Senior Network Engineer Tier 4 – Federal IT & Networking

Koniag Government Services; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) retirement plan

PTO

Parental leave

Life and disability insurance

Flexible spending accounts

Commuter benefits

Tuition reimbursement

Job summary

Koniag IT Systems, LLC, a Koniag Government Services company, seeks a Senior Network Engineer T4 to support a Washington, DC government client. The role requires ability to obtain a Public Trust and hands-on enterprise networking across LAN/WAN, SD-WAN, and hybrid cloud.

Responsibilities include leading Tier 4 network engineering, ITIL-aligned changes, documentation, and 24x7 NOC coverage. 6–8 years in federal or comparable environments and CCNP-type certifications are required; CCIE and cloud

Qualifications

• Minimum 6–8 years of hands-on enterprise network engineering experience.
• Demonstrated experience in 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.

Responsibilities

• Provide Tier 4 network engineering support across the enterprise (LAN/WAN, routing, switching, wireless, SD-WAN, security fabric).
• Diagnose and resolve complex cross-domain network incidents without escalation.
• Execute enterprise network changes per ITIL 4 change management practices.
• Support Network Engineer Lead in planning and executing complex projects and integrations.
• Contribute to 24x7 NOC operations via on-call availability and documented escalations.
• Ensure work aligns with FISMA, NIST SP 800-53, and Zero Trust Architecture (NIST SP 800-207, OMB M-22-09).
• Apply least-privilege and separation-of-duties in all activities.
• Support FedRAMP compliance for cloud-connected network components.
• Adhere to CLIENT cybersecurity policies and procedures.
• Support integration and operations of on-premises and cloud network infrastructure across AWS GovCloud, AWS commercial, Microsoft Azure Government, and Microsoft 365.
• Assist in SD-WAN operations and optimization across distributed enterprise.
• Collaborate with infra, platform, and cloud teams to ensure reliable connectivity and performance.
• Maintain and update network documentation, diagrams, and configurations in ITSM and knowledge base.
• Develop and maintain standard operating procedures for network tasks and escalation paths.
• Support cross-training to ensure coverage continuity and team depth.
• Contribute to after-action reviews and Sprint Retrospectives with improvements.

Skills

LAN/WAN architecture

Routing protocols (BGP, OSPF, EIGRP)

Switching technologies (VLANs, STP)

Wireless networking

SD-WAN design & operations

Network security fabric

Cloud networking (AWS/Azure)

Zero Trust Architecture

Network monitoring & event management

Network automation & scripting

CCNP – Enterprise/Security

CCIE – Enterprise Infrastructure/Secut

AWS Advanced Networking – Specialty

AZ-700

Security+

Tools

ServiceNow

Job description

Koniag IT Systems, LLC, a Koniag Government Services company, seeks a Senior Network Engineer T4 to support a Washington, DC government client. The role requires ability to obtain a Public Trust and hands-on enterprise networking across LAN/WAN, SD-WAN, and hybrid cloud.

Responsibilities include leading Tier 4 network engineering, ITIL-aligned changes, documentation, and 24x7 NOC coverage. 6–8 years in federal or comparable environments and CCNP-type certifications are required; CCIE and cloud