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# Test Engineer III

- **Company:** Battelle Memorial Institute
- **Location:** Chantilly, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Software Debugging, Linux, Linux on Embedded Systems, Python (Programming Language), Networking Basics, Real-Time Operating Systems, WinDBg, Test Scripts, Kubernetes, Docker, Jenkins, Vulnerability Analysis
- **Published:** June 12, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8902627/test-engineer-iii

## About the Role

* Bachelor's degree in a STEM field with 3-6 years of relevant experience, or an equivalent combination of education and experience
 * Must be a U.S. Citizen with an active Secret security clearance (or ability to obtain one)
 * Demonstrated experience executing structured test and evaluation activities
 * Proficiency in Python and/or C
 * Experience working with embedded systems and Linux based environments
 * Understanding of networking fundamentals and common protocols
 * Ability to communicate technical information clearly to both technical and non technical audiences
 * Experience contributing to formal customer test or acceptance processes

Preferred Qualifications

 * Experience with automation and CI/CD tools (Docker, Kubernetes, Jenkins, or similar)
 * Familiarity with embedded system internals (Embedded Linux, RTOS)
 * Basic understanding of RF concepts
 * Experience using debuggers (e.g., gdb, WinDbg)
 * Exposure to vulnerability assessment or cyber capability testing
 * Active Top Secret clearance or eligibility

## Description

Battelle's Mission Focused Tools Division in Chantilly, VA is seeking a Test Engineer to join our multi disciplinary team delivering mission critical cyber capabilities.

As a mid level Test Engineer, you will independently plan and execute testing activities for advanced cyber systems while collaborating closely with researchers, developers, and senior test engineers. You will take ownership of test efforts for assigned capabilities, contribute to automated testing infrastructure, and help ensure systems meet customer and operational requirements in realistic environments.

This role is well suited for engineers who have foundational testing experience and are ready to take greater responsibility while continuing to deepen their technical expertise.

Responsibilities

 * Plan, execute, and document formal and informal test activities for cyber capabilities
 * Develop and maintain test plans, procedures, and validation scripts
 * Perform hands on testing in lab and operationally relevant environments
 * Analyze test results, identify defects or performance gaps, and recommend remediation priorities
 * Collaborate closely with R&D teams to reproduce issues and validate fixes
 * Contribute to automated testing pipelines and tooling
 * Design test scenarios that reflect real world operational use cases
 * Produce clear, customer ready test reports and technical summaries
 * Interface with internal stakeholders and assist in discussions with external customers
 * Travel up to 20% to support field testing and customer engagements


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