Mechanical and Thermal Reliability Engineer

What MatX Is Building Matx is developing advanced rack- and POD-level infrastructure systems to support next-generation high-performance computing and AI workloads. Our focus is on delivering highly reliable, thermally efficient, and scalable hardware solutions, including cutting-edge liquid cooling architectures and mechanical systems. We are building vertically integrated platforms that combine mechanical design, thermal management, packaging, and system-level engineering to ensure robust performance under extreme operating conditions. We are looking for engineers who are passionate about reliability engineering, system validation, and cross-functional product development. What You'll Do Here Develop and execute reliability strategies and qualification plans for New Product Development (NPD) programs Design and implement Design of Experiments (DOE) for material, process, and product validation Perform reliability testing, evaluation, and qualification for mechanical and thermal systems Lead qualification readiness assessments, including material readiness and test program validation Conduct failure analysis and root cause investigations, and drive corrective and preventive actions (CAPA) during development. Work on system-level reliability for: Mechanical assemblies High-speed connectors  Compute blade architectures Evaluate and improve the reliability of liquid cooling systems, including: Direct-to-chip (D2C) cooling Rack and POD-level liquid cooling infrastructure Collaborate with ODM, JDM, and CM partners on L6~L11 system testing and reliability validation Develop reliability reports, risk assessments, and qualification documentation Contribute to product validation processes and drive improvements in product quality and reliability Who You Are 0–5 years of experience in mechanical and/or thermal reliability engineering in data center hardware, server systems, or high-performance computing platforms Bachelor’s or Master’s degree in: Mechanical Engineering Thermal Engineering Or a related field Strong understanding of: Mechanical and thermal reliability principles Failure analysis and root cause methodologies Materials and process characterization Experience with: Design of Experiments (DOE) Product validation and qualification processes Ability to work effectively in cross-functional engineering teams Bonus Points If You Have Knowledge of: Liquid cooling systems and architectures Advanced packaging and interconnect technologies Familiarity with industry standards such as: ISO OCP Experience working with ODM/JDM/CM partners in manufacturing environments Strong analytical, problem-solving, and data-driven decision-making skills Compensation The US base salary for this full-time position is determined based on a variety of factors including role, experience, location, job related skills, and relevant education and training. Career length is only a guideline for compensation. Early Career - $120,000 - $212,500 + equity Mid Career - $150,000 - $287,500 + equity Senior Career - $200,000 - $425,000 + equity What We Offer A Stake in our success  A flexible cash equity compensation mix that fits your needs Health & Wellness  Company subsidized Health, Dental, Vision, and Life insurance; Pre-tax Health Savings Accounts with generous company contribution (even if you don’t) Time To Recharge  4 weeks paid time off (accrued), 12 company holidays, and 3 weeks remote/flexible work per year Support to Parents  Up to 12 weeks of paid parental leave, regardless of your path to parenthood Learning & Development  $1,500 yearly towards your professional development e.g. conferences, courses, and other learning opportunities Team Connection  Team Lunches, quarterly off-sites, and regular town halls Financial Wellbeing  401K and/or Roth IRA, with 5% company contribution, even if you don’t! Flexible Spending Accounts  Pre-tax spend accounts for medical, dental/vision, dependent care, parking, and transit expenses Commute On Us  For those commuting up to 1 hour, put your rideshare cost on our company card and reclaim the drive-time to get work done! MatX E[x]tras  $50 per month to use on the perks you care about most  Remote Perks  We work remotely Monday & Friday, supported by home-tech setup, and remote wifi expense reimbursement As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other le