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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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Advisory Lead, Software-TTS (SPAM)
Chicago or Boston or Dallas or Los Angeles or Minneapolis or New York City or San Francisco or Seattle or Washington D.C.
HybridFull Time
8+ YOE8-10+ years of hands-on software development; experience with complex systems integration, SDLC; Agile/Lean project management; ability to lead executive-facing engagements; strong communication.
C#, Java, Python, SDLC
1w
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Building Automation Systems (BAS) Project Specialist (Engineer III)
Fairfax, Virginia, United States
$79k-$132k/yr OnsiteFull Time
3+ YOEBachelor's degree in engineering with 3 years of professional experience; valid driver's license; ability to pass background checks; BAS/EMCS/HVAC experience.
Building Automation Systems, Energy Management Control Systems, HVAC, Programming
3mo
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Senior Flight Controls & GNC Engineer, Unmanned Aircraft Systems (On-Site)
Arlington or Raeford or Sierra Vista
OnsiteFull Time
5+ YOEBS in engineering with 5+ years UAS flight controls/GNC; US Citizenship; DoD security clearance eligible; hardware-in-the-loop experience; software development for flight controls.
MATLAB/Simulink, C/C++, Software Version Control, HIL/SIL Tools
1mo
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Senior Research Engineer, Applied AI
Washington, District of Columbia, United States
$100k-$190k/yr OnsiteFull Time
5+ YOE5+ years building software, tools, or data systems; expertise in LLM-enabled systems; Python; experience in or with research, policy, government, or academic environments; familiarity with ChatGPT, Claude, Gemini, Grok.
Python, LLMs, Claude Code, Codex, ChatGPT, Claude, Gemini, Grok, SQL, R, Stata
2mo
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Intern (Application Development)
Reston, Virginia, United States
$19-$23/hr RemoteFull Time
Pursuing a degree in Computer Science, Software Engineering, Information Systems or related field; strong communication and technical writing; team collaboration; detail-oriented; able to work independently.
HTML, CSS, JavaScript, .NET, Python, C#, Java, Node.js, Okta, OAuth 2.0, OpenID Connect, Azure DevOps, Git, AWS, GitHub Copilot, Cursor
4d
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Pega Lead System Architect
Fort Meade or Sterling or Huntsville
OnsiteFull Time
5+ YOEPega architecture design, security clearance, and senior software engineering leadership with Pega certifications.
Pega, REST, SOAP, APIs, Java, JavaScript, SQL
1w
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Solution Architect (AI Focus) - Enterprise Applications
Portland or San Francisco or Washington or Boston
$166k-$204k/yr HybridFull Time
8+ YOE8+ years in software/systems engineering; 4+ years AI/ML; enterprise integrations; APIs and middleware; experience with enterprise apps (CRM, ERP, HCM); strong stakeholder communication.
APIs, Kafka, UiPath, MLOps, DevOps, NLP, LLMs
3mo
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Senior Agentic AI Technical Lead
McLean, Virginia, United States
HybridFull Time
10+ YOE5+ Mgmt10+ years software engineering; 5+ years technical leadership; agentic AI systems; IL5+ cloud; DoD compliance; leading multiple agile teams; Python/TypeScript expertise.
Python, TypeScript/JavaScript, REST, gRPC, OpenAPI, microservices, Kafka, SQS, SQL, NoSQL
1mo
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DevOps Engineer
Herndon or United States
RemoteFull Time
5+ YOEBachelor's degree and 5+ years in software, scripting, networking, infrastructure, system administration, and information security; AWS and automation experience.
Jenkins, GitLab CI/CD, AWS, Linux, Windows, Ansible, Terraform, CI/CD, Infrastructure as Code, Networking, Security
2mo
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Principal Controls Engineer
Houston or Arlington
HybridFull Time
Bachelor in Electrical/Electronics/Controls Engineering; Master’s preferred; MATLAB/Simulink expertise; power systems experience; Agile with Git; travel up to 5%; extensive control software development experience.
Matlab/Simulink, Stateflow, Jira, Confluence, Git, Linux, Modbus TCP, MQTT, DNP3, IEC 61850
1mo
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Senior Program Manager - Fixed Price Software Development Portfolio (5137)
Herndon or Hollywood
$175k-$235k/yr OnsiteFull Time
8+ YOESenior PM with fixed-price software delivery experience; Oracle financial systems expertise; EVM and GAAP knowledge; strong leadership and communication; 8–10+ years in software PM; BS with advanced degree preferred.
