenVPN
    Linux
    Amazon Web Services
  • $60 hourly

    • 4.9/5
    • (21 jobs)
    Hello! I'm an experienced professional with expertise in Linux System Administration, DevOps, Cloud, and network Engineering. I have a rich background in Linux, cloud solutions, and network architecture. My expertise spans system automation, cloud technologies, and network architecture, where I combine technical skills with a proactive approach to solve complex challenges and drive business success. Beyond my technical skills, I’m dedicated to solving problems with precision and delivering high-quality results. Whether you're aiming to optimize system operations, secure your network, or scale your cloud infrastructure, I’m here to provide tailored, top-tier solutions that meet your goals. 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 𝗦𝗲𝗿𝘃𝗲𝗿 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Expert in managing various Linux distributions including Rocky, Alma, Fedora, Cloulinux, Ubuntu, RHEL and Debian. Proficient in setting up, configuring, and maintaining servers to ensure optimal performance and security. 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗰𝗿𝗶𝗽𝘁𝗶𝗻𝗴: Skilled in creating powerful automation scripts using Bash, Python, and Ansible, streamlining routine tasks and enhancing system efficiency. 𝗪𝗲𝗯 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗦𝗲𝗿𝘃𝗲𝗿𝘀: Proficient in configuring and managing web servers like Apache, Nginx, and load balancers such as HAProxy. Experienced in setting up and optimizing databases, including MySQL, PostgreSQL, and SQL Server. 𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: Expertise in deploying and managing virtual machines and cloud services, particularly with AWS (EC2, S3, RDS), DigitalOcean, and other major providers. Experienced with different hypervisors KVM, XEN, OPENVZ, VMWARE ESXI. 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Proficient in setting up and maintaining monitoring systems like Nagios, Zabbix, Scienlogic EM7, PRTG, Solarwinds and Observium.. Skilled in implementing security measures and performing regular system audits to ensure compliance and data protection. 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗢𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻: Advanced skills in Docker and Kubernetes, creating scalable and resilient environments that meet the dynamic needs of modern applications. 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗮𝘀 𝗖𝗼𝗱𝗲 (𝗜𝗮𝗖): Proficient in using Terraform and Ansible for Infrastructure as Code, automating the provisioning and management of complex infrastructure setups. 𝗖𝗹𝗼𝘂𝗱 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: Skilled in architecting and deploying cloud environments with AWS, Azure, and GCP. Experience in configuring services like VPC, IAM, and S3 to ensure secure and scalable cloud operations. 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Ability to design and implement secure network topologies, integrating them seamlessly with cloud environments. Proficient in VPN setups, firewall configurations, and implementing zero-trust security models. 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: Extensive experience with major networking vendors including Cisco, Juniper, Huawei, Arista and Mikrotik. Proficient in configuring routing protocols (OSPF, BGP etc), switching protocols (VLANs, HSRP etc), and VPN technologies (IPSec, OpenVPN). 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Expertise in deploying and managing security solutions using Palo Alto, Fortinet, and Cisco ASA. Skilled in configuring firewalls, intrusion detection systems, and implementing best practices for network defense. 𝗖𝗹𝗼𝘂𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴: Experienced in designing and managing cloud-based networking solutions, including VPCs, hybrid cloud setups, and SD-WAN implementations. 𝗖𝗼𝗻𝘁𝗶𝗻𝘂𝗼𝘂𝘀 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 & 𝗔𝗱𝗮𝗽𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆: I’m a quick and passionate learner, able to master new technologies swiftly to meet the demands of any project. Whether it's picking up a new scripting language or diving into the latest cloud tools, I’m always ready to expand my skill set and deliver innovative solutions.
    Featured Skill Firewall
    Server Administration
    AWS Server Migration
    NGINX
    Linux
    Cloud Migration
    Docker
    Cloud Architecture
    System Administration
    Ansible
    Bash
    Python Script
    Information Security
    Network Engineering
    DevOps
  • $30 hourly

    • 5.0/5
    • (10 jobs)
    A result-driven IT Professional with more than 15 years of experience in the field of Cloud Computing Infrastructure (IAAS/PAAS on AWS, Azure), System / Network Administration, Virtualization (Vmware/Citrix platform), Microsoft 365 Enterprise, Backup & Retention policies, ITIL standards, Spanning IT Infrastructure, I.P Telephony/Video Conferencing, System Operations, Service Management and Disaster Recovery. Highly experienced in Data Center Operations, ICT LAN / WAN operations, including Network Designing, Implementation, Management, Technical Documentation, Performance Monitoring, Network Security, Routing, Switching, NGFW /OT firewalls, HPMSA SAN & NetApp Appliances. Expertly oversee large-scale IT projects, networks, and infrastructures—from initial planning and development to implementation and enhancements. Extensive knowledge in implementing Endpoints Protection, Ransom Attack Protection techniques, Virtual Patching, and Zero-Day vulnerability Able to perform relevant preventive measures to protect against confidential/sensitive data leakage.
    Featured Skill Firewall
    Fortinet
    Office 365
    Technical Support
    Amazon Web Services
    Microsoft Azure
    Windows Server
    VMware Administration
    Windows Administration
    Cisco Router
    Desktop Support
    System Administration
    Virtual Desktop Infrastructure
    Network Administration
    VPN
  • $50 hourly

