15 Best Firewall Developers For Hire In Ontario

Check out Firewall Developers in Ontario with the skills you need for your next job.

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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

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
- (7 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.

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! :-)

Firewall
Linux
Wireshark
VMWare
Computer Skills
Desktop Application
Microsoft Office
FortiGate Firewall
Computing & Networking
Computer Network
CompTIA
Cisco
Microsoft Active Directory
Fortinet
Cisco WLC
$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.

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
- (187 jobs)
Certified from AWS / Azure / GCP / Comptia Security+ / CKA with 16 yrs of Experience in IT. Provide 24/7/365, reliable, cost-effective,Cloud support, secure Outsourced Server Support, Remote Server Administration, & Managed Business IT Support Services to growing enterprises, so they can focus on their core business. Customers can enjoy freedom from the headaches of IT infrastructure management having a dependable IT Services Partner who can provide remote support and administration of their servers, applications, and overall network. Our Managed IT Services delivery is built on a strong foundation of technology, people, and processes. Proactive preventative maintenance of IT Systems enables us to minimize downtime and maintain a healthy network for your business. Cloud management which includes Amazon/Azure/Rackspace/Linode/DO/ GCE. Containerization: Docker and Kubernetes. MSP Tools: Connectwise / N-Able / Comodo Operating Systems - Windows 2012/2016/2019 / Ubuntu / CentOS Application Servers - Tomcat and IIS Web Servers - Apache 2.x, IIS 5.0/6.0/7.0/7.5//8.5/LAMP/Nodejs Firewalls - Iptables/Packetfence/IPCOP / Endian / Utangle / Pfsense Email Server - Smartermail/Exim/Postfix/Sendmail/Google Email Services for Domain Source Control - SVN/VSS/GIT Open Source CMS Scripts - Wordpress/ Joomla and 3rd Party Scripts. Control Panels Plesk/ cPanel/ Helm/ WHM/ Websitepanel/ Webmin/ Virtualmin/ Lxcenter Monitoring Tools - Nagios/Zabbix / New Relic / Site24X7 CI/CD - Jenkins , Teamcity , GOCD , AzureDevOps and AWS CodePipeLine Shopping Cart - nopCommerce/ Pinnacle Cart/ X-cart / Magento DNS - Active Directory, BIND,SAMBA PDC Extra Tools - ADFS/ADAM/IPSwicth FTP Server/Qwest Password Manager /Dynamic DNS / SSO / OpenVPN / Microsoft VPN Server / Remote Desktop host / Exchange Server / SSL configurations / MSSQL Replication and Mirroring etc Virtualization - Esxi / Hyper-V / Proxmox /VSAN Networks - LAN/WAN/NAT/VPN configuration/Wireless Router configuration Database Server - Mysql 4/5 , Mssql 2000/2005/2008/2012/2014/2017/2019 IAM - Keycloak / Okta / Azure AD / Auth0 / JumpCloud Datacenter/DRBD/Heartbeat/Pacemaker/Failovers/Loadbalancers VOIP Tools - Asterisk Based Trixbox Business telephone System/SIP Phones/Hardware Phones/ATA Adapter/Vonage lines configurations. Works as a full-time freelancer and is actively available on skype, hangout and phone.

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
$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

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
$24 hourly
- 5.0/5
- (1 job)
Over the last 23 years, I have been involved with the professional IT environment. I had developed many networking infra-structure in various reputed organizations. Apart from these I have also set up a lot of DNS servers, Mail servers, Web servers, Proxy servers, Firewall/Gateway, VMware ESX and ESXi servers to the corporate offices. I have also a vast knowledge and working experience on Cisco Routers and Switches. Specially I have been working with TCP/IP, CISCO IOS, Backup and Restoring, RIP, EIGRP, OSPF, VLAN, VTP, ACL etc. Any sorts of networking problems must be solved with commitment.

Firewall
TCP/IP
Unix System Administration
Mail Server Implementation
Linux System Administration
MySQL
Computer Network
Unix Shell
Cisco Router
DNS
$40 hourly
- 0.0/5
- (0 jobs)
Have a Google Cybersecurity Certificate, demonstrating a robust foundation in Linux command line, SQL, and Python. With extensive experience in the implementation and maintenance of network devices, have a proven track record in Data Centres, Wireless systems, and Cable Modem Termination Systems (CMTS). This includes adeptness in configuring, troubleshooting, and optimizing CMTS equipment to enhance network performance and reliability. Have a detail-oriented approach and exceptional problem-solving skills to ensure the smooth operation of communication networks through meticulous root cause analysis and effective troubleshooting. Highly proficient in client-facing roles, consistently delivering solutions that meet user needs and maintain high levels of satisfaction. In addition to a solid technical background, I have thrived in multinational and multicultural environments, demonstrating quick learning abilities and a knack for adapting to new technologies, both software and hardware. A self-motivated team player, have exceled in multitasking, working under pressure, and managing deadlines while showcasing strong presentation, time management, and project planning skills.

