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Test Engineer III

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Summary

Test Engineer who plans, develops, executes, and automates testing for software, middleware, and infrastructure deployed in high-performance computing (HPC) environments, validating requirements for mission systems. Requires an active TS/SCI with full-scope polygraph; core stack includes Linux, Bash/Python, Docker/Podman, GitLab CI, and Git.

Reflexive Concepts is seeking a skilled Test Engineer III to join our team!

Our team supports the HPC Integration & Test IV effort, where the Test Engineer plans, develops, executes, and automates testing for software applications, middleware, and infrastructure deployed in High-Performance Computing (HPC) environments. This role validates system requirements and helps ensure the reliability, scalability, performance, security, and operational readiness of mission HPC systems.

Qualifications:
  • Active TS/SCI + FS Polygraph
  • Bachelor's degree in Math, Science, Engineering, Statistics, Engineering Management, or related discipline from an accredited college or university, plus eight (8) years of experience as a Test Engineer, in programs and contracts of similar scope, type, and complexity OR
  • Four (4) years of additional Test Engineer experience may be substituted for a Bachelor's degree
Required Skills + Experience:
  • Experience using Linux CLI and Linux tools
  • Proficient using Bash/Python scripting for task automation
  • Strong understanding of Linux system administration fundamentals
  • 3+ years of software testing, quality assurance, or validation experience in Linux environments
  • Experience developing and executing test plans for HPC systems
  • Experience integrating and testing REST APIs related to HPC systems
  • Demonstrated experience in defect tracking and resolution processes
  • Experience with software testing methodologies and test lifecycle management
  • Experience developing automated test solutions and validation frameworks
  • Experience with CI/CD principles, methodologies, and tools including GitLab CI
  • Experience with containerization technologies such as Docker, PodMan
  • Experience with Git Source Control System
Desired Skills + Experience
  • Experience with the Atlassian Tool Suite (JIRA, Confluence)
  • Familiar with Splunk for searching, monitoring, and analyzing machine generated data
  • Familiar with SAFe Agile principles, methodologies, and best practices
  • Familiar with IaC principles and automation tools including Ansible

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