MS Project, Jira, Confluence, Smartsheet, Oracle ERP Cloud, EPM, HCM
1w
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Sr. Site Reliability Engineer III (6572)
Washington, District of Columbia, United States
$170k-$220k/yr HybridFull Time
7+ YOE7+ years experience in software development, systems engineering, or operations; TS/SCI clearance eligible; DoD 8140 cert; BS in CS or related field preferred.
Ansible, Desired State Configuration, GitLab CI/CD, Bash, MinIO, S3-compatible, PortWorx, F5, Kubernetes, VMware
6d
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Biomedical Engineer
Baltimore, Maryland, United States
OnsiteFull Time
2+ YOE2+ years in biomedical or systems engineering for medical devices; familiar with FDA 21 CFR 820, ISO 13485; cross-functional hardware, software, and biology experience.
2mo
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Technical Lead
Arlington, Virginia, United States
RemoteFull Time
8+ YOE5+ MgmtBachelor's in CS or related field; 8+ years software/systems engineering; 5+ years technical leadership; cloud/hybrid architecture; ASP.NET Core, Angular; cloud platforms (AWS/Azure/GCP); DevOps; cybersecurity and risk mitigation; strong leadership and communication.
ASP.NET Core, Angular, AWS, Azure, GCP, DevOps, Cybersecurity
2w
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AI Engineer, Marketing
Arlington or San Francisco or Washington
$128k-$161k/yr RemoteFull Time
5+ YOE5+ years in software engineering, data analytics, or automation; experience with LLMs, AI-powered marketing tooling, and cross-functional collaboration to build scalable GTM systems.
LLMs, Salesforce, Marketo, AI tools, data enrichment tools, automation platforms
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
19h
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SR. ENGINEER, SIGNAL OPTIMIZATION
Fairfax, Virginia, United States
$117k-$129k/yr OnsiteFull Time
4+ YOEBachelor's degree in civil/electrical/transportation engineering or related field plus 4 years of experience; expertise in traffic signal systems, ATMS, and traffic analysis software.
Synchro, SimTraffic, VISSIM, Open TMS, ATMS, ATSPM, RITIS, MUTCD, HCM, HSM
2mo
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Senior Applications Engineer
Washington, District of Columbia, United States
$100k-$110k/yr RemoteFull Time
5+ YOEBachelor's degree or 5 years in lieu; experience with software engineering for financial systems; SQL and multiple programming languages; strong communication and customer service; ability to multitask.
SQL, Java, C, C++, C#, Cold Fusion, Visual COBOL, Oracle, Windows, Linux, Client/Server, F5 Global Traffic Manager, Public Key Infrastructure, Cyber security
2w
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Principal Engineer, API & MCP Platform
Reston or Somerville
$220k-$250k/yr HybridFull Time
10+ YOE10+ years of software engineering; senior technical leadership; API-first platform design; distributed systems; cloud-native architecture; cross-team collaboration.
GCP, Vertex AI, BigQuery, Snowflake, APIs gateway (Apigee), API design tooling, MCP
2w
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Installation Engineer - HW - Southern US
Atlanta or Columbus or New Orleans or Wilmington or Rockville or Jacksonville or Tampa or Paducah or Cleveland or Bismarck or Fort Worth
OnsiteFull Time
2+ YOEOn-site installation of medical imaging and support equipment; customer liaison; diagnose, troubleshoot, and repair complex systems; install and upgrade hardware/software; document work.
Test Equipment, RF Energy Equipment, Networking, PC Based Systems, Electronic/Electrical Engineering
2mo
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Director of Strategic Accounts (Federal Systems Integrators)
Reston, Virginia, United States
$85k-$255k/yr OnsiteFull Time
Must have proven success selling to major Federal Systems Integrators; based in DC Metro; experienced in enterprise software sales; able to exceed quota; strong communication and C-suite engagement.
Salesforce, CRM
1mo
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Robotics Design Engineer
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years robotics systems experience; strong C++ and Python; ROS 2; robotics software architecture; simulation/digital twins; field integration; knowledge of ROS hardware integration.
ROS 2, C++, Python, DDS, QoS, Robot hardware integration, Sensor fusion, Real-time systems, Simulation
1w
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Senior Associate, Enterprise Application Developer
Washington or Baltimore
$62k-$99k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science or Information Systems; 3+ years in software development and automation; experience with Microsoft 365, SharePoint Online, CI/CD; scripting/programming in PowerShell, JavaScript/TypeScript, Python; Azure AD and APIs; strong problem-solving and communication.
