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From the employer's careers site First seen 25 Oct 2026

Sr. Manual Test Engineer TS/SCI Poly

Salary

$139,100 - $251,450 per year

Apply on Leidos

Description

Leidos has a new opportunity for a Sr. Manual Test Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). This role involves performing 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.

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.

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.
  • 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.

Requirements:

  • BS degree and 18-20 years of prior relevant experience or Masters with 15-20 years of prior relevant experience or Doctorate with 13-16 years of prior relevant experience.
  • Experience participating in formal test events.
  • Demonstrated experience developing and executing formal system tests to verify compliance with customer requirements.
  • Experience collaborating with software developers to create formal test procedures.
  • Experience working with physical equipment in a test lab environment.
  • Clearance Required: TS/SCI with Polygraph.

Benefits:

  • 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 more.

Skills

Required

  • System Administration
  • Test Procedure Development
  • Software Testing
  • Collaboration
  • Communication
  • Leadership
  • TS/SCI with Polygraph

Nice to have

  • Behavior Driven Development (BDD)
  • Test-Driven Development (TDD)
  • Programming and Scripting Languages (Java, shell, Python)
  • Public Key Infrastructure (PKI)/key management programs and technologies
  • SAFe Agilist or DevOps certification
  • Agile Development Environment

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Annapolis-Junction-MD/Sr-Manual-Test-Engineer-TS-SCI-Poly_R-00190502

Apply on Leidos