Senior Network Engineer T4

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, 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

Key Responsibilities

Network Engineering & Operations

• 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

Security & Compliance

• 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

Cloud & Hybrid Network Support

• Support integration and operations of on-premises and cloud network infrastructure across AWS commercial, AWS GovCloud, 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

Documentation & Knowledge Management

• 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

Experience

Required Qualifications

• 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

Technical Expertise

• 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., ServiceNow)
• Network automation tools and scripting

Required Certifications (Must Be Current And Unexpired Throughout Performance)

• Cisco Certified Network Professional (CCNP) – Enterprise or Security (required minimum)
• Additional preferred certifications:
• Cisco Certified Internetwork Expert (CCIE) – Enterprise Infrastructure or Security
• AWS Certified Advanced Networking – Specialty
• Microsoft Azure Network Engineer Associate (AZ-700)
• CompTIA Security+ (or equivalent)

Performance Expectations

As a Tier 3/Tier 4 position, the selected individual:

• Must meet or exceed the expertise and certification expectations outlined in Section B.2.10.2 of the contract — this standard applies to 100% of Tier 3/Tier 4 positions
• Must operate autonomously, diagnosing, deciding, and resolving complex network issues within delegated authority without escalation to government personnel for subject-matter knowledge
• Must maintain on-call availability outside core business hours to support escalation and coverage continuity
• Any replacement personnel must meet or exceed the qualifications of the incumbent with no degradation to performance, coverage, or expertise
• Must support 100% coverage continuity objectives, including serving as a qualified backup to the Network Engineer T4 (Lead) as needed

Our Equal Employment Opportunity Policy

The company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race, color, religion, creed, ethnicity, sex, sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), national origin or ancestry, age, disability, citizenship, military/veteran status, marital status, genetic information or any other characteristic protected by applicable federal, state, or local law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.

Koniag Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions, Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag, we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical, professional, and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers, employees, and native communities. For more information, please visit www.koniag-gs.com.

Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352