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The Senior Network Engineer optimizes and supports complex network systems, implements robust solutions for performance enhancement, and collaborates across teams in security environments.

As a Senior Network Engineer, you will support network architecture design and sustainment, providing technical expertise and support for multiple ACC bases.

The role involves designing, securing, and maintaining network infrastructure, troubleshooting Cisco networks, and ensuring C4ISR system support for RPA operations.

Leidos is seeking IT professionals for the SEC ISS2 contract to manage IT infrastructure, including customer support and network operations. Candidates with SEC experience or Public Trust clearance preferred.

As a Network Engineer, provide expertise in LAN architecture, network configurations, troubleshooting, training, and communication with military customers, supporting Air Combat Command operations.

Lead and perform full‑spectrum digital media forensic examinations, manage evidence handling, develop advanced forensic workflows, integrate emerging tools, and train/mentor analysts in support of high‑stakes national security investigations.

The specialist provides PKI RA support, including issuance of certificates, LRA management, key recovery, and audit support for the USMC.

Provide daily system administration and O&M for a distributed network environment: monitor infrastructure, respond to help desk incidents, perform IAVA remediation and security scans, support data center setup, maintain documentation, participate in projects, be on-call as needed, travel up to 10%, and report monthly to Annapolis. Must hold TS/SCI with Polygraph.

The Network Engineer II designs, implements, and maintains network systems while optimizing performance and supporting users. Responsibilities include managing network devices and infrastructure, ensuring compliance, and providing technical support across sites.

As a Network Engineer, support the Department of the Air Force by providing expertise in LAN architecture, monitor and maintain network systems, and facilitate training for operations teams.