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Mid Level Computer Science Volunteer Jobs (NOW HIRING)

ActioNet

Mid Level Developer

Rosslyn, VA

$179K/yr

... Computer Science, Information Technology, or a related field • 3-7 years of experience in software development or application engineering • Proficiency in programming languages such as Python ...

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Infographic showing various Mid Level Computer Science Volunteer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 12% Part Time, and 2% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution, with an average salary of $39,804 per year, or $19.1 per hour.

Test Systems Engineer - Mid Level

Mission Intel

Springfield, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago

Job description

Test Systems Engineer (Mid-Level)
Mission Intelligence Group is seeking a Mid-Level Test Systems Engineer to support enterprise testing across complex GEOINT environments. This role enables mission-critical capabilities across the National System of Geospatial-Intelligence (NSG), Allied System of Geospatial-Intelligence (ASG), and Federal partners, ensuring timely and accurate GEOINT delivery.
Your Role
As a Mid-Level Test Systems Engineer, you will execute and support application, system, and integration testing efforts across distributed environments. You will work within traditional, Agile, and DevOps pipelines to validate system performance, support defect resolution, and ensure compliance with mission requirements.
Key Responsibilities
  • Perform test and evaluation activities across NSG, ASG, and Federal Agency environments
  • Execute testing of applications and APIs within DevOps pipelines using government and industry quality standards
  • Conduct independent integration testing of system software and hardware to verify compliance with requirements
  • Plan and execute manual test cases and automated test scripts using scripting and programming languages
  • Support technical investigations, defect identification, and issue resolution during testing activities
Required Qualifications
  • Bachelor's degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or a related STEM field, or:
    • 6+ years of experience as a Test Systems Engineer in lieu of a degree
  • 6+ years of experience with test management and defect-tracking tools
  • Experience working within traditional, Agile, and DevOps development environments and associated testing strategies
  • Active TS/SCI clearance, with ability to obtain SCI and successfully pass a polygraph
Desired Qualifications
  • Master's degree in Computer Science, Information Technology, Management Information Systems, or a related STEM field
  • Experience with three or more of the following tools and technologies:
    • JMeter, Jenkins, Docker, Postman, Swagger, Nexus, Apigee
    • GitHub / GitLab
    • Java, Bash, Curl, XML, JSON, SQL, Python, JavaScript
    • AWS and C2S
  • Working knowledge of Model-Based Systems Engineering (MBSE) processes, tools, and languages
  • Working knowledge of software development frameworks
Why Mission Intelligence Group
At Mission Intelligence Group, engineers are trusted to focus on mission outcomes, not bureaucracy. You will work alongside experienced GEOINT professionals who value clear communication, disciplined engineering, and systems that work as intended in operational environments.
We offer a competitive salary and a comprehensive benefits package, including:
Medical, Dental, and Vision
401(k)
Life Insurance
Flexible Spending Account
Paid Time Off
Join Our Team
If you are motivated by supporting GEOINT analysts, improving mission systems, and delivering reliable capabilities to the operational community, we invite you to apply.

Apply