Power Apps, Power Automate, Office Scripts, SharePoint Online, GitHub Actions, Azure, Azure AD, Graph API, Salesforce, SQL, JavaScript, TypeScript, Python, PowerShell
1mo
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Vulnerability Research Engineer
Washington, D.C., District of Columbia, United States
$115k-$181k/yr OnsiteFull Time
5+ YOEBachelor’s in STEM; 5+ years reverse engineering, malware analysis, or low-level software/firmware analysis; strong C/C++, Python; experience with disassemblers and debuggers; embedded systems knowledge.
IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, lldb, Python, C/C++
1d
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Power Platform/SharePoint Developer
Ashburn, Virginia, United States
$127k-$137k/yr HybridFull Time
7+ YOEB.S. in CS/Software Eng/Information Management Systems or related; 7+ yrs SharePoint Online; 5+ yrs Power Platform; DHS/Public Trust clearance; local Ashburn, VA hybrid.
SharePoint Online, Power Platform, Power BI, Power Apps, Power Automate, GitLab, Microsoft 365, JavaScript, HTML, CSS
2mo
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Senior System Engineer (TS/SCI with Full Scope Poly) {S}
Herndon, Virginia, United States
RemoteFull Time
5+ YOESenior Systems Engineer with TS/SCI Full Scope Poly, 5+ years, BS in CS/SE/IT, strong systems engineering, software dev experience, Agile, ability to travel.
Cameo, DOORS, DOOR Next Gen, GitLab, XML, JSON
1mo
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Mid & Experienced Mechanical Design Engineer – Multiple Sectors
Plano or Las Vegas or Denver or St. Louis or Philadelphia or Bentonville or New York or Nashville or Houston or Los Angeles or Kansas City or Lenexa or Phoenix or Northern Virginia
OnsiteFull Time
3+ YOEMid to experienced mechanical design engineer with HVAC and system design proficiency; requires CAD/HVAC software skills and PE/licensing considerations.
Bluebeam Revu, AutoCAD, Revit, IESVE, Trane Trace, Microsoft Office
3w
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Faculty Specialist
College Park, Maryland, United States
$115k-$138k/yr OnsiteFull Time
3+ YOEBachelor's degree in design or related field; 3-5 years in brand/digital design or front-end development; proficiency in HTML/CSS/JS; design systems; no-code/low-code tools.
HTML, CSS, JavaScript, Figma, Adobe Creative Suite, Webflow, Framer, Plasmic, Headless CMS, Canva AI, Midjourney, DALL-E, Notebook LM
1mo
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Electrical Engineer II
Towson, Maryland, United States
$90k-$120k/yr HybridFull Time
3+ YOEBachelor’s degree in electrical engineering; 3+ years in design of complex electrical systems; proficiency in AutoCAD/REVIT; EIT/LEED preferred; PE license preferred; MS Office; SKM or lighting design software beneficial.
AutoCAD, Revit, SKM, Lighting Design Software, Microsoft Office Suite
1w
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Mid-level Test Engineer
Ashburn, Virginia, United States
$95k-$125k/yr OnsiteFull Time
5+ YOE5+ years hands-on test engineering for hardware, software, and integrated systems; Bachelor's in engineering/physics/land surveying or equivalent; able to lift 20 lbs; detail-oriented; security clearance eligible; strong communication and documentation skills.
Test Procedures, Design Verification Procedures, System-level Test Plans, Test fixtures, Data analysis
2w
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ISSO (Cybersecurity) Engineer- Level 4
Annapolis Junction or Washington or Reston
OnsiteFull Time
13+ YOESenior-level ISSO with active TS/SCI and CI Poly; 13+ years in software/systems engineering or related field; HS diploma or GED; Security+ or IAT II/III; experience with RMF (DIA), IATT, ATO, SSPs/SAPs; SCIF work required.
Splunk, XACTA, RMF, ATO, SSP, SAP, POA&M
2w
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Bart & Associates - ISSO (Cybersecurity) Engineer- Level 4
Washington or Reston or Annapolis Junction
OnsiteFull Time
13+ YOESenior ISSO with TS/SCI and active CI poly; 13+ years in software/systems engineering; Security+ or IAT II/III; RMF/XACTA; Splunk; SCIF work.
