Senior Test & Validation Engineer — TS/SCI Poly

Nyla Technology Solutions; Corridor North (MD); On-site; USD 178,000 - 210,000; Full time

Job summary

Nyla Technology Solutions is seeking a Test Engineer to plan, develop, and automate testing across software, middleware, and HPC infrastructure, ensuring reliability, scalability, and security of mission-critical platforms.

You will build end-to-end test harnesses, validate RESTful microservices, integrate testing into CI/CD pipelines, and diagnose defects across distributed Linux environments.

Qualifications

• 3+ years of professional software testing, QA, and defect-tracking lifecycles.
• Experience authoring and executing test plans for HPC applications and infrastructure.
• Proven API testing, mocking, and REST API validation.
• Strong Linux CLI and system-diagnostic tooling skills.
• Scripting and automation using Python and Bash.
• Experience building and testing containers (Docker/Podman).
• CI/CD experience with GitLab CI and Git-based workflows.
• Education options: Bachelor’s with 8+ years data analytics/intelligence or HS diploma with 12+ years intelligence/data experience.

Responsibilities

• Plan, develop, execute, and automate testing across software, middleware, and HPC infrastructure.
• Build end-to-end test harnesses and validate RESTful microservices.
• Integrate automated testing into CI/CD pipelines (GitLab CI).
• Diagnose defects across distributed Linux architectures.
• Ensure reliability, scalability, performance, and security of HPC platforms.

Skills

QA & Test Lifecycle

HPC System Testing

API Testing

Linux CLI

Scripting (Python & Bash)

Containers (Docker/Podman)

CI/CD (GitLab CI)

Git Version Control

Education

Bachelor’s Degree + 8+ years experience

High School Diploma + 12+ years experience

Tools

Jira

Confluence

Splunk

Job description

Nyla Technology Solutions is seeking a Test Engineer to plan, develop, and automate testing across software, middleware, and HPC infrastructure, ensuring reliability, scalability, and security of mission-critical platforms.

You will build end-to-end test harnesses, validate RESTful microservices, integrate testing into CI/CD pipelines, and diagnose defects across distributed Linux environments.