Senior Network Engineer

Resource Management Concepts, Inc.•Bethesda, MD

11d•$175,000 - $205,000•Onsite

About The Position

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.

Requirements

Minimum of 12 years of progressive network engineering experience, with substantial focus within DoD, intelligence, or defense contractor environments.
Current, unexpired DoD 8570/8140 IAT Level III certification (CISSP, CASP+, GCIH, CISA, CCNP Security, CCSP or GCED).
Active DoD Top Secret (TS) clearance to start.
Deep expertise in enterprise-grade routing/switching platforms (Cisco Catalyst/Nexus).
Practical experience using SCAP tools, Nessus/ACAS scanning reports, and STIG Viewer to remediate network findings.
Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or related technical field (substantial relevant DoD experience may substitute).

Nice To Haves

Active Cisco Certified Network Professional (CCNP Enterprise) or Cisco Certified Internetwork Expert (CCIE).
Hands-on experience with software-defined networking (Catalyst Center, SD-WAN, Cisco ACI).
Working knowledge of cloud transit architectures (AWS GovCloud, Azure Government) connecting via DoD Cloud Access Points (CAP) or BCAP.
Prior experience configuring and maintaining enterprise monitoring platforms.

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.