{"id":4056167,"url":"https://alion.io/job/quantum-space-materials-engineer-iii","title":"Materials Engineer III","company":{"id":3813300,"name":"Quantum Space","domain":"quantumspaceinc.com","url":"https://alion.io/company/quantumspaceinc","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":19,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":119,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hawthorne, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":125000,"max":175000,"currency":"USD","period":"year","gross":null,"usd_annual":175000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-11-11T01:04:03Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T05:11:22Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.\nWho We're Looking For\nWe are seeking an experienced Senior Materials and Process Engineer III to lead the development, qualification, and implementation of metallic materials and manufacturing processes for next-generation spacecraft structures, propulsion systems, and flight hardware. This role is ideal for an engineer with deep expertise in aerospace metallic materials, joining technologies, process qualification, and manufacturing development who thrives in a fast-paced environment supporting both hardware development and flight production.\nYou will work closely with propulsion, mechanical, manufacturing, quality, and test engineering teams to select, qualify, and optimize metallic materials and manufacturing processes that enable reliable, high-performance spacecraft systems. This highly collaborative role combines technical leadership, hands-on engineering support, root cause analysis, and process development across the entire product lifecycle - from early development through flight production.\nWhere You’ll Make an Impact\nLead the selection, development, qualification, and implementation of metallic materials and manufacturing processes for spacecraft structures, propulsion systems, and flight hardware\nDevelop and qualify friction stir welding (FSW), welding, brazing, heat treatment, machining, forming, additive manufacturing, and other metallic fabrication processes to support spacecraft production\nProvide technical leadership for materials selection, compatibility assessments, and manufacturing process development across multidisciplinary engineering teams\nProvide technical expertise in the optimization and qualification of friction stir welding, electron beam welding, laser welding, TIG welding, and other advanced joining processes for flight-critical hardware\nDevelop process specifications, material specifications, qualification plans, and manufacturing standards to support production and flight certification\nInvestigate material failures, manufacturing anomalies, and nonconformances using root cause analysis and corrective action methodologies\nSupport design reviews by providing guidance on material selection, manufacturability, structural integrity, and production readiness\nCollaborate with manufacturing, quality, and supplier teams to improve production efficiency, process capability, repeatability, and hardware quality\nSupport supplier qualification, material validation, and special process oversight to ensure compliance with aerospace standards\nDefine and oversee mechanical testing, metallurgical evaluations, nondestructive evaluation (NDE), and material characterization activities\nDrive continuous improvement initiatives that enhance manufacturing quality, reduce risk, and improve cost and schedule performance\nMentor junior engineers while serving as the technical authority for metallic materials and manufacturing processes\nSupport spacecraft development, qualification, and production efforts in a dynamic, fast-paced aerospace environment\nWhat It Takes\nBachelor's degree in Materials Science, Metallurgical Engineering, Materials Engineering, Mechanical Engineering, or a related engineering discipline\n10+ years of experience supporting metallic materials engineering and manufacturing processes in aerospace, defense, or other high-reliability industries\nExperience developing and qualifying friction stir welding (FSW), electron beam welding, laser welding, TIG welding, brazing, heat treatment, machining, or other metallic manufacturing processes\nDemonstrated expertise in metallic materials selection, qualification, and process development\nStrong knowledge of aluminum, titanium, stainless steel, nickel-based alloys, and other aerospace metallic materials\nExperience developing and qualifying welding, brazing, heat treatment, machining, or other metallic manufacturing processes\nExperience authoring material specifications, process specifications, qualification documentation, and engineering procedures\nStrong understanding of metallurgy, fracture mechanics, corrosion, fatigue, and failure analysis principles\nExperience performing root cause investigations and implementing corrective actions for manufacturing and material issues\nAbility to interpret engineering drawings, GD&T, material specifications, and aerospace manufacturing standards\nExcellent communication, organizational, and cross-functional collaboration skills\nAbility to lead technical efforts with minimal oversight while mentoring junior engineers\nNice-to-Have Experience\nMaster's degree in Materials Science, Metallurgical Engineering, or a related technical discipline\nExperience supporting spacecraft, launch vehicle, propulsion, or other aerospace flight hardware programs\nExperience developing welding procedures (WPS/PQR), process qualification, and production implementation for aerospace flight hardware using advanced joining technologies\nExperience with pressure vessels, propulsion systems, cryogenic hardware, or aerospace structures\nFamiliarity with nondestructive evaluation (NDE) methods including radiography, ultrasonic inspection, dye penetrant, and computed tomography\nExperience supporting material qualification programs in accordance with NASA, DoD, MIL, ASTM, or aerospace industry standards\nExperience with additive manufacturing qualification for metallic aerospace components\nExperience working with suppliers to qualify special processes and improve manufacturing capability\nProfessional Engineer (PE) license or relevant industry certifications\nWhat You’ll Get\nOwnership - Lead the development and qualification of metallic materials and manufacturing processes supporting mission-critical spacecraft hardware.\nInnovation - Help advance cutting-edge spacecraft manufacturing technologies that enable next-generation mobility and operations in space.\nImpact - Drive the reliability, manufacturability, and performance of spacecraft systems supporting national security, civil, and commercial missions.\nGrowth - Join a collaborative engineering organization where you'll influence product development, manufacturing strategy, and technical excellence across multiple spacecraft programs.\n Compensation - Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, FSA, 401(k) matching, and equity sharing\nLocation: Rockville, MD or Hawthorne, CA\nBase Salary: Rockville, MD: $125,000 to $175,000, Hawthorne, CA: $135,000 to $185,000\nThe salary range for this role is an estimate based on a wide range of compensation factors. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Quantum Space's total compensation package.\nAdditional Requirements\nTo comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\nApply now. 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