65 software development process engineer jobs at 39 companies in Fredericksburg, VA

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Software Engineer
Springfield, Virginia, United States
OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOEU.S. citizen with active TS/SCI and ability to pass CI polygraph; 3+ years software development/scripting (Python, Bash); experience with data processing, workflow automation, troubleshooting, and collaboration on AI/ML evaluation workflows.
Python, Bash, APIs, AI/ML, GEOINT, Agile, DevSecOps
2w
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Mission Software Engineer
Reston, Virginia, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOEWilling to travel up to 50% (Asia Pacific), fluent Mandarin, strong software engineering background, experience with Go/Rust/Python and React/Angular, systems-level and data-processing experience.
Go, Rust, Python, React, Angular
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Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
9+ YOEActive Top Secret clearance, 9+ years software development (7+ with MS), expert Python, experience with scientific/sensor data processing, ML workflows, Git-based source control, and strong communication skills.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust
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Software Engineer
Springfield, Virginia, United States
OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: Provides software and technical solutions in support of defense and intelligence missions.
3+ YOEU.S. citizenship with active TS/SCI and CI polygraph (or ability to pass), 3+ years software/scripting experience, familiarity with Python/Bash, experience supporting data processing, workflow automation, or AI/ML test & evaluation.
Python, Bash, APIs, AI/ML, DevSecOps, Agile
2mo
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Software Engineer
Ypsilanti or Chantilly or Denver
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
4+ YOEActive TS/SCI clearance; BS/BA in CS/EE/physics or related field; 4 years software or signals processing experience; Python/C++/Rust; Linux and cloud (AWS) experience; onsite in the US; up to 10% travel.
Python, C++, Rust, Linux, AWS
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Software Developer - TS/SCI
Herndon or Chantilly
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOETS/SCI required; Bachelor's degree in EE/CS/CE; 5+ years software development experience (2+ years Python/C++, 4+ years Linux); experience with Git, signal processing, ML, AWS, Docker, Kubernetes, and HPC.
Python, C/C++, Linux, Git, X-Midas, OpenCV, Amazon Web Services (AWS), Keras, Qt/PyQt, Android, PyTorch, TensorFlow, Docker, Kubernetes, Gitlab CI/CD, CUDA
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Software Developer (Mid) TS/SCI
Arlington, Virginia, United States
$130k-$145k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOEActive DoD TS/SCI clearance, 5+ years software development experience, bachelor’s degree (or equivalent experience), AWS certifications, experience with backend languages and frameworks, Agile/SDEL processes, and DevOps/tooling experience.
Java, JavaScript, Go, Python, TypeScript, .NET, Java Development Kit, Spring, Node.js, Gin, AngularJS, React, Next.js, NestJS, Google Web Toolkit, Hibernate, Struts, Git, GitLab, Terraform, Splunk, HashiCorp Vault, JIRA, Jenkins, Ansible, Amazon Web Services GovCloud, PostgreSQL, Amazon RDS, Keycloak, OIDC, SAML, Microsoft Windows Server, Linux
4w
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Junior/Mid-level Software Engineer
Washington, District of Columbia, United States
$100k-$120k/yr OnsiteFull Time
Envisioneering
Envisioneering: Provides engineering, R&D, and electronic warfare solutions for defense.
1+ YOEBS in Engineering/CS, active U.S. Secret clearance, 1+ years Python development experience, familiarity with Windows/Linux, instrument integration, and data processing/analysis.
Python, NumPy, SciPy, matplotlib, seaborn, Bokeh, HDF5, GitLab, C++, gcc, cmake, Visual Studio, Linux, Windows, VISA, TCP/IP
2mo
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Senior Software Simulation Engineer
Chantilly, Virginia, United States
$90k-$150k/yr OnsiteFull Time
By Light
By Light: Provides IT and technology services to federal government agencies.
5+ YOEBS in Engineering/Computer Science,5+ years SWE experience,proficiency in C/C++/FORTRAN/Ada/C#,Visual Studio,GCC/Makefiles,Windows and Linux,software engineering processes,and ability to obtain Secret clearance.
C, C++, FORTRAN, Ada, C#, Microsoft Visual Studio, GCC, Makefiles, Windows, UNIX/Linux, HLA/DIS
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AWS Geospatial Software Engineer
Springfield or McLean or Chantilly or Reston
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years cloud-first software development experience; strong backend (Java, Python, Go, C++) and frontend (JavaScript/TypeScript) skills; 3+ years with geospatial processing, AWS services, and Infrastructure as Code; active TS/SCI clearance required.
Java, Python, Go, C++, JavaScript, TypeScript, HTML, CSS, ECS, EKS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, AWS CDK, Terraform, CloudFormation, Docker, Kubernetes, API Gateway, MongoDB
2mo
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Software Quality Assurance Engineer III
Washington, District of Columbia, United States
$121k-$176k/yr OnsiteFull Time
Vantage Systems
Vantage Systems: Providing engineering and technical services for space and aviation missions.
