LAN/WAN Engineering Subject Matter Expert IV

Job Description

Job Description

Title: LAN/WAN Engineering Subject Matter Expert IV

Location: Alexandria, VA 

Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph

Description:

Invictus, a Red River company, delivers technology and services supporting government and national security missions. We combine cleared mission expertise with enterprise engineering, technology partnerships and large-program execution in support of advanced modernization, cybersecurity, intelligence and systems integration. Our teams support complex operational environments across the U.S. and around the world, helping customers strengthen resilience, accelerate mission outcomes and deploy capabilities that meet demanding mission requirements. Learn more at

Job Overview: The LAN/WAN Engineering SME is a recognized technical leader with deep expertise in service provider and enterprise networking, architecture, and automation, who is capable of guiding complex, high-risk programs and delivering cutting-edge solutions.

Job Duties:

• Lead the design, engineering, and automation of large-scale service provider and enterprise network infrastructures, including: SD-WAN, Spine-Leaf architectures, and VXLAN/EVPN fabrics, Juniper SSR and multi-vendor environments, Layer 2/3 encryption technologies
• Serve as a SME providing advanced analysis, research, and solutions for exceptionally complex networking challenges
• Provide strategic guidance to executive-level project teams, offering technical direction on architecture, integration, and system implementation
• Architect and implement routing and network virtualization solutions, including IS-IS, OSPF, MP-BGP, VRFs, Segment Routing, EVPN, VXLAN
• Develop and lead network automation and orchestration initiatives using Python, Bash, Ansible, Cisco NSO, Juniper Paragon/Routing Director, AI-assisted tooling and automation pipelines, Linux-based environments
• Oversee end-to-end system engineering lifecycle, including requirements analysis, system architecture, and interface design, integration, testing, and validation of complex hardware/software systems, and lifecycle optimization
• Provide leadership in network infrastructure design, including routers, switches, encryption devices, and supporting hardware/software systems
• Mentor technical teams as necessary, while establishing state-of-the-art engineering practices
• Coordinate closely with government stakeholders to ensure mission alignment and successful delivery
• Drive Agile-based development workflows, leveraging tools such as ServiceNow for workflow automation and operational process improvement

Requirements:

• Bachelor's degree from an accredited institute in a technical discipline; an additional 4 years of may be substituted in lieu of a degree
• Minimum eight (8) years of directly related technical experience
• Strong expertise in service provider/enterprise network design, including SD-WAN, Spine-Leaf, VXLAN/EVPN, and Layer 2/3 encryption
• Advanced knowledge of routing and network virtualization (IS-IS, OSPF, MP-BGP, VRFs, EVPN, VXLAN, Segment Routing)
• Experience with multi-vendor platforms (Cisco IOS-XR/XE, Juniper JUNOS)
• Proficiency in network automation and programmability (Python, Bash, Ansible; Cisco NSO, Juniper Paragon preferred)
• Solid understanding of network infrastructure, hardware, and encryption technologies, with experience in Linux environments
• Familiarity with Agile/DevOps practices, ServiceNow, and automation pipelines/AI-assisted tooling
• Demonstrated ability to solve complex problems and serve as a technical leader on high-impact programs
• DoD 8570 IAT II and CCNP (or equivalent) certifications
• Experience working in a DoD or IC
• Current active TS/SCI clearance, with the ability to obtain and maintain a CI polygraph

Equal Opportunity Employer/Veteran/Disabled