Leidos has a new and exciting opportunity for a Mid-Level Test Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.Join us and make a difference in National Security!

This position is based near Columbia, Maryland, with alternative duty locations in San Diego, California, Englewood, Colorado, or Huntsville, Alabama. Relocation assistance may be available for qualified candidates.

Job Summary

Leidos is seeking a Mid-Level Test Engineer to join a high-impact, multi-agency program serving the United States Space Force (USSF) / Space Systems Command (SSC), the United States Air Force (USAF), and other critical mission stakeholders. The selected individual will play key role in enhancing, testing, and deploying a large-scale Satellite Communications (SATCOM) system to an existing infrastructure. The ideal candidate brings deep expertise in public key infrastructure (PKI) and key management, excels at complex problem solving, and has a strong record of delivering results as part of a high-performing team in a fast-paced Agile Development environment. This position offers a unique opportunity to enhance the resilience and cybersecurity of mission-critical communications that protect our nation.

Primary Responsibilities:

• Perform manual component, integration, system, and end-to-end testing of software applications.

• Develop, write, and execute system-level and integration-level test procedures and test reports.

• Evaluate software changes and verify defect corrective actions identified during development, testing, and operational use.

• Utilize basic system administration skills and work with physical equipment in a test lab environment.

• Develop test data, define test acceptance criteria, and create test methodologies for subsystem interfaces and software modules.

• Understand all software components and their interface requirements to ensure comprehensive test coverage.

• Review and contribute to test plans and test procedure documentation as part of a broader test organization.

• Collaborate closely with Manual Test, Automation, and framework/infrastructure teams to support regression and system testing.

• Support software configuration management processes related to test artifacts and environments.

• Work collaboratively with Software Development, Systems Engineering, Integration, Deployment, and Sustainment teams.

Basic Qualifications:

• Bachelor's degree in a technical field and at least 8 years of related experience. Additional relevant work experience may be substituted for a degree.

• Must have experience testing through a full system development life cycle, including implementing test plans, test cases, and test processes.

• Must have experience participating in formal test events (Acceptance Test, User Acceptance Test, Software Final Release Test, Maintenance Release Test, etc.).

• Must have experience collaborating with software developers to create formal test procedures.

• Must have experience working with physical equipment in a test lab environment.

• Must have experience collecting, analyzing, presenting test results verbally and reporting test results in writing.

• Must have experience utilizing elevated privileges to set up and execute manual test procedures.

• Must have experience documenting test results for corrective actions, reporting, and audits.

• Must have experience testing systems from existing system and functional specifications.

• Must have strong communication skills and be able to successfully communicate with both management and technical personnel.

Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications:

• Experience working with or in military Satellite Communications (SATCOM) organizations such as United States Air Force (USAF), United States Space Force (USSF), or another Agency.

• Experience working with Public Key Infrastructure (PKI)/ key management programs and technologies.

• Experience with Behavior Driven Development (BDD) and Test-Driven Development (TDD).

• Experience using automated test tools.

• Experience with programming and scripting languages (i.e., Java, shell, Python, etc).

• SAFe Agilist or DevOps certification.

• Experience working in an Agile Development Environment or on an Agile Team.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you –Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.