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  • $63 hourly

    • 5.0/5
    • (45 jobs)
    I am a qualified IT professional with a high level of experience in developing and implementing the IT needs of businesses. I am adept at performing support and analysis across a large range of development and project activities, including installing, maintaining, supporting hardware and software as well as maintaining and supporting servers in networks in both virtual and physical environments. Below are my skills I wish to highlight for projects on this platform. Linux Administration Amazon AWS Infrastructure Architect Microsoft Operating Systems - Installation, Configuration, Troubleshooting SQL Databases Microsoft Active Directory Domain Configuration Dell Sonicwall/ Fortinet Firewall Configuration Web CMS Development VMWare Administration Powershell Scripting Python Scripting PHP Development OCR Development Scripting Automation Expert
    Featured Skill Firewall
    Scripting
    VMware Administration
    Microsoft Windows PowerShell
    Network Administration
    Linux System Administration
    Talend Open Studio
    Penetration Testing
    Microsoft SQL Server Administration
    Technical Support
    Python
  • $30 hourly

    • 5.0/5
    • (8 jobs)
    With over 10 years of extensive experience in the field, I am a seasoned professional specializing in routing, switching, and security technologies. My expertise spans across various domains including network operations, build, and project management, with a strong focus on process-oriented flow such as incident, change, and problem management. In the realm of routing technologies, I possess proficiency in a range of protocols including BGP, MP-BGP, OSPF, EIGRP, Policy-based Routing, HSRP, and VRRP. My adeptness extends to VPN technologies encompassing SSL VPN, IP-Sec VPN, Get VPN, and Site to Site configurations. Additionally, I have a comprehensive understanding of security technologies such as IPS, IDS, WAF, URL Filtering, access implementation, and Single Sign-On (SSO) mechanisms. My hands-on experience includes managing a diverse array of devices including ASR/ISR Routers, Cisco ASA, Fortinet Firewalls/Manager/Analyzer, Cisco switches (9500/9300/4500/3850), Cisco/Aruba Wireless controllers, and PaloAlto Firewalls (Panorama). I am well-versed in utilizing monitoring tools such as SolarWinds and Cisco Prime to ensure optimal network performance and security. Moreover, I have a demonstrated proficiency in Azure Cloud technologies, further enhancing my ability to design and implement robust and scalable network infrastructures. With a track record of successful projects and a commitment to staying updated with the latest advancements in the field, I am well-equipped to tackle the most complex networking challenges and deliver solutions that meet and exceed organizational objectives.
    Featured Skill Firewall
    Border Gateway Protocol
    Routing
    Microsoft Azure
    FortiGate Firewall
    Palo Alto Firewalls
    DNS
    DHCP
    Cisco Router
    Enhanced Interior Gateway Routing Protocol
    Cisco ASA
    KVM Switch
    Cisco Certified Network Associate
    VPN
  • $45 hourly

    • 5.0/5
    • (1 job)
    Certified Network and Information Security Professional with extensive expertise in network infrastructure, cybersecurity, and IT solutions. Proficient in managing diverse server and client platforms (Windows, macOS, Linux) and advanced technologies such as Fortinet, Cisco, VMware, and Microsoft 365. Dedicated to delivering secure, scalable, and innovative IT solutions tailored to meet client needs while ensuring compliance with industry standards and best practices. I thrive in dynamic, fast-paced environments where I can apply my strong problem-solving, analytical, and communication skills to resolve complex technical challenges. My excellent verbal, written, and interpersonal communication abilities enable me to build trust with clients and collaborate effectively with teams to achieve project goals. Keen attention to detail ensures every solution I deliver meets the highest standards of quality and reliability. With a proven track record in client-facing roles, I excel at identifying innovative alternatives and opportunities to address complex challenges. I am skilled in efficient planning and organizing, enabling me to deliver results that exceed client expectations while optimizing resources and time. TECHNICAL EXPERTISE: • Network Infrastructure & Security: Proficient in Cisco LAN/WLAN (WLC, Meraki), Fortinet Security Fabric (FortiGate, FortiAnalyzer, FortiManager), and security frameworks (NIST, ISO 27001, CVE). Skilled in configuring VPNs, firewalls, IDS/IPS, ACLs, and security policies. • Governance, Risk, and Compliance (GRC): Experienced in conducting security audits, implementing GRC frameworks (NIST CSF, COBIT, ISO 27001/27002), and developing risk mitigation strategies to ensure regulatory compliance and protect critical assets. • Systems & Virtualization: Extensive experience with VMware, EVE-NG, and Active Directory management, including Group Policy and User Provisioning as well as utilizing PowerShell. • Programming & Scripting: Skilled in Python, Bash, and network automation using Ansible. • Operating Systems & Endpoints: Proficient in managing Windows, macOS, and Linux environments. Experienced with MDM solutions for iOS and Android. • Cybersecurity & Threat Management: Expertise in vulnerability testing (Nessus, OWASP), endpoint detection (McAfee EDR, Sophos DLP), and leveraging frameworks like MITRE ATT&CK and the Cyber Kill Chain to enhance security posture. • Technical Support & Troubleshooting: Expertise in diagnostic tools (Wireshark, Packet Tracer) for network and voice traffic analysis. Cloud & Collaboration: Skilled in Microsoft 365 applications (Outlook, Teams, SharePoint) and database management (SQL). ADDITIONAL PROFICIENCIES: • Security Audits & Compliance: Conducting internal and external audits, creating detailed audit reports, and implementing controls to address identified vulnerabilities. • IoT Solutions: Hands-on experience with IoT platforms (ESP32, Arduino, Raspberry Pi). • Project Management: Experienced in project planning, execution, and team mentoring to deliver high-quality results efficiently. I bring a unique combination of technical expertise and soft skills to every project. Whether working independently or collaboratively, I am dedicated to meeting business needs with precision, innovation, and professionalism. Let’s work together to secure and optimize your IT environment! :-)
    Featured Skill Firewall
    Linux
    Wireshark
    VMWare
    Computer Skills
    Desktop Application
    Microsoft Office
    FortiGate Firewall
    Computing & Networking
    Computer Network
    CompTIA
    Cisco
    Microsoft Active Directory
    Fortinet
    Cisco WLC
  • $120 hourly

