Mechanical Engineer (Reactor Servicing), Senior Naval Nuclear LaboratoryMechanical Engineer (Reactor Servicing), SeniorWest Mifflin, PA$95,700–$149,600 / yearNaval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets.
NewSupplier Manufacturing Engineer System OneSupplier Manufacturing EngineerCheswick, PA$50–$80 / hourYou’ll act as the primary manufacturing engineering liaison to suppliers—leading root cause/corrective actions , coordinating inspection/audit readiness , and partnering closely with engineering, quality, sourcing, and program teams. System One is seeking a Supplier Manufacturing Engineer to support critical suppliers by driving manufacturing execution, quality, and delivery performance across a regulated environment.
NewManufacturing Engineer PlanIT GroupManufacturing EngineerNot Available, PADesigns manufacturing processes procedures and production layouts for assemblies equipment installation processing machining and material handling. Inspects performance of machinery equipment and tools to verify their efficiency and investigates and initiates corrective action of problems and deficiencies to ensure product quality.
Manufacturing Engineer Michael Page USAManufacturing EngineerMontgomery, PA$75,000–$85,000 / yearFull timeMy client is a U.S.-based automotive manufacturing and emissions technology company specializing in aftermarket solutions for diesel engines, particularly in the heavy-duty and commercial vehicle market. This role will play a key part in new product introduction (NPI), continuous improvement initiatives, and ensuring manufacturing efficiency, quality, and cost targets are achieved.
Welding Engineer Bechtel Plant MachineryWelding EngineerMonroeville, PennsylvaniaAs a Welding Engineer at BPMI, you will workunder significant oversight and performs routine technical functions to execute the BPMI mission in areas including but not limited to welding engineering evaluations and analyses, engineering decisions for all aspects of assigned tasks which may include a combination of several functions including the design, fabrication, installation, and refurbishment of equipment. Conduct production reviews and quality surveillance; review and approve supplier designs and supporting technical reports on assigned components and equipment; develop and implement methods to improve supplier performance.
NewWelding Engineer II Westinghouse Electric Co LLCWelding Engineer IICranberry Township, PA$69,200–$86,500 / yearAbout the role: As a Welding Engineer 2 you will support the development, and troubleshooting of welding-related requirements and activities for the fabrication, erection, and maintenance of nuclear power plants and associated facilities. Nuclear-specific construction or fabrication experience in the power plant, shipbuilding, industrial process construction, maintenance, component repair and replacement, applied research and development, or manufacturing facility.
Welding Engineer / Inspector - U.S. (Remote) DNV GL SEWelding Engineer / Inspector - U.S. (Remote)Chalfont, PARemote$75,000–$115,000 / yearThis position will provide sustainable and continuous service support for PED services, review/approval of permanent joining (welding) processes and personnel and development of welding program under Pressure Equipment certification services, primarily the EU Pressure Equipment Directive (PED). The role of Specialist, Permanent Joining is intended to focus technical support in a uniform manner and support existing portfolio as well as market growth for Pressure Equipment Directive services tied to welding activities.
Senior Welding Engineer Westinghouse Electric Co LLCSenior Welding EngineerCranberry Township, PA$85,200–$106,500 / yearAbout the role: As a Senior Welding Engineer you will support the development, implementation, and troubleshooting of welding-related requirements and activities for the fabrication, erection, and maintenance of nuclear power plants and associated facilities. Travel to suppliers and vendors for support of welding program activities, assisting vendors in welding related fabrication and technical issues, welding personnel qualification assistance, WPS qualification and documentation requirements.
NewWELDING ENGINEER Custom EngineeringWELDING ENGINEERErie, PAWelder Performance: Manage all company welding procedures and WelderPerformance Qualifications (WPQ) utilizing TWI Welding Qualifier Software.* Workforce Development: Coordinate and oversee the testing and qualification of newwelders (new hires) in partnership with HR and the Fabrication Plant Manager. The ideal candidate will bridge the gap between technical code compliance and practicalshop-floor execution, serving as the technical liaison between customers and our productionteam, while working closely with Operations, Quality, and Fabrication departments to ensureflawless project delivery.