    • 4.9/5
    • (30 jobs)
    Hello, I'm Shahzain Ali, a Mobile App Developer with 8 years of experience in Android, iOS, desktop, and VPN apps. I specialize in Kotlin, Swift, Java, and Python. From advanced mobile apps to innovative iOS solutions and robust desktop applications, my work also extends to wearables and IoT. Android: App development with advanced skills in Java, and Kotlin. iOS: iOS app development with advanced skills in Swift, SwiftUI Desktop Applications development, I develop using Tkinter and QT framework, I have awesome experience in Python and C++ with QT. Watch Application: Proficient in crafting apps for wearable devices (wearOS, watchOS, Tizen) VPN Technology Leader: Have an awesome experience in OpenVPN and Wireguard with integration to Android, iOS, and Desktop applications using Python and QT framework. IoT: Developing smart, connected solutions with proficiency in BLE, Arduino, ESP32,nodemcu, and sensors. Technology Toolkit: Development Tools and languages: Swift, Java, Kotlin, SwiftUI, cmake, Xcode, Android studio, QT, Tkinter, Python Database: Realm, Room, Sqlite Serverless architecture: Firebase including storage, Authentication, and Realtime database. Why Work With Me? Proven Success: Over 70 Android and iOS developed for clients globally, including in the USA, Germany, UK, and UAE Skills & Achievements: Comprehensive Authentication & Payment Integrations: Specializing in Firebase, Google, and Facebook authentication, and payment solutions like Stripe and paytabs. Advanced Programming Knowledge: Expert in MVC, MVVM, Google Maps API, geolocation, and biometric authentication. Community Contributor: An active voice in the developer community with a 200K reach on StackOverflow. Here are some awesome reviews of my clients I have developed an Android and iOS applications using Java, Kotlin, Swift.Mobile applications includes complex services of VPN and have Openvpn and Wireguard Protocol. "Perfect developer, adhere to schedule, highly motivated specialist for any complex task, will hire again for sure" I have fixed issue in cmake of an iOS application "Good experience working with Ali. He has a very good attitude and does his best to help"
    Featured Skill Firewall
    Linux
    Testing
    Qt Framework
    Wear OS
    OpenVPN
    VPN
    Java
    Android App Development
    Kotlin
    Mobile App Development
    iOS
    Python
    Swift
  • $15 hourly

    • 5.0/5
    • (14 jobs)
    IT/Network Engineer with over 10+ years of experience in LAN, WAN, Systems i.e Routers,Switches,Firewalls,Windows and Linux. I have worked various international and Local companies including Institutes,Banking,educational and Govt Sectors.... I am Certified Cisco Instructor(CCI) along with other certifications as: CCNP,MCITP,JNCIS,CEH I have strong skills in following areas, - 24/7 IT Support Level L3 -CISCO/ALLIED TELEsys/Huawei Networks -Windows Server 2008 - 2016 Configuration - Network Infrastructure Design, Deployment, Optimization - Network Administration - System Administration in operating systems such as Windows,CentOS - Firewall configuration and Administration - Virtual Server infrastructure (Esxi Servers) - Network and Server Monitoring
    Featured Skill Firewall
    Kali Linux
    Ethical Hacking
    IT Management
    Linux System Administration
    Cisco IOS
    VMware ESX Server
    Windows Administration
    Cisco Router
    Network Security
  • $30 hourly

    • 5.0/5
    • (19 jobs)
    Kubernetes certified engineer with 3+ years of technical experience in building, automating, and optimizing the infrastructure, deployments and processes supporting distributed development teams and containerized applications in both on-prem and public and cloud environments.
    Featured Skill Firewall
    Apache HTTP Server
    WordPress
    ChatGPT API Integration
    API Development
    GitLab
    DigitalOcean
    System Administration
    Linux System Administration
    Virtual Private Server
    Node.js
    Amazon Web Services
    Docker
    Git
    Ansible
    Kubernetes
  • $25 hourly