    • 5.0/5
    • (2 jobs)
    Career Summary * Over 18 years of experience in small and large network environments such as International Companies, Banks, ISPs, ... * Excellent experience in network Designing, supporting, planning, Implementing, troubleshooting and monitoring * Hands-on experience with network devices such as Cisco, Palo-Alto, FortiGate, Avaya, Extreme, Dell, HP, Xirrus, etc. * Excellent troubleshooting and problem-solving skills * In-depth Knowledge in design, administration and supporting network systems * Self-motivated and possessing team playing skills and goal oriented * Ability to work under stress,
    Featured Skill Firewall
    Cloud Computing
    DNS
    Routing
    Enhanced Interior Gateway Routing Protocol
    DHCP
    Cisco ASA
    MacBook
    Cisco
    Cisco Router
    HSRP
    Data Center
    Border Gateway Protocol
    Computing & Networking
    Network Engineering
  • $40 hourly

    • 5.0/5
    • (1 job)
    Network Engineer with wide experience in troubleshooting of complex networking system, implementation, configuration of Cisco routers and switches. Experience in designing, configuring, implementing, and testing of LAN, WAN, Ethernet, and IP routing protocols such as OSPF, IGRP, RIP, BGP, EIGRP. Worked on network topologies and configurations, TCP/IP, UDP, MPLS, ATM, hubs, and Switches. Skilled in delivering technical support, managing network operations and maintaining enterprise wide area networks across multi-platform and Data center environment.
    Featured Skill Firewall
    Computer Network
    VMware NSX
    Cisco
    Cisco ASA
    Palo Alto Firewalls
    FortiGate Firewall
    Network Access Control
    Computing & Networking
    Virtual Machine
    Network Monitoring
    Network Engineering
    Network Administration
  • $60 hourly

