Mechanical Test Engineer

• Strong understanding of mechanical systems, engineering fundamentals, and experimental methods
• Knowledge of material properties, behavior, and failure mechanisms of metals, polymers, composites, and other engineering materials under mechanical, thermal, and environmental loading conditions
• Experience developing test plans, procedures, protocols, and reports suitable for verification, validation, qualification, or regulatory environments
• Experience validating test methods for repeatability, reproducibility, and measurement accuracy
• Familiarity with instrumentation, data acquisition systems, sensors, and test control hardware/software
• Ability to analyze and interpret experimental data and communicate technical findings through clear written reports and presentations
• Working knowledge of statistical analysis techniques and uncertainty considerations in testing
• Familiarity with hazard and risk assessment methodologies such as FMEA, Fault Tree Analysis (FTA), or similar tools

• Experience testing electro-mechanical systems, transportation systems, aerospace components, energy equipment, industrial machinery, or engineered products
• Experience designing test fixtures, test equipment, or custom measurement systems
• Background in regulated or safety-critical industries such as aerospace, transportation, medical devices, oil and gas, or industrial manufacturing
• Experience troubleshooting complex mechanical or electro-mechanical systems
• Knowledge of strain measurement, pressure systems, vibration testing, environmental testing, fatigue testing, or materials characterization
• Experience with LabVIEW, MATLAB, Python, DAQ systems, PLCs, or similar engineering tools
• Professional Engineer (PE) license preferred; candidates with the qualifications and desire to obtain PE licensure are strongly encouraged to apply

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Materials Engineering, Electrical Engineering, or a related engineering discipline required
• Master's degree in Engineering preferred, or 5+ years of relevant testing, validation, or product development experience
• Demonstrated experience planning, executing, and documenting engineering tests in laboratory, field, or industrial environments

• Due to the nature of the work performed and access to ITAR-controlled technical data, candidates must qualify as a U.S. Person under the International Traffic in Arms Regulations (ITAR), as defined in 22 CFR § 120.62.

• Strong mechanical aptitude and a hands-on approach to engineering problem solving
• Ability to manage multiple projects and priorities in a fast-paced consulting environment
• Strong verbal and written communication skills with the ability to explain technical concepts to both engineers and clients
• Self-motivated with the ability to work independently while collaborating effectively across multidisciplinary teams
• Commitment to safety, quality, and technical excellence

• Proven ability to take a test program from concept through execution and final reporting
• Experience leading projects, interacting directly with clients, and mentoring engineers or technicians
• Curiosity, adaptability, and a passion for solving complex engineering challenges through testing and data-driven analysis

Stress Engineering Services (SES) is an elite, one-of-a-kind engineering consulting firm, trusted for more than 50 years to solve the problems others can’t. Our reputation is built on an uncompromising commitment to technical excellence, a highly selective team of experts, and a track record of delivering answers in the most complex, high-stakes environments. We operate at the intersection of deep technical expertise and real-world application, partnering with clients across energy, aerospace, consumer products, medical, and beyond. Our teams combine advanced analysis with hands-on testing, failure analysis, and practical engineering judgment to deliver solutions that perform where it matters most, in the field. As an employee-owned company, our people are personally invested in every outcome, creating a culture where accountability is high and excellence is the standard. We don’t just solve problems, we uncover root causes, mitigate risk, and deliver confidence.

For our clients, that means a trusted partner known for rigor and results. For our people, it means joining an elite team tackling the most meaningful challenges in engineering.

SES is where complex problems meet uncommon solutions and where elite engineers come to do their best work.

• We Over Me – We put the mission, our clients, and our team ahead of individual agendas
• Unyielding Pursuit of Excellence – Excellence is the standard. We deliver the right solution, on time, every time
• Own It – We take accountability to earn trust and deliver results