Communications Security jobs in Arlington, VA

Senior Communications Security COMSEC Engineer

Fort Belvoir, Virginia

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Today

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success! JCS Solutions LLC is seeking a Senior Communications Security (COMSEC) Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DoW contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and

Full-time

USD 90,000.00 - 106,000.00 per year

Senior Communications Security (COMSEC) Engineer

Fort Belvoir, Virginia

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Today

GES is seeking a Senior Communications Security (COMSEC) Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DoW contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The Seni

Full-time

USD 110,000.00 - 125,000.00 per year

COMSEC Engineer

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities AS The COMSEC Engineer you will: Perform technical communications security engineering and execution support for classified systems and operational environments.Develop and evaluate cryptographic implementation

Full-time

USD 160,000.00 per year

Network Engineer

Herndon, Virginia

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Today

Overview VTG is seeking a Network Engineer located in WMA, VA. What will you do? Responsible for performing moderately complex network designs; performing upgrades to limited segments of the network, and performing routine network operations and maintenance (O&M). Address INFOSEC and COMSEC security requirements for the network. Work involves oversight and technical direction of system-wide issues requiring advanced levels of understanding of network theory and the specific enterprise network

Full-time

COMSEC Engineer Functional Lead

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As The COMSEC Engineer Team Lead you will: Provide senior technical leadership for communications security engineering in classified operational and system environments.Direct COMSEC engineering activities invol

Full-time

USD 159,000.00 per year

5G Cyber Security Engineer (Active TS/SCI Clearance)

Fort Meade, Maryland

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Today

Compass Point is looking for a 5G Cyber Security Engineer to work at Fort Meade, MD. To join our team of outstanding professionals, apply today! Assess the entire cybersecurity posture of the future 5G service and shall make recommendations to reduce support costs and shall expose and remediate configuration and operational security issues before they affect the future service offering. This Hybrid position requires that you live within commuting distance from Fort Meade, MD. Responsibilities

Full-time

USD 140,000.00 - 150,000.00 per year

Network Engineer

Washington, District of Columbia

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Today

SMS is looking for a Network Engineer to join our team. Since 1976, SMS has specialized in modernizing legacy IT and sustaining complex enterprise environments for federal agencies. With the goal of building long-term partnerships with our customers, we invest in our employees by providing the training, tools, and support they need to keep critical missions operational, improve performance, and reduce risk. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer

Full-time

Decentralized Services and Networks Tech SETA-DARPA, TS/SCI

Arlington, Virginia

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Today

Seeking experienced Technical SETA candidates to provide on-site support in the area of next-generation classified network development for enterprise-scale computing and operational functions. Successful candidates will provide expert technical advice and guidance to the government on all aspects of enhancing resilience and survivability against sophisticated cyber and physical threats. Candidates will support development of secure, variable-trust networks of decentralized services with novel in

Full-time

USD 150,000.00 - 250,000.00 per year

Cybersecurity Analyst - Post-Quantum Cryptography (PQC) and Cryptographic Inventory

Alexandria, Virginia

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Today

Job Description Overview We are seeking an experienced Post-Quantum Cryptography (PQC) Program Analyst / Cryptographic Modernization Specialist to support Department of Defense (DoD) enterprise cryptographic modernization initiatives and the Department's Post-Quantum Cryptography transition strategy. This role will focus on supporting cryptographic inventory management, policy development, migration planning, risk assessments, and implementation guidance to prepare enterprise systems for emergin

Full-time

Communication Security Operations Lead

Springfield, Virginia

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Today

Job ID: 2614716 Location: Springfield, VA, US Date Posted: 2026-07-20 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: ORA_HYBRID Description The Communication Security Operations Lead provides operational execution, and technical leadership for Department of State's (DOS) Communication Security Division's Operations support team. Thi

Full-time

USD 160,001.00 - 200,000.00 per year

Principle Industrial Security Representative

McLean, Virginia

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Today

Description Leidos has an exciting opportunity for a Principle Industrial Security Representative to support a large-scale program in Reston, VA. We are looking for someone with a strong background in counterintelligence awareness and briefings, personnel security clearance processing, and experience managing the physical security requirements of SCIFs for a customer within the intelligence community. The selected candidate will need to be well versed in NISPOM, Intelligence Community Directive

