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Software Developer Systems Software Jobs in McLean, VA, US
740+ software developer systems software jobs from 300+ companies hiring in McLean, VA, US.
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Software Engineering, Technical Lead
McLean, Virginia, United States
$138k-$206k/yr OnsiteFull Time
8+ YOE8+ years software development experience; BS in Computer Science or related field; strong Java and Python; distributed systems; cloud familiarity; agile methods.
Java, Python, Gradle, Maven, Jenkins, Jira, Bitbucket, Git, JUnit, Mockito, MS SQL, Oracle, PostgreSQL, Spring, Distributed Caching
1mo
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Control Systems / Embedded Software Engineer
Fredericksburg, Virginia, United States
OnsiteFull Time
5+ YOEBS/MS/PhD in Robotics, Mechanical or Electrical engineering; 5+ years experience; U.S. Citizenship; ability to obtain Secret clearance; experience with C/C++, Python, ROS, Linux; motor control and embedded systems.
C++, Python, ROS, Git, Linux, Matlab, Octave, Altium, RS232, RS422, RS485, CAN, TCP/IP
2mo
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Software Architect
Tysons Corner or Fredericton
HybridFull Time
10+ YOE10+ years building distributed systems; BS or MS in CS/Engineering; strong Java/TypeScript, cloud, IaC; security-aware design; excellent communication.
Java, TypeScript, cloud-native services, infrastructure-as-code, CDK, CloudFormation, Terraform
4w
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BMS Systems Application Engineer II, Software
Ashburn, Virginia, United States
$81k-$121k/yr RemoteFull Time
Develop code to control building management systems; troubleshoot and support; collaborate with customers and teams.
BMS/BAS, Control systems, Blueprints, Schematic interpretation, Energy management concepts, Computers
2mo
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Software Engineer
Rockville, Maryland, United States
OnsiteFull Time
5+ YOEFive+ years of experience; Bachelor's in Computer Science, Information Systems Management, or related field.
C#, .NET/.NET Core, Visual Studio, SQL, JavaScript, jQuery, Azure DevOps, Git, APIs, JavaScript frameworks
6d
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Software Engineer (MES Systems) - Remote
Nashua or Manassas or Austin or San Diego
$79k-$135k/yr RemoteFull Time
2+ YOEBachelor's degree in engineering with 2+ years' experience; Java, JavaScript, ExtJS, Oracle SQL/PLSQL, HTML, C#, Unix/Linux, Windows; SDLC knowledge; MES database user engagement.
Java, JavaScript, ExtJS, Oracle SQL, PL/SQL, HTML, CSS, C#, Unix/Linux, Windows
1mo
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Senior Software Engineer - 5G Devices
Carlsbad or Germantown
$161k-$301k/yr OnsiteFull Time
8+ YOESenior software engineer with embedded systems focus, 5G/ NTN device software, and Linux kernel driver experience.
C/C++, Linux kernel, Yocto, Buildroot, PCIe, USB, SDIO, UART, Kernel debugging, Ftrace, Perf, JTAG
1mo
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Principal Software Architect (Python)
Washington or Sarasota or Miami or Toronto
$160k-$195k/yr HybridFull Time
Expert-level Python development; RESTful APIs; OAuth2/OpenID Connect; relational DBs; distributed systems; Docker/Kubernetes; GitHub/CI/CD; strong communication and mentorship.
Python, FastAPI, SQLAlchemy, Jinja2, Flask, Gunicorn, GitHub, GitHub Actions, CI/CD, Docker, Kubernetes, OpenAPI, OAuth2, OpenID Connect, PostgreSQL, MySQL, RESTful APIs, Swagger
1w
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Senior Systems Engineer
Washington, District of Columbia, United States
$93k-$125k/yr OnsiteFull Time
8+ YOESenior full-stack development with TS clearance; C#/.NET, SharePoint, SQL Server; secure, on-prem environment.
