{"id":3783478,"url":"https://alion.io/job/arbor-energy-sr-cnc-machinist-programmer","title":"Sr. CNC Machinist / Programmer","company":{"id":669165,"name":"Arbor Energy","domain":"arborenergy.com","url":"https://alion.io/company/arborenergy","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":148,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["El Segundo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-11-05T00:36:30Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-11T00:25:21Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"About Us\nAt Arbor Energy & Resources Corporation (\"Arbor Energy\"), we’re creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions-modular, fuel-flexible, and engineered for the realities of today’s energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. \nOur team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we’re applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. \nIf you share our values and are drawn to rigorous work with lasting impact, we’d love to learn more about you. Come build what the future will run on.\nSteward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it.\nLead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor.\nExplore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity.\nRole Overview\nWe are seeking a Senoir CNC Machinist with the abilities to manufacture cutting edge designs for our turbomachinery development. Our 3d printed nickel-based materials allow us to push the boundaries of turbomachinery to its upper limits. Arbors machine shop in El Segundo consists of a Bridgeport, machine lathe, and a Haas Vf3 with 5 axis capabilities. We will soon be expanding to another full 5 axis machine. The Ideal candidate is someone with experience in tight tolerance machining and the ability to set up and run 3d printed parts. \nThis is an onsite opportunity in our El Segundo, CA office. \nResponsibilities\nPerform precision set-ups of various CNC and manual machines on state-of-the-art assets\nAbility to program using Mastercam\nPrioritize daily work to ensure high machine uptime across the shop.\nExperience with a CMM arm\nManage cutting tools in CNC machines to ensure that machines have the needed cutting tools loaded and measured before they are called in upcoming programs\nOperate clean line equipment, laser part marking, and general part finishing requirements\nOperate and effectively use calibrated devices to ensure hardware leaving the machine shop is conforming and meets print requirements\nPerform CNC machine preventative maintenance on a weekly and monthly basis\nMaintain the shop in terms of chip bins, oils, greases, 5S and general upkeep activities\nRemain flexible in a fast-paced, ever-changing environment and support teammates however possible\nComplete work instructions and test plans to document needed data throughout each process\nRequirements\n10+ years of experience operating CNC machinery\nDemonstrated ability to interpret drawings, GD&T.\nExperience in shop math, tooling technology, blueprint reading and measurement of parts\nStrong mechanical aptitude\nStrong interpersonal skills including, but not limited to, contributing to a team-oriented environment, balancing team and individual responsibilities\nDemonstrated ability using Mills: 5th axis\nPreferred Qualifications\nThis role requires the ability to perform the essential functions listed below, with or without reasonable accommodation:Ability to lift up to 25 lbs unassisted\nAbility to stand, kneel, and move for extended periods\nAbility to perform repetitive movements, including bending, twisting, and using hands to handle or control tools and equipment\nComfortable working in environments with varying noise levels\n\nWilling to travel for short trips as needed, up to 20% travel \nBenefits & Compensation\nPre-IPO stock options\nMedical, dental, and vision insurance (Arbor covers 90% for employees)\nBasic life insurance fully covered\nHealth savings account (HSA) with matching\nFlexible savings account (FSA)\nUnlimited PTO\n12+ company holidays, including Earth Day!\n401(k)\nCommuter benefits\nAnnual learning and development stipend\nAnd more!\nBase Pay: $47.00 USD/hour. The base pay is subject to the applicant's skills, qualifications, experience, and geographic location.\nOur Commitment\nArbor Energy is proud to be an equal opportunity employer. We evaluate qualified applicants without regard to race, religion, national origin, gender identity or expression, sexual orientation, age, marital or veteran status, disability, or any other protected characteristic under applicable law. Solving global energy challenges requires a wide range of perspectives and experiences, and we are committed to building a team that reflects the world we serve.\nOur hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. 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