{"id":4026746,"url":"https://alion.io/job/cadrex-principal-engineer","title":"Principal Engineer","company":{"id":3832490,"name":"Cadrex","domain":"cadrex.com","url":"https://alion.io/company/cadrex","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Paylocity","truth_index":{"grade":"A","score":93,"open_postings":4,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":200000,"max":300000,"currency":"USD","period":"year","gross":null,"usd_annual":300000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FMEA","optional":true}],"status":"live","first_seen_at":"2026-11-10T15:13:20Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T17:13:26Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Description\nOVERVIEW\nCadrex is seeking a Principal Engineer who serves as the senior technical authority for the mechanical design, development, and industrialization of advanced data center rack systems, with a focus on OCP, Open Rack Platforms, and industry infrastructure standards. This role leads the development of scalable, cost-effective rack structures and mechanical subsystems for hyperscale computing, AI, and high-performance computing environments, leveraging expertise in structural design, sheet metal fabrication, welded assemblies, thermal management, and design for manufacturing.\nThe Principal Engineer translates customer requirements and industry standards into manufacturable products, guiding designs from concept through validation and full-scale production. This position partners with customers, engineering, manufacturing, quality, suppliers, and operations while establishing technical standards, resolving complex engineering challenges, mentoring engineering talent, and advancing the company's data center infrastructure product portfolio.\nKEY RESPONSIBILITIES\nLead mechanical architecture, design, and development of data center rack systems and related infrastructure.\nDesign structural frames, sheet metal assemblies, mounting systems, power supports, cable management, and associated components.\nEstablish modular product architectures that support scalability, customization, and component standardization.\nDevelop mechanical solutions for high-density computing, AI infrastructure, power distribution, and liquid-cooling applications.\nEstablish engineering standards for materials, tolerances, finishes, fasteners, and product configurations.\nLead structural analysis, FEA, and validation of rack systems to ensure strength, stability, load capacity, and durability.\nEstablish design requirements for payload, deflection, weld integrity, dimensional accuracy, and safe handling.\nDevelop and oversee prototype testing, engineering validation plans, and design qualification activities.\nInvestigate and resolve structural failures, vibration, deformation, and mechanical performance issues.\nOptimize product designs for sheet metal fabrication, forming, welding, finishing, and final assembly.\nDevelop designs that support automation, robotic welding, standardized tooling, and repeatable production.\nReduce material usage, part complexity, weld requirements, rework, and manufacturing costs.\nPartner with manufacturing engineering to improve production efficiency, quality, throughput, and process capability.\nMaintain compliance with applicable OCP, Open Rack, customer, and industry specifications.\nEnsure mechanical designs accommodate IT equipment, power distribution, cable management, and cooling system interfaces.\nCollaborate with electrical, power, and thermal engineering teams to support evolving rack architectures.\nLead compliance reviews, requirements documentation, and customer qualification activities.\nServe as the senior mechanical engineering resource for strategic hyperscale and data center customers.\nTranslate customer requirements into technical specifications, design solutions, and engineering proposals.\nLead technical reviews, feasibility assessments, and design discussions.\nSupport commercial teams with RFQs, technical presentations, cost assessments, and customer design-in activities.\nLead mechanical engineering activities from concept and prototyping through validation and full-scale production.\nOversee CAD models, engineering drawings, BOMs, specifications, and revision-controlled documentation.\nPartner with NPI and manufacturing teams to establish tooling, routings, work instructions, and inspection requirements.\nResolve engineering issues during production ramp and ensure successful product transitions to sustaining engineering.\nLead design-to-cost and value engineering initiatives to improve product profitability without compromising quality or performance.\nEvaluate materials, fabrication methods, suppliers, and assembly processes to identify cost-saving opportunities.\nUse production data, scrap trends, quality performance, and customer feedback to drive design improvements.\nEstablish mechanical engineering standards, CAD practices, design procedures, and product development methodologies.\nProvide technical mentorship and guidance to mechanical and manufacturing engineering teams.\nReview and approve critical designs, structural calculations, and validation plans.\nAdvance engineering capabilities, product innovation, design standardization, and long-term product development strategies.\nRequirements\nPREFERRED QUALIFICATIONS\n10+ years of progressive mechanical engineering experience in industrial equipment, sheet metal fabrication, structural assemblies, or data center infrastructure.\nDirect experience in designing or manufacturing OCP and/or industry racks for hyperscale data center customers.\nFamiliarity with OCP/industry rack and power specifications, including implementation-specific rack frames, power shelves, and IT gear interfaces.\nExperience with high-payload rack structures, busbar integration, high-power rack platforms, and liquid-cooling infrastructure.\nExpertise in robotic welding, automated fabrication, weld-fixture design, distortion control, and dimensional process capability.\nExperience supporting high-volume manufacturing in a multi-site or global manufacturing environment.\nFamiliarity with APQP, DFMEA, PFMEA, root cause analysis, and structured design verification.\nExperience with manufacturing cost modeling, should-cost analysis, and product platform standardization.\nExperience presenting technical solutions directly to hyperscale or enterprise data center customers.\nEDUCATION\nMaster's degree in Mechanical Engineering, Structural Engineering, or a related field.\nLOCATION\nOnsite\nSCHEDULE\nMonday-Friday\nWORK ENVIRONMENT\nWhile performing the duties of this job, the employee is frequently exposed to work near moving mechanical parts, vibration, hot parts & sharp edges. The employee is occasionally exposed to the risk of electrical shock. The noise level in the work environment is usually moderate and occasionally loud. \nPHYSICAL DEMANDS\nWhile performing the duties of this job, the employee is regularly required to stand, sit, use hands and fingers, handle or feel, and talk or hear. The employee is occasionally required to sit; climb or balance; stoop, kneel, crouch, or crawl. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, peripheral vision, color vision, depth perception and ability to adjust focus.\nCADREX CORE VALUES\nSafety first, rising to the challenge, collaboration, accountability, and doing the right thing\nTOTAL COMPENSATION INCLUDES\nHealth/dental/vision coverage\nEmployer-paid and supplemental life insurance\nShort- and long-term disability insurance\nGenerous paid time off and holiday pay\nMonthly remote work stipend (for remote employees who qualify)\n401(k) investment plan, with an employer match of up to 4%\nEducation support program\nSafety eyeglasses/shoe reimbursement\nReferral bonuses\nBonus plan for all full-time employees\nABOUT US\nCADREX Manufacturing Solutions is a leading provider of complex sheet metal and machined production parts, assemblies, and weldments for a variety of end markets, including electrical transmission and distribution, warehouse automation, technology, aerospace & defense, medical, food, and industrials. With locations in Colorado, Pennsylvania, Illinois, Washington, Wisconsin, Minnesota, Michigan, Indiana, Massachusetts, Oklahoma, and Monterrey Mexico, CADREX offers numerous in-house manufacturing capabilities, including laser cutting, sheet metal fabrication, complex assembly, CNC punching, CNC machining, forming, robotic welding, stamping, fastener insertion, and tool and die manufacturing, to effectively serve customers with lights-out manufacturing capabilities for mid- to high-volume production. For more information, visit www.cadrex.com.\nCadrex provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.\nSalary Description\n$200k - $300k\nNotice of AI Use in Job Application Review\nAs part of our commitment in creating a fair, efficient, and consistent hiring process we may use artificial intelligence (AI) to help our recruiting teams organize, summarize, and analyze information provided by candidates, including resumes, application responses, and other materials submitted during the application process.AI may be used to identify patterns, highlight relevant skills, and experience, and assist in comparing a candidate’s qualifications with the requirement of a specific role. 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