Senior Network Engineer

Resource Management Concepts, Inc.; Bethesda (MD); On-site; USD 175,000 - 205,000; Full time

Benefits offered by this job

Paid vacation + 11 holidays

High-quality health care plans

Pet insurance

401K package

Job summary

Resource Management Concepts, Inc. (RMC) seeks a Senior Network Engineer to support Navy clients in the Carderock area of Bethesda, Maryland. This 100% on-site role requires hands-on expertise in secure routed/switching campus networks and DoD environments.

You will design, implement, and harden enterprise networks, manage RMF A&A processes, and mentor junior engineers while coordinating with DISA and prime contractors. A TS clearance and IAT Level III cert are required.

Qualifications

• 12+ years of progressive network engineering experience in DoD or defense environments.
• Active DoD TS clearance required.
• DoD 8570/8140 IAT Level III certification (CISSP, CASP+, GCIH, CISA, CCNP Security, CCSP or GCED).

Responsibilities

• Architect, configure, and maintain high-availability LAN/WAN/CAN networks across RDT&E, NIPR & SIPR.
• Lead routing protocols (BGP, OSPF, EIGRP), VRFs, MPLS, VXLAN, IPsec/DMVPN overlays.
• Implement DISA STIGs/SRGs for baseline security.
• Oversee RMF A&A processes for network systems.
• Harden firewalls and NAC systems (Cisco ISE/802.1X).
• Interface with DISA and contractors to resolve network incidents.
• Mentor mid-level engineers and maintain as-built diagrams and SOPs.

Skills

DoD network engineering

Cybersecurity standards

Network design

Leadership mentoring

Threat mitigation

Education

Bachelor’s degree in CS/IT/Comp Eng

Tools

Cisco Catalyst/Nexus

SCAP tools

Nessus/ACAS

STIG Viewer

Job description

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.

Required Qualifications

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

Preferred Qualifications

• 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.

At RMC, we’re committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees. RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. This includes a competitive paid vacation package with 11 paid federal holidays. We also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including but not limited to location, a candidate’s specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $175,000 to $205,000 (annually).