Welding Engineer - Philadelphia, PA General Dynamics CorpWelding Engineer - Philadelphia, PAPAInteract with EB Strategic Sourcing Program Office, Suppliers, EB Engineering, EB Supplier Quality, EB Quality Assurance Engineering, EB Purchasing, EB Operations, EB COLUMBIA Program Office, EB VIRGINIA Program Office, Newport News Shipbuilding, SUPSHIP Groton, and NAVSEA as required. Primary responsibilities are to ensure Welders are working to appropriate policies and procedures, review and monitor welding onboarding and training programs, provide technical evaluation of welding non-conformances, review Supplier welding performance and Program Administration documentation for compliance to specification requirements, and evaluation and oversight of Supplier and Electric Boat Welder performance.
Welding Engineer Philadelphia, PA Electric Boat CorpWelding Engineer Philadelphia, PAPhiladelphia, PAPrimary responsibilities are to ensure Welders are working to appropriate policies and procedures, review and monitor welding onboarding and training programs, provide technical evaluation of welding non-conformances, review Supplier welding performance and Program Administration documentation for compliance to specification requirements, and evaluation and oversight of Supplier and Electric Boat Welder performance. Interact with EB Strategic Sourcing Program Office, Suppliers, EB Engineering, EB Supplier Quality, EB Quality Assurance Engineering, EB Purchasing, EB Operations, EB COLUMBIA Program Office, EB VIRGINIA Program Office, Newport News Shipbuilding, SUPSHIP Groton, and NAVSEA as required.
Manufacturing Engineer - Welding Oshkosh CorpManufacturing Engineer - WeldingPA$73,200–$117,800 / yearHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with Oshkosh Corporation's legal duty to furnish information. Within this range, individual pay is determined by various factors, including the scope and responsibilities of the role, the candidate's experience, education and skills, as well as the equity of pay among team members in similar positions.
Field Service Engineer, Welding & Machining - Field Engineering Leadership Development Program(FELP) Westinghouse Electric Co LLCField Service Engineer, Welding & Machining - Field Engineering Leadership Development Program(FELP)Madison, PA$69,200–$86,500 / yearAbout the role: As a member of the Westinghouse AOMS Field Engineering Leadership Development Program (FELP), you will be rapidly be exposed to various product lines and service offerings within the AOMS portfolio, with growing responsibility. These services include reactor vessel head repair, control rod drive mechanism, Clevis bolt repair, core barrel crack, and bowl drain repair projects.
Vocational Trainee: Welding (Fall 2026) AB VolvoVocational Trainee: Welding (Fall 2026)Shippensburg, PA$17–$46 / hourEquipment used includes a wide variety of welding positioners, stands, fixtures, tables, jib boom suspended welders and a variety of weld wire in coils, spools or drums and applicable flux materials. Work involves gas metal arc welding (GMAW), flux cored arc welding (FCAW), submerged arc welding (SAW), and flame cutting operations.
Welding Sales Specialist Airgas IncWelding Sales SpecialistPAThis is evident not only through our competitive compensation but also through a comprehensive benefits package that includes medical, dental, and vision plans, short-term and long-term disability, life and accidental death and dismemberment (AD&D) insurance, Employee Assistance Program (EAP), pre-tax commuter transportation benefit, parental leave, vacation, sick time, floating holidays, jury duty and funeral/bereavement leave, and paid holidays for all eligible full-time employees. Membership within the American Welding Society (AWS), American Society for Materials (ASM), American Society for Nondestructive Testing (ASNT), American Society for Quality (ASQ), American Society for Mechanical Engineers (ASME) and/or Society for Mechanical Engineering (SME) highly desirable.
Certified Welding Inspector - CWI (Mid-Atlantic USA) PennoniCertified Welding Inspector - CWI (Mid-Atlantic USA)Bethlehem, PennsylvaniaPennoni is currently seeking full-time and part-time AWS Certified Welding Inspectors for off-site fabrication shops in the MidAtlantic area that produce bridge and highway products for transportation agencies - we work regionally AND nationally! Required experience is consistent with, but not limited to: Inspection of welding, steel fabrication, coatings, expansion joints, bridge bearings, sign structures, bridge beams, drainage structures, and other materials .
