Find your dream job NOW!

Click on Location links to filter by Job Title & Location.
Click on Company links to filter by Company & Location.
For exact match, enclose search terms in "double quotes".

Keywords: Software Engineer, C - Top Secret Clearance, Location: USA

Page: 3

DevSecOps Engineer - Secret Clearance

to obtain a Top Secret / SCI Clearance Virtual no Zip 19406 EEO Lockheed Martin is an equal opportunity employer...LMCareers Business Unit RMS Security Clearance TS/SCI Shift First Direct/Indirect Direct Business Area...

Posted Date: 22 Nov 2025
Salary: $91700 - 158815 per year

Senior Software Engineer, C++ (Active Clearance)

, low-latency C++ software for critical defense applications, systems, and infrastructure. Engineer robust, efficient... software systems that empower our mission-critical operations. We're seeking talented C++ software engineers on several teams...

Location: Reston, VA
Posted Date: 09 Jan 2026

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: 01 Feb 2026
Salary: $160000 - 180000 per year

Tier 3 Network Engineer (Top Secret)

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

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

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... environment, using modeling languages (included but not limited SysML, C++, and Linux along with software tools such as Cameo...

Location: Utah
Posted Date: 01 Jan 2026

COMSEC / 5G cellular / VHF Systems Engineer - Active Top Secret Required

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... of related experience US Citizenship Required: Yes Job Description: Systems Engineer– Active Top Secret Required Seize...

Company: General Dynamics
Location: Washington DC
Posted Date: 21 Nov 2025
Salary: $69264 - 80500 per year

Satellite / SATCOM / 5G cellular / VHF Systems Engineer - Active Top Secret Required

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... for periods of time up to two weeks in support of mission activities. Possesses an active TOP SECRET/SCI clearance and possesses...

Company: General Dynamics
Location: Washington DC
Posted Date: 21 Nov 2025
Salary: $71445 - 96661 per year

Guidance, Navigation, & Control Engineer (Level II) - Top Secret

selected employee to be a U.S. Citizen. Active Top Secret clearance with SCI (adjudicated or eligibility...) is required for consideration. Top Secret security clearance with adjudicated SCI (i.e. TS/SCI) is required prior to start. Willing to consent...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 13 Dec 2025
Salary: $95300 - 165255 per year

Guidance, Navigation & Control Engineer (Sr, Level III) - Top Secret

selected employee to be a U.S. Citizen. Active Top Secret clearance with SCI (adjudicated or eligibility...) is required for consideration. Top Secret security clearance with adjudicated SCI (i.e. TS/SCI) is required prior to start. Willing to consent...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 06 Dec 2025

Guidance, Navigation & Control Engineer (Sr, Level III) - Top Secret

selected employee to be a U.S. Citizen. Active Top Secret clearance with SCI (adjudicated or eligibility...) is required for consideration. Top Secret security clearance with adjudicated SCI (i.e. TS/SCI) is required prior to start. Willing to consent...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 06 Dec 2025

Guidance, Navigation & Control Engineer (Staff, Level IV) - Top Secret

to be a U.S. Citizen. Active Top Secret clearance (adjudicated or eligibility) is required for consideration. Top Secret security... clearance is required prior to start. Desired skills Experience with CORESIM/SIMULINK Experience with flight software...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 05 Dec 2025

Guidance, Navigation, & Control Engineer (Level II) - Top Secret

LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business.... Active Top Secret security clearance is required for consideration and is the minimum level of clearance required to start...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 28 Nov 2025
Salary: $95300 - 165255 per year

Embedded Software Engineer (Secret) - Level 5 (Chandler)

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time... Software Engineer – Level 5 working for the Glide Phase Interphase (GPI) Program located in Chandler, AZ, you’ll be a linchpin...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 29 Jan 2026

Embedded Software Engineer (Secret) - Level 4 (Chandler)

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time... Software Engineer – Level 4 working for the Ground Phase Interceptor (GPI) located in Chandler, AZ, you’ll be a linchpin...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 28 Jan 2026
Salary: $118600 - 178000 per year

Embedded Software Engineer (Secret) - Level 2 (Chandler)

or Gilab CI Active DoD Top Secret security clearance investigated within the last 5 years Curious about all the exciting...RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 06 Nov 2025
Salary: $77200 - 115800 per year

Embedded Software Engineer (Secret) - Level 3 (Chandler)

with CI/CD such as Jenkins or Gilab CI Active DoD Top Secret security clearance investigated within the last 5 years Curious...RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time...

Company: Northrop Grumman
Location: Chandler, AZ
Posted Date: 06 Nov 2025
Salary: $95300 - 142900 per year

Software Engineer - TS/SCI Clearance Required

Top Secret / SCI security clearance prior to start. This is an EARLY CAREER (level 2) ROLE where candidates typically..., problem solving, and troubleshooting skills Active Top Secret security clearance with SCI Eligibility is required to start...

Posted Date: 15 Jan 2026
Salary: $88000 - 152490 per year

Senior Software Engineer, Generalist (Active Clearance)

an active U.S. Top Secret security clearance This job post is inclusive of openings within various teams..., our Software Engineers are at the forefront of defense technology, crafting high-impact, cutting-edge solutions that redefine...

Location: Washington DC
Posted Date: 08 Jan 2026

Software Engineer- Poly clearance Required

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: Software Engineering...

Posted Date: 30 Dec 2025

Senior Mission Software Engineer, EagleEye (Active Clearance)

and allies. As a Mission Software Engineer, you will be responsible for delivering our products and solutions down the “last... an active U.S. Secret Clearance Able and willing to travel up to 50% of time (domestic and international) Excellent...

Location: Seattle, WA
Posted Date: 23 Nov 2025
Salary: $132000 - 198000 per year