TS/SCI Cleared Systems Test Engineer - Level 3

Northrop Grumman; Aurora (CO); On-site; USD 104,000 - 194,000; Full time

Benefits offered by this job

Health insurance

Savings plan

Paid time off

Discretionary bonus

Overtime eligibility

Job summary

Northrop Grumman’s Space Sector is seeking mid- to senior-level Systems Test Engineers to join an Agile team in Aurora, CO. You will define test objectives, design and execute manual and automated tests, and collaborate with developers and systems engineers to ensure high-quality software deliveries.

Level 4 responsibilities include technical leadership, mentorship, and driving test strategy improvements across the program.

Qualifications

• Active Top Secret/SCI clearance at time of application.
• Bachelor’s degree with 8 years of relevant experience, or Master’s with 6 years, or PhD with 4 years.
• Experience defining clear, measurable test objectives from requirements and user stories.
• Ability to design detailed test cases, test procedures, and verification steps.
• Proven experience executing functional, regression, and end-to-end testing.
• Experience with automated testing tools and shell scripting languages (Python, Bash).
• Experience testing REST APIs, service interfaces, and data-driven workflows (Postman, Swagger/OpenAPI, curl).
• Ability to read and interpret logs from applications, services, containers, and systems.
• Strong written and verbal communication and collaboration skills.

Responsibilities

• Participate as a core member of an Agile/Scrum team, supporting sprint planning, daily stand‑ups, reviews, and retrospectives.
• Analyze test requirements, user stories, acceptance criteria, and technical documentation to define clear, measurable test objectives.
• Design detailed test cases, test procedures, and verification steps based on technical specifications and interface definitions.
• Execute functional, regression, and end-to-end tests for developer-delivered software changes across web, service, and data layers.
• Isolate, reproduce, troubleshoot, and document defects with clear, actionable defect reports.
• Develop, maintain, and execute automated tests and scripts using tools and languages such as Python, Bash, or similar.
• Test REST APIs, service interfaces, and data-driven workflows using tools such as Postman, Swagger/OpenAPI, Curl, or equivalent.
• Review and interpret application, service, container, and system logs to support troubleshooting and root-cause analysis.
• Collaborate closely with developers, product owners, scrum masters, and systems engineers to clarify requirements, improve testability, and drive quality throughout the lifecycle.
• Contribute to continuous improvement of test strategies, tooling, and processes; Level 4 engineers lead and champion these improvements across the program.

Job description

Northrop Grumman’s Space Sector is seeking mid- to senior-level Systems Test Engineers to join an Agile team in Aurora, CO. You will define test objectives, design and execute manual and automated tests, and collaborate with developers and systems engineers to ensure high-quality software deliveries.

Level 4 responsibilities include technical leadership, mentorship, and driving test strategy improvements across the program.