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Senior Network Engineer/SME Security Clearance
Job in
Arlington, Arlington County, Virginia, 22202, USA
Listed on 2026-07-23
Listing for:
Amentum
Full Time
position Listed on 2026-07-23
Job specializations:
-
Engineering
Systems Engineer, Cybersecurity -
IT/Tech
Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Purpose and Impact:
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.
Work Schedule:
Work is typically performed, Monday through Friday 8-hour days onsite. Flexibility within a 2-week pay period to reach 80 hours.
Essential Responsibilities:
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.
Minimum Requirements (Knowledge, Skills, and Abilities):
* 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 Solar Winds 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 #javelin This position is not designated as a safety sensitive position. As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process.
Please note that…
Position Requirements
10+ Years
work experience
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