    • 4.6/5
    • (189 jobs)
    Certified in AWS, Azure, GCP, CompTIA Security+, and CKA with 16 years of experience in IT. I provide 24/7/365 reliable, cost-effective Cloud support, secure Outsourced Server Support, Remote Server Administration, and Managed Business IT Support Services to growing enterprises. This allows businesses to focus on their core objectives while enjoying the freedom from IT infrastructure management. As a dependable IT Services Partner, I offer remote support and administration for servers, applications, and networks. My Managed IT Services delivery is grounded in a strong foundation of technology, people, and processes. With proactive preventative maintenance, we minimize downtime and ensure a healthy network for your business. Cloud Management: - Amazon Web Services (AWS) - Microsoft Azure (including AI/ML capabilities) - Rackspace, Linode, DigitalOcean, Google Cloud Engine (GCE) AI/ML Services: - AWS AI/ML Services (Amazon SageMaker, AWS Lambda, etc.) - Microsoft Azure AI and ML (Azure Machine Learning Studio, Cognitive Services, etc.) AIOps (AI for IT Operations): - Azure AI for IT Operations - AWS AIOps Services - Automated monitoring, incident detection, and remediation using machine learning algorithms Containerization: Docker, Kubernetes MSP Tools: Connectwise, N-Able, Comodo Operating Systems: Windows 2012/2016/2019, Ubuntu, CentOS Application Servers: Tomcat, IIS Web Servers: Apache 2.x, IIS 5.0/6.0/7.0/7.5/8.5, LAMP, Node.js Firewalls: Iptables, Packetfence, IPCOP, Endian, Utangle, Pfsense Email Servers: Smartermail, Exim, Postfix, Sendmail, Google Email Services for Domain Source Control: SVN, VSS, Git Open Source CMS Scripts: Wordpress, Joomla, 3rd Party Scripts Control Panels: Plesk, cPanel, Helm, WHM, Websitepanel, Webmin, Virtualmin, Lxcenter Monitoring Tools: Nagios, Zabbix, New Relic, Site24X7, Pagerduty CI/CD: Jenkins, TeamCity, GOCD, Azure DevOps, AWS CodePipeline Logging and Insights Tools: Azure AppInsights, ELK, Splunk, Dyntrace, Datadog DNS: Active Directory, Entra ID , BIND, SAMBA PDC Extra Tools: ADFS, ADAM, Ipswitch FTP Server, Qwest Password Manager, Dynamic DNS, SSO, OpenVPN, Microsoft VPN Server, Remote Desktop Host, Exchange Server, SSL Configurations, MSSQL Replication and Mirroring Virtualization: ESXi, Hyper-V, Proxmox, VSAN Networks: LAN/WAN/NAT/VPN Configuration, Wireless Router Configuration Database Servers: MySQL 4/5, MSSQL 2000/2005/2008/2012/2014/2017/2019 IAM: Keycloak, Okta, Azure AD, Auth0, JumpCloud Datacenter/Disaster Recovery: DRBD, Heartbeat, Pacemaker, Failovers, Loadbalancers VOIP Tools: Asterisk-Based Trixbox Business Telephone System, SIP Phones, Hardware Phones, ATA Adapter, Vonage Lines Configurations I work as a full-time freelancer and am available for consultation via Skype, MSTeams, and phone.
    Featured Skill Firewall
    Docker
    Cloud Computing
    Infrastructure as Code
    Managed Services
    Single Sign-On
    CI/CD
    VMware Administration
    Web Hosting
    Kubernetes
    Windows Administration
    DevOps
    Amazon EC2
    Linux System Administration
    Microsoft Azure
  • $50 hourly

    • 5.0/5
    • (21 jobs)
    Jasim is an accomplished Network Engineer with 11 years of experience in designing and managing network infrastructure with the best planning to consistently achieve high availability, security and performance. He is a highly motivated and energetic professional with more than six year of experience in implementing, securing and operating enterprise IT infrastructure. Additionally, he has extensive hands-on experience with the design, implementation and operation of complex enterprise networks and advanced security solutions. Jasim has a strong grip on implementation of various networking and security technologies. He has deployed many large scale projects which involve integration of Cisco, Palo Alto, Fortinet, HP and various other networking and security solutions. His skillset includes the documentation of solution including Low level Design, high Level Design, Network Diagrams, SOW’s and more.
    Featured Skill Firewall
    Virtual LAN
    Network Security
    Cisco Certified Network Associate
    Fortinet
    Cisco ISE
    Network Engineering
    Cisco ASA
    FortiGate Firewall
    Wireless Network Implementation
    Palo Alto Firewalls
    Cisco Router
    Aruba
    Microsoft Azure
    System Administration
  • $75 hourly

    • 4.8/5
    • (86 jobs)
    Experienced cybersecurity specialist with 20+ years of finding and fixing vulnerabilities. Known for BrowserSploit, a free pentesting tool on GitHub, and my work with Canadian ISPs to enhance network security. I blend technical expertise with clear, client-friendly communication, ensuring both tech and non-tech stakeholders understand risks and solutions. Whether you need a full security assessment or help securing your systems, let’s make your digital world safer.
    Featured Skill Firewall
    Vulnerability Assessment
    Red Hat
    Ubuntu
    Linux
    IT Infrastructure
    IT Management
    Server Administration
    Web Server
    Cloudflare
    Cloud Security
    Web App Penetration Testing
    Linux System Administration
    Network Penetration Testing
    VPN
  • $60 hourly

