Lead Network Engineer

MidFirst Bank; Oklahoma City (OK); On-site; USD 120,000 - 180,000; Full time

Job summary

MidFirst Bank is seeking a Senior Network Engineer to design, implement, and operate the enterprise network landscape. The role emphasizes Cisco and Fortinet technologies, including SD-WAN, SASE, and VXLAN, to sustain stability, scalability, and security across data centers, campuses, and remote sites.

The ideal candidate will have deep expertise in routing, switching, and modern networking architectures, with strong troubleshooting and documentation skills.

Qualifications

• 7+ years of enterprise network engineering experience.
• Advanced knowledge of Cisco platforms (Catalyst, Nexus, ISR/ASR).
• Hands-on Fortinet experience (FortiGate, FortiManager, FortiAnalyzer).
• Strong routing, switching, and security design skills.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure across data centers, campuses, and remote locations.
• Engineer and support Cisco-based routing and switching environments (LAN/WAN, BGP, OSPF, MPLS).
• Deploy and manage Fortinet security and network platforms, including firewalls and SD-WAN solutions.
• Lead and support initiatives involving SASE architectures, Zero Trust networking, and cloud connectivity.
• Design and implement VXLAN / EVPN-based network segmentation and data center fabrics.
• Troubleshoot and resolve complex network performance and availability issues across the enterprise.
• Collaborate with cybersecurity, infrastructure, and application teams to ensure secure and resilient connectivity.
• Evaluate, recommend, and implement new networking technologies aligned to enterprise strategy.
• Develop and maintain network documentation, diagrams, and operational procedures.
• Provide on-call support and participate in incident response as required

Skills

Cisco networking

Fortinet technologies

Routing protocols (BGP, OSPF, EIGRP)

SD-WAN

VXLAN / EVPN

SASE concepts

Network troubleshooting

Documentation

Communication skills

Job description

Position Summary

MidFirst Bank is seeking a highly skilled Senior Network Engineer to support and evolve the enterprise network infrastructure. This role is responsible for the design, implementation, and operational support of complex networking environments, with a strong emphasis on Cisco and Fortinet technologies.

The ideal candidate will bring deep expertise in routing, switching, and modern network architectures, including SD-WAN, SASE, and VXLAN, and will play a critical role in ensuring the stability, scalability, and security of the bank's network environment.

Key Responsibilities

• Design, implement, and maintain enterprise network infrastructure across data centers, campuses, and remote locations
• Engineer and support Cisco-based routing and switching environments (LAN/WAN, BGP, OSPF, MPLS)
• Deploy and manage Fortinet security and network platforms, including firewalls and SD-WAN solutions
• Lead and support initiatives involving SASE architectures, Zero Trust networking, and cloud connectivity
• Design and implement VXLAN / EVPN-based network segmentation and data center fabrics
• Troubleshoot and resolve complex network performance and availability issues across the enterprise
• Collaborate with cybersecurity, infrastructure, and application teams to ensure secure and resilient connectivity
• Evaluate, recommend, and implement new networking technologies aligned to enterprise strategy
• Develop and maintain network documentation, diagrams, and operational procedures
• Provide on-call support and participate in incident response as required

Required Qualifications

• 7+ years of experience in enterprise network engineering or infrastructure roles
• Advanced knowledge of Cisco networking platforms (Catalyst, Nexus, ISR/ASR)
• Hands-on experience with Fortinet technologies (FortiGate, FortiManager, FortiAnalyzer)
• Strong expertise in:
  • Routing protocols (BGP, OSPF, EIGRP)
  • Switching technologies (VLANs, STP, port-channeling)
  • Network security and segmentation principles
• Experience with SD-WAN deployments and operations
• Working knowledge of SASE concepts and cloud-integrated networking models
• Experience with VXLAN / EVPN architectures in data center environments
• Strong troubleshooting and analytical skills across layered network environments
• Excellent communication and documentation skills

Preferred Qualifications

• Cisco certifications (CCNP or CCIE preferred)
• Fortinet NSE certifications (NSE 4 or higher preferred)
• Experience in financial services or regulated environments
• Exposure to cloud networking (Azure, AWS) and hybrid network architectures
• Experience with automation or scripting (Python, Ansible, or similar)

Why Join MidFirst Bank

• Stable, enterprise-scale environment with modern network transformation initiatives
• Direct impact on strategic initiatives such as SASE, VXLAN, and network modernization
• Collaborative IT and cybersecurity leadership environment
• Competitive compensation and comprehensive benefits package

This is an on-site position

Must reside within the market area to be considered.

Position requires a minimum of 3 years of relevant US based experience.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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