{"id":2390694,"url":"https://alion.io/job/boom-supersonic-principal-manufacturing-engineer-machining","title":"Principal Manufacturing Engineer, Machining","company":{"id":182226,"name":"Boom Supersonic","domain":"boomsupersonic.com","url":"https://alion.io/company/boomsupersonic","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":84,"open_postings":11,"ghost_share":0,"stale_share":0.455,"repost_share":0,"time_to_fill_p50_days":69,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Centennial, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":167000,"max":210000,"currency":"USD","period":"year","gross":null,"usd_annual":210000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-09T00:43:15Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-26T22:53:50Z","board_verified":true,"closed_at":null,"days_open":17,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":17},"description":"At Boom we are developing Symphony - the engine that will power Overture, the world's fastest airliner and Superpower, the natural gas turbine and revenue engine that fuels our endeavors while unblocking next-gen AI data centers. We are building it in Denver, at a pace and cost point the industry says is impossible, because the industry has forgotten what's possible.\nWe are looking for a Principal Manufacturing Engineer with deep hands-on expertise in CNC machining complex turbomachinery components, including blisks, airfoils, and other difficult aerospace hardware. You will own the process from model and drawing through production-developing the machining strategy, designing workholding, selecting tooling, programming, proving out the process, troubleshooting issues, and optimizing for reliable production.\nBuild the parts that other people struggle to make.\nWhat You'll Do\nDevelop and own CNC machining processes for blisks, airfoils, and complex turbomachinery components.\nProgram advanced 5-axis machining using high-end CAM software.\nDevelop toolpaths, tooling strategies, fixtures, posts, macros, and probing routines.\nSet up and prove out difficult processes directly on the machine.\nDiagnose and resolve problems involving the program, tooling, fixture, machine, material, or cutting conditions.\nMachine challenging materials including Inconel, nickel-based superalloys, titanium, and other difficult alloys.\nOptimize cycle time, tool life, process capability, and machine utilization.\nEngineer processes for reliable, lights-out machining.\nTrain and mentor engineers, programmers, machinists, and operators.\nLead technically challenging projects.\nWhat Sets You Apart\nYou understand the machining physics behind chatter, tool failure, deflection, part movement, and dimensional instability, and can identify and correct the root cause.\nYou've made parts others couldn't make. You can machine thin airfoils in nickel or titanium without unacceptable chatter or deflection, establish predictable tool life, and find significant cycle-time improvements in highly optimized processes.\nWhen standard CAM capabilities aren't enough, you can develop the post, macro, probing strategy, or toolpath required to get the job done.\nWhat You Bring\nExpert-level CNC programming experience with at least one high-end CAM system.\nDeep knowledge of CNC machines, controls, posts, macros, probing, and machine behavior.\nSignificant experience machining blisks, airfoils, impellers, bladed components, or other complex turbomachinery hardware.\nExtensive production experience with Inconel, nickel-based superalloys, titanium, or similar materials.\nStrong knowledge of tooling, workholding, cutting conditions, tool life, chatter, deflection, and process stability.\nProven ability to take complex processes from development through production.\nAbility to work across different CAM systems, machine brands, and controls.\nAbility to clearly explain technical decisions and teach others.\nThis Is a Principal-Level Role. You'll be the technical expert people call when the normal answers don't work. You'll lead the hardest machining challenges, establish processes others can follow, and raise the technical capability of the organization. If you can take a difficult blisk or airfoil from print to proven production process, we want to talk to you.\nWhat is it REALLY like to work at Boom?Find out here.\nCompensation\nThe Base Hourly Range for this position is $167,000 - $210,000 per year. Actual rate will vary based on factors including but not limited to location, experience, and performance.\nThere is no set deadline to apply for this job opportunity. Applications will be accepted on an ongoing basis until the search is no longer active.\nBenefits\nAlong with competitive pay and meaningful equity, Boom offers:\nMedical coverage, with Boom paying 70% of medical premiums\nFully paid dental and vision premiums for employee-only coverage\nA $100-$300 company HSA match on eligible medical plans\nA 401(k) with a company match\nGenerous paid time off and company holidays\nPaid parental leave\nConfidential counseling, coaching, and therapy resources for you and your family\nCompany-paid life and disability insurance\nPet insurance\nA $1,000 contribution to Invest America accounts for Boom babies\nHealthy meals, an on-site gym, and a fully stocked kitchen\nOngoing wellness events\nDiscounts on technology, concerts, and rental cars\nA dedicated real estate team to help you find a home\nITAR Requirement\nTo conform to U.S. Government aerospace technology export regulations (ITAR and EAR), applicant must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.Learn more about ITAR here.\nBoom is an equal opportunity employer, including for individuals with disabilities and protected veterans. We are building a culture of merit and excellence.\nWant to build a faster future? 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