Senior Network Engineer T4

Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Senior Network Engineer T4 to support KITS and our government customer Washington, DC. This position requires the candidate to be able to obtain a Public Trust.

Benefits include medical, dental, and vision insurance, 401(k) retirement plan, paid time off, paid parental leave, life and disability insurance, flexible spending accounts, commuter benefits and tuition reimbursement.

• medical
• dental
• vision insurance
• 401(k) retirement plan
• paid time off
• paid parental leave
• life and disability insurance
• flexible spending accounts
• commuter benefits
• tuition reimbursement

• Provide Tier 4 network engineering support across CLIENT's enterprise environment, including LAN/WAN, routing, switching, wireless, SD-WAN, and network security fabric
• Independently diagnose and resolve complex, cross-domain network incidents and problems without requiring escalation to government personnel
• Execute enterprise network changes and integrations in accordance with ITIL 4 change management practices
• Support the Network Engineer T4 (Lead) in planning and executing complex network projects and integrations
• Contribute to 24x7 NOC operations through on-call availability and documented escalation procedures

• Ensure all network work aligns with FISMA, NIST SP 800-53, and Zero Trust Architecture principles (NIST SP 800-207, OMB M-22-09)
• Apply least-privilege and separation-of-duties principles in all network engineering activities
• Support FedRAMP compliance for cloud-connected network components
• Adhere to CLIENT cybersecurity policies and procedures at all times

• Support integration and operations of on-premises and cloud network infrastructure across AWS commercial, AWS Gov Cloud, Microsoft Azure Government, and Microsoft 365 environments
• Assist in SD-WAN operations and optimization across CLIENT's geographically distributed enterprise
• Collaborate with infrastructure, platform, and cloud teams to ensure reliable connectivity and performance

• Maintain and update network documentation, diagrams, and configurations in the ITSM platform and knowledge base
• Develop and maintain standard operating procedures for network tasks and escalation paths
• Support cross-training efforts to ensure coverage continuity and team depth
• Contribute to after-action reviews and Sprint Retrospectives with actionable improvement recommendations

• Minimum 6–8 years of hands-on enterprise network engineering experience
• Demonstrated experience in a Federal or private-sector enterprise environment of comparable scale, complexity, and security posture
• Proven ability to independently resolve complex, cross-domain network problems at the enterprise level
• Experience supporting hybrid on-premises and cloud network environments
• Experience executing enterprise network changes in accordance with formal change management processes
• Ability to obtain a Public Trust

• Advanced proficiency in:
• Enterprise LAN/WAN architecture and operations
• Routing protocols (BGP, OSPF, EIGRP)
• Switching technologies (VLANs, STP, port aggregation)
• Wireless enterprise networking
• SD-WAN design and operations
• Network security fabric and firewall management
• Strong working knowledge of:
• AWS and Azure cloud networking
• Zero Trust Network Architecture
• Network monitoring and event management tools
• ITSM platforms (e.g., Service Now)
• Network automation tools and scripting

• Cisco Certified Network Professional (CCNP) – Enterprise or Security (required minimum)
• Additional preferred certifications:
• Cisco…