    • 5.0/5
    • (7 jobs)
    ✅ Top Rated | 5+ Years of Experience ✅ 😊 20+ successful projects in System administration I am a highly skilled System Administrator & IT Support Specialist with expertise in network management, cloud solutions, and troubleshooting. My expertise in Windows & Linux servers, Active Directory, Office 365, and Microsoft Azure ensures seamless system performance, while my proactive approach to network administration, security, and automation reduces downtime and enhances productivity 🎯 what I bring to table ✔ System Administration ✔ Network Administration ✔ Cloud Solutions ✔ IT Security & Compliance ✔ Technical Support ✔ Automation & Scripting ✔ Backup & Disaster Recovery 🛠️ Tools & Expertise 🖥️ System Administration ✔ Windows Server ✔ Linux Server Administration (Ubuntu, CentOS, Red Hat) ✔ Microsoft Active Directory (AD) & Group Policy Management ✔ Remote Desktop Services (RDP, RDG, Terminal Services) ✔ Server Virtualization (VMware, Hyper-V, Proxmox) ✔ Backup & Disaster Recovery (Veeam, Acronis, Windows Backup) 🌐 Network Administration & Security ✔ Network Configuration & Troubleshooting (TCP/IP, DNS, DHCP) ✔ Firewall & Security (Cisco ASA, Fortinet, pfSense) ✔ VPN Setup & Management (IPSec, OpenVPN, WireGuard) ✔ Load Balancing & High Availability (Nginx, HAProxy) ✔ Network Monitoring & Performance (Nagios, PRTG, SolarWinds) ☁️ Cloud & Remote Access Solutions ✔ Microsoft Azure (VMs, Networking, Azure AD) ✔ Remote Desktop Gateway (RDG) Configuration & Security ✔ Identity & Access Management (IAM, MFA, SSO) ✔ Secure Remote Access Solutions (RDP Hardening, Bastion Hosts) 📞 IT Support & Troubleshooting ✔ Remote Troubleshooting & Support (TeamViewer, AnyDesk, RDP) ✔ Server Log Analysis & Incident Response ✔ IT Asset Management & Documentation ⚡ Why Work With Me? ✅ Proactive & reliable IT professional with a problem-solving mindset ✅ Fast response times and dedicated support to keep your systems running smoothly ✅ Strong background in VoIP, ISO 27001, Microsoft technologies, and cloud administration
    Featured Skill Firewall
    IT Infrastructure
    Tech & IT
    Microsoft Active Directory
    Microsoft Windows
    Network Administration
    Microsoft Azure
    Managed Services
    Office 365
    IT Support
    Server Administration
    System Security
    System Administration
  • $25 hourly

    • 4.9/5
    • (19 jobs)
    🏆 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 | 🚀 𝟓+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐡𝐚𝐧𝐝𝐬-𝐨𝐧 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 | 🏅𝟑𝐱𝐀𝐖𝐒 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 | 🏅𝐓𝐞𝐫𝐫𝐚𝐟𝐨𝐫𝐦 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 | 𝟒𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝐀𝐖𝐒 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐁𝐮𝐢𝐥𝐝𝐞𝐫 𝐌𝐞𝐦𝐛𝐞𝐫 ⏰ 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐔𝐒 𝐓𝐢𝐦𝐞 𝐙𝐨𝐧𝐞. 💫 I specialize in automation, Continuous Integration/Continuous Deployment (CI/CD), and Infrastructure as Code (IaC), leveraging my expertise to create efficient, scalable, and resilient cloud 🌩 native solutions 💫 🎨 𝗠𝘆 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀: ✅ Automated infrastructure provisioning (CloudFormation) ✅ Declarative infrastructure management (Terraform) ✅ High-level infrastructure coding (CDK) ✅ Configuration management and automation (Ansible) ✅ Repository hosting and collaboration (CodeCommit, GitHub) ✅ Automation server for CI/CD (CI/CD, Jenkins) ✅ Monitoring and alerting (CloudWatch, Prometheus) ✅ Data visualization and monitoring (Grafana) ✅ Containerization platform (Docker) ✅ Container orchestration (Kubernetes) ✅ Automation and task scripting (Scripting) ✅ Website deployment on AWS 🛠 𝐃𝐞𝐯𝐎𝐩𝐬 𝐓𝐨𝐨𝐥𝐬: 🎯 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 𝐚𝐬 𝐚 𝐂𝐨𝐝𝐞 (AWS CloudFormation, Terraform, CDK, Ansible, Pulumi) 🎯 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 𝐒𝐲𝐬𝐭𝐞𝐦 (CodeCommit, GitHub, GitLab, BitBucket) 🎯 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 (CI/CD, Jenkins, ArgoCD) 🎯 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠 (Prometheus, Grafana, Nagios, ELK Stack) 🎯 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫𝐢𝐳𝐚𝐭𝐢𝐨𝐧 (Docker) 🎯 𝐎𝐫𝐜𝐡𝐞𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 (Kubernetes) 🎯 𝐒𝐜𝐫𝐢𝐩𝐭𝐢𝐧𝐠 (Bash Scripting) 🎓 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: 🏅 𝐀𝐖𝐒 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: ○ AWS Solutions Architect Associate ○ AWS Certified Developer Associate ○ AWS Certified Cloud Practitioner 🏅 𝐓𝐞𝐫𝐫𝐚𝐟𝐨𝐫𝐦 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: ○ HashiCorp Certified: Terraform Associate 🏅 𝐆𝐢𝐭𝐇𝐮𝐛 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: ○ GitHub Foundations 🏅 𝐎𝐭𝐡𝐞𝐫 𝐀𝐜𝐜𝐫𝐞𝐝𝐢𝐭𝐚𝐭𝐢𝐨𝐧𝐬: ○ AWS Partner: Cloud Economics Accreditation ○ AWS Partner: Accreditation (Business) ○ AWS Partner: Accreditation (Technical) 🏅 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: ○ IELTS - English Proficiency Exam ○ PTE Academic 🌟 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? 🔝 𝐔𝐩𝐰𝐨𝐫𝐤 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝: Ranked among the top 10% of talent on Upwork 🏆 𝐀𝐖𝐒 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝: 3x AWS Certifications ensuring cloud-native excellence 🔄 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧-𝐅𝐢𝐫𝐬𝐭 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: Streamlining processes for maximum efficiency 🔧 𝐏𝐫𝐨𝐯𝐞𝐧 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Top-rated DevOps Engineer with a track record of delivering results 🤝𝐀𝐝𝐚𝐩𝐭𝐚𝐛𝐥𝐞 & 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐯𝐞: Collaborative and focused on building long-term relationships
    Featured Skill Firewall
    System Administration
    Amazon RDS
    Software-Defined Networking
    AWS CodeBuild
    AWS CodePipeline
    Cloud Computing
    Terraform
    Huawei USG
    Cisco Certified Network Associate
    Network Administration
    Microsoft Azure
    AWS CodeDeploy
    Amazon Elastic Beanstalk
    Docker
    Amazon DynamoDB
    Amazon ECS for Kubernetes
    AWS CloudFormation
    AWS CloudTrail
    Cisco Certified Network Professional
    AWS CloudFront
    Jenkins
    Amazon ECS
    Kubernetes
  • $18 hourly

