ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now
Experience
City
State
Clearance
Posted Within
Employer Name
Country
Job Category
Job Type
Polygraph
Remote/Hybrid

C Software Engineer Jobs

c software engineer

Viewing 1 - 20 of 2,980

C Software Engineer Jobs requiring security clearance

Show:
Sort by:

C/C++ Software Engineer

American Systems Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted 3 weeks ago
Secret
Not Specified

We are seeking a highly skilled C/C++ Software Engineer to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Customs and Border Protection's...

user avatar

Software Engineer (Embedded/C/DOORS)

PlanIT Group LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Owego, NY(On-Site/Office)
Posted 2 months ago
5+ yrs exp
Unspecified

****2+ days per week of onsite work, the rest are remote. May me more onsite work during initial training period**** Mandatory skills: 2+ years of embedded software development 2+ years of C experien...

user avatar

C/C++ Embedded Software Engineer

Butler Aerospace & Defense
Apply today! Be one of the first candidates to apply for maximum exposure.
Sand Lake, FL(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Software Engineer Location: Grand Prairie, TX Job ID: #72219 Pay Range: $85-96 ph (W2) Duration: 12 mos Looking for 8+ years of experienced C/C++ real-time embedded software engineer with hands-on H...

user avatar

Senior Software C/C++ Engineer

RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Marlborough, MA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Date Posted:2026-04-02Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requiremen...

user avatar

Secret C/C++ Software Engineer

Insight Global, Inc.
Remote/Hybrid(On/Off-Site)
Posted 3 weeks ago
Secret

Job Description Insight Global is looking for a C/C++ Software Engineer to join one of our clients at Nellis AFB. They will help design, develop, and maintain critical system software components for ...

user avatar

Remote C/C++ Software Engineer

Insight Global, Inc.
Remote/Hybrid(On/Off-Site)
Posted 1 week ago
5+ yrs exp
Secret

Position: C/C++ Software Engineer Location: Fully Remote Clearance: Secret REQUIRED SKILLS AND EXPERIENCE •Must have at least 5 years of C++ and software engineering experience with a Bachelors in CS...

user avatar

Software Engineer Sr C/C++

Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Manassas, VA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Job Number 726057BR Description:Who we areLockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, foster...

user avatar

Senior Software C/C++ Engineer

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted 2 days ago
Secret
Not Specified

Date Posted:2026-05-04Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

user avatar

C/C++ Software Engineer II - Comms

RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Date Posted:2026-03-26Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

user avatar

Senior C/C++ Software Development Engineer

RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Date Posted:2026-01-15Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

user avatar

Senior C/C++ Software Development Engineer

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted 6 days ago
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

user avatar

Software Engineer – Low-level Systems (C, C++, Rust)

Riverside Research
Lexington, MA(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Riverside Overview Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research an...

user avatar

Flight Software Platform Engineer, Embedded C/C++, Air Dominance

Anduril Industries
Apply today! Be one of the first candidates to apply for maximum exposure.
Costa Mesa, CA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

user avatar

Senior Principal Engineer Software - Cyber Security (San Diego C

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
San Diego, CA(On-Site/Office)
Posted 4 days ago
Top Secret
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 25% of the TimeDescriptionAt Northrop Grumman, our employees have i...

user avatar

Embedded Rust Software Engineer

New
Warriors
Apply today! Be one of the first candidates to apply for maximum exposure.
Tampa, FL(On-Site/Office)
Posted yesterday
Secret
Not Specified

Position: Embedded Rust Software EngineerLocation: Tampa, FL, United StatesClearance: DoD Secret Clearance Command, Control, Intelligence, and Encryption (C2I&E)By joining our Command, Control, Intell...

user avatar

Software Engineer- C++/Python

PlanIT Group LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Huntsville, AL(On-Site/Office)
Posted 2 months ago
10+ yrs exp
Secret

****There is a level 4 position, and a level 5 position. Compensation is based on skillset, and which level you qualify for. Both roles are 11-month contract to hire, are fully onsite in Huntsville, A...

user avatar

Embedded Software Engineer

Gravity IT Resources
Carlsbad, CA
Marlborough, MA
Washing, DC
Linthicum Heights, MD
Tampa, FL
Posted 2 months ago
5+ yrs exp
Secret

Embedded Software Engineer – Secure Communications Locations: Carlsbad, CA | Marlborough, MA | Linthicum Heights, MD | Tampa, FL Job Type: Direct Hire Clearance Required: Active DoD Secret (or higher)...

user avatar

CI/CD Pipeline Engineer

Oteemo Inc
Manassas, VA(On-Site/Office)
Posted 3 months ago
5+ yrs exp
Secret

Oteemo is seeking a hands-on CI/CD Pipeline Engineer to lead the modernization of legacy C/C++ systems and GitLab migration initiatives. This role will focus on creating modular build capabilities, im...

user avatar

Software Developer (Embedded Systems)

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Kent, WA(On-Site/Office)
Posted 6 days ago
Top Secret
Not Specified

Zachary Piper Solutions is seeking a Software Developer (Embedded Systems) to support an advanced aerospace program focused on next-generation space and flight technologies. This position is hybrid in...

user avatar

Senior Real-time Software Engineer

22nd Century Technologies, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Middletown, RI(On/Off-Site)
Posted 1 month ago
Secret

Please find below the job details: Title: Senior Real-time Software Engineer - 15017093 Client: Defense Location: Middletown, RI Duration: 12 months+...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
Download on the App StoreGet it on Google Play
© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service .
  • Pay My Bill
  • EULA
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Contact Us