Systems Test Engineer

Description

Leidos' Security Enterprise Solutions (SES) operation is seeking a Systems Test Engineer in Vista, CA to join our cross‑functional engineering team using cutting‑edge technology to develop truly novel solutions that make travel and trade safer, healthier, and more efficient on a global level. As a member of the Leidos Security Enterprise Solutions (SES) team, you will be joining a diverse and dedicated group who are excited about producing industry‑leading screening technology.

You will collaborate with Engineering, Project Management, Manufacturing, Training, Field Service, and customers across the development lifecycle to qualify and sustain Leidos security detection products at the factory and in the field. This role requires experience with integrated systems, including software and hardware testing, and proficiency in Linux and Windows environments.

Key responsibilities include expanding automated testing, executing automation strategies, measuring effectiveness via KPIs, and integrating new tools and technologies. Formal test reporting and documentation are required.

• Plan, design, and execute manual and automated integration testing across edge, enterprise, and cloud environments.
• Develop and maintain test frameworks (integration, performance, regression) to validate system requirements.
• Install and test software in system environments to support product qualification and field deployment.
• Define and implement test automation strategies; identify and automate regression test candidates.
• Create, execute, and document test plans and results.
• Partner with development teams to identify and resolve defects early.
• Participate in Agile ceremonies (stand‑ups, sprint planning, reviews, retrospectives).
• Produce documentation and follow configuration management processes for software release.
• Lead discussions on system/software quality and communicate status, risks, and issues to stakeholders.
• Support Field Service in troubleshooting installation issues and customer problem resolution.
• Communicate effectively with cross‑functional stakeholders.

• BS with 8+ years or MS with 6+ years of relevant experience (or equivalent).
• Ability to obtain a Public Trust clearance (US citizenship required).
• Strong experience with Linux‑based systems.
• Experience troubleshooting integrated software/hardware systems.
• Experience developing test procedures and validating system requirements.
• Familiarity with development processes and tools (e.g., Azure Dev Ops, Jira).
• Experience with automated testing tools and methodologies.
• Strong written, verbal, and interpersonal communication skills.
• Ability to work independently and collaboratively in a multidisciplinary team.
• Willingness to travel to customer sites as needed.

• Familiarity with containerized applications and orchestration (Kubernetes, Docker).
• Familiarity with at least one relational database management system (Oracle, MySQL, PostgreSQL, SQL Server, etc.).
• Knowledge of a version control system (e.g., Git).
• Familiarity with cloud technologies (AWS, Azure, GCP).
• Familiarity with networks and distributed software environments.
• Familiarity working with Windows‑based operating systems/applications.
• Experience with Agile/Scrum/Kanban methodologies.

Original Posting:
April 29, 2026

Pay Range $92,300.00 - $. The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

Employment benefits include competitive compensation, health and wellness programs, income protection, paid leave and retirement. More details are available at

Beware of fake employment opportunities. Leidos will never ask you to provide payment‑related information during any part of the employment application process or advance money. Further, Leidos will only communicate with you through emails generated by the  automated system.

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.