Firewall
Cisco IOS
Microsoft Office
Wireless Communication
Operating System
Ticketing System
TCP/IP
Cybersecurity Management
Data Center Operations
Wireless Network Implementation
Network Monitoring
Information Technology Operations
Computer Network
SEO Setup & Configuration
Customer Service
$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.

Firewall
Fortinet
Computer Network
Network Monitoring
Network Administration
Antivirus & Security Software
Network Planning
$45 hourly
- 0.0/5
- (0 jobs)
I am an Escalation Engineer at Check Point Software Technologies Ltd, a global leader in network and cloud security solutions. I provide advanced technical support and troubleshooting for complex issues involving Check Point products and services, as well as multi-cloud infrastructures. With multiple certifications from Check Point, including CCSA, CCSE, CCTE, CCTA and CCSM, I have demonstrated my proficiency in securing on-premise and cloud environments. I specialize in Dome9, a platform that enables security and compliance for AWS, Azure, and GCP. I also have a solid foundation in routing protocols, security protocols, cloud services, and Check Point logging and monitoring. I graduated from Centennial College with an Advanced Diploma in Computer Systems Networking and Telecommunications in 2019. I am passionate about learning new technologies and enhancing my skills in the network and cloud security domain.

Firewall
WAN Optimization
Windows Server
Security Engineering
Application Security
Network Architecture
Network Engineering
Linux
Router
Cybersecurity Monitoring
Troubleshooting
Network Analysis
Check Point
VPN
Network Security
$20 hourly
- 1.1/5
- (6 jobs)
Hello, I understand the stress and anxiety you must be feeling, having lost a significant amount of money to a scam. I'm here to provide a glimmer of hope. I'm a seasoned Information Security Professional with a solid background in Ethical Hacking, Data Recovery, and Crypto Wallet and Cryptocurrency Security. In a similar project I did in the past, I successfully tracked down the perpetrator behind a series of crypto scams and assisted the victim in getting their funds back. I utilized my skills in system security and growth hacking, coupled with social media platforms like Facebook, Instagram, Twitter, Gmail, and TikTok, to trace the scammer. To help retrieve your lost funds, my approach will be to first analyze the email and wallet addresses you've shared. Then, I'll initiate a comprehensive investigation, employing my technical support skills, to track down the scammer's digital footprint across various platforms. Hiring me will ensure you have a professional with a proven track record working on your case. My goal is to not only retrieve your funds but also impart knowledge to avoid such scams in the future. Can we schedule a quick Zoom meeting to discuss more details? I have a couple of questions: 1. Can you share any additional information you have about the scammer? 2. Have you contacted your bank or the crypto wallet service provider about the scam? Looking forward to assisting you, Thanks

Firewall
Security Testing
Computer Network
Computing & Networking
Information Security
DNS
Network Security
Crypto Wallet
Kali Linux
Data Recovery
Ethical Hacking
Telephone
Smartphone
Cryptography
Cryptocurrency
$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.

Firewall
Information Security
Artificial Intelligence
Cybersecurity Monitoring
Web Application Security
Security Analysis
Penetration Testing
Machine Learning
$20 hourly
- 0.0/5
- (0 jobs)
🚀 **Azure Cloud Expert | Certified MCSA & MCSE | IT Infrastructure Maestro** Hello! 👋 I'm Vipul Arora, your go-to Technical Engineer with a passion for crafting cloud-powered solutions that elevate system performance and transform user experiences. Holding certifications in AZ-104 and AZ-303, as well as being an MCSE Certified professional, I bring over 6 years of robust IT Infrastructure experience, specializing in Azure cloud technologies and dynamic technical support. **Why Collaborate with Me?** ✨ **Azure Mastery:** As a seasoned Technical Engineer at InsightSoftware, I've mastered Azure Infrastructure, ensuring flawless operations and rapid resolution of complex L3-level incidents for diverse clients across North America. 🔧 **Versatile Expertise:** My extensive experience spans the spectrum of IT Infrastructure, from Windows Server Setup and Office 365 Configuration to VOIP implementation and PowerShell wizardry. I don't just troubleshoot; I optimize. 🌐 **Global Support Impact:** With 6+ years in Customer Service and IT Technical Support, I've become adept at navigating Salesforce case management, providing efficient solutions to customers and end-users spanning multiple time zones. 💻 **DevOps Proficiency:** My toolkit includes 3+ years of hands-on experience in C# and SQL, complemented by a deep understanding of Azure services like virtual machines, storage accounts, and networking components. This translates to creating robust server configurations for enhanced reliability and minimal downtime. **Past Wins:** 💼 As a Junior System Engineer at TEIBAS, I showcased expertise in Active Directory administration, Office 365 management, and SQL database maintenance. My implementation of scalable automation using PowerShell significantly increased efficiency and accuracy. 🎓 **Continuous Learner:** Holding MCSA and MCSE certifications, along with Azure-focused credentials, demonstrates my commitment to staying ahead in cloud technologies. I'm not just certified; I'm constantly evolving with the latest trends. **What I Bring to the Table:** 🌐 **Global Perspective:** Having managed IT infrastructure, planned migrations, and provided second-level support for server-class systems, I thrive in dynamic environments. 📚 **Educator & Documenter:** My ability to document processes, educate end-users, and ensure seamless network connectivity complements my technical skills. 🚀 **Passion for Growth:** Beyond work, I stay active in the tech community, attending training sessions and continuously expanding my skill set. I'm enthusiastic about connecting with like-minded professionals and exploring opportunities to contribute my expertise in Azure and infrastructure to drive business success. Let's innovate together! 🚀