C#, .NET, Visual Studio, SharePoint Server, SQL Server, Jira
3w
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Senior Software Engineer Content Management System
Memphis or McLean or Dallas
HybridFull Time
3+ YOE3+ years in technology building large web apps; Java with microservices; NoSQL (Couchbase, MongoDB); Kafka/Redis; React/HTML/CSS; Atlassian tools; Docker; Git; REST APIs; hybrid role near US offices; travel up to 10%.
Java, Microservices, NoSQL, Couchbase, MongoDB, Kafka, Redis, React, HTML, CSS, Jira, Confluence, Docker, Git, REST APIs
2w
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Software Engineer - IAM
Washington, District of Columbia, United States
$192k-$213k/yr OnsiteFull Time
3+ YOE3+ years backend/platform experience; AWS/Snowflake; IAM/security fundamentals; ownership of production systems; strong collaboration.
Java, Python, AWS, Snowflake, S3, Immuta
3w
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Systems Engineer, Senior (ICS Software Safety)
Dahlgren, Virginia, United States
OnsiteFull Time
15+ YOE10+ years Navy Aegis/Combat Systems experience; DoD system safety (MIL-STD-882); degree in engineering or related field; strong documentation and leadership skills.
MIL-STD 882, Microsoft Office, Aegis Combat Systems
1mo
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Associate Model-Based Systems Engineer (Software Concentration)
Arlington, Virginia, United States
$70k-$95k/yr HybridFull Time
0+ YOEEntry-level MBSE engineer with software skills; 0-3 years experience; able to obtain DoD Secret Clearance.
Cameo, Java, MBSE plugin development
3w
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Senior Rust Systems Engineer
Alexandria, Virginia, United States
RemoteFull Time
5+ YOE5+ years Rust development in production; no_std/embedded Rust; async/Tokio; multi-crate workspace; network protocols; CI/CD; testing (fuzz/proptest) and security.
Rust, Tokio, cargo-fuzz, proptest, criterion, MIRI, cross-compilation, clippy
1mo
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DevOps Software Engineer (SWE)
Fort Meade, Maryland, United States
OnsiteFull Time
Active TS/SCI clearance with polygraph; GPU/CUDA development; Linux system programming; Kubernetes and CI/CD experience; strong analytical and communication skills.
Kubernetes, Helm, CI/CD, Jenkins, GitLab CI/CD, Linux, CUDA, C++, Python
1w
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Senior Systems Engineer
Fort Meade, Maryland, United States
$168k-$240k/yr OnsiteFull Time
12+ YOETS/SCI with polygraph; 12 years' experience or 4 additional years in place of a BS; strong Python, data parsing, networking, open source research; Git/Jira/Confluence familiarity.
Python, Git, Jira, Confluence
1mo
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Ground Systems Software Engineering SETA (Agile/Cloud)
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOEOversee ground system software development, integration, and delivery; ensure Agile/Cloud maturity; assess architectures, practices, and performance.
AWS, Azure, GCP, CI/CD
2w
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Cleared Senior Embedded Systems Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOEActive TS/SCI with Full Scope Poly, 12+ years embedded systems experience, degree in related field or equivalent, proficient in Python, C, ASM, and debugging tools.
Python, C, ASM, VxWorks, ELDK
1w
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Software Integration Engineer
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOEBachelor’s degree with 2-4 years of relevant work experience; US citizenship; Top Secret/SCI clearance; travel up to 25%; experience with system integration, debugging, authentication and SSO.
OAuth 2.0, SAML, PKI, Oracle Identity and Access Management (IdAM), Ansible, Gitlab
2mo
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Staff Engineer, Software Systems (R4445)
San Diego or Dallas or Washington, D.C. or Boston
$140k-$210k/yr OnsiteAll Commitments Available
5+ YOE5+ years systems engineering or related experience; BS in STEM; MBSE experience; software experience in C++/Python; able to obtain US security clearance.
C++, Python, MBSE, SysML, UML, Cameo
3mo
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Multiplayer Systems Programmer
Rockville or Austin or Dallas
$80k-$175k/yr OnsiteFull Time
3+ YOE3+ years of professional software development in C++, experience building multithreaded, real-time client/server systems, and knowledge of multiplayer game architectures.