    • 0.0/5
    • (2 jobs)
    • Over 10 years of experience in network administration and security. • Languages: English, French, Spanish, Mandarin. • Master’s Degree in Electronics and Communication Engineering. • Advanced diploma in cybersecurity from Polytechnic Montreal. • Cisco CCNA Routing and Switching certified. • CompTIA Security+ certified. • CompTIA CySA+ certified. • CompTIA CSAP certified. • (ISC)2 Certified in Cybersecurity. • CEH (Certified Ethical Hacker) in progress. • AWS Cloud Practitioner in progress. • Fortinet NSE 1,2,3,4,5,7 certified. • Expertise in various security tools (IPS, Firewalls, IDS, SIEM, SOAR, EDR, Antivirus, Antimalware …) • Ability to work in a fast-paced environment and under pressure. • Experience handling multiple tasks and maintaining comprehensive documentation. • Excellent customer relations and communication skills. • Self-motivated, self-starter, innovative and creative. • Strong team player with the ability to work independently with little or no supervision. • Flexible and available to work shifts and hours. TECHNICAL SKILLS ------------------------- Expert level in Fortinet products: Fortigate, Fortianalyzer, Fortimanager, Fortiswitch, FortiAP, FortiAuthenticator, Forticlient. ▪ IDS, IPS. ▪ Suricata, Security Onion, Snort, Bro, Kibana. ▪ SIEM/FIM, UTM. ▪ Vulnerability scanning (OpenVas, Nessus). ▪ Port Scan with Nmap. ▪ OS Hardening. ▪ Security industry standard (NIST, COBIT, CIS, OWASP, MITRE ATT&CK). ▪ NAC, Mobile device management (MDM). ▪ Wireshark and SolarWinds. ▪ Microsoft Active Directory. ▪ DHCP and DNS. ▪ Routing and switching. ▪ Incident Management. ▪ Cyber investigation using tools like XL-parser, XL-Whois, XL-Tools. ▪ Networking, TCP/IP and OSI protocols stacks, EIGRP, OSPF RIP, static routing, BGP, SD-WAN, SNMP. ▪ Microsoft outlook. ▪ VMWare and VirtualBox. ▪ Microsoft office suite (word, excel, PowerPoint). ▪ VPN IPSEC, remote VPN, SSL VPN, VLAN. ▪ Antivirus and Anti-malware. ▪ McAfee live safe: key escrow, virus scan, remote wipe, host protection. ▪ Open PGP: secure email, PKI, digital signature. ▪ ELK (Elasticsearch, Logstash, Kibana) · Incident response (on Firewall): a) Contain the attack: isolation; removal; segmentation b) Identify the attack and create appropriate customized IPS rules and signatures to stop it c) In case of DOS attack, create appropriate DOS policy to block the attack on the firewall d) Edit antivirus signatures to thwart the attack e) In case of brute force attacks, implement 2 factor authentication with password and token for increased security f) Monitor the network after the attack is blocked · Assist with new network architecture implementation and building fortigate firewall from scratch: customer provides the desired architecture, and I assist with setting it up and improving it if needed, with customer's approval. · Set up and troubleshoot for customers: a) IPS rules and signatures b) VPN (remote access, site to site) c) Firewall rules d) High availability and redundancies e) Link monitoring on firewall (monitoring link and devices failures) f) DOS policies g) Access points and switches h) Authentication: Radius, LDAP, 2FA or MFA i) Single sign on technologies j) SAML k) BGP, OSPF, static routing l) Web filtering, application control, SSL inspection m) SD WAN n) Certificate installs o) Remote logging p) Assist with PCI DSS compliance scanning q) And much more · Provide customers advice regarding new, future, and existing network and security architecture, to harden it and make it as secure as possible.
    Featured Skill Firewall
    Network Security
    Fortinet
    Palo Alto Firewalls
    FortiGate Firewall
    Cisco Certified Network Associate
    Network Planning
    Network Penetration Testing
    Computer Network
    Network Administration
    Network Monitoring
    CompTIA
    Encryption
  • $70 hourly

    • 0.0/5
    • (0 jobs)
    UNIX/Linux System Engineer 15+ years of experience as a UNIX and database administrator. 10+ years of experience in crafting software products backed by highly scalable, reliable and fault tolerant distributed storage systems such as GPFS, HDFS, Ceph, GlusterFS and high loaded DB like PostgreSQL, MongoDB, InfluxDB, Redis, ClickHousse... Languages: C/C++, Perl, Bash, Python, Java Databases: MySQL/MariaDB, Microsoft SQL, PostgreSQL, Oracle, DB2, Redis, MongoDB, InfluxDB, ClickHousse Orchestration: SaltStack, Ansible, Chef, Puppet High-performance clustered file system: GPFS, GlusterFS, Ceph, OpenZFS, Samba CTDB/CIFS, CVMFS, NFS, NetApp Virtualization: QEMU KVM, VMware, Docker, Vagrant Monitoring: Nagios, Ganglia, LibreNMS, Zabbix, NetData Other skills: Git, Nginx, Apache Spark, Tomcat, Lighttpd, Virtual Hosting, Squid, Moab, Torque scheduler, IBM Tivoli, xCAT / Deployment / Maintenance / Troubleshooting / Performance Tuning / Upgrade, Patching, Migration, Backup & Restore
    Featured Skill Firewall
    Oracle Database Administration
    GitLab
    Docker
    VMware Administration
    Apache Tomcat
    DevOps
    C++
    Ansible
    MySQL
    C
    Git
    Apache Spark
    DNS
    CentOS
  • $39 hourly