Security+, XACTA, RMF, IATT, ATO, Splunk
1w
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Proton Therapy Service Engineer (Fairfax, VA, US)
Fairfax, Virginia, United States
$80k-$106k/yr OnsiteFull Time
Hands-on engineer to install, operate and maintain proton therapy systems; troubleshoot electrical, mechanical, and software issues; perform maintenance and support QA/fda standards.
Electrical systems, Mechanical systems, Software testing
2mo
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Baseband Reverse Engineer (In office 5x/week)
Sterling, Virginia, United States
OnsiteFull Time
Citizen with current Top Secret clearance; reverse engineering of RF/SDR; experience with SDR software and embedded systems; knowledge of RF protocols and testing; in-office work in Sterling, VA.
C, Python, C++, Git, Embedded Operating Systems, Ghidra, IDA Pro, GNU Radio, RFID, WiFi, Cellular, Bluetooth
1w
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ZenPoint Solutions LLC - Sr. Software Development Information System Security Engineer (ISSE) - U.S. Citizenship Required
Washington, District of Columbia, United States
OnsiteFull Time
8+ YOEUS citizen; TS clearance; 8+ years in cybersecurity; BS in CS or cybersecurity; experience with RMF/NIST; security tools; multiple certifications.
Tenable Nessus, Security Center, IBM Guardium, NMAP
1mo
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Senior Electrical Engineer- Energy in Boston, Massachusetts, United States
Boston or Newark or New York or Chicago or Washington
$128k-$159k/yr HybridFull Time
8+ YOEBachelor's or Master's in electrical engineering; 8+ years in renewable power/urban or utility scale; PE license or eligible; strong communication; experience with power system techno-economic evaluations and design software.
AutoCAD, PVSyst, Helioscope, Homer, Xendee
1mo
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Head of Platform
Arlington, Virginia, United States
OnsiteFull Time
10+ YOE10+ years building and scaling distributed systems; leadership of engineering teams; backend design; distributed data systems; eventual consistency/edge constraints; proficient in Go, C++, Java, or Rust; hands-on architecture and implementation.
Go, C++, Java, Rust
1w
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Jr UI/UX Designer (Contract)
Columbia, Maryland, United States
$25-$40/hr OnsiteContract
0+ YOEContract UI/UX designer with experience in Figma/Sketch, accessibility, design systems, and regulatory environments.
Figma, Sketch, Adobe CC, Claude Code, Lovable, Figma AI
3mo
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Applications Programmer (Java)
College Park, Maryland, United States
OnsiteFull Time
7+ YOEBachelor’s degree in Computer Science, Information Systems, Engineering, or related field; 7+ years Java EE enterprise app development; 5+ years with Eclipse, Git, Spring, Struts, JPA, Hibernate; 4+ years SQL (PostgreSQL/MySQL/Oracle); 4+ years Java integration with SQL/NoSQL/MongoDB; 2+ years REST APIs; strong n-tier/microservices; analytical/prob...
Eclipse IDE, Git, Java/J2EE, Spring, Struts, JPA, Hibernate, Angular, JavaScript, TypeScript, HTML, CSS3, JSP, Servlets, Web Services, REST APIs, PostgreSQL, MySQL, Oracle, NoSQL, MongoDB, Maven, ANT, Jenkins, ESB, JBoss Fuse, Veracode, AppScan, Fortify
4w
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Platform Engineer (Cyber System Assessments) MD (Ft Meade, MD, US)
Fort Meade, Maryland, United States
$113k-$152k/yr OnsiteFull Time
6+ YOEBS in CS/CE/Cyber Security with 6+ years or MS with 3+ years; experience designing or maintaining complex software platforms.
Kubernetes, Docker, containerd, podman, GitLab, Git, Terraform, Pulumi, Crossplane, Cluster API, Argo CD, Flux CD, Istio, Linkerd, Traefik, CKA, CKS, sigstore, trivy, GitLab CI, Tekton, Argo Workflows, CI/CD, 12-factor apps, Python, Go, C/C++
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
45% new in 30d
Salary visibility
53% show pay
Companies appearing in this market
Technology Service CorporationBabel StreetOffset Strategic ServicesPlanet LabsTaniumAESAgile DefenseAmerican College of Radiology
Work location mix in visible results
Onsite: 26Hybrid: 12Remote: 9