Computer Network Security Analyst Jobs in Reston, VA

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Enterprise Architect / Systems Engineer

Leidos

•

Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Enterprise Architect / Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and
Posted 59 days ago | Updated 1 hour ago

Systems Administrator

Lockheed Martin Corporation

•

Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 60+ days ago | Updated 1 hour ago

Senior DevOps Engineer- Autonomous Database (Join OCI-Ns2)

Oracle Corporation

•

Reston, Virginia, USA

Full-time

Job Description NOTE: Candidate MUST POSSESS U.S. CITIZENSHIP as this role will support Oracle's Government Customers TS/SCI w/Poly Security Clearance Required Are you interested in the exciting challenges of building and operating large-scale distributed infrastructure for the cloud? Oracle's Cloud Infrastructure (OCI) National Security Sector Group is building its next generation of Cloud IaaS/PaaS/SaaS technologies that operate at high scale in a broadly distributed multi-tenant environmen
Posted 53 days ago | Updated 1 hour ago

Senior Systems Engineer

General Dynamics

•

Alexandria, Virginia, USA

Full-time

This is an unpaid fellowship through the Department of Defense (DoD) SkillBridge Program. The fellow selected for this role will not receive compensation or benefits from GDIT and will not be an employee, agent or contractor of GDIT but rather will remain an employee of the DoD and will receive compensation and benefits through the DoD. Type of Requisition: Regular Clearance Level Must Currently Posses: Top Secret Clearance Level Must Be Able To Obtain: Top Secret Public Trust/Other Required
Posted 60+ days ago | Updated 1 hour ago

Sr. Network/ Tele-Communications Engineer

Summit Technologies

•

Washington, District of Columbia, USA

Contract

Summit Technologies, Inc. is looking for a Sr. Network/ Tele-Communications Engineer to join our client s team in Washington, DC. The Network / Tele-Communications Engineer s primary responsibilities include designing, deploying, and managing the clients Network and Cisco Unified Communication systems. The ideal candidate will bring over 8 years of technical expertise, leadership experience, and a results-driven mindset to ensure seamless communication solutions that meet our business goals. Th
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Posted 11 days ago

Modeling Simulation SW Engineer

SAIC

•

Arlington, Virginia, USA

Full-time

Job ID: 2503260 Location: ARLINGTON, VA, US Date Posted: 2025-05-05 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description The Missile Defense Modeling and Simulation team at SAIC is seeking a Modeling and Simulation (M&S) software developer to support the customer in a fast-paced environment with simulation-driven assessments an
Posted 60+ days ago | Updated 11 hours ago

SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VA

SAP Americas, Inc.

•

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i
Posted 15 days ago | Updated 1 hour ago

Principal Network Engineer

Leidos

•

McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Network Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ves
Posted 60+ days ago | Updated 1 hour ago

Industrial Security Representative

Leidos

•

Arlington, Virginia, USA

Full-time

Description Leidos Digital Modernization Sector is seeking an Industrial Security Representative (ISR) supporting at our customer site at The Pentagon in Arlington, VA. As the ISR, you will support one of its critical customers in the areas of PERSEC, PHYSEC, COMSEC, INFOSEC, INDSEC, and general security administration. The position will be a part of the Leidos Defense/Intel IT Business Area. The ISR works under the guidance of the Leidos Defense & Intel IT, Business Area Security Manager in the
Posted 5 days ago | Updated 1 hour ago

ISSE/Security Engineer - TS/SCI with Polygraph

General Dynamics

•

Herndon, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Information Systems, System Security, Systems Engineering Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an ISSE/Security Enginee
Posted 42 days ago | Updated 1 hour ago

Software Architecture Engineering and Cloud Computing Engineer

Aerospace Corporation

•

Arlington, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 1 hour ago

Chief Security Officer (CSO)

Swift

•

Manassas, Virginia, USA

Full-time

ABOUT US We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy. We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can
Posted 60+ days ago | Updated 10 hours ago

Information Security Engineer

Congressional Budget Office

•

Washington, District of Columbia, USA

Full-time

The Congressional Budget Office is a small nonpartisan agency that provides independent, objective economic and budget analysis to the Congress. The agency seeks a skilled and experienced information security engineer to manage an effective program to protect its information systems. The information security engineer develops and applies the tools and approach necessary to protect CBO s network and computer systems. This position involves a composite of engineering expertise with hands-on incide
Posted 11 days ago | Updated 5 days ago

Oracle Cloud Engineer

ManTech

•

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Oracle Cloud Engineer to join our team in Herndon, Virginia. The Oracle Cloud Engineer will be tasked to design, implement, and maintain cloud-based solutions on Oracle Cloud Infrastructure (OCI) supporting a high priority mission at one of our National Intelligence Customers. In this role, you will work closely with architects, DevOps, and database teams to optimize Oracle cloud environments, ensure security and scalability, and support m
Posted 18 days ago | Updated 1 day ago

OCONUS Field Engineer - TS/SCI Polygraph Required

Leidos

•

Chantilly, Virginia, USA

Full-time

We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as such, this individual must be an excellent problem solver and work well in a collaborative team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowle
Posted 60+ days ago | Updated 1 hour ago

DevOps Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

DevOps Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a motivated and innovative DevOps Engineer to join our team and help bridge the gap between development and operations. In this role, you will design, implement, and manage automated workflows and pipelines to enhance software delivery and system reliability. You will collaborate closely with development, QA, and IT teams to optimize per
Posted 60+ days ago | Updated 1 hour ago

DevOps Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

DevOps Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a motivated and innovative DevOps Engineer to join our team and help bridge the gap between development and operations. In this role, you will design, implement, and manage automated workflows and pipelines to enhance software delivery and system reliability. You will collaborate closely with development, QA, and IT teams to optimize per
Posted 60+ days ago | Updated 1 hour ago

Sr Assoc, Software Engineer (Herndon, VA)

Harris Corporation

•

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 7 days ago | Updated 1 hour ago

ISSO Cybersecurity Assessment and Authorization Analyst

Leidos

•

Arlington, Virginia, USA

Full-time

The Leidos Digital Modernization Sector has a career opportunity for an ISSO Cybersecurity A&A Analyst in support of the Air Force National Capital Region IT Services program. The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (
Posted 25 days ago | Updated 1 hour ago

Security Engineer (ISSE)

Global Channel Management, Inc.

•

Fort Belvoir, Virginia, USA

Full-time

Security Engineer (ISSE) needs 9+ years of experience as an ISSE or security-focused software / systems engineer with large multi-tiered programs Security Engineer (ISSE) requires: Security Clearance - A current TS/SCI level U.S. Government clearance with CI Poly is required; U.S. Citizenship required. Experience implementing DoD system accreditation processes (DIACAP acceptable and RMF preferred). A working knowledge of TCP/IP suite of protocols and services, computer architectures, and networ
Posted 60+ days ago | Updated 17 days ago