    • 0.0/5
    • (1 job)
    Setting up network from scratch Switching and Routing Advanced troubleshooting and network optimization. Installing, testing, monitoring and maintaining telecom and other related equipment Executing testing and assessing procedures on network equipment as per standards. Carrying out fiber splicing and termination. Monitoring network regularly and resolving issues related to network transmissions and connectivity. Understanding the need for change or development of networks. Installing, maintaining and configuring all levels of data communication systems. Overseeing network issues and troubleshooting when necessary. Ability to work flexible hours and solve issues related to circuit and connectivity problems. Providing support to end users of data communication networks. Keeping the systems up-to-date with firewalls, antivirus software, and spyware, malware, and adware protection software. Installing routers, switches and other hardware equipment. Maintaining logs on equipment and other technical requirements. Installing and configuring networks and Internet systems Performing routine network maintenance Troubleshooting network or server problems Assisting clients or end users within their organizations Designing and implementing functional network infrastructure Resolving issues that tiers of support have escalated Mentoring team members and addressing user needs
    Featured Skill Firewall
    Directory
    Computer Network
    Intrusion Prevention System
    Hardware Troubleshooting
    Administrate
    Personal Computer
    Cluster Computing
    Cloud Computing
    Web Accessibility
    Microsoft Outlook
    Microsoft Active Directory
    Routing
    Network Engineering
    Network Administration
  • $60 hourly

    • 0.0/5
    • (0 jobs)
    PROFILE I have been working in telecommunications and data networks since 2014. In addition to holding two master's degrees in Telecommunications and Networking, I am certified in CCNA, HCNA, and HCNP. My areas of expertise include: LAN and WAN Solutions Managed WiFi Eero TV solutions(TiVo, uCrypt, DCT) Passive Optical Networks (PON) Optical Networks (DWDM, SDH, SONET, OTN) Cisco Routing and Switching Internet Solutions for Premises SD-WAN Cradle Point Telephony Network Architecture (PRI, SIP, Analog Lines)
    Featured Skill Firewall
    VPN
    Session Initiation Protocol
    Network Access Control
    OTN
    Telephone
    VoIP
    Network Security
    WiFi
    Wireless Communication
    Troubleshooting
    Multiprotocol Label Switching
    Fiber Optics
    Routing
    Computer Network
  • $80 hourly

    • 0.0/5
    • (0 jobs)
    I provide expert consulting services to organizations aiming to enhance their IT operations and security posture. My specialties include designing and implementing robust IT systems (on-premises and cloud), vendor management, and crafting disaster recovery and business continuity plans. Leveraging my MBA knowledge, I align IT solutions with business objectives, ensuring cost-effectiveness and efficiency. I also bring expertise in advanced security system management, including OT security, asset monitoring, and compliance optimization.
    Featured Skill Firewall
    Grafana
    Office 365
    VMWare
    Backup & Migration
    Veeam
    Microsoft Azure
    Cisco Meraki
    FortiGate Firewall
    Network Design
    System Administration
    IT Management
    Network Engineering
    Computing & Networking
    Computer Network
  • $39 hourly

    • 0.0/5
    • (0 jobs)
    I'm a cyber security expert specializing in Fortinet firewalls. I spent 10 years at Fortinet supporting enterprise customers and another 4 years at Telus as a design engineer. My skill set is well suited for small and medium level customers looking for a full service engineer with years of hands-on experience.
    Featured Skill Firewall
    TCP/IP
    Routing
    Multi-Factor Authentication
    User Authentication
    Single Sign-On
    Palo Alto Firewalls
    Problem Solving
    Troubleshooting
    Project Engineering
    VPN
    Security Infrastructure
    Installation Testing
    FortiGate Firewall
    Network Architecture
  • $75 hourly

