By Light Professional IT Services · 2 months ago
Test Engineer – Cyber Range
US-FL-Orlando
Full-time
Onsite
Senior Level
5+ years expBy Light Professional IT Services LLC is a company that supports defense, civilian, and commercial IT customers worldwide. They are seeking a Test Engineer to support software integration and validation efforts for the Persistent Cyber Training Environment and RangeOS, focusing on hands-on testing in a classified environment to ensure the readiness and performance of DoD cyber training capabilities.
GovernmentInformation ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
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)
Active Secret clearance required; TS/SCI strongly preferred
Preferred
Experience supporting PCTE, RangeOS, or other DoD cyber range programs
Background in Cybersecurity, Modeling & Simulation, or Distributed Interactive Simulation (DIS) environments
Experience with automated test frameworks, REST API testing tools (e.g., Postman, Robot Framework, pytest)
Familiarity with container orchestration platforms (Kubernetes, OpenShift)
Experience integrating test results into CI/CD dashboards and automated reporting
CompTIA Security+, CEH, or other relevant certifications
Familiarity with DoD software accreditation, RMF, and secure deployment practices
Company
By Light Professional IT Services
BY LIGHT Professional IT Services is a provider of IT, cloud, cyber and infrastructure solutions to the US Federal Government.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2017-05-31Acquired
Leadership Team
Bob Donahue
CEO By Light
Mike Bowser
Chief Operating Officer
Recent News
2026-01-07
2025-12-01
2025-10-09
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