Certified Welding Inspector CWI (USA) PennoniCertified Welding Inspector CWI (USA)King of Prussia, PennsylvaniaPennoni Construction Services, headquartered in King of Prussia, PA is currently seeking full-time and part-time AWS Certified Welding Inspectors for off-site fabrication shops throughout the USA that produce bridge and highway products for transportation agencies. Required experience is consistent with, but not limited to: Inspection of welding, steel fabrication, coatings, expansion joints, bridge bearings, sign structures, bridge beams, drainage structures, and other materials.
Certified Welding Inspector - CWI - Full Time/Part Time - Pittsburgh, PA PennoniCertified Welding Inspector - CWI - Full Time/Part Time - Pittsburgh, PAPittsburgh, PennsylvaniaPennoni is currently seeking full-time and part timeAWS Certified Welding Inspectors inthe Pittsburgh, PA area for fabrication shops that produce bridge and highway products for transportation agencies with experience is consistent with, but not limited to: Inspection of welding, steel fabrication, coatings, expansion joints, bridge bearings, sign structures, bridge beams, drainage structures, and other materials . As a 100% employee-owned firm, we continually strive to build a great workplace where our employees trust the people they work for, enjoy the people they work with, and take pride in what they do.
Welding Inspector - CWI - Eastern/Central PA, FT/PT PennoniWelding Inspector - CWI - Eastern/Central PA, FT/PTLancaster, PennsylvaniaExperience consistent with, but not limited to: Inspection of welding, steel fabrication, coatings, expansion joints, bridge bearings, sign structures, bridge girders/beams, drainage structures, nondestructive testing, and other related material. Pennoni is currently seeking full-time and part-time welding inspectors to perform, off-site Quality Assurance steel fabrication inspection at shops in Eastern and Central Pennsylvania that produce bridge and highway structures for transportation agencies.
Weld Engineer Rhoads Industries IncWeld EngineerPhiladelphia, PARhoads' capabilities enable our customers to achieve superior results by deploying our diverse, highly skilled workforce and fabrication capabilities across commercial, government and maritime projects, all backed by state‐of‐the‐art resources and a 100+ year legacy of leadership. In addition to our field service and project skilled labor, Rhoads has expansive shipyard facilities and over 300,000 square feet of heavy manufacturing space located in The Navy Yard in Philadelphia.
Weld Engineer (Sign on Bonus Available for Select Candidates!) Curtiss-WrightWeld Engineer (Sign on Bonus Available for Select Candidates!)Pittsburgh, PennsylvaniaMust be comfortable working effectively in a manufacturing environment where arc welding like GTAW, GMAW, SMAW, SAW, FCAW, PTAW processes which are used to produce x-ray quality structural and seal welds . Our Welding Engineers support our Welding and Manufacturing team so that the pumps and equipment we produce can survive the harshest environments on earth without compromising their quality or having an early end of life failure!
Weld Engineer Rhoads IndustriesWeld EngineerPhiladelphia, PennsylvaniaRhoads’ capabilities enable our customers to achieve superior results by deploying our diverse, highly skilled workforce and fabrication capabilities across commercial, government and maritime projects, all backed by state‐of‐the‐art resources and a 100+ year legacy of leadership. In addition to our field service and project skilled labor, Rhoads has expansive shipyard facilities and over 300,000 square feet of heavy manufacturing space located in The Navy Yard in Philadelphia.
NewEngineer Scholar HotelsEngineerState College, PennsylvaniaHand and power tools, electrical test equipment, refrigeration equipment, plumbing equipment, welding equipment, audio-visual equipment, pipe cutting equipment, telephone, office equipment, calculator, computer/computerized monitoring systems. Refrigeration, electrical, plumbing skills, boiler operation and maintenance skills, water treatment operation knowledge.
