Fortinet Firewall Engineer (FortiManager)

Network Security Engineer / Fortinet Firewall Engineer (FortiManager)
Location: Mostly Remote (Approximately 20% Onsite - New Jersey)
Experience Level: Expert
Employment Type: W2 Contract
Role Overview
We are seeking an Expert-Level Network Security Engineer with deep, hands-on Fortinet firewall experience, including FortiManager, to serve as a senior technical authority for enterprise network security operations.
This role requires strong, real-world production experience designing, deploying, and securing large-scale enterprise and data center networks, with FortiGate firewalls as a core security platform. The ideal candidate brings an exceptionally strong networking background, advanced troubleshooting skills, and the ability to fully own complex security and network initiatives. The position is primarily remote, with limited onsite presence (up to 20%) in New Jersey.
Key Responsibilities

• Act as a Subject Matter Expert (SME) for Fortinet network security technologies, including FortiGate firewalls and FortiManager
• Design, deploy, configure, and optimize enterprise and data center firewall architectures
• Build, manage, and enforce FortiGate security policies (Security, NAT, VPN, IPS, Application Control, Web Filtering)
• Administer FortiManager for centralized firewall management, policy packages, device groups, and configuration templates
• Partner with IT Cyber Security teams to implement approved security standards and best practices
• Own network and security incidents end-to-end, providing advanced troubleshooting and escalation to Fortinet TAC when required
• Perform firewall firmware upgrades, patching, and maintenance activities
• Deliver Root Cause Analysis (RCA) documentation for outages and security events
• Develop and maintain detailed network and security documentation, including diagrams and SOPs
• Communicate effectively with engineering, security, infrastructure, and leadership teams

Required Technical Skills
Fortinet Security (Expert-Level)

• FortiGate firewall deployment, configuration, and production support
• FortiManager administration (policy packages, centralized management, templates)
• Firewall policy lifecycle management and rule optimization
• Site-to-site and remote-access VPNs
• IPS, Application Control, and security inspection policies

Networking Fundamentals (Advanced)

• TCP/IP, routing, and switching deep knowledge
• Enterprise WAN technologies
• BGP, OSPF, EIGRP, DMVPN
• VLANs, subnetting, and Layer 2/3 design
• Cisco routers and switches
• Enterprise and data center routing environments

Must-Have Skills

• Fortinet Firewall Engineering (hands-on production experience)
• FortiManager (required)
• Network Security Engineering
• Advanced Routing & WAN
• Cisco Routing & Switching
• BGP
• Enterprise Networking

Additional Qualifications (Preferred)

• Expert-level Network Engineer
• Hands-on experience with Cisco Nexus 9000 (Nexus 9K)
• Experience with VXLAN in enterprise or data center environments
• Proven ability to work independently and own complex firewall and network initiatives
• Strong documentation and communication skills

What Success Looks Like

• You have real-world FortiGate and FortiManager experience, not just exposure
• You understand networking deeply enough to troubleshoot issues beyond the firewall layer
• You can design and support Fortinet security solutions at enterprise scale
• You operate autonomously and are trusted to lead complex network security efforts

Job Type & Location
This is a Contract position based out of Edison, NJ.
Pay and Benefits
The pay range for this position is $80.00 - $85.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Edison,NJ.
Application Deadline
This position is anticipated to close on May 8, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.