    • 5.0/5
    • (28 jobs)
    A qualified IT Professional with an excellent track record of System Administrator driving key IT projects, possessing in depth expertise in System administration, CRM Support , Microsoft Dynamics 365 , Ticketing system like Freshdesk & Service now, Zoho desk , SAP by design Item master, I.T Service Management, IT Training & development ,Data Analysis,Cyber Security, Cloud Management, project management, enterprise solutions and customer services, seeking an appropriate IT related position in Freelancing world.
    Featured Skill Firewall
    Remote Connection Support
    IT Support
    Training & Development
    CompTIA
    Network Administration
    Cloud Migration
    User Identity Management
    Microsoft Active Directory
    Information Technology Operations
    Microsoft Azure
    Cisco Certified Network Professional
    Office 365
    Technical Support
    System Administration
  • $25 hourly

    • 5.0/5
    • (6 jobs)
    Hi there! I’m a Senior DevOps Engineer with a strong background in AWS, cloud automation, and cost optimization. With extensive experience in building and managing CI/CD pipelines, optimizing cloud infrastructure, and implementing robust monitoring solutions using Datadog, I’m here to help you streamline your operations and achieve your technical goals. I excel in: - Automating Deployments: Creating efficient CI/CD pipelines for seamless software releases. - Optimizing Cloud Resources: Leveraging AWS to design scalable and cost-effective solutions. - Monitoring and Troubleshooting: Utilizing Datadog to ensure system reliability and address issues proactively. Let’s collaborate to enhance your cloud infrastructure, improve your deployment processes, and drive efficiency. I’m passionate about solving complex challenges and delivering results that make a difference. Feel free to reach out if you’re looking for a dedicated professional to take your projects to the next level!
    Featured Skill Firewall
    Cisco
    Technical Project Management
    Group Policy
    Tech & IT
    Wireless Network Implementation
    Windows Server
    Microsoft Exchange Server
    Computing & Networking
    Terraform
    Microsoft Active Directory
    Office 365
    Network Engineering
    Scripting Language
    Bash
    AWS CloudFormation
    Amazon Virtual Private Cloud
    Amazon EC2
    Azure DevOps
    Docker
    Jenkins
    CI/CD
    DevOps
  • $20 hourly

    • 5.0/5
    • (51 jobs)
    I have 20 years of diversified work experience with various industrial organizations. My work experience includes SAP (ERP), System Administration, Server Room, and Network Infrastructure Design & Management, using various hardware like DELL, HP, IBM, Cisco, SAN Switches, Ruckus, Aruba, Ubiquiti, TP-Link, D-Link, and Hike vision and Operating systems like Windows, Linux, and APPLE. I have an active and extensive work experience with VMWare, Veeam, and Sophos along with the E-Mail solutions like MDaemon, G-Suite, Microsoft Office 365, and Exchange. I strongly believe in hard work and target-oriented achievements.
    Featured Skill Firewall
    VMware ESX Server
    Web Hosting
    VMware Administration
    Network Administration
    Network Engineering
    SAP
    Computing & Networking
    Linux System Administration
    VMWare
    Server Virtualization
    System Administration
    DNS
    Microsoft Active Directory
  • $35 hourly

    • 0.0/5
    • (6 jobs)
    I'm an experienced Cisco Network, VOIP, and Linux System Administrator, as well as a Python scripting professional, passionate about delivering exceptional solutions. 💼 With 3 years of industry experience, I have a proven track record of managing and developing intricate Network and VOIP systems (Asterisk, ViciDial, and FreePBX), as well as experience with Kamailio as a SIP signaling server, alongside automating tasks through Python scripts. 🛡️ I possess extensive expertise in developing Firewalls (IPTables, NfTables, and PfSense), configuring VPNs (OpenVPN), and deploying open-source applications on Linux platforms. I excel at problem-solving and providing prompt resolutions to clients, always staying abreast of industry advancements and committed to offering top-notch support. 🌟 With a blend of technical proficiency and exceptional customer service, I will be a valuable asset to any organization seeking high-quality VOIP and NOC support with a focus on automation. 💡 I am dedicated to empowering companies and individuals to understand and utilize technology in the most efficient ways, aiming to minimize effort, automate processes, and reduce costs. As a self-taught technology enthusiast, I am passionate about solving problems and adding value to my work. 🔧 If you have a project involving significant technological challenges, I am the right person for the job. I propose we discuss your business challenge, define the solution's scope, and work together to achieve success!
    Featured Skill Firewall
    PfSense
    OpenVPN
    VoIP Administration
    Ethical Hacking
    CRM Software
    Wireshark
    Python Script
    Nagios Core
    VICIDIAL
    Kamailio
    VoIP PBX
    Asterisk
    Network Security
    Linux System Administration
  • $30 hourly

