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Keywords: LINUX Engineer - Active Top Secret Required, Location: USA

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Software Engineer with Poly SR SWE1

. Paid time off for work/life balance. And more Basic Qualifications: Active Top Secret clearance with polygraph Seven... of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance...

Posted Date: 17 Jan 2026
Salary: $86100 - 151800 per year

Cybersecurity Engineer

. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance is required for this position. Applicants selected.... US Citizenship is required to obtain a clearance. Requirements: Active Top Secret Security Clearance and SCI eligible Builds...

Company: SimVentions
Location: Virginia Beach, VA
Posted Date: 07 Jan 2026
Salary: $80000 - 130000 per year

Cybersecurity Engineer

. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance is required for this position. Applicants selected.... US Citizenship is required to obtain a clearance. Requirements: Active Top Secret Security Clearance and SCI eligible Builds...

Company: SimVentions
Location: Portsmouth, VA
Posted Date: 07 Jan 2026
Salary: $80000 - 130000 per year

Cybersecurity Engineer

. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance is required for this position. Applicants selected.... US Citizenship is required to obtain a clearance. Requirements: Active Top Secret Security Clearance and SCI eligible Builds...

Company: SimVentions
Location: Norfolk, VA
Posted Date: 07 Jan 2026
Salary: $80000 - 130000 per year

Cybersecurity Engineer

. Travel: Negligible Clearance: An ACTIVE Top Secret Clearance is required for this position. Applicants selected.... US Citizenship is required to obtain a clearance. Requirements: Active Top Secret Security Clearance and SCI eligible Builds...

Company: SimVentions
Location: Chesapeake, VA
Posted Date: 07 Jan 2026
Salary: $80000 - 130000 per year

Principal Network Engineer

Description Leidos currently has an opening for a Principal Network Engineer to work out of our Orlando, FL office... is a top modernization priority for the DAF and will be the backbone of a network-centric approach to battle management...

Company: Leidos
Location: Kissimmee, FL
Posted Date: 15 Jan 2026
Salary: $116350 - 210325 per year

Sr Network Engineer / Active Top Secret / Beltsville, MD

. U.S. citizenship required. Active Top-Secret security clearance. Preferred: 14 years with Bachelor's degree Peraton Overview...Responsibilities Peraton is seeking a Sr Network Engineer with the Federal Strategic Cyber programs to support a high...

Company: Peraton
Location: Beltsville, MD
Posted Date: 17 Jan 2026

Cybersecurity Engineer - VMware Systems Architect, Active Top Secret

(or Associate) GCED GCIH CCSP Clearance & Additional Requirements: Active Top Secret clearance or higher, with SCI...Responsibilities Peraton is currently seeking to hire a Cybersecurity Engineer - VMware Systems Architect. Location...

Company: Peraton
Location: Virginia Beach, VA
Posted Date: 04 Jan 2026
Salary: $104000 - 166000 per year

Qualys Security Engineer- Active Secret Clearance Required

or Beltsville, MD. This position requires an Active Secret Clearance. The Senior Qualys Security Engineer will support...-time onsite work. Secret clearance with the ability to obtain a Top Secret clearance is required. Proficiency...

Company: VETS, Inc
Location: Washington DC
Posted Date: 31 Dec 2025
Salary: $150000 - 160000 per year

Sr. Network Engineer (Top Secret or Q)

: Must have an active DoD Top Secret or DoE Q clearance Must have a bachelors degree with 8+ years of experience supporting government...Zachary Piper Solutions is currently seeking a Sr. Network Engineer (Tier 3) to support the National Nuclear Security...

Posted Date: 22 Jan 2026
Salary: $160000 - 180000 per year

Information Systems Security Engineer (ISSE) Top Secret Clearance w/SCI eligibility

with engineering teams to integrate security requirements into system design and production releases Qualifications: Active Top Secret...Overview: AMERICAN SYSTEMS is seeking a highly experienced Information Systems Security Engineer (ISSE) to support...

Company: American Systems
Location: Arlington, VA
Posted Date: 18 Jan 2026

Information Systems Security Engineer (ISSE) Top Secret Clearance w/SCI eligibility

with engineering teams to integrate security requirements into system design and production releases Qualifications Active Top...Overview AMERICAN SYSTEMS is seeking a highly experienced Information Systems Security Engineer (ISSE) to support...

Company: American Systems
Location: Arlington, VA
Posted Date: 17 Jan 2026

Lead Technical Systems Engineer with Top Secret/SCI Clearance & Full Scope Polygraph - Onsite in MD

Candidates must have an active Top Secret/SCI Clearance with a Full Scope Polygraph. Onsite in Annapolis Junction, MD... 5+ years in a Lead position is required. Immediate opening for an experienced Lead Technical Systems Engineer...

Posted Date: 14 Jan 2026

Site Reliability Engineer - Top Secret Clearance

ultimate goal of enabling human life on Mars. SITE RELIABILITY ENGINEER - TOP SECRET CLEARANCE As a Site Reliability... Experience in Bash, Python, or other scripting languages Active Top Secret, Top Secret SCI, or DOE Level Q clearance...

Company: SpaceX
Location: USA
Posted Date: 10 Jan 2026
Salary: $120000 - 145000 per year

Tier 3 Network Engineer (Top Secret)

environments. Qualifications of the Network Engineer: Active Top Secret and/or DOE Q clearance Bachelor's degree... date Clearance: Active Top Secret Clearance and/or DOE Q Location: Washington, D.C. (100% on-site) Positions: 3 Tier III...

Posted Date: 10 Jan 2026
Salary: $150000 - 170000 per year

Information Systems Security Engineer (ISSE) Top Secret Clearance w/SCI eligibility

with engineering teams to integrate security requirements into system design and production releases Qualifications: Active Top...Overview: AMERICAN SYSTEMS is seeking a highly experienced Information Systems Security Engineer (ISSE) to support...

Company: American Systems
Location: Dallas, TX
Posted Date: 02 Jan 2026

Model-Based Systems Engineer Senior F-16 WAM (Top-Secret)

architecture for use by consortium participants. Requirements: Must have at least an active top-secret clearance. Master... and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work...

Location: Utah
Posted Date: 01 Jan 2026

Information Systems Security Engineer (ISSE) Top Secret Clearance w/SCI eligibility

with engineering teams to integrate security requirements into system design and production releases Qualifications Active Top...Overview AMERICAN SYSTEMS is seeking a highly experienced Information Systems Security Engineer (ISSE) to support...

Company: American Systems
Location: Dallas, TX
Posted Date: 01 Jan 2026

Mission Integration Engineer, Cybersecurity - Top Secret Clearance

ultimate goal of enabling human life on Mars. MISSION INTEGRATION ENGINEER, CYBERSECURITY - TOP SECRET CLEARANCE Starshield... Technical project management experience PREFERRED SKILLS AND EXPERIENCE: Active Top Secret or Top Secret SCI clearance...

Company: SpaceX
Location: USA
Posted Date: 06 Dec 2025
Salary: $95000 - 115000 per year

Software Engineer (Special Projects) - Top Secret Clearance

ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER (SPECIAL PROJECTS) - TOP SECRET CLEARANCE As a Software... software in lieu of a degree 1+ years of experience in software development with C++ or C languages Active Top Secret, Top...

Company: SpaceX
Location: USA
Posted Date: 25 Nov 2025
Salary: $120000 - 145000 per year