Network Infrastructure Engineer

About the role

You will support the customer's data communications network, maintain network hardware and software, and monitor the network to ensure availability for all system users. The position requires proficiency in Cisco network solutions, software‑defined networking, and firewalls from AWS, Google, and Microsoft. The Luke program provides DevOps, applied technology investigations, operations and maintenance, and infrastructure lifecycle support services across the ODNI enterprise, with support in Northern Virginia and Bethesda covering software engineering, O&M, technology investigations, customer advocacy, business process engineering, and system design.

Responsibilities

• Deploy, configure, maintain, and monitor all active network equipment (Cisco routers, switches, firewalls) to ensure seamless network operations.
• Troubleshoot and resolve network issues, implement security measures, and proactively optimize network performance.
• Monitor and resolve network‑related service tickets.
• Maintain Standard Operating Procedures (SOPs) and network design documentation.
• Set up user accounts, permissions, and passwords.
• Perform network upgrades to preserve system integrity and overall availability.
• Support and administer third‑party applications.
• Ensure security and efficiency of IT infrastructure in line with industry standards.

Qualifications

• Active TS/SCI clearance with Polygraph.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• Experience designing and building enterprise‑level network architectures.
• Experience supporting and troubleshooting production networks built on Cisco platforms.
• Strong knowledge of networking technologies and protocols: TCP/IP, static routing, OSPF, BGP, policy‑based routing, firewalls (zone‑based policies and ACLs), SSH, VPNs.
• Familiarity with network management platforms such as SolarWinds.
• Demonstrated understanding of IPv4 networks and network device hardening best practices.
• Knowledge of multiple operating systems (Microsoft, Unix, Linux, etc.).
• Attention to detail, problem‑solving mindset, critical thinking, and teamwork skills.

Desired skills and certifications

• Cisco CCNP certification or senior‑level expertise.
• Experience automating network tasks using Ansible or Python.
• Familiarity with cloud hosting solutions such as Amazon AWS, Microsoft Azure, and Google Cloud.
• VMware experience.
• CompTIA Network+, CCNA, or additional Cisco certifications.

Travel

Up to 25% local travel may be required.

What you can expect

A culture of integrity where character and innovation are central. You’ll join a high‑performing team dedicated to mission success, with autonomy supported by flexible time‑off benefits and robust learning resources. The environment emphasizes continuous growth, offering opportunities to advance both personal career goals and the organization’s legacy.

Pay

Proposed salary range: $120,800 – $265,800 (final compensation varies based on location, experience, skills, education, and contract factors).

Benefits

• Comprehensive healthcare coverage.
• Wellness programs.
• Financial and retirement plans.
• Family support resources.
• Continuing education and professional development.
• Generous time‑off benefits, including flexible time off.