Test Engineer - Cyber Range

				Overview:

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Responsibilities:

* Execute functional, integration, regression, and performance testing of PCTE and RangeOS software.
* Develop and maintain automated test scripts for CI/CD pipelines and continuous integration environments.
* Validate software builds, environment deployments, and range configurations prior to release to systems integrator.
* Conduct end-to-end testing of cloud-based microservices, user interfaces, and backend APIs supporting cyber range training events.
* Perform verification and validation (V&V) activities aligned with Agile and DevSecOps lifecycle practices.
* Support test readiness reviews (TRRs), defect triage meetings, and capability assessments.
* Generate and maintain detailed test documentation, including test cases, procedures, reports, and traceability matrices.
* Collaborate with system engineers, developers, and cyber operators to reproduce, isolate, and resolve issues in simulated mission scenarios.
* Apply systems-level thinking to evaluate training platform performance, usability, and security.
* Participate in sprint planning, retrospectives, and other Agile ceremonies as a contributing member of the engineering team.

Qualifications:

* Bachelor's degree in Computer Engineering, Computer Science, Systems Engineering, or related field.
* IAT Level II certification in accordance with DoDD 8570.
* Minimum of 5+ years of experience in software or systems testing, including functional, performance, and integration testing.
* Familiarity with grey-space or isolated testing environments (classified, controlled, or emulated networks).
* Experience with Continuous Integration / Continuous Delivery (CI/CD) pipelines and tools such as Jenkins, GitLab CI, or similar.
* Strong understanding of Linux-based systems, network configuration, and virtualization (VMware, KVM, Docker).
* Experience validating cloud-based or microservices-based architectures.
* Working knowledge of Agile and DevSecOps methodologies.
* Ability to interpret software requirements and translate them into testable acceptance criteria.
* Proficiency in scripting or automation (Python, Bash, or similar).
			

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