Firewall
Microsoft Windows PowerShell
Technical Support
Office 365
Windows Server
System Administration
Computer Network
Computer Maintenance
Desktop Support
Computer Skills
Email Support
$40 hourly
- 0.0/5
- (0 jobs)
I am a dedicated Cybersecurity Specialist with a focus on network penetration testing, vulnerability assessments, and information security consulting. With hands-on expertise in tools like Kali Linux, Nmap, Metasploit, and Burp Suite, I help businesses identify, mitigate, and prevent security vulnerabilities before they become threats. What I Offer: • Penetration Testing: Assessing network, web, and application vulnerabilities to improve your security posture. • Vulnerability Assessments: Identifying weaknesses in your systems and providing actionable recommendations. • Cybersecurity Consulting: Helping businesses establish robust security protocols, firewalls, and system hardening. • Web Application Security: Testing and securing web applications against threats like SQL Injection, XSS, and CSRF. Why Work With Me? • Proficient with industry-leading tools (Kali Linux, Wireshark, OpenVAS, etc.). • Strong commitment to client confidentiality and data protection. • Results-driven approach, ensuring vulnerabilities are resolved effectively. • Experience working with diverse industries to meet unique security needs. Whether you need a comprehensive penetration test, a detailed security report, or ongoing cybersecurity support, I am here to help safeguard your systems and data. Let’s work together to strengthen your defenses and keep your business secure.

Firewall
Cloud Security
Malware Removal
Malware Detection
Wireless Security
Risk Assessment
Cybersecurity Monitoring
Web Application Security
Web App Penetration Testing
Ethical Hacking
Network Penetration Testing
$20 hourly
- 0.0/5
- (1 job)
I am an IT Support Engineer with many years of professional experience in the IT Support sector. I am an expert with Microsoft Office 365, Microsoft Outlook, Microsoft Teams, OneDrive, Google Workspace, Gsuite, Gmail, Google Drive, Domain, DNS, Email Send-Receive, Email Deliverability, Spam or Junk issues, Email Migration, Setup Cold Email or Email Marketing. 🏆 My Services are: ☑️ Microsoft Office 365, Microsoft Outlook, Google Workspace, Email Send-Receive, Email Deliverability, Email Migration, Domain Management, DNS Record, etc. ☑️ Windows 10, Windows 11 & MacOS IT Support. ☑️ Fix mail going to the receiver's Spam or Junk folder, and Email Deliverability. ☑️ Configure and Manage Microsoft 365, Microsoft Outlook, Microsoft Teams, Microsoft Exchange, Azure, and OneDrive. ☑️ Configure, and Manage Google Workspace, Gsuite, Business Email, Gmail, Outlook. ☑️ Email Migration from Google Workspace to Office 365, Microsoft 365 to Google Workspace, cPanel Webmail to Microsoft Outlook, or IMAP to Microsoft Outlook Email Migration. ☑️ Domain and DNS Management (GoDaddy, Namecheap, Cloudflare, Squarespace, IONOS, Bluehost, SiteGround, Ovh, Shopify, HostGator, etc.) ☑️ Strong experience with Google Workspace Admin Console, Email Authentication methods (SPF, DKIM, DMARC), and the best Email Deliverability. ☑️ Add your domain and verified on Google Postmaster Tools. ☑️ Mail WarmUp, Domain Reputation Check, and Set up DMARC with quarantine enforcement policy. ☑️ cPanel, POP, IMAP, SMTP Authentication, Two-step verification, and Outlook App Password issues. ☑️ Set up Cold Email on Instantly, SmartLead, Apollo, Klaviyo, Mailchimp, Active Campaign, etc. ☑️ Set up Dedicated Sending Domain and Domain Authentication in Klaviyo, Go High Level, Active Campaign, Mailchimp, SendGrid, Hubspot, and Mailerlite. ☑️ Fix Website down or not working, and DNS records (CNAME, A, Ip) issues and Website redirect. ☑️ WordPress Plugin Form or Contact Form configured for Email receiving. 🏆 Strengths: ☑️ Leadership, Time Management, and Communication. ☑️ Teamwork, Hardworking & Honest. I am always available to answer questions and discuss anything you need. Client Satisfaction is my main objective, so you will get the best service and support anytime. Message me for your Project.

Firewall
SSH
Network Design
System Administration
Network Administration
Data Entry
Open Networking Operating System
Network Engineering
Network Analysis
PROXY Networks Remote Support Software
Network Security
Network Access Control
Cisco ASA
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