SECRET clearance required; advanced degree with years of experience or extensive equivalent experience; experience overseeing software development and QA processes.
Tracking tools, Relational databases, Test management tools
3w
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Embedded Software Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
Command Post Technologies
Command Post Technologies: Providing cybersecurity and engineering services to government defense agencies.
6+ YOEBS in technical field, 6 years professional experience developing embedded C/C++ software for Linux/SoC platforms, FPGA integration, DMA and real-time processing; strong debugging and communication skills.
C, C++, Linux, SoC, FPGA, DMA, POSIX threads, ARM NEON, VOLK, Eigen, GPU, Industrial I/O (IIO), sysfs, ioctl, Yocto, PetaLinux, Buildroot, JTAG, SWD, oscilloscopes, logic analyzers, Git, Python, FreeRTOS, VxWorks, QNX, RTEMS
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Sr. AI Software Engineer
Herndon or King of Prussia or Littleton
$105k-$185k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Requires TS/SCI clearance and US citizenship. Demonstrated Python development, cloud platform knowledge (AWS/Azure/GCP), CI/CD experience preferred, familiarity with ML frameworks and RF/SAR/EO processing, strong communication and teamwork skills.
Python, AWS, Azure, GCP, Jenkins, GitLab, JavaScript, TensorFlow, PyTorch, Scikit-learn
1w
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Principal Software Engineer, Splunk Analytics and Search
Seattle or Austin or Research Triangle Park or Arlington or Boston or Atlanta or Bellevue
$223k-$295k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
10+ YOEBachelor/Master/PhD-level experience (or equivalent) with 10+ years in designing large-scale distributed systems, production software, search/query processing, cloud platforms, and experience with C++ and SQL.
C++, SQL, AWS, Spark, Presto, Athena, Splunk
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Senior .Net Full Stack Software Engineer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
8+ YOERequires 8+ years full-stack software engineering, Bachelor's in a technical field, active TS/SCI clearance and U.S. citizenship, experience with large-scale data processing, SDLC, integration, testing, and mentoring.
.Net
3w
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Robotic Process Automation (RPA) Developer
Washington, District of Columbia, United States
$80k-$120k/yr HybridFull Time
Pantheon Data
Pantheon Data: Provides professional services including IT, engineering, and program management.
4+ YOEAssociate degree in CS/Engineering/Information Systems or equivalent, 4 years experience (or 3 with a Bachelor's), CAP Essentials preferred, Public Trust eligibility, proficiency with Outlook/Word/Excel/SharePoint/PowerPoint.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft SharePoint, Microsoft PowerPoint
2w
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Software Developer - ServiceNow and Javascript
Herndon, Virginia, United States
OnsiteFull Time
Ardent Principles
Ardent Principles: Provides specialized technology and program management services to government agencies.
Active TS/SCI with Full Scope Polygraph required; strong ServiceNow and JavaScript experience; familiarity with HTML/CSS, Flow Designer, and automated testing; platform customization and process analysis skills.
JavaScript, ServiceNow, HTML, CSS, ServiceNow Automated Test Framework (ATF), Flow Designer
3w
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Digital Signal Processing Software Engineer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years software development with Python/C/C++; experience with DSP algorithms or RF theory; Agile (Jira/Confluence); TS/SCI clearance with polygraph; bachelor’s degree in a STEM field.
Python, C, C++, Jira, Confluence, VHDL, Verilog, CoreFire, TensorFlow, Keras, PyTorch, GitHub, Linux
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Radio Frequency Software Engineer Principal - 1660
Reston or United States
$150-$200/hr RemoteContract
Global InfoTek
Global InfoTek: Provides cybersecurity and advanced technical solutions for government agencies.
10+ YOE10+ years software engineering experience; expert Python; experience with compiled languages (Rust/C/C++/Go), stream processing, databases, FlatBuffers/Protobuf, Linux administration, GitLab CI/CD; BS degree or equivalent experience; US citizenship and Public Trust eligibility required.
Python, Rust, C, C++, Go, MySQL, PostgreSQL, FlatBuffers, Protocol Buffers, DuckDB, Parquet, Polars, ZeroMQ, RabbitMQ, GitLab, Git, SSH, Jupyter Notebooks, React, D3, Claude Code, GitHub Copilot, JetBrains AI Assistant, Network Description File (NDF), TNS (Target Network System)
2mo
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DS Systems Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Probity
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
Strong Java and data processing skills; ETL, SQL, and REST APIs in Big Data/cloud environments.
Java, J2EE, EJB, JDBC, Spring, REST, ETL, Linux, Cloud, Hadoop, Elasticsearch