    • 0.0/5
    • (0 jobs)
    Objective: Accountability, transparency, value for money, demand aggregation, fair, open and non-discriminatory processes. Summary: I am Rohith Yadla, a Solution Architect, Certified Information Systems Auditor (CISA). As a Canadian citizen with 10 years of experience in IT, I have provided Strategic Guidance to organizations in building Canadian Centre for Cyber Security Cloud Medium (CCCS Medium) Architecture that address central identity and access management, governance, data security, comprehensive logging, and network design/segmentation in alignment with security frameworks NIST 800-53, ITSG-33, FedRAMP-Moderate, Zero Trust, and IRAP while following competencies: 1. Communication & Collaboration 2. Governance & Compliance 3. Adaptability & Resilience  4. Analytical thinking & Problem Solving 5. Systems Thinking
    Featured Skill Firewall
    FedRAMP
    NIST Cybersecurity Framework
    Cloud Architecture
    Amazon Web Services
    Data Warehousing & ETL Software
    Information Security
    Compliance
    Network Engineering
    DevOps
    Architectural Design
    Architecture
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    Experienced IT Professional with a strong background in IT infrastructure, business process optimization, and enterprise solutions. Adept at research, data analysis, and problem-solving to enhance efficiency and service delivery. Skilled in assessing business needs, reviewing documentation, and collaborating with stakeholders to develop strategic solutions. March 2, 2025 Dear Hiring Manager, I am eager to apply for the Business Analyst position as posted in indeed. With over 15 years of experience in IT infrastructure, business process optimization, and enterprise solutions, I am confident in my ability to contribute meaningfully to your team. My expertise in research, data analysis, and problem-solving has allowed me to develop and implement effective strategies that improve operational efficiency and service delivery. Currently, as an IT Analyst and Service Delivery Manager at AFS Dynamics Canada, Inc., I have
    Featured Skill Firewall
    Government Reporting Compliance
    Compliance
    Database Management
    Information Security
    Microsoft Azure
    ERP Software
    Web Development
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    Experienced IT & Networking Specialist | Firewall | Security | Cloud | Troubleshooting Looking for a reliable IT and networking expert to manage, secure, and optimize your infrastructure? With extensive experience in IT support, networking, and cybersecurity, I help businesses maintain secure, high-performance networks. 🔹 Network Setup & Troubleshooting – Configure and optimize routers, switches, firewalls, and VPNs for seamless connectivity. 🔹 Firewall & Security Management – Expertise in Check Point, Fortinet, Cisco ASA, and Palo Alto firewalls for robust security. 🔹 Cloud & Virtualization – Configure and manage cloud services (AWS, Azure, GCP) and virtual environments (VMware, Hyper-V). 🔹 Infrastructure Monitoring & Optimization – Use tools like SolarWinds, PRTG, and Zabbix for real-time network monitoring and performance tuning. 🔹 Technical Support & Consulting – Solve complex IT issues, optimize system performance, and ensure business continuity. I have hands-on experience in network security, firewall configurations, troubleshooting, and cloud solutions. Whether you need an IT consultant, a network administrator, or a security specialist, I’m here to help. 💡 Let’s discuss how I can support your IT infrastructure—reach out today!
    Featured Skill Firewall
    Linux
    System Administration
    Computing & Networking
    Network Engineering
    Information Security
    Computer Network
    Compliance
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    CAREER OBJECTIVE Seeking a Senior IT Support position where I can leverage my 5 years of technical expertise, including troubleshooting, network administration, and security management, to provide efficient and effective support while contributing to the overall success of the organization. Highlights of Qualification * Proficient in Windows and Mac platforms. * Knowledge of Office365 platform, SharePoint and G Suite. * In-depth understanding of IT standards and core network concepts to implement and troubleshoot a network. * Working knowledge of ticketing systems like service now, connect wise and BMC HELIX.
    Featured Skill Firewall
    Duo Security
    Microsoft Hyper-V Server
    Server Administration
    Server & Virtualization Software
    Office 365
    Network Engineering
    Computing & Networking
    Computer Network
    Information Security
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    I am a System Administrator working in the Greater Toronto Area. I have over 5 years experience on every aspect of Windows Server Technologies (Server, Exchange, Sharepoint, SQL) as well as over 10 years experience with Linux. I also have a great deal of experience with Virtualization technologies (VMware, Hyper-V) and experience with basic and advanced networking with Cisco technologies.
    Featured Skill Firewall
    VMware ESX Server
    Linux System Administration
    VMware Administration
    Microsoft Hyper-V Server
    Microsoft Windows PowerShell
    Microsoft Exchange Server
    CentOS
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    Good Day! I am John Bernard Collado Bayangos. I have been in the position of Network Engineer and Security Engineer for more than ten (10) years. In my profession, I have been involved mainly in Network and Security Infrastructure Management and Operation Support particularly Enterprise Grade Datacenter Environments. I'm part of the Team which manages the LAN/WLAN and WAN, Firewalls, and Subject Matter Expert (SME) to F5 Big-IP (e.g. LTM, DNS/GTM, AFM, AWAF/ASM), reviewing and providing solutions to network vulnerabilities and performing reviews and risk assessment on network changes that needs to implement. Aside from the above mentioned, I also been involved in multiple projects such as Application Technical Refresh, Network Migration, and Network-Security infrastructure Tech refresh, Disaster Recovery Activity, and New Site Provisioning. As a capable network engineer, I have a solid technical background and proven record in maintaining, supporting, troubleshooting, implementing and providing solutions related to Network LAN/WLAN and WAN , Application Delivery Controller, and Firewalls. Proficient in implementing, and maintaining various network appliance particularly to CISCO ASR Routers, IOS Switches, Network and Host-based Firewalls, Wireless technologies. Proven expertise in F5 Big-IP Products (GTM,LTM, AFM) and Nexus Data Center Switches (N9k, N7k, N5k and N2k). In addition, I am well verse in other vendor products such as Juniper Firewalls, Checkpoint, Mcafee, Palo Alto, Fortinet, HP Procurve and Ruckus. Moreover I'm also knowledgable when it comes to Provisioning ESXI host, Server (physical and virtual machines) and administration of Servers running in RHEL OS 7.x. Hope to hear from you soon. Thank you for your consideration.
    Featured Skill Firewall
    Cisco CallManager
    Network Design
    Network Traffic Analysis
    Network Architecture
    Network Engineering
    Juniper
    Web Application Firewall
    Cisco Certified Design Professional
    Cisco Certified Network Professional
    Wireless Network Implementation
    Cisco Router
    F5, Inc.
    Computer Network
    Network Administration
    Network Security
  • $30 hourly

