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Test Engineer

26-039

Invariant is seeking a talented and experienced Test Engineer to support hardware development programs for the DoD. This role will support multiple DoD programs and internal hardware production efforts. The Test Engineer will oversee the planning, execution, and reporting of qualification and acceptance testing for DoD hardware systems. This includes ensuring compliance with MIL-STD-810 and MIL-STD-461 test protocols. The role requires hands-on coordination with cross-functional teams, test engineers, test technicians, test facilities, and government stakeholders.

Duties Include:

• Develop Test Program Plan documents
• Lead test planning, procedure development, and execution of environmental and EMC/EMI tests per MIL-STD-810 and MIL-STD-461 requirements.
• Support Government Test Labs in performance of HERO, HERP, and HERF testing
• Interface with DoD program offices, test labs, and contractors to align test strategy with program objectives.
• Design and manage test schedules, resource planning, and risk mitigation strategies.
• Author and review test plans, test reports, and data packages for government submission.
• Monitor instrumentation setups, test fixtures, and configuration control throughout testing.
• Ensure test traceability to system requirements and contractual obligations.
• Participate in engineering drawing reviews for requirement compliance
• Participate in Failure Analysis and Corrective Action Reporting (FRACAS) when needed.
• Lead Pre-Test and Post-Test Reviews, Test Readiness Reviews (TRRs), and Technical Interchange Meetings (TIMs).
• Develop and transmit deliverable data and document (CDRL) packages
• Develop and track requirement verification items satisfied by test

Requirements:

• Bachelors degree in Engineering, Physics, or related technical field
• 5+ years of experience in military hardware testing, including direct application of MIL-STD-810 and MIL-STD-461.
• Strong understanding of environmental qualification testing: temperature, vibration, humidity, shock, altitude, etc.
• Solid expertise in EMI/EMC testing methodologies, including emissions and susceptibility testing.
• Working knowledge of test instrumentation types (i.e. strain gages, accelerometers, thermocouples, electromagnetic compatibility antennas, etc.) and data acquisition systems.
• Understanding of uncertainty analysis applicable to testing
• Familiarity with test labs, military acceptance criteria, and procurement regulations.
• Proficient in test documentation tools and standards
• Strong interpersonal skills for leading cross-disciplinary teams and briefing government personnel.
• Ability to travel

• US Citizenship and successful background check
• Current or eligible for DoD security clearance.

Preferred qualifications include familiarity with some or all, of the following:

• Experience supporting Army or Marine Corps platforms (e.g., vehicles, communication systems).
• Background in quality assurance, systems engineering, or production test is a plus.

+Requires ability to:

• Demonstrate innovation, quick learning, excellent communication skills and adaptive thinking
• Work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential
• Lead a group of engineers through the maturation of a product and interface regularly with Government Customers providing updates from the development team

Work Environment

Office, Lab, and field environment.

This position is expected to be performed only in the state of Alabama.

Subject to the provisions of Code of Alabama 40-18-370, the Company shall give good faith consideration to Alabama residents for employment at the Project.

Invariant Corporation is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, disability, or veteran status.

Invariant is a drug-free workplace.

Headquartered in Huntsville, Alabama, Invariant is a 100% employee owned, non-traditional defense contractor providing advanced engineering solutions to support national defense, homeland security, and law enforcement. We are ISO 9001 certified with secure facilities, labs, and high bay space performing advanced manufacturing, integration, assembly, and testing of mission critical systems. Join a team where innovation fuels impact. At Invariant, every voice contributes, and every employee-owner shares in the success of our mission to protect those who protect us. We’re home to engineers, developers, and specialists—web builders of mission-critical systems, united by purpose and driven by pride. As a 100% employee-owned company, your work doesn’t just power national defense—it helps power your future. Ready to take the next step in your career? Explore our current openings and discover how you can make a lasting impact while building ownership in everything you help create.