# Senior Opto-Mechanical Engineer **Company:** [Astranis](https://zerogtalent.com/space-companies/astranis) **Location:** San Francisco **Work mode:** On-site **Salary:** USD 145K–225K/yr **Department:** Mechanical **Listed:** 2026-11-03 [View and apply on Zero G Talent](https://zerogtalent.com/space-jobs/astranis/senior-opto-mechanical-engineer-4721317006) ## Job description Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe – large enterprises, sovereign governments, and the US military.  With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. #### Senior Opto-Mechanical Engineer As an Astranis Opto-Mechanical Design Engineer you will own the complete lifecycle of various opto-mechanical systems on our spacecraft. Whether it is incremental improvements or the introduction of a new system, you will work together with the various other teams at Astranis to make them a reality.    In addition to being a significant individual on your own, you will mentor and train junior opt-mechanical engineers on such projects. You must have a strong problem-solving background, hands-on testing skills, and preferably some experience with spacecraft and/or aerospace engineering. #### **Role** - Develop new opto-mechanical products from concept and detailed design through engineering drawings, vendor selection, evaluation, prototype builds and production - Design and integrate free-space optical assemblies, miniature optics, optical mounts and precision alignment mechanisms - Perform detailed tolerance analyses and tolerance stack-ups for optical and mechanical assemblies - Integrate mechanical, optical and electrical components into complex optoelectronic systems - Lead mechanical and opto-mechanical design reviews - Work closely with optical, electrical, manufacturing and other cross-functional engineering teams - Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team. #### **Requirements** - B.S. or M.S in mechanical, aerospace engineering or equivalent - 5+ years of opto-mechanical design experience**,** combining precision mechanical design with optical system integration - Experience in detailed design, development and validation of mechanical assemblies from prototype through manufacturing - Experience designing mechanical mounts, interfaces and assemblies for optical components such as lenses, mirrors, lasers/light sources, detectors, fibers or similar optical components - Experience with precision optical alignment**,** including active and/or passive alignment; micron or sub-micron alignment experience is highly desirable - Experience with free-space optics and miniature optical assemblies - Experience working with suppliers and/or contract manufacturers - A passion for hardware development, including working in a fast-paced environment with hands-on design and development - A motivated leader who has experience mentoring and supporting junior engineers - Understanding of how mechanical tolerances, thermal effects, vibration and assembly variation can affect optical performance and alignment - Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria #### **Bonus**  - Experience running a development program while delegating to a small team  - Experience in synthesizing requirements and flowing them down to sub-scale verification builds and testing - Knowledge of geometric optics and semiconductor packaging/assembly - Experience designing prototype or production equipment for optoelectronic manufacturing - Experience managing a team of engineers **What we offer:**  All our positions offer a compensation package that includes equity and robust benefits. Base pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals. Astranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position. Base Salary $145,000—$225,000 USD **U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required** (To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3)) Our mission and products are built for everyone, regardless of gender, race, creed, or background. We believe in a diverse and inclusive workplace, and we invite all people to join our team and bring their unique perspectives to make us stronger. #### **Astranis SMS Terms of Service** 1. **Recruiting Updates:** By opting in, you agree to receive SMS updates, interview coordination, and recruiting communications from Astranis Space Technologies Corp. 2. **Opt-Out:** You can cancel this service at any time by replying **STOP**. We will send one final text confirming your unsubscription. 3. **Opt-In Again:** To resume receiving messages, reply **START** or **YES**. 4. **Support & Rates:** For assistance, reply **HELP** or contact us at +16504498097. Message and data rates may apply. Message frequency varies; carriers are not liable for delayed or undelivered messages. 5. **Privacy:** For details on how we protect your data, view our [Privacy Policy](https://www.google.com/url?q=https%3A%2F%2Fwww.astranis.com%2Flegal%2Fprivacy). ## Other open roles at Astranis - [Electrical Engineer- SDR Hardware](https://zerogtalent.com/space-jobs/astranis/electrical-engineer-sdr-hardware-4607847006) — San Francisco - [Procurement Intern (Winter 2027)](https://zerogtalent.com/space-jobs/astranis/procurement-intern-winter-2027-4725805006) — San Francisco - [Senior Systems Administrator, USG Program](https://zerogtalent.com/space-jobs/astranis/senior-systems-administrator-usg-program-4725641006) — San Francisco - [Electrical Engineering Manager - Software Defined Radio Hardware](https://zerogtalent.com/space-jobs/astranis/electrical-engineering-manager-software-defined-radio-hardware-4263017006) — San Francisco - [Electrical Engineering Manager - Mixed Signal Hardware](https://zerogtalent.com/space-jobs/astranis/electrical-engineering-manager-mixed-signal-hardware-4248232006) — San Francisco --- *Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*