Test Engineer III

Battelle delivers when others can’t. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients—whether they are a multi-national corporation, a small start-up or a government agency.

We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply.

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.

• 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

• 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

• 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, Win Dbg)
• Exposure to vulnerability assessment or cyber capability testing
• Active Top Secret clearance or eligibility

We care about your well‑being, not just on the job. Battelle offers comprehensive and competitive benefits to help you live your best life.

• Balance life through a compressed work schedule
  :
  Most of our team follows a flexible, compressed work schedule that allows for every other Friday off—giving you a dedicated day to accomplish things in your personal life without using vacation time.
• Enjoy enhanced work flexibility, including a hybrid arrangement: You have options for where and when you work. Our Together with Flexibility model allows you to work 60% in‑office and 40% remote, with Monday and Tuesday as common in‑office days, dependent on team and position needs.
• Take time to recharge
  :
  You get paid time off to support work‑life balance and keep motivated.
• Prioritize wellness
  :
  Stay healthy with medical, dental, and vision coverage with wellness incentives and benefits plus a variety of optional supplemental benefits.
• Better together
  :
  Coverage for partners, gender‑affirming care and health support, and family formation support.
• Build your financial future
  :
  Build financial stability with an industry‑leading 401(k) retirement savings plan. For most employees, we put…