Junior Manual Test Engineer

Leidos LLC; Maryland; On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos is seeking a Junior Manual Test Engineer to perform component, integration, and system-level testing on a fast-paced, mission-critical program. You will write and execute test procedures, evaluate software changes, and verify defect corrections within a dynamic lab environment.

The role supports a test organization with automation and regression testing, requiring collaboration with software, systems, and deployment teams. TS/SCI with polygraph is required.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Statistics, or related field with at least 2 years of relevant work experience.
• Experience with SDLC and basic testing concepts (test cases, test plans, defect tracking, regression testing).
• Experience in software testing, system administration, and/or QA, with ability to log, track, and retest defects.

Responsibilities

• Perform system testing of components and integration testing through end-to-end evaluation.
• Document test results for corrective actions, reporting, and audits.
• Develop test methodologies and perform subsystem interface and software module testing.
• Develop and implement test procedures and test reports.
• Review test plans and define test acceptance criteria.
• Develop and refine test data.
• Identify interface requirements for software components.
• Support the software configuration management process.
• Provide system testing input for test procedures/documentation.

Skills

Software testing

SLDC basics

Team collaboration

Attention to detail

Problem solving

Agile experience

Testing documentation

Education

Bachelors in CS/Engineering

Tools

JIRA

Azure DevOps

Automated test tools

SQL

Job description

Junior Manual Test Engineer Leidos has a new and exciting opportunity for a Junior Manual Test Engineer.

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!

Leidos has an exciting opportunity for a Junior Manual Test Engineer on an important, fast-paced, mission critical program. The selected candidate will perform component, integration, and system level testing by writing and executing system-level test procedures, evaluating changes made to software applications, and verifying defect corrective actions discovered during development, testing, and/or operational use. The selected candidate will join the existing Manual Test Team in support of a fast-paced, dynamic software development program. The Manual Test team is part of a test organization that includes teams that automate regression tests and maintain a complex testing framework and infrastructure. The selected individual will utilize basic system administration skills and will work with physical equipment in a test lab environment.

Primary Responsibilities

• Perform system testing of components (modules) and integration testing through system and end-to-end evaluation.
• Document test results for corrective actions, reporting, and audits.
• Develop test methodologies and perform subsystem interface and software module testing.
• Develop and implement test procedures and test reports.
• Review test plans and define test acceptance criteria.
• Develop and refine test data.
• Identify interface requirements for software components.
• Support the software configuration management process.
• Provide system testing input for test procedures/documentation.
• Assist the Software Development, System Engineering, Integration, Deployment, and Sustainment Teams with test-related tasking when necessary.

Basic Qualifications

• Bachelor’s degree in Computer Science, Engineering, Statistics, or a related discipline and at least 2 years of prior relevant work experience.
• Additional experience may be substituted for a degree.
• Experience/familiarity with the software development lifecycle (SLDC) and basic testing concepts (test cases, test plans, defect tracking, regression testing, etc.).
• Experience in software testing, system administration, and/or quality assurance.
• Experience executing test cases and documenting results clearly and accurately.
• Ability to log, track, and retest defects using a bug-tracking tool (e.g., JIRA, Azure DevOps, or similar).
• Basic skills with SQL or data verification (e.g., validating results in a database or log files).
• Experience working with physical hardware and equipment for software integration.
• Ability to work collaboratively in a team environment and communicate clearly with other testers, developers, system engineers, and other stakeholders.
• Must have strong attention to detail and the ability to follow test scripts and procedures.
• Strong problem-solving skills and willingness to learn new tools and technologies.

Preferred Qualifications

• Experience participating in formal test events such as Acceptance Test, User Acceptance Test, Software Final Release Test, Maintenance Release Test, etc.
• Experience/familiarity 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).
• Experience working on an Agile program.

Clearance Required: Must have TS/SCI with Polygraph.

Pay Range

Pay Range $69,550.00 - $125,725.00

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

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.

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: April 8, 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.

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.