Senior Network Engineer

Resource Management Concepts, Inc. (RMC) delivers innovative management and technology solutions to government and commercial clients. We are seeking a Senior Network Engineer to support Navy clients in the Carderock area of Bethesda, Maryland. This is a 100% on-site position.

We are seeking a minimum 12 years of dedicated hands-on experience designing, securing, and maintaining enterprise network architectures within Department of Defense (DoD) mission environments. You will serve as the technical authority for secure routed and switched campus networks, cross-domain enclaves, DISA circuits, and tactical-to-strategic integration, ensuring strict alignment with DISA STIGs and NIST cybersecurity controls.

Key Responsibilities:

• Architect, configure, and maintain high-availability Layer 2/3 local and wide area networks (LAN/WAN/CAN) across RDT&E, NIPR & SIPR.
• Lead the implementation and lifecycle management of routing protocols (BGP, OSPF, EIGRP), VRFs, MPLS, VXLAN, and IPsec/DMVPN overlays.
• Perform hard security baseline implementation using DISA Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs).
• Oversee network device accreditation and support the Risk Management Framework (RMF) assessment and authorization (A&A) process.
• Administer, troubleshoot, and harden next-generation firewalls and network access control systems (Cisco ISE / 802.1X).
• Interface directly with DISA, military leadership, and prime contractors to resolve circuit escalations, ASI (Authorized Service Interruptions), and mission-critical network incidents.
• Mentor mid-level engineers, review engineering change proposals (ECPs), and maintain precise as-built diagrams (Visio) and standard operating procedures.