Mid/Sr. Manual Test Engineer TS/SCI Poly

Leidos; Annapolis (MD); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with company match

Flexible Schedules

Education and Training Support

Parental Paid Leave

Job summary

Leidos is seeking a Mid/Sr Manual Test Engineer for a fast-paced, mission-critical program in the Intel Sector's CABA. You will perform manual, system, and integration testing, develop test procedures, and verify defect corrections throughout the SDLC.

You will join a team maintaining a robust testing framework and lab environments. Responsibilities include coordinating priorities with engineers and stakeholders, preparing environments, and executing formal and informal tests.

Qualifications

• Bachelor's degree in a technical field or equivalent experience.
• 8+ years of related experience as a Test Engineer with full SDLC.
• Experience with formal test events and documenting test results.
• Experience collaborating with developers to create test procedures.
• Experience testing with physical lab equipment and summarizing results.
• Strong communication skills for management and technical teams.

Responsibilities

• Coordinate testing priorities with engineers and customer stakeholders.
• Work with test teams to prepare environments, develop test procedures, and execute testing.
• Identify cross-team dependencies for release testing events.
• Perform manual component, integration, system, and end-to-end testing.
• Develop and execute system and integration test procedures and reports.
• Evaluate software changes and verify corrective actions.
• Develop test data, acceptance criteria, and methodologies.
• Plan and oversee regression testing across builds/images.
• Engage with customer contacts for formal test milestones and events.
• Understand components and interfaces to ensure coverage.

Skills

Manual testing

System testing

Test documentation

Test planning

Lab testing

Communication

Collaboration

Python scripting

Java

Shell scripting

Education

Bachelor's degree in a technical field

Tools

Python

Java

Shell scripting

Job description

Description

Leidos has a new and exciting opportunity for a Mid/Sr Manual 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!

Job Summary

Leidos has an exciting opportunity for a Mid/Sr 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

• Coordinate with other Engineers and customer test stakeholders to define testing priorities and establish test event schedules.

• Partner with System-Level Test Teams and Scrum Masters to identify tasks and resources for test environment preparation, test procedure development, and execution of informal and formal testing.

• Identify and manage cross-team dependencies required to successfully execute program release testing events.

• 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.

• Plan, perform, and oversee regression testing using a full suite of Operational Test Scenarios for builds/images delivered to the customer.

• Engage with customer points of contact when required, to prepare for and conduct formal test milestones (e.g. Test Readiness Reviews, Test Results Reviews), coordinate customer witnessing of formal tests, and provide test resource support for customer test events.

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

• Develop, review and contribute to test plans and test procedure documentation as part of a broader test organization.

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

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

• Clearance Required: Must have TS/SCI with Polygraph.

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 current, full-time experience working as a Test Engineer.

• 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 demonstrated experience developing and executing formal system tests to verify compliance with customer requirements.

• 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.

Preferred Qualifications

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

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

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

• SAFe Agilist or DevOps certification.

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

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.

April 23, 2026

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, and internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.