C++, multithreading, networking, Unix/Linux, Win32, socket programming, code generation
2d
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Lead Embedded Software Engineer
Owings Mills, Maryland, United States
OnsiteFull Time
7+ YOE7+ years embedded Linux development; Bachelor's or Master's in CS/EE; strong Yocto/Linux distribution development; C/C++; kernel internals and device drivers; debugging/profiling tools; low-latency, deterministic systems.
Yocto, Linux, Linux kernel, Device drivers, C, C++, Valgrind, perf, oprofile
2mo
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Software Integration Engineer (HPC)
Annapolis Junction, Maryland, United States
$130k-$180k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph; IAT level II baseline; bachelor in technical field and experience in system administration or related roles.
3mo
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Peer to Peer Systems Engineer
Austin or Washington
OnsiteFull Time
5+ YOE5+ years backend systems experience; peer-to-peer/decentralized networking; active US security clearance or eligibility; willing to obtain clearance.
Rust, C++, Java, Go
1mo
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Software Solutions Engineer - Federal
McLean, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in CS/IT/Engineering; 5-8 years technical exp; 3-5 years as Solutions/Systems Engineer; federal government experience; strong IT domain knowledge; proposal and briefing skills.
2w
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Systems Engineer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOETS/SCI with poly; Bachelor's in CS/IS/Engineering or related; 3+ years in systems engineering; understanding of PM principles; experience with hardware/software technologies.
3mo
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Multiplayer Systems Programmer
Rockville or Montreal or Austin or Dallas
$80k-$175k/yr OnsiteFull Time
3+ YOE3+ years of professional software development in C++ for client/server apps; experience building multithreaded, real-time systems; client/server message passing; performance tuning; strong analytical and problem-solving skills.
C++, Multithreading, Socket programming, Unix/Linux, Win32, Code generation, Reflection, Compression
1w
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Systems Engineer
McLean, Virginia, United States
OnsiteFull Time
7+ YOEPoly clearance required; on-site in McLean, VA; 7-20 years systems engineering; electrical engineering degree; hardware/software lifecycle; contracting experience.
RF systems, Network infrastructure, Test planning, Requirements management, Documentation
2mo
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Platform Control Software Engineer
Clarksburg, Maryland, United States
$115k-$155k/yr OnsiteFull Time
2+ YOE1-2 years in control systems engineering; experience with C++; knowledge of vehicle actuation and control systems; startup experience preferred.
C++
1mo
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Sr Computer Systems/SW Systems Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
10+ YOEUS citizen with active Secret clearance; BS in engineering/science; 10 years technical experience including 5+ in related areas; hardware/software integration; missile/Navy program experience; HTML/C/C++/Unix/Linux; RealTime VxWorks SMP; missile interface expertise.
HTML, C, C++, Unix, Linux, VxWorks, RealTime, SMP, Systems Engineering Tools
3mo
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Staff Software Engineer, Data Platform
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington DC or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$195k-$258k/yr RemoteFull Time
7+ YOEExperience building data-intensive systems, scalable data pipelines, data governance; strong collaboration; cloud-native data platforms.
Cloud platforms, Data pipelines, ETL/ELT, SQL, Data governance
2w
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Senior Systems Engineer
Bethesda, Maryland, United States
$160k-$235k/yr HybridFull Time
12+ YOEBS in Engineering or related field with 12+ years in software development or systems engineering; active Top Secret/SCI with polygraph; agile, MBSE; leads scrum.
Gitlab, JIRA, Confluence, MBSE, Python, Java, React, Linux, Red Hat, CentOS, Oracle Linux, Jenkins, Bamboo, MVC, SQL
1mo
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Software Integration Engineer (Prime Contract)
Annapolis Junction, Maryland, United States
$200k-$230k/yr OnsiteFull Time
12+ YOESenior Systems Integration Engineer with 12+ years in DoD environments; TS/SCI with Polygraph clearance; strong Linux, AWS, automation, and security expertise.
