Principal Mechanisms Engineer - Payloads

About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules.  Varda’s W-Series vehicles are built, designed, and operated by Varda in-house, including the pharmaceutical processing payloads, the capsules, the C-PICA heat shields, and the satellite buses. From life-saving pharmaceuticals to more powerful fiber optics, there is a world of products used on Earth today that can only be manufactured in space. Varda is accelerating innovation in the orbital economy by creating both the products and infrastructure needed so space can directly benefit life on Earth. Our mission is to expand the economic bounds of humankind.   Our team is uniquely suited to accomplishing this goal, with leadership and staff comprised of veterans from SpaceX, Blue Origin, major pharmaceutical companies and Silicon Valley. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov with significant backing from world class investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.   Varda is headquartered in El Segundo, California, where we have offices and a production facility where our vehicles, equipment, and materials are built, integrated, and tested. Varda also has offices in Washington, DC and Huntsville, AL.  Join Varda, and work to create a bustling in-space ecosystem. About this Role As a Principal Mechanisms Engineer on Varda’s Payload team, you will define and lead the development of complex electromechanical flight hardware that operates in orbit, endures hypersonic reentry, and returns to Earth for inspection and iteration. You will shape payload architecture across pharmaceutical manufacturing and hypersonic reentry testbed missions—guiding systems from early concept through detailed design, integration, testing, launch, and recovery. You’ll work closely with internal leadership and external partners, translating mission needs into engineering strategy and technical direction. This role is ideal for engineers with deep mechanical expertise and broad cross-disciplinary insight who want to influence system architecture, lead multi-mission efforts, and mentor engineers while delivering complex hardware on rapid flight timelines. Responsibilities  Define architecture, requirements, and development plans for multi-payload or multi-mission systems Lead complex mechanism and electromechanical subsystem design efforts Drive system-level analyses, trade studies, and risk reduction using a variety of tools (hand calcs, python/matlab models, FEA, etc. as needed) Lead cross-functional project teams across avionics, software, thermal, systems, integration Represent Varda to senior internal leadership and external partners Drive subsystem requirements, ICDs, verification plans, and documentation Lead build, integration, testing, mission operations, recovery, and anomaly resolution Guide lessons-learned processes and influence payload development cycles Mentor senior and entry-level engineers and shape best practices Basic Qualifications BS/BEng in Mechanical, Aerospace, Mechatronics, or related field 7+ years of experience designing, integrating, testing, and troubleshooting electromechanical hardware Deep mechanical expertise with breadth in at least two adjacent disciplines (avionics, software, thermal, optics, test, etc.) Track record leading teams through full cycle electromechanical space flight hardware development Experience communicating with diverse technical and executive audiences, both internal and external Preferred Skills And Experience 3+ years of cross-functional project leadership experience Significant experience planning and executing aerospace environmental testing (vibration, TVAC, EMI/EMC) Experience leading government-facing technical programs Active Secret or Top Secret clearance Pay Range Salary range: $180,000 - $230,000/per year This role is on-site in El Segundo, CA Leveling and base salary is determined by job-related skills, education level, experience level, and job performance You will be eligible for incentives in the form of stock options and/or long-term cash awards Benefits Varda offers a comprehensive benefits package designed to support health, financial well‑being, and a high‑quality workplace experience. Below is an overview of what full‑time employees receive (at this time, interns receive a subset of benefits):   Health & Wellness   Flexible PTO policy + 12 paid holidays   100% company-paid Medical, Dental, and Vision insurance plans for employees and dependents with FSA and employer-matched HSA options Voluntary accident, hospital, critical illness, and pet insurance   $120/month wellness reimbursement for gym and fitness expenses   12 weeks of parental leave (with supplemental disability leave for CA mothers)   Family building, pregnancy, parenting and menopause benefits via Maven Clinic   Sponsored One Medical memberships for employees and their dependents   Financial & Retirement   Substantial incentive equity in a fully funded space start-up   401(k) retirement plan with 6% employer match (immediately vested) $20/pay period cell phone reimbursement   Relocation support for new hires, if needed   Workplace Experience & Perks   Fully stocked kitchen with lunch provided daily and dinner provided twice weekly   Company and team-bonding events, happy hours and mission-success celebrations Complimentary EV charging Dog-friendly office space 🐕   ITAR Requirements Varda, like all employers, must ensure that its employees working in the United States are lawfully authorized to work in the U.S. Additionally, our employees are exposed to and have access to certain export-controlled items. Because our employees are provided access