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fable12 is not a job board. It is a record of how long each listing has actually been open, read straight from employers’ own hiring systems. Listings link to the employer; ages are the employer’s own publish date — how we know.

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Jobs

Indexed directly from employers. Every age is their own publish date.

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Under a week79 1–4 weeks153 1–2 months184 2–12 months345 Over a year78

Searching titles and descriptions for “Infrastructure Software Engineer, Active Clearance”. A match may be a passing mention rather than the job itself. Titles only.

839 roles · group by role · page 1 of 34

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3mo
Infrastructure Software Engineer, Active Clearance
AndurilAir Dominance & StrikeCosta Mesa, California, United States; Seattle, Washington, United States; Washington, District of Columbia, United States
…clearance 5+ years of engineering experience with at least 3+ years focused on infrastructure problems Bachelors, Masters, or PhD in Computer Science, Software Engineering…
Apply Infrastructure Software Engineer, Active Clearance at Anduril — opens Anduril’s own board
3mo
Mission Software Infrastructure Engineer, Active Clearance
AndurilAir Dominance & StrikeCosta Mesa, California, United States; Seattle, Washington, United States; Washington, District of Columbia, United States
…clearance 5+ years of engineering experience with at least 3+ years focused on infrastructure problems Bachelors, Masters, or PhD in Computer Science, Software Engineering…
Apply Mission Software Infrastructure Engineer, Active Clearance at Anduril — opens Anduril’s own board
<1d
Forward Deployed Engineer, Infrastructure Specialist (UK Public Sector)
CohereProductUnited Kingdom; Europe; LondonRemote
…seeking engineers who deeply care about customers and want to work at the cutting edge of Agentic AI. Location: UK Active DV clearance is…
Apply Forward Deployed Engineer, Infrastructure Specialist (UK Public Sector) at Cohere — opens Cohere’s own board
2d
Senior Product Manager, Mission Solutions
Planet LabsProductSan Francisco, CA; Arlington, VA; Denver, CO
…Experience scaling vertical product layers on top of shared platform infrastructure. Active or prior U.S. Security Clearance (Secret or TS/SCI). Operational experience…
Apply Senior Product Manager, Mission Solutions at Planet Labs — opens Planet Labs’s own board
2d
Senior Product Manager, D&I Tasking Solutions
Planet LabsProductSan Francisco, CA; Arlington, VA
…Experience scaling vertical product/solution layers on top of shared platform infrastructure. Active or prior U.S. Security Clearance (Secret or TS/SCI). Direct…
Apply Senior Product Manager, D&I Tasking Solutions at Planet Labs — opens Planet Labs’s own board
2d
Software Development Engineer, US Amazon Dedicated Cloud Security
AmazonSoftware DevelopmentHerndon, Virginia
…possess and maintain an active Top Secret security clearance. Key job responsibilities - Design and develop high-availability distributed software with an emphasis on security…
Apply Software Development Engineer, US Amazon Dedicated Cloud Security at Amazon — opens Amazon’s own board
2d
Site Reliability Engineering M6
MicrosoftSite Reliability Engineering
…Drive engineering led operational excellence at scale, leveraging strong software engineering practices, automation, and AI assisted techniques to reduce operational toil, improve diagnosability, and…
Apply Site Reliability Engineering M6 at Microsoft — opens Microsoft’s own board
2d
Security Software Engineer (Starshield)
SpaceXStarshield Software EngineeringWashington, DC
…degree in a technical or engineering discipline Active Top Secret, Top Secret SCI, or DOE Level Q clearance ADDITIONAL REQUIREMENTS: Must be willing to…
Apply Security Software Engineer (Starshield) at SpaceX — opens SpaceX’s own board
2d
Security Software Engineer (Starshield)
SpaceXStarshield Software EngineeringHawthorne, CA
…degree in a technical or engineering discipline Active Top Secret, Top Secret SCI, or DOE Level Q clearance ADDITIONAL REQUIREMENTS: Must be willing to…
Apply Security Software Engineer (Starshield) at SpaceX — opens SpaceX’s own board
2d
Sr. Security Software Enginer (Starshield)
SpaceXStarshield Software EngineeringWashington, DC
…is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. SECURITY SOFTWARE ENGINEER (STARSHIELD…
Apply Sr. Security Software Enginer (Starshield) at SpaceX — opens SpaceX’s own board
2d
Sr. Security Software Enginer (Starshield)
SpaceXStarshield Software EngineeringHawthorne, CA
…is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. SECURITY SOFTWARE ENGINEER (STARSHIELD…
Apply Sr. Security Software Enginer (Starshield) at SpaceX — opens SpaceX’s own board
2d
Senior Software Systems Engineer, Launched Effects
AndurilTactical Recon & StrikeAtlanta, Georgia, United States
