{"id":1310111,"url":"https://alion.io/job/seasats-senior-mechanical-engineer","title":"Senior Mechanical Engineer","company":{"id":2257692,"name":"Seasats","domain":"seasats.com","url":"https://alion.io/company/seasats","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-08-11T18:53:15Z","employer_posted_date":"2026-08-11","last_verified_at":"2026-10-01T07:51:46Z","board_verified":true,"closed_at":null,"days_open":50,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":50},"description":"Role: Senior Mechanical Engineer\nLocation: San Diego, CA\nSalary: $120,000 - $160,000 / yr + stock options, 401k matching, and other benefits\nRole Overview:\nSeasats deploys unmanned surface vessels (USVs) on multi-month missions that rely on top-quality mechanical systems. Our mechanical engineering team designs and builds these systems, providing customers with products they can count on. Our team has grown to keep pace with rapidly multiplying projects, and now we’re looking to recruit a senior engineer. This person will remove bottlenecks and execute plans, work with mechanical and vehicle design leadership, and mentor and coach junior engineers.\nRole Details:\nEach person on this team has a lot of autonomy and responsibility. Some tasks will include:\nDesigning parts and assemblies\nWorking with junior engineers\nAssisting in timeline and plan creation\nShaping design and organizational processes within the engineering team\nReviewing, detailing, and configuration management of CAD models\nDesigning (CAD) fixtures, tooling, jigs\nSourcing and communicating with suppliers\nFilling out vehicle BOM and evaluating production/procurement options\nSearching for speed and process refinements to increase production efficiency\nAssembly and Q&A of incoming parts from external suppliers\nTesting new and existing designs of components of the vehicles\nAbout You:\nYou’re a self-starter, an expert in mechanical engineering and fabrication, and have experience in the maritime space. Specifically, you have:\n5+ years of experience working on high performance and/or high volume parts in a team environment \nA high degree of individual autonomy and a get-stuff-done attitude\nExpertise in Solidworks\nA deep understanding of mechanical engineering, structures, assembly and DFM trade offs, and fabrication methods\nMaritime background from extensive work and/or play on and around the ocean\nAn understanding of how different manufacturing processes (i.e. CNC milling, 3D printing, waterjet, etc.) affect design\nExperience working in smaller mechanical engineering teams\nThe ability to take a napkin sketch, create a first draft CAD model, receive feedback from the team and proceed iteratively\nExperience with outsourcing parts to external vendors/fabricators\nCommunication skills - with vendors and internal team\nOrganizational skills - tracking BOMs, following up with suppliers etc.\nAttention to detail - understanding of GD&T, creating drawings for suppliers, etc.\nExperience in startups, competitions, or similarly tight-timeline settings\nBasic understanding of electrical and software needs for electro-mechanical systems\nExperience with combustion engines and hybrid systems\nExperience in maritime systems engineering and integration\nDue to export control requirements applicable to this position, we are only able to consider U.S. persons, as defined by U.S. export control laws. This includes U.S. citizens, lawful permanent residents, and individuals granted asylee or refugee status.\nBonus:\nAn understanding of basic naval architecture\nBasic understanding of composites\nUnderstanding of autonomous systems \nAbout Seasats:\nAt Seasats, we're passionate about delivering maritime robotics solutions to redefine the maritime industry. Our primary products are unmanned surface vessels (USVs), designed to carry sensors at sea for months at a time. Our USVs provide persistent monitoring and data acquisition to defense, scientific, and commercial customers, and have autonomously crossed both the Pacific and Atlantic oceans. After thousands of years in which the only way to gather information from the ocean was to put people on a boat, these uncrewed vessels are transforming how humanity monitors and interacts with the ocean. Here, you’ll find the space and opportunity to do your life’s best work.\nAlong with your salary, you’ll receive perks including:\nCompetitive insurance (including a 99% employer-covered Gold HMO plan or other options)\n401k matching up to 4% of salary\nFour free lunches per week\nAn employee activity fund\nA pet-friendly office\nUnlimited/Flex PTO\nHiring Notes:\nWhen applying, you’ll be asked to provide a resume and answer a few screening questions.\nPlease note that we are currently unable to sponsor employment visas, so candidates must be independently authorized to work in the United States.\nWe appreciate diverse perspectives and life experiences, and we’re committed to building a team that reflects a wide range of backgrounds. Seasats provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination of any type based on race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, protected veteran status, or any other characteristic protected under federal, state, or local law.\nWe look forward to reviewing your application!","description_format":"text","description_chars":4918,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["401k plan","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-26T15:32:26Z"}],"liveness":{"score":33,"band":"fade","label":"Fading","p_open":1,"p_active":0.607,"p_room":0.55,"age_days":50,"expected_fill_days":42,"reasons":["conf:9","win:tail"],"computed_at":"2026-10-01T05:45:00Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":true},"html_url":"https://alion.io/job/seasats-senior-mechanical-engineer","json_url":"https://alion.io/job/seasats-senior-mechanical-engineer.json","meta":{"generated_at":"2026-10-01T10:08:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1211,"day_limit":5000,"remaining_today":3789,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}