    • 5.0/5
    • (13 jobs)
    With 12+ years of hands-on experience, I specialize in Linux system administration and enterprise virtualization. I have extensive expertise in Linux, Unix servers, Hyper-V, Proxmox, VMware infrastructure (vCenter, ESXi, NSX, vSAN), and enterprise middleware solutions like Oracle WebLogic and IBM WebSphere. I offer secure, optimized, and high-performance server environments by focusing on installation, configuration, troubleshooting, and system hardening across multiple platforms. Key Expertise 1. Linux & Unix Server Administration ✅ Linux Server Administration (Ubuntu, Red Hat, Oracle Linux, Debian, Unix) ✅ User & Group Management, Permissions & ACLs ✅ Package Management (Yum, APT, Zypper, DNF) ✅ System Performance Monitoring & Optimization ✅ Disk Management & LVM (Logical Volume Manager) ✅ Kernel Tuning & Customization ✅ Linux Server Upgrades & Patch Management 2. Security Hardening & Monitoring ✅ Firewall Configuration (Firewalld, IPTables, UFW) ✅ Secure Shell (SSH) Hardening & Two-Factor Authentication (2FA) ✅ SSL/TLS Implementation & Certificate Management ✅ Security Audits & Vulnerability Assessments ✅ Intrusion Detection & Prevention Systems (IDS/IPS) ✅ SELinux & AppArmor Configuration for Enhanced Security 3. Scripting & Automation ✅ Bash Scripting for Task Automation ✅ Cron Jobs & Scheduled Task Automation ✅ System Log Management & Monitoring (Logrotate, Syslog, Journalctl) ✅ Custom Scripts for Backups, Maintenance, and Alerts ✅ Configuration Management Tools (Ansible, Puppet, Chef) 4. Enterprise Virtualization & Cloud Solutions ✅ VMware vSphere (ESXi, vCenter) Installation & Administration ✅ VMware vSAN & NSX Configuration ✅ Hyper-V Virtualization & Cluster Management ✅ Proxmox Virtual Environment (PVE) Installation & Optimization ✅ Virtual Machine (VM) Cloning, Snapshots & Backups ✅ Virtual Networking & VLAN Configuration ✅ High Availability & Failover Cluster Solutions 5. Web Server & Application Hosting ✅ Apache & Nginx Web Server Installation & Management ✅ SSL/TLS Certificate Deployment & Security Hardening ✅ Load Balancing & Reverse Proxy Configuration ✅ PHP, MySQL/MariaDB, and Application Hosting ✅ Web Server Performance Optimization & Caching ✅ Troubleshooting & Log Analysis for Web Services 6. Enterprise Middleware Solutions Oracle WebLogic & HTTP Server ✅ Installation, Configuration & Optimization ✅ WebLogic Server Clustering & High Availability ✅ JDBC, JMS, and JNDI Resource Configuration ✅ Performance Tuning & Memory Management ✅ Security Hardening & SSL Implementation IBM WebSphere & HTTP Server ✅ WebSphere Installation & Administration ✅ Deployment & Configuration of Enterprise Applications ✅ Load Balancing & Clustering for High Availability ✅ Performance Optimization & Thread Pool Tuning ✅ WebSphere Security, SSL/TLS Configuration ✅ Troubleshooting & Log Analysis Services I Offer ✔ Linux Server Setup & Management: Installation, configuration, troubleshooting, and performance tuning for enterprise systems. ✔ Security Hardening & Monitoring: Server security audits, firewall configurations, SSL setup, and intrusion detection. ✔ Scripting & Automation: Custom Bash scripts to optimize system tasks, backups, and process automation. ✔ Virtualization & Cloud Solutions: Proxmox, Hyper-V, VMware vSphere setup, SAN cluster configurations, and virtual network management. ✔ Web Server Administration: Apache/Nginx installation, optimization, and SSL/TLS security configurations. ✔ Enterprise Middleware Deployment: Expert setup, tuning, and maintenance of Oracle WebLogic & IBM WebSphere servers. 🔹 Why Choose Me? ✔ 12+ years of hands-on experience in enterprise Linux and virtualization environments ✔ Expert in troubleshooting and optimizing complex IT infrastructures ✔ Strong security focus – ensuring your systems remain stable and secure ✔ Efficient automation with Bash scripting and configuration management tools ✔ Proven track record of successful deployments and system optimizations Let’s discuss how I can help you achieve a stable, scalable, and secure IT environment.
    Featured Skill Firewall
    Veeam
    VMware NSX
    Ubuntu
    Oracle WebLogic Server
    NGINX
    Apache HTTP Server
    VMware Administration
    VMware ESX Server
    VMware vSphere
    SSL Certificate
    Iptables
    System Hardening
    Scripting
    Linux System Administration
  • $25 hourly

