Sr. Network Engineer

2 days ago Be among the first 25 applicants

Get AI-powered advice on this job and more exclusive features.

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation’s toughest challenges—and we're committed to the long-term well‑being of our employees. MITRE is a not‑for‑profit corporation chartered to work for the public interest with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation.

We’re making a difference every day‑working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and partnership.

MITRE’s Network Engineering Team seeks a highly skilled and motivated Sr. Network Engineer with 5+ years of experience in advanced routing protocols (OSPF, ISIS, BGP), creating network and MPLS overlay designs for LAN/WAN, and configuring Cisco ISE infrastructure and policies for 802.1X.

• Implement the operational design, deployment, and management of Cisco ISE infrastructure and 802.1X policies.
• Create and contribute to network routing designs based on OSPF, ISIS, and BGP to ensure high availability, efficiency, and performance.
• Manage and administer enterprise network switches and routers from Cisco and Juniper, implementing and maintaining IOS and Junos OS updates.
• Develop and update critical network documentation and design guides, including ConOPS, SOP/MOP’s, and network diagrams.
• Act as escalation for routing and network troubleshooting for junior team members.

• Contribute to operational excellence by establishing clear procedures and processes for the department.
• Collaborate with teams to improve automation and management toolkits, ensuring proper monitoring, alerting, and metrics collection for system and network reliability.
• Identify and resolve network issues, ensuring minimal downtime and maximum efficiency.
• Collaborate with cross‑functional teams to align network designs with organizational goals and mission requirements.

• Provide technical guidance to the engineering team in routing and ISE, and mentor junior engineers.
• Collaborate with stakeholders across MITRE to understand mission needs and translate them into network solutions and designs.
• Stay abreast of emerging technologies and industry trends to keep MITRE at the forefront of innovation.

• Create and maintain detailed documentation of network designs, configurations, and processes (ConOPS, SOP/MOPs, network maps).
• Ensure compliance with organizational policies, industry standards, and government regulations.

• Typical requirements: minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with relevant experience.
• 4+ years of experience in network engineering, focusing on routing protocols, Cisco ISE, and MPLS overlay networks.
• Experience in Juniper routers and switches, SRX, and MIST.
• Understanding of OSPF, ISIS, and BGP, including troubleshooting and optimization.
• Experience with 802.1X network authentication, authorization, and accounting systems such as Cisco ISE.
• Strong analytical and problem‑solving skills to resolve complex technical issues.
• Excellent communication and collaboration skills for effective teamwork.
• Must be eligible to obtain a Secret clearance and will be subject to a government security investigation after hiring.
• Participate in an on‑call rotation to provide 24/7 network operation support, including on‑site after‑hours support if necessary.
• This position requires a minimum of 50% hybrid on‑site.

• Certifications such as CCNP (Cisco) or JNCIP (Juniper).
• Experience managing and administering…