> Markdown version of [/jobs/ext/1829989-senior-network-engineer-sme](https://www.wearedevelopers.com/jobs/ext/1829989-senior-network-engineer-sme). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer/SME - **Company:** Amentum Services, Inc. - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $235,000.0 - $265,000.0 - **Contract:** Permanent contract - **Skills:** Computer Networks, Data Transmissions, Internet Protocol, Virtual Private Networks (VPN), Network Layer, Routing, Information Technology, SolarWinds (Software), Cisco - **Published:** July 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9014120/senior-network-engineersme ## About the Role Amentum is seeking a Sr. Network Engineer/SME to join our dynamic team supporting our customer in the National Capital Region. In this position you'll be a part of a team that shapes the strategic future for our clients and defines the strategy to get them there. This position requires an active DoD TS/SCI security clearance that has been adjudicated in the last 5 years or designated CE and the ability to obtain and maintain special accesses., * Active TS security clearance with SCI eligibility is required with adjudication within the last 5 years and the ability to obtain and maintain special accesses. * Cisco Certified Network Professional (CCNP) or other equivalent industry certification * 10 or more years' experience with an emphasis in networking, information technology, along with a strong troubleshooting background in networking and communications equipment * Knowledge and experience with General Dynamics Encryptor Manager (GEM One) software and services * Knowledge and experience with SolarWinds suite of products and tools. * A subject matter expert (SME) for Voice, Video and Data Communications Systems * Significant familiarity with High Assurance IP Encryptors COMSEC devices with the ability to demonstrate proficiency in Internet Protocol communications principles, technical analysis, and problem solving. * Good communication and time management skills. * Position requires limited (5-10%) travel per year. Security Clearance Required: * TS/SCI - This position requires an active DoD TS/SCI security clearance that has been adjudicated in the last 5 years or designated CE and the ability to obtain and maintain special accesses. Minimum Education: * BS degree in Engineering, Computer Science, Telecommunications, Project Management, or related discipline. Minimum Years of Experience: * 15 years Required Certifications: * Cisco Certified Network Professional (CCNP) or other equivalent industry certification * Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation * CompTIA IT Security+ Preferred Qualifications: * MS degree in Engineering, Computer Science, Telecommunications, Project Management, or related discipline or 20+ years of Department of Defense (DoD) operational experience with communications-electronic systems and voice, video, and data networks * Project Management Professional Certification ## Description Serve as a Sr. Network Engineer/SME guiding the operational and technical aspects of our client's unique mission. * Be part of a collaborative core network team supporting the end-to-end planning, design, installation, and configuration of a medium sized IP network. * Provide technical expertise using knowledge of advanced routing and switching technologies, service builds including layer 3 VPN services, and infrastructure security. * Work with team members to identify and resolve complex issues involved in designing/planning inside plant and outside plant network infrastructures. * Advise the customer on the development of technical approaches to solving integration and interoperability related problems; to include formulation and execution of acquisition strategies. * Advise the customer on relevant policies, directives, plans, or CONOPS developments that impact technical strategies, integration, or deployment efforts. * Develop and present briefings and/or technical papers, to convey project status, objectives, and strategic milestones to managers; identify and quantify risks that would affect the quality, timeliness, and cost of project services and deliverables; recommend risk avoidance and mitigation plans. * Participate as expert advisor to and on behalf of the customer in various communication planning working groups; review meetings and technical exchanges with vendors and mission partners; ensure knowledge creation/sharing and integration within and across the client's enterprise. * Apply technical expertise to analyze, evaluate, and make recommendations to support integration of fixes, modifications, and enhancements into future and existing operational architecture. Work Environment, Physical Demands, and Mental Demands: * Inside office/cubicle environment. Requires ability to interact professionally with co-workers and all levels of management. * Requires ability to operate a personal computer, a telephone, copier, and other general office equipment., Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. 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