    • 0.0/5
    • (2 jobs)
    Telecommunications Engineer with NSE4 and NSE7 certifications in Fortinet technologies. Also, with certifications BCNE and BCNP in Brocade, ACWA Aerohive, Kaspersky and ITIL v4 Foundation certified. I have experience in technical support, IT project management, network design and implementation of Fortinet devices.
    Featured Skill Firewall
    Fortinet
    Computer Network
    Network Monitoring
    Network Administration
    Antivirus & Security Software
    Network Planning
  • $28 hourly

    • 0.0/5
    • (0 jobs)
    I am an IT professional with over 15 years of solid experience in the field of technical support. Throughout my career, I have developed comprehensive skills and knowledge in various technologies and systems, becoming an expert in troubleshooting and ensuring the efficient operation of technological infrastructures. In the last 5 years, my professional life has shifted its focus to cybersecurity, an area characterized by constant evolution and increasing challenges. I have dedicated myself to enhancing my skills in identifying and mitigating cyber threats, implementing proactive measures to protect networks, systems, and sensitive data. My expertise includes the implementation of firewalls, intrusion detection systems, vulnerability analysis, and incident response. Furthermore, I can demonstrate a proactive approach to emerging trends and innovations in cybersecurity, staying updated on the latest digital threats and best practices. My effective communication skills and teamwork contribute to raising awareness and training teams, fostering an organizational culture of information security. With a robust background in technical support and a specialized focus on cybersecurity, I believe that I represent a key asset for organizations seeking to protect their digital assets and maintain the integrity of their operations in an increasingly complex and challenging environment.
    Featured Skill Firewall
    Cybersecurity Management
    GraphQL
    Microsoft Windows
    Linux
    Edge Computing
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    I am a Network & System Administrator with 10+ years' experience in IT arena in fast-paced environments. Experience set up, monitoring and troubleshooting IP networks. Strong work ethic and experience working with market-leading companies. Does your company need the following skill sets? *Network Configuration & support *Troubleshooting, Problem-solving, Root Cause Analysis *Network Security & monitoring - Firewall (Cisco ASA, Fortinet), AAA, SSL/IPSec VPN, ACL, Wifi security, Guest wifi, Solarwinds network monitoring *Data security, cryptography, PGP, PKI, Digital Certificate *Windows Server 2003-19, SQL server, Active Directory, GPO, LDAP *MDM solution: Intune, Blackberry Enterprise server *Cloud - MS Azure, M365, Google Workspace *VMware, Hyper-v *Vulnerability scan, security assessment
    Featured Skill Firewall
    Mac OS X Administration
    Google Workspace Administration
    VPN
    Cisco Meraki
    Windows Administration
    Cisco Router
    Cloud Computing
    Office 365
    Microsoft Azure
    Linux
    Microsoft Active Directory
    System Administration
    Microsoft Windows PowerShell
  • $30 hourly