    • 5.0/5
    • (19 jobs)
    I am a skilled and experienced Cyber Security Expert (CISSP Qualified) with 10 years of experience in designing and implementing both defensive and offensive cyber security solutions for my clients. I am dedicated to providing high-quality services to my clients and helping them to achieve their business goals. Please feel free to contact me if you have any questions or if you would like to discuss your project further.
    Featured Skill Firewall
    Web App Penetration Testing
    Network Penetration Testing
    Cloud Security
    Security Infrastructure
    Security Analysis
    PCI DSS
    Vulnerability Assessment
    Cyber Threat Intelligence
    Red Team Assessment
    Penetration Testing
    Cybersecurity Tool
    Google Sheets
    Python
  • $12 hourly

    • 4.9/5
    • (65 jobs)
    I have a wealth of experience in DevOps, Linux, Windows and IoT. I have been providing technical support for Odoo ERP as well. I have several years of experience in the configuration and deployment of Web Server like NGINX. I also have several years of technical support experience including online, over the phone, through emails, and in person, I have been dealing with non-technical users very efficiently assuming that they have no prior knowledge of computer and software-related issues, I have been using team viewer software for remote technical support and troubleshooting since several years. I am pleased to offer my services to anyone.
    Featured Skill Firewall
    System Configuration
    API Integration
    PfSense
    Automation
    Internet of Things Solutions Design
    Python Script
    GPS
    Computer Network
    Network Administration
    Cisco Meraki
    Virtualization
    Linux
    MikroTik
  • $10 hourly

    • 0.0/5
    • (4 jobs)
    7+years of Experience Design expertise for the SD-WAN/SASE (Velocloud), SD-LAN, and WAN optimization technologies for efficient delivery of the application data across LAN and WAN * Lead the technical discussion with the customer to discuss the current/ expected network design to ensure, high availability, scalability, performance to the customer's network * In-depth knowledge of routing protocols and network security design and implementations for BGP, OSPF, MPLS, IDS/IPS, NAT/PAT, DNAT, SNAT, IPSec tunnels, VPN, Zscaler, FHRP, underlay, and overlay routing, etc., * Configuration & Troubleshooting SDWAN Technology e.g. Cisco Meraki | VeloCloud Vmware Devices. * Configuration and troubleshooting LAN, WAN SD-WAN Devices Networks * Configuration of Cisco Routers, Cisco Meraki, and Cisco Switches Still Working remotely for the last 3 years with a USA Company on SDWAN VeloCloud Devices Project for Customers from Traditional Networks to SDWAN Networks with Full Design, Implementation, install, and Configured
    Featured Skill Firewall
    Fortinet
    Palo Alto Firewalls
    Border Gateway Protocol
    Cisco Meraki
    Network Architecture
    Network Security
    Cisco Certified Network Associate
    Cisco Certified Network Professional
    Cisco Router
    Computing & Networking
    Computer Network
    Network Engineering
    VPN
    VMWare
  • $50 hourly

    • 5.0/5
    • (38 jobs)
    👑 Expert Vetted - Top 1% of talent on Upwork ⭐️ Top Rated Plus - Highly rated for work on large projects 🎯 100% Job Success Score 🕒 1500+ hours on Upwork ✅ 13+ years of experience ✅ 35+ projects delivered ✅ Excelling in delivering Fortune 500-scale projects Over 13 years of extensive experience in Cloud Environment, Corporate Network, FinTechs and ISPs. In Summary, my credentials include, Cloud Expertise Amazon Web Services (EC2, S3, VPC, IAM, Security-Groups, DirectConnect, Transit Gateway, WAF etc) Oracle Cloud Infrastructure (VCN, Subnets, Route Tables, Compute, IAM etc) Google Cloud Platform (IAM, Compute Engine, Firewall, Partner Interconnect, VPN, VPC etc) Security: Cisco FMC, FTDs & ASA, Palo Alto Network Firewalls and Panorama, Fortinet, FortiManager, Fortigate Firewalls, F5 BigIP LTM WAF, IPSec & Remote Access VPNs, NGIPS, Threat Prevention, URL Filtering, Cisco ISE, Cisco DUO, TACACS & Radius Authentication, SIEM, Cortex XDR, Wazuh, Rapid7, Security Onion Routing: OSPF, BGP, MPLS, Policy Base Routing using Route Maps, TCP/IP, Layer 3 Redundancy (HSRP), IP Spoofing, Virtualization (VRF), IP SLA, NAT/PAT, GRE Tunnels. Switching: Nexus VPC, Cisco Stack, Catalyst VSS, VXLAN, Spanning Tree Protocol, EtherChannels (LACP, PAGP), Access-Maps. DevOps: Terraform, Ansible, Python, Git, BitBucket, Docker, Jenkins, Linux, Netbox, Wireshark PCNSE, PCNSA CCNA 200-120 CCNA Security 640-554 CCNP R & S
    Featured Skill Firewall
    FortiGate Firewall
    Fortinet
    Cisco Certified Network Professional
    Cisco ISE
    VPN
    Network Engineering
    Oracle Cloud
    Amazon Web Services
    Google Cloud Platform
    Cisco Firepower Threat Defense
    Palo Alto Firewalls
    Ansible
    Network Design
    Network Security
  • $50 hourly

