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Software and Systems Development Engineer – Test Framework with Security Clearance

MarkonArlington, VA🇺🇸United States

Why this role stands out

This hybrid role offers significant growth potential as you contribute to the full lifecycle of an innovative test orchestration platform, leveraging your skills in distributed systems and embedded Linux. You'll thrive here if you possess strong Python or Rust experience and enjoy creative problem-solving in a secure environment, with a competitive salary of $120,000 - $200,000. Apply today to join a dynamic team and advance your career in cutting-edge technology.

Quick overview

Salary$120k - $200k/yr
SeniorityMid Senior
Employment typeEmployee
Work modeHybrid
LocationArlington, VA, United States
DynamoDBRustGitAWSEmbedded SystemsBDDBashCDKGitLab CIJenkinsPythonpytestPostgreSQLCI/CDLinux

Job description

PLEX Solutions, A Part of Markon is looking for experienced Software and Systems Development Engineers to support the design, development, deployment, and ongoing maintenance of a new Test Framework - a purpose-built test orchestration and asset management platform. Candidate will work as member of the engineering team, contributing across the full software development lifecycle of the Test Framework and its operational use. The Test Framework is a distributed system that manages physical and virtual test infrastructure, orchestrates test execution, and stores and analyzes test results.

It operates in an isolated environment with strict controls - creative problem-solving and debugging within those constraints is expected. The devices under test are embedded Linux systems operating in a physical lab network, so familiarity with embedded systems and networking is directly applicable. Responsibilities

  • Design and implement new features across all Test Framework subsystems: Test Manager (configuration, orchestration, results) and Asset Manager (reservation, configuration, tasking, device adapters)
  • Define and implement service APIs using IDLs
  • Develop and maintain device adapters that abstract physical lab hardware
  • Implement and maintain datastores across multiple database technologies, e.g., PostgreSQL, GraphDB, DynamoDB
  • Deploy and manage the Test Framework using Amazon CDK
  • Develop and maintain CI/CD pipelines in Amazon Pipelines and Gitlab Pipelines
  • Instrument and monitor services with CloudWatch, time series databases, and other alerting tools
  • Produce and maintain technical documentation
  • Provide technical support and guidance to users of the Test Framework
  • Triage and resolve production issues Qualifications
  • Active TS/SCI W/ Polygraph
  • 5+ years of professional software development experience
  • Proficiency in Python or Rust; experience with both is a plus.
  • Proficiency in Bash scripting
  • Experience designing and building distributed systems
  • Experience defining service interfaces using an IDL
  • Experience with CI/CD pipeline design and implementation (GitLab CI, Jenkins, or equivalent)
  • Familiarity with containerization
  • Experience working in Linux/Unix environments, with an emphasis on console usage
  • Strong written and verbal communication skills

Preferred Qualifications

  • Experience with Amazon CDK or other Infrastructure as Code technologies
  • Experience with embedded Linux systems
  • Knowledge of networking fundamentals relevant to embedded and lab environments: Ethernet, IP routing, optical networking concepts, traffic generation and analysis
  • Experience developing in classified or air-gapped environments with restricted tooling
  • Experience with AWS CloudWatch for observability: metrics, logs, alarms, and dashboards
  • Experience with test framework technologies, e.g., pytest, pytest-bdd, robot, behave, etc.
  • Background in hardware-in-the-loop or lab automation testing environments

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