Full-time

USD 105,300.00 - 190,350.00 per year

Senior Information Systems Security Engineer - TS/SCI CI Poly

Chantilly, Virginia

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Today

Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA Senior ISSE Position Description: The Senior Information Systems Security Engineer provides support to the customer in the area of Cyber Security. Daily Tasks include, but are not limited to: Provides analytical and technical security recommendations to the customer Lead for the identification of projects' security requirements Participates in network design

Full-time

Communications Technology Project Lead

Washington, District of Columbia

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Today

Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to

Full-time

USD 135,000.00 per year

COMSEC Test Engineer

Chantilly, Virginia

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Today

COMSEC Test Engineer (CTE) Chantilly, VA Who We Are Aurex is a mission-focused aerospace and defense company building the next frontier of deterrence. From hypersonics and missile defense to hardened networks and orbital systems, we design, test, and deliver the platforms that turn unproven ideas into battlefield-ready capability. Born in Huntsville and built for speed, Aurex brings together aerospace veterans, combat-tested operators, and forward-leaning technologists to solve problems that mat

Full-time

USD 100,000.00 per year

Cybersecurity Analyst - Crypto Modernization

Alexandria, Virginia

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Today

Job Description Overview We are seeking a Cybersecurity Analyst - Crypto Modernization to support the Office of the Deputy CIO for Cybersecurity (DCIO-CS) in advancing Department-wide cryptographic modernization initiatives, key management programs, and future cryptographic transition efforts. This role supports the Department's Digital Modernization Strategy by providing technical research, policy analysis, systems engineering support, risk assessments, stakeholder coordination, and implementat

Full-time

Network Engineer- TS/SCI Clearance

Chantilly, Virginia

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Today

Overview Working across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful mission support to improve security, streamline logistics, and enhance readiness. Aligned around a shared purpose, our $4.5B company and 16,000 people work alongside our clients, here and abroad, to tackle their most complex challenges with integrity, respect, responsibility, and professionalism. We are seeking a Netwo

Full-time

Systems Administrator Sr - Ex Pat GERMANY - Secret

Bethesda, Maryland

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8d ago

Job Description What We're Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) team, is engineering, developing and integrating new capability for the Missile Defense System. Who We Are Lockheed Martin is a renowned leader in the defense technology industry, known for our commitment to innovation, mission success, and cutting-edge solutions. We foster a collaborative and dynamic work environment where our employees are driven by a shared passion for excellence

Full-time

USD 81,600.00 - 143,865.00 per year

Systems Engineer (Cleared)

Fort Meade, Maryland

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Today

Overview Bridge cloud and classified infrastructure for a federal enterprise cloud program. This role blends enterprise systems engineering with COMSEC subject matter expertise - advising the Government and the Cloud Service Providers on secure circuit connections, authorizations, and tactical edge integration. How You'll Make an Impact Provide expert COMSEC analysis IAW CNSSI No. 4009 and brief CSP COMSEC account managers on NSA compliance and best practices. Coordinate with DoD Strategic Part

Full-time

Sr. Cyber Security Analyst

Fort Belvoir, Virginia

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Today

Oneida Technical Solutions, LLC (OTS), established in 2014, is a trusted provider of IT and cyber solutions in highly complex, regulated, and secure environments. Our expertise spans the U.S. Department of Defense (DoD), healthcare, higher education, law enforcement, retail, casino gaming, and beyond. With a reputation for delivering innovative cyber capabilities and IT modernization projects, OTS accelerates the implementation of cutting-edge solutions for DoD and commercial clients. Oneida T

Full-time

Network Systems Engineer and Technical Adviser (SETA)

Chantilly, Virginia

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Today

Job ID: 2615210 Location: Chantilly, VA, US Date Posted: 2026-08-04 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description Summary of Position: SAIC is seeking an experienced Network Systems Engineer and Technical Advisor (SETA) to support a U.S. Government customer in the Chan

Full-time

USD 160,001.00 - 200,000.00 per year

Communications Security jobs in Arlington, VA 22203, USA