    • 4.7/5
    • (17 jobs)
    By profession I am an Information Security Consultant and my core skills include designing and implementing network security solutions. I can help in various network security and monitoring solutions like Sophos, Cyberoam, RSA SecurID, Kaspersky and Barracuda. My certifications include but are not limited to Sophos Certified Engineer, Sophos Certified Architect and a Sophos Certified Trainer. I have more than 5 years of hands-on experience working with Sophos solutions particularly with XG firewall and Sophos Central. I have done numerous fresh and ad-hoc projects on various networks and I am well aware of industry best practices related to network security.
    Featured Skill Firewall
    Web Application Firewall
    Sophos Sophos UTM
    Network Security
  • $40 hourly

    • 4.9/5
    • (70 jobs)
    I am an IT specialist having an experience of more than 10 years. I have worked with many organizations in the field of Networks and management. I have a strong grip on Networks such that (Cisco routers, switches & firewalls). I will work effortlessly on your creative needs related to Microsoft Office ( Excel, Word, PowerPoint) and MS Visio. I am also a designer and have expertise in Adobe Illustrator. I would love to show you my work for your reference.
    Featured Skill Firewall
    Blog Writing
    Report Writing
    Internet of Things
    VPN
    Wireless Communication
    Research Papers
    Microsoft Visio
    Network Planning
    Technical Report
    Network Engineering
    FortiGate Firewall
    Network Design
    Technical Writing
    Microsoft PowerPoint
  • $60 hourly

    • 5.0/5
    • (5 jobs)
    I am a Networking Specialist cum Systems Administrator and I have the expertise as a Network Engineer with over 6 years of routers, switches, wireless, proxies, windows servers, virtualization, DNS, DHCP, domain controllers, IAM and firewall experience. I can troubleshoot any network issues on WAN/LAN/WLAN. I have expertise in designing multiple enterprise network solutions. I have experience with the following: -Cisco firewalls, routers, switches, wifi -Huawei firewalls, routers, switches, wifi -Aruba WLC -Windows based domain controllers -DNS -DHCP -VMware Vcenter -Vshpere -Palo Alto firewalls -Fortinet -SonicWall firewalls -TP-Link Routers, switches, wifi(Omada) -Meraki firewalls, switches, wifi -Ubiquiti/UniFi firewalls, switches, wifi -MikroTik Router -AWS -Azure .My goal is to always be on time, consistent and pleasant to work with. I will be clear and concise from the beginning, letting you know what each job entails and how much time it will take. All this will be done honestly, without fanfare and with integrity. I would even say that I will be chivalrous with my obligations towards you. This is good for you, because you’ll get done what you need to get done. It’s a win-win situation! I look forward to be working with you.
    Featured Skill Firewall
    Technical Writing
    IT Support
    Documentation
    Wireless Network Implementation
    WiFi
    Cisco Certified Network Associate
    Cisco Router
    PfSense
    Web Proxy
    VMware vSphere
    VPN
    Ubiquiti
    Network Design
    Network Administration
  • $40 hourly

    • 4.8/5
    • (16 jobs)
    I have expertise in routers, switches and firewall equipment. Most of the brands are Cisco, Juniper, Adtran, TP-Link, D-Link, Netgear, Microtik... ·OpenVPN settings (Windows integration, no repetitive fees or any fees) ·Windows VPN (PPTP, L2TP, IPSEC) is supported on desktop, tablet, and mobile devices ·Network switch configuration and troubleshooting or existing network connection ·Router configuration ·Firewall settings and policy configuration · cyber security · Solve any network problems. I am very skilled in data entry and Excel works. I am also very qualified in data extracting and telecommunicating. If you hire me, you will get many services at one time investment.
    Featured Skill Firewall
    Troubleshooting
    VoIP Administration
    System Configuration
    Mikrotik RouterBOARD
    Cisco IOS
    Computer Network
    Server
    Technical Support
    Windows Administration
    Network Monitoring
    Network Administration
    Network Equipment
    Virtualization
    Linux
  • $35 hourly

    • 5.0/5
    • (9 jobs)
    ✅ 16+ years of experience. ✅ Pay only if your problem is resolved. ✅ Resolution through test environment minimizing downtime for live services. ✅ Clear communication. A dynamic ICT professional with diversified technical and managerial experience.Worked at different levels of IT Service Provisioning, Infrastructure and Deployment, starting from basic network support to complex system adminiatration and NOC operations leading to ICT Project Management and Strategic Planning. Strong leadership skills with technical and financial procedural knowledge. Work highlights include; * Network operation and management, System administration, Technical proposals, feasibility, planning and designing. * Hands on expertise in configuring Firewalls, routers, switches, VPN and wireless networks. * Google Workspace, Microsoft 365, Email systems (Exchange, Zimbra etc). * Linux, Windows, BSD Server design, configuration amd operations. * Other various platforms namely Cisco technologies, Enterprise Unix/Linux/BSD, Sangfor, Sophos firewalls, McAfee Email and Web security, Symantec Messaging Gateway. * Various projects in the areas of NOC / Data Centre Operations, Optical Fibre, Network Analysis, campus wide WiFi etc. * Management of overall ISP services (Internet bandwidth management solutions, Email hosting, Web hosting, Network access and billing solutions etc.).
    Featured Skill Firewall
    WiFi
    Google Cloud Platform Administration
    System Administration
    IT Service Management
    Ubiquiti
    Technical Support
    VMware ESX Server
    Network Design
    Linux System Administration
    Fiber Optics
    PfSense
    Email Security
    Wireless Network Implementation
    Zimbra Collaboration Suite
  • $50 hourly

