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Keywords: Information Systems Security Engineer, Location: Fort Belvoir, VA

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Senior Unix Engineer

. Required Qualifications: Bachelor’s degree in Computer Science, Information Systems or related field and 8–12 years of experience...Description The Digital Modernization Sector at Leidos currently has an opening for a Senior Unix Engineer to provide...

Company: Leidos
Location: Mount Vernon, VA
Posted Date: 21 Jan 2026
Salary: $107900 - 195050 per year

Senior Engineer – Systems Engineering, Integration, & Test

Systems Engineer to join our SEI&T team at Ft. Belvoir, VA. In this role, you'll directly impact the Missile Defense Agency...: Independently assess and define the security needs of missile defense systems—including sensors, interceptors, weapon systems...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 23 Jan 2026
Salary: $131300 - 237350 per year

Systems Engineer

Description The Leidos Security and Engineering Programs (SEP) is seeking a Systems Engineer for the Center... for Information Systems Security (CISS) program. This is a unique role which offers opportunities for growth in different areas...

Company: Leidos
Location: Mount Vernon, VA
Posted Date: 21 Jan 2026
Salary: $87100 - 157450 per year

Systems Engineer

Description The Leidos Security and Engineering Programs (SEP) is seeking a Systems Engineer for the Center... for Information Systems Security (CISS) program. This is a unique role which offers opportunities for growth in different areas...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 21 Jan 2026
Salary: $87100 - 157450 per year

Systems Engineering, Integration, & Test Engineer

a dynamic Junior level Systems Engineer to join our team at Redstone Arsenal, AL or Ft. Belvoir, VA. In this role, you'll... Robust Test Architectures: Assess and define the security needs of missile defense systems—including sensors, interceptors...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 21 Jan 2026
Salary: $57850 - 104575 per year

Zero Trust Information Systems Security Engineer

Zero Trust Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share... security and network security engineer, you can identify the information system security engineering needed to assess...

Posted Date: 08 Feb 2026
Salary: $86800 - 198000 per year

Information Systems Security Engineer

Information Systems Security Engineer The Opportunity: In this role, you will support a Cyber team working with the... and Tenable Security Center (SC) resources. Manage scan zones to ensure comprehensive coverage across varied network enclaves...

Posted Date: 08 Feb 2026
Salary: $77600 - 176000 per year

Information System Security Engineer

Job Description: Job Title: Information Systems Security Engineer (ISSE) Location: Ft. Belvoir, VA - 60% onsite... Information Systems Security Engineer (ISSE) to support system and network designs spanning multiple enclaves, including...

Company: Metronome
Location: Fort Belvoir, VA
Posted Date: 07 Jan 2026
Salary: $150000 - 175000 per year

Senior Information Assurance Engineer

various security designs and lessons learned Strong ability in conveying relevant systems engineering design information... for this Position General Dynamics Mission Systems has an immediate need for a Multilevel Security Enterprise Security Solution...

Company: General Dynamics
Location: Fort Belvoir, VA
Posted Date: 08 Feb 2026

Computer Security Systems Specialist

vulnerability assessments, perform penetration testing, implement intrusion detection/prevention systems, and configure security... and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean...

Posted Date: 18 Jan 2026

Computer Security Systems Specialist

vulnerability assessments, perform penetration testing, implement intrusion detection/prevention systems, and configure security... and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean...

Posted Date: 17 Jan 2026

Endpoint Security as a Service (ESS) Engineer

Description Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Systems... environment. You will ensure that our systems comply with the latest security patches and configurations. Your Impact Includes...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 03 Feb 2026
Salary: $92300 - 166850 per year

Endpoint Security as a Service (ESS) Engineer

Description Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Systems... environment. You will ensure that our systems comply with the latest security patches and configurations. Your Impact Includes...

Company: Leidos
Location: Mount Vernon, VA
Posted Date: 03 Feb 2026
Salary: $92300 - 166850 per year

Computer Systems Engineer - Pega Resource

! We are looking for an experienced Computer Systems Engineer - Pega Resource to join the National Airspace System (NAS) Integration Support Contract... (NISC IV) to support the Federal Aviation Administration in the Washington DC Office. As a Computer Systems Engineer – Pega...

Company: Leidos
Location: Mount Vernon, VA
Posted Date: 03 Feb 2026
Salary: $107900 - 195050 per year

Computer Systems Engineer - Pega Resource

! We are looking for an experienced Computer Systems Engineer - Pega Resource to join the National Airspace System (NAS) Integration Support Contract... (NISC IV) to support the Federal Aviation Administration in the Washington DC Office. As a Computer Systems Engineer – Pega...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 03 Feb 2026
Salary: $107900 - 195050 per year

ArcGIS Systems Engineer Subject Matter Expert

Description Leidos is seeking a ArcGIS Systems Engineer Subject Matter Expert in Fort Belvoir, VA to support the DTRA... lines. Upgrade ArcGIS Enterprise systems to the applicable or latest versions. Perform ArcGIS software patching...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 03 Feb 2026
Salary: $131300 - 237350 per year

Senior System Engineer w/Top Secret Clearance

Certification: Certified Information Security Manager (CISM) Certified Information Systems Security Professional (CISSP...) GIAC Security Leadership Certification (GSLC) Certified Chief Information Security Officer (CCISO) Cisco Certified...

Company: TekSynap
Location: Fort Belvoir, VA
Posted Date: 28 Jan 2026

Senior Engineer – Systems Engineering, Integration, & Test

: Independently assess and define the security needs of missile defense systems—including sensors, interceptors, weapon systems...Are you ready to take charge at the cutting edge of national defense? Leidos is seeking a dynamic Senior Systems...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 22 Jan 2026

Principal Systems Solutions Engineer

Security artifacts: Security Technical Implementation Guide (STIG) checklist, internetwork operating systems versions, Plan... and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean...

Posted Date: 18 Jan 2026

Systems Engineer

Engineer shall have the following qualifications: Five (5+) years of experience using key technologies: Load balancer... year-end processes, which may require close monitoring of systems during periods of intense workload, such as financial...

Company: Xenith Solutions
Location: Fort Belvoir, VA
Posted Date: 18 Jan 2026