Network Security Engineer (Fortinet) - Resident Engineer

C-Serv

SeniorPublished Jul 22, 2026

Apply directly on C-Serv’s careers site — no account needed.

About the role

Columbus, OH · Financial Services Client · Direct Hire or Contract (W2/C2C)

Own the network security backbone for a major financial services enterprise, real ownership, not a support seat.

What you'll own

· Day-to-day operation and support of enterprise Fortinet infrastructure in a high-security, financial services environment

· Building methods of procedure (MOPs) for migrations, upgrades and releases that hold up under audit

· Testing new features and releases before they touch production

· Evaluating how third-party devices interoperate with Fortinet products

· Training client staff so they're not dependent on you for everything

· Being the person who catches issues early and escalates the ones that matter

Requirements

Must-haves

· 7+ years in LAN/WAN/Internet consulting, support or administration

· 5+ years with network security products, 2+ years specifically with Fortinet

· Strong hands-on FortiGate firewall expertise

· Strong knowledge of Fortinet SD-WAN design, with hands-on experience in a global, multi-site architecture

· Comfort working in a regulated, high-stakes financial environment

· Must be authorized to work in the United States without employer sponsorship

Nice-to-haves

· ADVPN experience

· 2 to 3 Fortinet certifications, EPSP-track certifications are the best-case scenario

· Prior professional services or consulting engineer experience

· Solid grounding in switching, routing, load balancing, WiFi, IPS, VPN, antivirus/antispam, web filtering and application control

Benefits

What you'll get

Direct hire or contract flexibility, competitive rates paid and a placement with a firm that treats financial-sector security work as the specialist discipline it is.

Ready to be the engineer a financial services client trusts on the ground? Apply now, we're moving quickly on this one.

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