    • 5.0/5
    • (5 jobs)
    To pursue a responsible position in a progressive organization that put forward challenges and recognition, with an opportunity to grow and to employ my abilities with overall operations of the organization to generate excellent performance. Specialties: Networking, Telecommunication System Administration, DevOps, Cloud Engineering
    Featured Skill Firewall
    Linux System Administration
    MySQL
    Network Engineering
    DevOps
    Linux
  • $60 hourly

    • 5.0/5
    • (3 jobs)
    Hi, I dream about a safer world. A world where cyber-attacks are no longer a threat. I am a cyber-security expert, security consultant, trainer, and mentor. I am helping startups, micro, small, and mid-sized companies create secure operating environments to increase business opportunities. My priority is to develop cost-effective, business-focused, and risk-driven cyber security solutions to help my clients secure their critical information assets against cyber threats. I have experienced more than 6 years in the domain of Cyber Security. I have cultivated a diverse set of skills in documentation, planning, designing, implementation, configuration, administration, optimization, and troubleshooting of various multivendor My Expertise are: #Penetration Testing #Network Security #Email Security #Web and Mobile Security #Social Media Accounts Recovery #Firewalls #Networks #Linux #Cyber Trainings #Cryptographic #Documentation #Planning #Wap I will not accept payment if I can't finish a job to a client's satisfaction. My passion is for fighting malware and cyber criminals, not for taking money for quick and temporary solutions to a problem. Thank you for your time and consideration.
    Featured Skill Firewall
    Personal Computer
    Cybersecurity Management
    Vulnerability Assessment
    Internet Security
    Information Security
    Bug Bounty
    Intrusion Prevention System
    Penetration Testing
    Backup & Migration
    Internet Protocol Security
    Bug Fix
    Data Backup
  • $50 hourly

    • 5.0/5
    • (1 job)
    I am professionally trainer, having more then 5 years if experience in technical support and provide very usefull technics to get pass and earned your desireable certification. I have gone through various certification vendors and having 300+ successful clearance.
    Featured Skill Firewall
    IT Infrastructure
    Tech & IT
    Information Technology
  • $50 hourly

    • 5.0/5
    • (2 jobs)
    Greetings! I am a seasoned professional dedicated to safeguarding and optimizing businesses through advanced IT solutions. With specialized expertise in network security, system optimization, and cloud technologies, I bring a results-driven approach to enhance your organization's resilience and operational efficiency. Throughout my career, I've successfully implemented robust security measures and streamlined operations for diverse businesses. My commitment is to deliver tailored solutions that not only fortify your digital assets but also contribute to the overall optimization of your technological infrastructure. I am actively seeking partnerships with forward-thinking organizations that prioritize security and efficiency. Let's collaborate to fortify your business against cyber threats while optimizing your technological landscape for sustained success.
    Featured Skill Firewall
    VPN
    Cloud Engineering Consultation
    Solution Architecture Consultation
    Technical Support
    Solution Architecture
    Information Technology Operations
    Information Security Consultation
    Technical Writing
    Cloud Security
    Linux
    Network Engineering
    Amazon Web Services
  • $50 hourly

    • 5.0/5
    • (218 jobs)
    I am a 2x Certified Elastic Stack (ELK) Engineer and successfully designed and implemented over 200 Elasticsearch projects, managing hundreds of terabytes of data for different use cases. My expertise include consulting and implementation of the Elastic Stack, including Elasticsearch, Kibana, and Logstash. I specialize in cluster architecture, setup, configuration, scalability optimization, maintenance, and integration with databases, third-party tools, and custom data sources. My key skills are 1. Data Processing and Pipeline Development: Expert in crafting complex ingest and Logstash pipelines for efficient data cleaning and transforming raw logs into structured data. 2. Advanced Integrations and Tooling: Skilled in integrating Elastic Stack with machine learning, Generative AI (RAG), Elastic Agent, filebeat, metricbeat, auditbeat, winlogbeat, uptime monitoring, APM, Kibana Canvas, and other Elastic tools. 3. Specialized Applications: Implemented Elastic Stack solutions for a variety of applications, including log analytics, SIEM, cybersecurity, full-text search, data analytics, and reporting. If you’re seeking support for implementation, upgrades, maintenance, optimization, cluster review, or proof-of-concept development around the Elastic Stack, I’m here to help. Additionally, I provide migration services from other platforms such as Solr, OpenSearch (OpenDistro), QRadar, and Splunk.
    Featured Skill Firewall
    IT Infrastructure
    Observational Data Analysis
    Grok Framework
    Network Security
    Kibana
    Logstash
    Elasticsearch
    Apache Lucene
    Full-Text Search
    Sphinx
    Apache Solr
    MySQL
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