…infrastructure platforms (e.g., AWS, Azure, Google Cloud) for software deployment and scalability. Demonstrated proficiency in the application of engineering standards into engineering processes…
Apply Senior Software Systems Engineer, Launched Effects at Anduril — opens Anduril’s own board
2d
Environmental Test Technician (3rd Shift)
AndurilHardware PlatformCosta Mesa, California, United States
…of professional experience in a engineering technician capacity or similar Familiarity with Jira or other agile development software Experience with running environmental test equipment…
Apply Environmental Test Technician (3rd Shift) at Anduril — opens Anduril’s own board
2d
Senior Software Engineer - CTJ - Poly
MicrosoftSoftware EngineeringRedmond, WA; Reston, VA
Overview This Senior Sofware Engineer will independently use artificial intelligence tools and practices across the software development lifecycle. Understand customer/user requirements for a…
Apply Senior Software Engineer - CTJ - Poly at Microsoft — opens Microsoft’s own board
2d
Information Systems Security Manager
AndurilCorporate TechnologyQuincy, Massachusetts, United States
…Integrate security best practices into Anduril’s Software Development Lifecycle (SDLC) and infrastructure design, collaborating with internal IT and engineering teams. Conduct security risk…
Apply Information Systems Security Manager at Anduril — opens Anduril’s own board
2d
Launch Integration Engineer I
Relativity SpaceLaunchCape Canaveral, Florida, United States
…Provide hands-on floor support during build and test activities, collaborate with technicians and engineers to troubleshoot issues, incorporate feedback, and contribute to continuous…
Apply Launch Integration Engineer I at Relativity Space — opens Relativity Space’s own board
2d
Azure, Data and AI Cloud Solution Architect-CTJ-Poly
MicrosoftCloud Solution ArchitectureMD
…Bachelor's Degree in Computer Science, Information Technology, Engineering, Business, Liberal Arts, or related field OR equivalent experience. 2+ years experience in cloud/infrastructure…
Apply Azure, Data and AI Cloud Solution Architect-CTJ-Poly at Microsoft — opens Microsoft’s own board
3d
Software Engineer (Drone Stack)
Applied IntuitionDefenseWashington, D.C.
…This in-office expectation does not apply to contractor positions ABOUT THE ROLE Applied Intuition is looking for a Software Engineer (Drone Stack Team…
Apply Software Engineer (Drone Stack) at Applied Intuition — opens Applied Intuition’s own board
3d
Software Engineer (Drone Stack)
Applied IntuitionDefenseFort Walton Beach, FL
…This in-office expectation does not apply to contractor positions ABOUT THE ROLE Applied Intuition is looking for a Software Engineer (Drone Stack Team…
Apply Software Engineer (Drone Stack) at Applied Intuition — opens Applied Intuition’s own board
3d
Software Engineer - Simulation & Flight Systems
SpaceXSpecial ProgramsHawthorne, CA
…Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER – SIMULATION…
Apply Software Engineer - Simulation & Flight Systems at SpaceX — opens SpaceX’s own board
3d
System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG
AmazonHardware DevelopmentNorthridge, California
…currently possess and maintain an active TS/SCI security clearance. About the team Amazon Leo for Government (ALG) Engineering is a multi-disciplinary technology…
Apply System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG at Amazon — opens Amazon’s own board
3d
System Integration & Test Engineer, Amazon Leo for Government (ALG), SEIT | MFG
AmazonHardware DevelopmentNorthridge, California
…currently possess and maintain an active TS/SCI security clearance. About the team Amazon Leo for Government (ALG) Engineering is a multi-disciplinary technology…
Apply System Integration & Test Engineer, Amazon Leo for Government (ALG), SEIT | MFG at Amazon — opens Amazon’s own board
3d
System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG
AmazonHardware DevelopmentNorthridge, California
…currently possess and maintain an active TS/SCI security clearance. About the team Amazon Leo for Government (ALG) Engineering is a multi-disciplinary technology…
Apply System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG at Amazon — opens Amazon’s own board
3d
System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG
AmazonSystems, Quality, & Security EngineeringNorthridge, California
…currently possess and maintain an active TS/SCI security clearance. About the team Amazon Leo for Government (ALG) Engineering is a multi-disciplinary technology…
Apply System I&T Engineer, Amazon Leo for Government (ALG), SEIT | MFG at Amazon — opens Amazon’s own board
3d
System Dev Engineer II, ALG Software and Network Integration and Test
AmazonSystems, Quality, & Security EngineeringNorthridge, California
…systems engineering best practices; participate actively in hiring Collaborate with systems engineers, hardware teams, software developers, and external partners to ensure infrastructure supports all…
Apply System Dev Engineer II, ALG Software and Network Integration and Test at Amazon — opens Amazon’s own board