Sr. Network Engineer

The Senior Network Engineer is responsible for designing, implementing, and maintaining GEHA's enterprise network infrastructure. This role requires advanced technical expertise, strong troubleshooting skills, and leadership in guiding network modernization initiatives, including our transition to Microsoft Azure. The Senior Network Engineer will serve as a subject matter expert, mentor junior engineers, and collaborate across IT teams to ensure secure, scalable, and resilient network operations.

• Configure and maintain
  Cisco DNA Center / Catalyst Cente
  r for automation and assurance
• Configure and support
  Cisco AC
  I and
  SD-Acces
  s solutions for software-defined networking
• Manage and optimize
  NXOS (Nexus Operating System
  ) environments
• Administer and troubleshoot
  F5 load balancer
  s and
  Citrix Netscaler
  s
• Support migration and integration of workloads into
  Microsoft Azur
  e, including
  Azure load balancers, firewalls, and VPN gateway
  s
• Apply
  basic firewall knowledg
  e with
  Palo Alto firewall
  s, including rule creation, VPN configuration, and security policy enforcement
• Utilize
  ThousandEye
  s for end-to-end network visibility and performance monitoring
• Deploy, and manage enterprise network infrastructure across LAN, WAN, WLAN, and cloud environments
• Provide Tier 3 escalation support for complex network issues
• Document designs, configurations, and operational procedures
• Mentor junior engineers and contribute to knowledge-sharing initiatives

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)
• Additional years of qualifying work experience may be considered in lieu of formal education
• Requires four-eight years of experience implementing systems and networking environments in large managed environment which may include virtualization, Citrix, Microsoft, telecommunications, call center environments, voice services and gateways, knowledge of storage area networking (SAN), servers with varying operating systems and an understanding of the security, integrity and the safety of company operational efficiencies plus other related products
• 5+ years of CCNP-level experience
• 5+ years of experience in enterprise networking roles

Preferred Qualifications

• CCNP certification or higher (highly preferred
• Microsoft Azure AZ-700 certification (Designing and Implementing Microsoft Azure Networking Solutions)
• CCIE or equivalent advanced certifications. (CCIE is one step higher than CCNP)
• Experience with Python automation tools
• Experience with Zero Trust frameworks

Additional Job Description

• Excellent communication skills — able to explain technical concepts clearly to peers, leaders, and vendors
• Team player with a collaborative approach and a commitment to GEHA's core values
• Hard-working and dependable, with strong ownership of assigned tasks and follow-through
• Curious and eager to learn, staying current with emerging networking and cloud technologies
• Ability to work independently and manage multiple priorities effectively
• Calm and professional under pressure, especially during incident response situations
• Strong analytical thinking and problem-solving skills
• Excellent collaboration and communication across technical and non-technical teams
• Proven leadership and mentoring abilities
• Adaptability in dynamic environments with evolving technologies
• Customer focus – ensures reliability and performance for end-users
• Strategic mindset aligning network initiatives with business goals