RHEL, AWS, Bash, Python, Ansible, DISA STIGs
5d
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Senior Principal Software Engineer
New York City or Boston or Atlanta or Arlington or Miami or O'Fallon or San Francisco
$212k-$407k/yr HybridFull Time
Senior technical leadership; cloud-native platforms; distributed systems; real-time AI/ML inference; API design; data pipelines; MLOps; strong communication.
Java, Go, Python, AWS, Azure, GCP, Distributed Systems, Microservices, APIs, Data Pipelines, MLOps, Real-time Inference
1mo
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Software Security Engineer (Public Trust)
Washington, District of Columbia, United States
$108k-$184k/yr OnsiteFull Time
5+ YOEBachelor's degree in Computer Science, Engineering, Information Systems, or related field; 5+ years cloud AWS experience; Public Trust clearance; US residency; professional certifications CISSP, CISM, CISA, Security+, or GIAC.
SAST, DAST, SCA, AWS, AWS GovCloud
1mo
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Mainframe Software Technical Support Engineer
Plano or Lisle or Pittsburgh or Princeton or Melville or Reston
$88k-$141k/yr OnsiteFull Time
8+ YOE8+ years in Mainframe software support or systems; strong problem-solving, communication, and customer-facing skills; experience with z/OS mainframe, TCP/IP, CICS, JCL, REXX, SMP/E, z/OSMF, USS, TSO/ISPF, SDSF, IPCS; knowledge of Broadcom mainframe products; willingness to learn and coach others.
z/OS, z/OSMF, TSO/ISPF, SDSF, IPCS, JCL, REXX, CLIST, CICS, TCP/IP, FTP, Telnet, VM, CMS, SMPP, GSPS, MIM, GRS, DASD, SMP/E, USS, VTAM, TN3270, JG, COBOL, API processing, Assembler, SMF
1mo
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Combat Systems Senior Systems Engineer
King George, Virginia, United States
HybridFull Time
15+ YOEFifteen years of general surface navy combat systems engineering with at least 7 years in specialized areas; bachelor's in electrical, systems, or software engineering; active Secret clearance preferred.
MBSE, Cameo, Confluence, JIRA, MS Office
3w
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Principal Ground Systems Development Engineer, Product Owner
Reston or Chandler or United States
HybridFull Time
10+ YOE10+ years in aerospace or related field; experience with satellite ground systems; strong communication and leadership skills.
Java, JavaScript, Python, Shell scripting
1mo
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Systems Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
4+ YOEActive DoD Secret clearance; Bachelor’s or Master’s in CS/CE/EE; 3–5 years hardware-software integration; Windows/Linux; C/C++/Rust; Python; embedded systems; data acquisition; OO, multithreading; GUI/UI; REST/WebSocket; UML/ICD documentation; cross-team collaboration.
C, C++, Rust, Python, Flask, Windows, Linux, UML, REST APIs, WebSocket, OpenMP, CUDA, OpenCL, FPGA, Microcontrollers, Laboratory equipment, Object-oriented programming, Multithreaded programming
1mo
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Staff Full Stack Engineer, GTM Systems
Austin or Chicago or Washington or New York
$214k-$245k/yr HybridFull Time
8+ YOE8+ years of full-stack software engineering; React/TypeScript; backend/DB; AI tooling and LLMs; internal platforms; deployment platforms.
React, TypeScript, Next.js, Python, FastAPI, PostgreSQL, Supabase, Vercel, OpenAI API, GitHub Copilot
HiringCafe market data
Software Developer Systems Software Jobs market signals in McLean, VA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
740+
Hiring companies
300+
Fresh sample
48% new in 30d
Salary visibility
52% show pay
Companies appearing in this market
Basic Commerce and IndustriesAbsolute Business Solutions CorpAstor & SandersBAE SystemsBelay TechnologiesBroadcomForterraICF
Work location mix in visible results
Onsite: 32Hybrid: 15Remote: 5