    • 4.7/5
    • (1 job)
    Highly accomplished and skilled professional with extensive experience in the fields of Cybersecurity, Artificial Intelligence, and Computer Science. A dedicated cyber security specialist with a strong track record in academia and industry. Possesses a profound understanding of penetration testing, web application security, network security and machine learning. Able to effectively communicate sophisticated security concepts to wider audiences, promoting enterprise-wide adaptation of enhanced cyber security measures.
    Featured Skill Firewall
    Information Security
    Artificial Intelligence
    Cybersecurity Monitoring
    Web Application Security
    Security Analysis
    Penetration Testing
    Machine Learning
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    I'm an information security engineer experienced in penetration testing, vulnerability management, Digital forensics and Incidence Response and cloud security management. I can help • Asses and manage infrastructure security • Build and implement security controls • Analyse malware • Perform digital forensics • Troubleshoot hardware, OS, applications and network issues
    Featured Skill Firewall
    Reverse Engineering
    Unified Threat Management
    Intrusion Prevention System
    AI Security
    Cloud Security
    SOC 1
    Penetration Testing
    User Identity Management
    Incident Management
    Digital Forensics
    Application Security
    Network Security
    Cryptography
    Information Security
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    I’m a seasoned System and Network Administrator with extensive experience in analyzing and optimizing IT infrastructures. My expertise spans across various domains, including network configuration, system administration, cloud computing, and technical support. I have a strong track record in evaluating complex IT environments, identifying areas for improvement, and implementing efficient solutions that enhance overall performance. Whether you need in-depth analysis of your IT infrastructure, network optimization, or seamless system migrations, I’m equipped to deliver tailored solutions that meet your business objectives. Proficient in network engineering, including LAN/VLAN configuration (Aruba, Cisco) and Active Directory management. Skilled in system administration tasks, including Windows Server management, WSUS updates, and GPO optimization. Experienced in cloud solutions, including server migrations and backup implementations. Adept at documenting IT architectures and processes, ensuring clarity and consistency across all levels of technical expertise. Let’s connect to explore how my technical expertise and analytical approach can help optimize your IT operations and drive your business forward. Je suis un administrateur systèmes et réseaux expérimenté, avec une vaste expérience dans l'analyse et l'optimisation des infrastructures TI. Mon expertise couvre divers domaines, notamment la configuration de réseaux, l'administration des systèmes, l'informatique en nuage et le support technique. J'ai un solide historique dans l'évaluation d'environnements TI complexes, l'identification des zones à améliorer et la mise en œuvre de solutions efficaces qui optimisent les performances globales. Que vous ayez besoin d'une analyse approfondie de votre infrastructure TI, d'une optimisation réseau ou de migrations systèmes fluides, je suis équipé pour fournir des solutions sur mesure qui répondent à vos objectifs d'affaires. Maîtrise de l'ingénierie réseau, y compris la configuration LAN/VLAN (Aruba, Cisco) et la gestion de l'Active Directory. Compétent dans les tâches d'administration des systèmes, y compris la gestion des serveurs Windows, les mises à jour WSUS et l'optimisation via les GPO. Expérience dans les solutions en nuage, y compris les migrations de serveurs et la mise en place de sauvegardes. Habile dans la documentation des architectures et processus TI, assurant clarté et cohérence à tous les niveaux d'expertise technique. Connectons-nous pour explorer comment mon expertise technique et mon approche analytique peuvent contribuer à optimiser vos opérations TI et propulser votre entreprise.
    Featured Skill Firewall
    Cybersecurity Monitoring
    Microsoft 365 Copilot
    IT Infrastructure
    VPN
    Troubleshooting
    Project Management
    Technical Documentation
    Backup & Migration
    Cloud Computing
    Microsoft Active Directory
    Windows Server
    Information Security
    System Administration
    Network Engineering
  • $10 hourly

    • 0.0/5
    • (0 jobs)
    Professional Summary Area of Expertise: Specialized in Cybersecurity initiatives with a results-driven approach, experienced in code review and vulnerability scanning. Familiar with common threat actors. Adaptability in Technology: Demonstrated ability to learn and implement new technologies in various settings quickly, holding direct access to the latest insights and developments in the security field as a member of ISC². Communication and Teamwork: Skilled in articulating complex concepts effectively in diverse teams, enhancing collaboration and understanding in multicultural environments. Fluent in Mandarin and Working English. Educational Background: Held a graduate degree and various certifications in the cybersecurity field, providing a solid foundation of technical knowledge and analytical skills.
    Featured Skill Firewall
    Cybersecurity Management
    Cyber Threat Intelligence
    System Administration
    Computer Network
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