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Software Integration & Test Engineer

Denali Advanced Integration • Redmond, Washington, United States

onsitefull-time
Posted Sep 11, 2026

**Role & seniority: ** Software Integration & Test Engineer (mid/senior; 5+ years relevant experience; requires 2+ years minimum)

**Stack/tools: **

  • Automation/Test: Python, LabVIEW, test equipment regression suites

  • Scripting/OS: Windows PowerShell, Linux bash; Linux server management, troubleshooting

  • Containers: Docker

  • Versioning/Delivery: Git, CI/CD

  • Networking: IP network protocols/configuration

  • Validation/standards: aerospace validation standards; familiarity with NASA test documentation standards (preferred)

  • Other: IP/interface validation with instrumentation; logging/traceability tooling implied

  • Top 3 responsibilities:

    • Develop & validate automation frameworks for test rack control

    • Debug & resolve timing/synchronization/execution issues in automated test runs

    • Validate software interfaces with hardware instrumentation and author/execute automated regression suites with full logging/traceability

  • Must-have skills:

    • Strong test automation / HIL systems experience (5+ years preferred)

    • Proficient in Linux + shell scripting and PowerShell/bash

    • Solid understanding of SDLC and testing methodologies

    • Experience with Git/CI/CD, Docker

    • Knowledge of performance and security testing techniques

    • Familiarity with IP networking in integration contexts

  • Nice-to-haves:

    • Master’s in Computer/Electrical Engineering

    • Ae

Full Description

Summary of Position

  • The Software Integration & Test Engineer prepares, configures, and validates the
  • Test Equipment and automation frameworks used in satellite hardware testing.
  • Ensures automation scripts and interfaces are accurate, reliable, calibrated,
  • and standards-compliant with full traceability and necessary documentation.

Essential Functions

    • Develop and validate automation frameworks for test rack control.
    • Debug and resolve timing, synchronization, and execution issues.
    • Validate software interfaces with hardware instrumentation.
    • Author and execute automated regression suites for test equipment.
    • Collaborate with electrical/mechanical engineers to integrate rack
    • automation.
    • Ensure logging, traceability, and auditability of all automated processes.

Competencies

  1. Ensures Accountability

  2. Tech Savvy

  3. Communicates Effectively

  4. Values Differences

  5. Customer Focus

  6. Resourcefulness

  7. Drives Results

  8. Plans and Prioritizes

  9. Decision Quality

  10. Self-Development

Work Environment

  • This position is based in a professional office setting and regularly utilizes
  • workplace technology, including computers, smartphones, multifunction printers,
  • cloud-based filing systems, and collaboration tools.

Physical Demands

  • This role requires physical capabilities that support the successful execution
  • of key responsibilities. The employee regularly engages in verbal and written
  • communication with colleagues and clients to address project-related inquiries
  • and must be able to convey accurate information clearly and efficiently. The
  • position involves remaining seated at a workstation for approximately 75% of the
  • time, with occasional movement throughout the office to access equipment,
  • supplies, and shared resources. Daily tasks include consistent use of computers
  • and standard office technology such as keyboards, printers, and multifunction
  • devices. The role also involves transporting equipment boxes weighing up to 25
  • pounds within the building and to other offsite locations as needed for project
  • support.

Required Education and Experience

    • Bachelor’s degree in Software, Computer, or Electrical Engineering
    • 5+ years test automation/HIL systems experience

Qualifications

    • 2+ years test automation/HIL systems experience.
    • 3+ years software and Windows Powershell/Linux bash shell proficiency
    • Strong understanding of software development life cycle (SDLC) and testing
    • methodologies.
    • Familiarity with version control systems such as Git and CI/CD.
    • Knowledge of performance testing and security testing techniques.
    • Strong proficiency in Linux server management, including shell scripting and
    • system troubleshooting.
    • Hands-on experience with Docker for containerization and environment
    • management.
    • Familiarity with Python and LabVIEW for test automation and hardware
    • interfacing.
    • Experience with IP network protocols and configurations in a software
    • integration context.
    • Familiarity with aerospace software validation standards.

Preferred Qualifications

  • Master’s in Computer/Electrical Engineering.
  • Prior aerospace or avionics software I&T experience.
  • Familiarity with NASA test documentation standards.

Other Requirements

  • Onsite in Redmond, WA; lab presence required.

AAP/EEO Statement

  • 3MD Inc. is an equal opportunity employer and does not discriminate based on
  • gender, sex, age, race and color, religion, marital status, national origin,
  • disability, sexual orientation, gender identity or expression, veteran status,
  • or any other category that is protected by applicable law.

Other Duties

  • Please note this job description is not designed to cover or contain a
  • comprehensive listing of activities, duties, or responsibilities that are
  • required of the employee for this job. Duties, responsibilities, and activities
  • may change at any time with or without notice.
Test AutomationHIL SystemsWindows PowershellLinux Bash ShellSDLCGitCI/CDPerformance TestingSecurity TestingLinux Server ManagementDockerPythonLabVIEWIP Network ProtocolsAerospace Software Validationmulti-location

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