83 software engineer operating systems jobs at 48 companies in Fairfax, VA
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Software Systems Engineer (JAMMEX)
Fort Meade, Maryland, United States
OnsiteFull Time
Experience with complex operating systems, enterprise application maintenance using vendor utilities, large telecommunications networks, and advanced scientific software; Secret clearance preferred.
1mo
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Embedded Operating System Software Developer – Level 3 or 4
Linthicum, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEExperience developing embedded real-time systems in C/C++ and Python, embedded OS experience, Yocto/Linux and Bash scripting, FPGA/VHDL knowledge, software integration and debugging, ability to obtain Top Secret/SCI clearance.
C, C++, Python, Yocto, Bash, Linux, VHDL, Zephyr, Jira, Confluence, Bitbucket
2mo
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Systems Engineer, Operations Automation
Lanham, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's in engineering, 5+ years software/systems engineering (spacecraft or real-time systems preferred); experience defining autonomy, FDIR, ConOps, and specifying FSW/GSW interfaces; strong communication and cross-functional leadership.
Python, C/C++
3mo
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Software Engineer (Operational Systems Engineer)
Chantilly, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years engineering/developing experience; proficiency with Debian, Python, SQL, Linux, ProxMox, Docker, Rancher, Kubernetes; CI/CD and API development experience; A&A support experience.
Debian, Python, SQL, Linux, ProxMox, Docker, Rancher, Kubernetes, CI/CD
2mo
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Ground Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEUS citizen with TS/SCI + poly; Bachelor's in a technical discipline; 9+ years supporting ground systems engineering in the defense/intelligence space domain; experience with system integration, testing, software lifecycle, configuration management, and operational mission support.
1mo
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Systems Engineer
Alexandria, Virginia, United States
$85k/yr OnsiteFull Time
3+ YOE3+ years systems engineering or technical support experience; strong troubleshooting across hardware, software, networking and servers; experience in 24/7 operational environments; excellent communication and documentation skills.
1w
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Software Engineer SWE1
Hanover, Maryland, United States
$136k-$252k/yr OnsiteFull Time
Requires TS/SCI clearance, software development experience, design, testing, and debugging skills, knowledge of multiple programming languages, and familiarity with Linux operating systems.
Linux, Java
2w
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Lead Software Engineer - Physical AI (Defense)
Arlington, Virginia, United States
$150k-$250k/yr OnsiteFull Time
6+ YOERequires 6+ years of software engineering experience, strong C++ or Python skills, broad software, operating system, and hardware experience, complex system integration, problem-solving, communication, U.S. citizenship, and eligibility for security clearance.
C++, Python, Axion, Acuity
1mo
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Sr. Software Engineer II, AI Platform
United States or San Francisco or New York City or Washington
$131k-$198k/yr RemoteFull Time
6+ YOE6+ years software engineering experience building and operating large-scale backend/platform systems; hands-on GenAI and LLM integration; experience with Python/Java/Go; distributed systems and workflow design expertise.
Python, Java, Go, LangChain, OpenAI SDK, MCP, LLMs, Salesforce, Gong, Outreach, Tofu
1mo
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Lead Software Engineer-AI Foundation Services
Plano or Jersey City or Wilmington or McLean
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; hands-on coding in Python, Java, or Go; experience with Terraform, Kubernetes, containers, CI/CD, observability, system design, and production operations.
Python, Java, Go, Terraform, Kubernetes, containers, CI/CD
1mo
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GEOINT Ground Processing Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
4+ YOERequires active TS/SCI with poly; 4–9+ years relevant experience depending on degree; experience with GEOINT ground/space architectures, mission processing, IC/DoD acquisition, and ground software or mission operations.
6d
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Embedded Software Engineer II
Germantown, Maryland, United States
$72k-$98k/yr HybridFull Time
1+ YOEBachelor’s degree in a related engineering field and 1–3 years of experience. Requires C/C++, Bash or Python, Linux or Unix-based real-time operating systems, software design, IP protocols, and hardware interfaces.
C, C++, Bash, Python, Linux, Unix, QNX, FreeRTOS
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Software Data Engineer Mid-Level
Laurel, Maryland, United States
$140k-$195k/yr OnsiteFull Time
3+ YOETS/SCI with full-scope polygraph; 3–8+ years software engineering experience depending on degree; experience with Open Stack cloud, Linux, Python, IT operations; strong communication and systems engineering background.
Open Stack, Linux, Python, PowerShell, AWS, Microsoft Azure
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
7+ YOERequires TS/SCI with polygraph, advanced software engineering skills, Python, C/C++, x86 Assembly, operating system internals, algorithms, reverse engineering, and relevant experience based on degree level.
Python, C, C++, Assembly, x86
4d
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Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
U.S. Person status, ability to obtain and maintain a U.S. security clearance, and backend/cloud engineering experience with scalable systems, infrastructure, reliability, and operations.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
3w
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Ground Software Engineer, Space
Chantilly, Virginia, United States
$166k-$220k/yr OnsiteFull Time
4+ YOE4+ years engineering experience; strong programming in Java/Python/C++/Rust/Go/JavaScript; experience with Space C2 or spacecraft operations; strong systems thinking and communication; eligible for U.S. Secret clearance.
Java, Python, C++, Rust, Go, JavaScript, Lattice OS, Kubernetes, OpenShift, Helm
1mo
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Backend Software Engineer - Sensors and Tracking
Seattle or Arlington
OnsiteFull Time
4+ YOE4+ years software engineering experience, hands-on hardware/sensor data integration, production backend systems, proficiency in Python or Go, ability to operate in ambiguous environments.
Python, Go
2w
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Staff Software Engineer, Platform
San Francisco or New York or Washington
$240k-$300k/yr OnsiteFull Time
8+ YOE8+ years building and operating cloud infrastructure, hands-on ownership of platform/networking/traffic systems, strong security and reliability experience, on-call and incident response experience, degree or equivalent.
5d
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Staff Software Engineer - Protect
San Francisco or Seattle or New York City or Washington, D.C. or London or Amsterdam
$208k-$274k/yr HybridFull Time
8+ YOETypically 8+ years building and operating backend or distributed systems at scale, with hands-on coding, strong product judgment, and experience translating ambiguous customer problems into measurable deliverables.
Jupyter, Apache Spark, Tecton
3w
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Lead Software Engineer, Back End (Cloud Operations Resilience Engineering)
Plano or McLean or Richmond or Canada or United Kingdom or Philippines
$179k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years of professional software engineering experience, and 1+ year of cloud computing experience. Leads developers and works with distributed systems, databases, and cloud technologies.
Java, Python, SQL, Node, Go, Scala, RDBMS, NoSQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL