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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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1676 - Systems Engineer
Washington, District of Columbia, United States
$135k-$160k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOEU.S. citizen with high school/GED plus 15+ years, Bachelor’s with 15+ years, or Master’s with 10+ years in Surface Radar/ECM/EO/IR/Lasers software system design and test.
Model-Based Systems Engineering, Cybersecurity RMF, Simulation
2w
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Consultant (Software Implementation, Public Sector)
McLean, Virginia, United States
OnsiteFull Time
1+ YOE1+ years software development or technical consulting; US citizenship; B.S./B.A. in Engineering, Computer Science, Information Systems, Mathematics or related field; willingness to travel up to 10% annually.
AWS, Google Cloud, AI, Machine Learning, Analytics, Application Integration, Database, REST, SOAP, JDBC, Elastic Containers, Jenkins, CI/CD
1mo
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Director, Software Engineering
Santa Barbara or San Diego or Dallas or Atlanta or Chicago or San Francisco or Washington or Denver
$216k-$270k/yr RemoteFull Time
8+ YOE5+ MgmtBS/MS/PhD in Computer Science or related field; 8+ years hands-on software development; 5+ years hiring/managing engineering teams; platform engineering and DevEx leadership; experience with CI/CD, build systems, and large-scale distributed systems.
Terraform, Bazel, ArgoCD, Backstage, GetDX, JellyFish, CI/CD, Infrastructure as Code
1w
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SETA Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOEBachelor’s degree and 8+ years’ experience; TS/SCI with polygraph; SETA support in IC; systems engineering for complex technical systems; space systems experience; knowledge of AI architectures and software lifecycle.
AI architectures, Agile, Software Development Lifecycle, IC acquisition policies, Systems engineering
1w
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Senior Systems Engineer - TS/SCI
Bethesda, Maryland, United States
$131k-$237k/yr OnsiteFull Time
12+ YOESenior Systems Engineer with 12+ years in software development or systems engineering; TS/SCI clearance with polygraph; BS degree or equivalent; leadership of scrum teams; MBSE experience.
Gitlab, JIRA, Confluence, MBSE, Python, Java, React, Linux, Jenkins, Bamboo
2mo
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Graph Database Engineer (TS/SCI with Poly Required)
Chantilly, Virginia, United States
$164k-$275k/yr OnsiteFull Time
10+ YOE5+ years software development; node.js systems software; graph databases experience (JanusGraph); Linux development; Git workflows; data modeling.
NodeJS, JanusGraph, ElasticSearch, Git, Linux, Kubernetes, Express, MongoDB, Cassandra, RabbitMQ, AWS SQS, Jenkins, Argo CD
2w
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Intern - Systems, Software, Electrical Engineer)
Greenbelt, Maryland, United States
$30/yr OnsiteInternship
0+ YOEEnrollment in an accredited degree program in computer, electrical, systems, or software engineering; junior or senior; onsite internship in Greenbelt, MD; ability to obtain Secret clearance.
3w
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Java Developer
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOESecret clearance, TS eligibility; 5+ years Java development; Bachelor's in CS/IT/Software Engineering; strong Java, OOP, Spring/Spring Boot, Hibernate/JPA; API development and security with government/commercial systems.
Java, Spring, Spring Boot, Hibernate, JPA, REST, Eclipse IDE, SQL Server, T-SQL, Git, CI/CD, .NET (preferred), C#, VB, OOP
2w
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Systems Engineer - MBSE Specialist
King George, Virginia, United States
OnsiteFull Time
3+ YOECitizen with ability to obtain/maintain Secret clearance; BS in engineering/science/technical field or equivalent; 3+ years systems engineering; 1+ year software-centric systems engineering; MBSE experience with modeling tools; strong communicator.
Cameo Systems Modeler, MagicDraw, IBM Rhapsody, MATLAB/Simulink, SysML
2w
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Systems Engineer 2
Tysons, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering with 2+ years of progressive experience; hardware/software integration; requirements management; travel up to 10%.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Visio
1mo
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DARPA Systems Engineer, TS/SCI
Virginia, United States
OnsiteFull Time
7+ YOESeven+ years of IT experience in hybrid software/web/hardware, DoD R&D experience, system integration, and independent problem solving.
1mo
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.NET Application Developer 3
Suitland, Maryland, United States
OnsiteFull Time
10+ YOETen years of software engineering experience; UI and backend development using Microsoft stack; Federal HR/payroll systems knowledge.
C#.NET, VB.NET, ASP.NET, CSS, JavaScript, JQuery, JSON, Bootstrap, SFTP, SQL Server, SSIS, SSDT, Visual Studio, Team Foundation Server, Microsoft SQL Server Management Studio
2mo
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Full Performance Systems Engineer
Reston, Virginia, United States
OnsiteFull Time
7+ YOEBachelor's in Systems Engineering/Computer Science; 7+ years in systems engineering; strong SE principles, verification, design reviews; modeling/simulation; hardware/software integration; TS/SCI clearance.
Modeling tools, Simulation tools
1mo
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Full-Stack Developer-TS/SCI/Polygraph
Tysons or Tysons or United States
$110k-$189k/yr HybridFull Time
5+ YOE5+ years software development; TS/SCI with Polygraph; BS in CS/CE/Systems/DS; experience in secure/government environments
React, Vue.js, Angular, Docker, Kubernetes, Terraform, Ansible, AWS, Azure, Google Cloud, ETL, CI/CD, APIs
3mo
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Systems Engineer (TS/SCI) {S}
Ypsilanti or Chantilly
OnsiteFull Time
U.S. citizen with TS/SCI clearance; full-time on-site; bachelor’s in a technical field or four years of related experience; experience in system engineering for software programs; Scrum/Agile with Jira.
Jira, AWS, Microsoft Office
1mo
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Lead Systems Engineer (Hybrid)
Reston, Virginia, United States
$113k-$225k/yr HybridFull Time
8+ YOELead the infrastructure solution, implement and support End User services; extensive Exchange and Active Directory experience; ITIL Foundations; 8+ years in software systems design and implementation.
Microsoft Exchange, Active Directory, PowerShell, Office 365, Exchange Online, Identity and Access Management, TCP/IP networking, Security best practices
3w
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System Engineer/Developer (Federal)
Rockville, Maryland, United States
OnsiteFull Time
5+ YOE5+ years of .NET System Engineer/Developer experience in federal environments; strong C#, .NET MVC, SQL Server, cloud services; agile development and deployment; federal contracting experience.
C#, .NET, SQL Server, Cloud, UI frameworks
2w
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Principal Systems Engineer (Product Owner) - NASA
Annapolis, Maryland, United States
RemoteFull Time
10+ YOE5+ Mgmt5+ years leading technical software teams; 5 years with geospatial data and open source tools; strong communication; AWS and agile tools; Bachelor’s; 10+ years in software/systems engineering.
AWS, Git, Docker, NetCDF, HDF, GeoTIFF
3w
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Java Developer
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOESecret clearance, 5 years Java exp; Bachelor's in CS/IT/Software Eng; strong Java, OOP, REST, Spring/Spring Boot, Hibernate, SQL; government/enterprise systems experience.
Java, Spring, Spring Boot, Hibernate, JPA, REST, SQL, Git, Eclipse, .NET, C#
3mo
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Cloud Architecture Systems Engineer
Manassas or Middletown
OnsiteFull Time
3+ YOEBachelor’s degree in engineering; 3+ years systems engineering on software-intensive systems; Secret clearance or ability to obtain; experience with Linux, Confluence, Jira; ability to work in multi-team environment.
Linux, Confluence, Jira
2mo
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Systems Support Engineer
Washington, District of Columbia, United States
$90k-$140k/yr OnsiteFull Time
5+ YOE5+ years in technical support/engineering; BS in CS/Engineering; strong communications; SQL/MS SQL Server; hardware, software, networking; travel required.
JIRA, Confluence, Splunk, SQL Server Management Studio, Microsoft Server, TCP/IP, PowerShell, Java, Tomcat, MSSQL, C#, C++, Python, HTML, JSON, XML
1mo
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Senior GIS Developer
Fairfax, Virginia, United States
RemoteFull Time
10+ YOETen+ years GIS software development; 7+ years Java; US Citizenship with ability to obtain Public Trust; Bachelor’s in Computer Science or Information Systems; strong ArcGIS/PostGIS experience; RESTful services; AWS; React/JavaScript framework knowledge.
React, NextJS, ExtJS, OpenLayers, Java, REST, AWS, React Native, Swift, PostGIS, PostgreSQL, ArcGIS Server, ArcGIS Desktop/Pro, ArcPy, Esri File Geodatabases (FGDB), MapServer, GeoServer, IIS, C#/.NET, ESRI ArcGIS JavaScript API
3w
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Graph Database Engineer (2026-0080)
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOE5+ years of systems software development experience; NodeJS; graph databases (e.g., JanusGraph); data modeling; Linux; Git workflows; TS/SCI with Polygraph preferred.
Node.js, JanusGraph, ElasticSearch, Git, Linux, Express, MongoDB, Cassandra, Kubernetes, Jenkins, Argo CD, RabbitMQ, AWS SQS
2w
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Principal Application Engineer
Frederick, Maryland, United States
$141k-$194k/yr HybridFull Time
10+ YOE10+ years software design and development; 10+ years OO languages (C# preferred); 3+ years distributed systems; cloud/DevOps; full stack; agile; strong communication; leadership potential.
C#, .NET Core, .NET Frameworks, Web Services, Micro-services, SQL, Entity Framework, HTML, HTML5, CSS, TypeScript, JavaScript, JQuery, Angular, unit testing (nUnit, MSTest, Jasmine, Karma), Jira, Confluence, Git, Bitbucket, Docker, Kubernetes, Azure, AWS, GCP
1w
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Systems Integrator
Rockville, Maryland, United States
$118k-$201k/yr HybridFull Time
3+ YOEBachelor's degree in computer science or software engineering; 3+ years software integration and systems development; strong IT and software development background; experience with training environments.
4w
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Test Engineer
Vienna, Virginia, United States
$105k-$130k/yr OnsiteFull Time
4+ YOEFour years of software testing experience; TS/SCI clearance; able to adapt to changing priorities; expert in system design and large-scale databases.
JIRA, QTP, LoadRunner, Selenium
2mo
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Devops Engineer - Federal
Washington, District of Columbia, United States
RemoteFull Time
2+ YOE2+ years software engineering; federal/government experience; compliance and security controls; Python/TypeScript; strong distributed systems skills.
Python, TypeScript
6d
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Senior Application Engineer
Vienna or Winchester or Pensacola
$115k-$180k/yr HybridFull Time
5+ YOEBachelor’s degree in Computer Science, Information Systems, or related field; 5–7 years in application/software development; Azure cloud experience; proficient in SQL, Python, JavaScript; strong communication and problem-solving.
SQL, Python, JavaScript, HTML/CSS, Azure, Azure Compute, Azure Storage, Azure Data & Analytics, Git
2w
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Senior Integrations Engineer
Seattle or Baltimore
$150k-$185k/yr RemoteFull Time
5+ YOE5+ years in software engineering with external system integrations; strong API, integration pattern expertise; enterprise MarTech experience; excellent communication and ownership.
REST, Webhooks, OAuth, Pagination, Rate limiting, Retries, Error handling, Braze, Salesforce Marketing Cloud, Adobe Experience Platform, Contentful, AEM
2mo
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Senior Computer Scientist/Engineer
Tampa or Fort Belvoir
OnsiteFull Time
8+ YOESenior software architect and systems integration expert with DoD experience; strong leadership and collaboration skills.
Software architecture, RF engineering, Signal processing, Sensors, Radar, Communications systems, Electronic warfare, AI/ML
2w
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Sr. Staff Embedded AI Engineer
Columbia, Maryland, United States
HybridAll Commitments Available
6+ YOE6+ years in embedded systems software; strong C/C++; Python; experience deploying ML to resource-constrained systems; ML frameworks; optimization for embedded targets.
C/C++, Python, TensorFlow, PyTorch, CMSIS-NN, RTOS, Embedded tooling
5d
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AI Staff Engineer (SW Engineer IV+)
Philadelphia or Boston or New York City or Baltimore or Washington D.C. or Charlotte or Raleigh-Durham or Atlanta or Chicago
$170k-$220k/yr HybridFull Time
8+ YOE8+ years software engineering; experience with Python/JS/TS; data pipelines; AI/ML production; cloud-native systems (AWS); strong cross-functional collaboration.
Python, JavaScript/TypeScript, AWS, Databricks, Spark, Snowflake, AI/ML
4d
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Lead Agentic AI Engineer
Lanham, Maryland, United States
$165k-$175k/yr RemoteFull Time
6+ YOE6+ years software engineering with 2+ years AI/ML or agentic systems; shipped agents; strong Python; enterprise integration experience.
Python, LLM APIs, Vector databases, Embeddings, Retrieval systems, Orchestration, APIs, CRMs
4w
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Backend Developer, Data Platform
Reston, Virginia, United States
$113k-$188k/yr HybridFull Time
5+ YOE5+ years backend software engineering; strong Python; PostgreSQL; Elasticsearch; AWS (S3, RDS); TS/SCI clearance with CI polygraph; Bachelor's in CS/Systems Eng or equivalent; strong debugging and CI/CD skills.
Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, Docker, OpenShift, Helm, Gitlab CI, CI/CD
2mo
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Graph Database Engineer (JanusGraph) - TS/SCI w/Poly
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in systems software development with NodeJS; strong graph DB (JanusGraph) experience; solid design patterns; Linux and Git; basic data modeling; CI/CD; team collaboration.
NodeJS, JanusGraph, Express, MongoDB, Cassandra, ElasticSearch, Kubernetes, Jenkins, Argo CD, RabbitMQ, AWS SQS, Git
1mo
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SharePoint Developer
Washington, District of Columbia, United States
$110k-$120k/yr OnsiteFull Time
5+ YOE5+ years of SharePoint client-side development experience; Bachelor’s in Information Systems, Computer Science, or related field; strong JavaScript framework experience.
JavaScript, jQuery, CAML, XSLT, REST API, React, AngularJS, dotNet MVC, Power BI, Power Automate, PowerApps, InfoPath, SharePoint Designer, SharePoint, PowerShell
4w
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Principal Engineer - Agentic AI Applications
Washington, District of Columbia, United States
$168k-$230k/yr HybridFull Time
12+ YOE12+ years software engineering; 4+ years in technical leadership; production experience with LLM-powered or agentic systems; Python backend expertise; strong observability, architecture, and testing skills
Python, LangGraph, AutoGen, CrewAI, TypeScript, Node.js, RAG pipelines, vector databases, tool-calling APIs, multi-step reasoning
1mo
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Lead Infrastructure Systems Engineer
Washington, District of Columbia, United States
OnsiteFull Time
Essnova Solutions: Provides professional and technical services to government entities.
9+ YOETS/SCI clearance, Bachelor’s in CS/CE/Software Eng, 9+ years cloud design, lifecycle service management, and delivery experience.
Azure, Azure Solutions Architect Certificate
2mo
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Senior Full Stack Engineer, Data Systems
Washington, District of Columbia, United States
$190k-$230k/yr HybridFull Time
7+ YOE7+ years in large-scale data-intensive web apps; Python/JavaScript; cloud databases and data pipelines; leadership and mentoring; strong cross-team communication.
Python, JavaScript, Django Rest Framework, Next.js, BigQuery, Kafka, PySpark, Apache Flink, Elasticsearch, ClickHouse
1mo
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Application Developer
McLean, Virginia, United States
HybridFull Time
3+ YOEDevelop, customize, test, and maintain PRISM-based applications; experience with Oracle tools; Java/J2EE or C#; enterprise systems; Agile; Bachelor's degree plus 3 years of experience.
Oracle development tools, Java, 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
55% new in 30d
Salary visibility
48% show pay
Companies appearing in this market
AppianBAE SystemsCareFirst BlueCross BlueShieldGeneral Dynamics Mission SystemsIntelliDyneSoutheastern Computer ConsultantsKBRLMI
Work location mix in visible results
Onsite: 34Hybrid: 14Remote: 8