Senior Network Engineer

Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Minimum 12 years of hands-on experience in network architecture design for DoD environments.
  • Active DoD Top Secret (TS) clearance required.
  • Strong certification in cybersecurity compliance (IAT Level III) is essential.
  • Proficient in using enterprise-grade Cisco routing and switching platforms.
  • Experience with STIGs and cybersecurity baselining tools for network remediation.
  • Bachelor's degree in Computer Science or related field, with equivalent DoD experience considered.

Responsibilities

  • Architect and maintain high-availability LAN/WAN/CAN networks across multiple environments.
  • Lead routing protocol implementation and lifecycle management.
  • Implement security baselines following DISA STIGs and SRGs.
  • Oversee network device accreditation and risk management framework processes.
  • Administer and secure next-gen firewalls and access control systems.
  • Collaborate with military and DISA leadership on network escalations and incidents.
  • Mentor junior engineers and maintain operational documentation.

Benefits

  • Commitment to employee career growth with ongoing training and certification support.
  • Competitive paid vacation package including 11 federal holidays.
  • Access to comprehensive healthcare plans with low deductibles.
  • Offering pet insurance as an employee benefit.
  • Attractive 401K package to support long-term savings.
Full Job Description
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.

Requirements

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.

Benefits

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).

About Resource Management Concepts, Inc.

Resource Management Concepts, Inc. Careers

Joining Resource Management Concepts, Inc. presents an unparalleled opportunity to advance one's career amidst a team of professionals dedicated to innovation and excellence. As a leader in providing high-quality technical solutions, Resource Management Concepts, Inc. is the perfect place for talented individuals looking to make a significant impact in their professional lives.

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Resource Management Concepts, Inc. offers a variety of job opportunities that cater to a range of skills and interests. Each position is designed to challenge team members while providing them with the chance to grow both personally and professionally. From technical roles to leadership positions, Resource Management Concepts, Inc. ensures that every team member can find a path that best suits their career ambitions.

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Resource Management Concepts, Inc. believes that diversity drives innovation. The company is committed to creating an inclusive environment where diverse voices are heard and valued. Through diversity training and leadership programs, the company fosters a culture of openness and respect that enhances team performance and creativity.

Benefits and Culture

Resource Management Concepts, Inc. is dedicated to supporting its employees by offering a comprehensive benefits package that addresses health, financial security, and work-life balance. The company culture is built on a foundation of respect, integrity, and collaboration, making Resource Management Concepts, Inc. not just a great place to work, but a community.

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Employees at Resource Management Concepts, Inc. are encouraged to continuously develop their skills through professional development opportunities and leadership training programs. The company supports career advancement through internal promotions and networking opportunities, ensuring that every employee has the resources to succeed.

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The hiring process at Resource Management Concepts, Inc. is designed to be transparent and efficient, starting from the initial application to the final interview. Candidates are encouraged to showcase their skills and experience in their resumes and during interviews, where they meet with current team members who are eager to welcome new talents to the company.

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