NewEngineer Technician Scholar HotelsEngineer TechnicianState College, PennsylvaniaHand and power tools, electrical test equipment, refrigeration equipment, plumbing equipment, welding equipment, audio-visual equipment, pipe cutting equipment, telephone, office equipment, calculator, computer/computerized monitoring systems. Refrigeration, electrical, plumbing skills, boiler operation and maintenance skills, water treatment operation knowledge.
Mechanical Research and Development Engineer Pennsylvania State UniversityMechanical Research and Development EngineerUniversity Park, PA$81,312–$137,280 / yearThe successful candidate will support research and development of new materials, innovative material system designs, and novel fabrication and testing methods covering a wide range of material systems including ceramics, metallics, and ceramic/metal matrix composites. Notice regarding employment at the Applied Research Laboratory (ARL): Employees must be eligible to obtain a government security clearance, participate in the ARL drug testing program, and comply with electronic and physical monitoring requirements applicable to federal contractors.
Senior Quality Assurance Engineer (NQA-1) Energy SolutionsSenior Quality Assurance Engineer (NQA-1)Harrisburg, PAJob Duties/Tasks/Responsibilities Provides support, as requested, for the development, review, revision and approval of quality-related procedures and plans aimed at ensuring high quality products and services for EnergySolutions customers. Assists line organizations with implementation of EnergySolutions quality assurance (QA) procedures especially in the areas of design control, procurement, records, corrective action, inspection and testing.
NewMechanical Design Engineer - CAD/CAM (Cimatron) Andritz AGMechanical Design Engineer - CAD/CAM (Cimatron)PAMust possess excellent mobility, solid visual acuity, good hearing, coordination, and manual dexterity, and ability to endure extended work hours when required (working safely and efficiently at all times as well as wearing the required personal protective equipment). Work is primarily conducted in an office environment, however, will require time in a manufacturing plant with exposure to varying temperatures, noise levels, dust, dirt, fumes, heavy duty magnets, welding machines, and manual/remote controlled devices using radio signals.
Senior Engineer Advanced Manufacturing, Fabrication Harley-Davidson IncSenior Engineer Advanced Manufacturing, FabricationYork, PA$93,400–$145,000 / yearJoin our Advanced Manufacturing-Fabrication team as a Senior Engineer and play a key role in developing and launching new fabricated metal components while implementing next-generation manufacturing processes. Employees at York also perform a variety of manufacturing operations, including fabrication, welding, polishing and painting and produce a wide range of current and replacement parts for all models.
Senior Design/Principal Engineer MRINetwork JobsSenior Design/Principal EngineerPhiladelphia, PennsylvaniaOur manufacturing client, located about 1-hour NW of Philadelphia, PA is seeking a Principal/Sr Design Engineer to mentor other Engineers in mathematical calculations involving structural welds and load calculations. Actively studies the appropriate (provided) design specifications, requirements, and codes to achieve mastery of the product design space, including current product portfolio.
Senior Engineer Advanced Manufacturing, Fabrication (York, PA, US) Harley-DavidsonSenior Engineer Advanced Manufacturing, Fabrication (York, PA, US)York, PA$93,400–$145,000 / yearJoin our Advanced Manufacturing–Fabrication team as a Senior Engineer and play a key role in developing and launching new fabricated metal components while implementing next-generation manufacturing processes. Employees at York also perform a variety of manufacturing operations, including fabrication, welding, polishing and painting and produce a wide range of current and replacement parts for all models.
Senior Metallurgical Engineer Victaulic CompanySenior Metallurgical EngineerEaston, PennsylvaniaWith over 2000 global patents, Victaulic solutions are at work in more than 140 countries across diverse business lines including oil and gas, chemical, mining, power generation, water and wastewater treatment, military and marine, as well as commercial building and fire protection. This position is based at Victaulic’s World Headquarters in Easton, PA and involves significant hands‑on laboratory work, collaboration with manufacturing and engineering teams, and periodic domestic or international travel (approximately 15%).
Senior Radio Frequency (RF) Attenuation Engineer Deployed Global Solutions LLCSenior Radio Frequency (RF) Attenuation EngineerPerkasie, PA$115,000–$125,000 / yearPart timeA Veteran owned full-service national security operation, Deployed Global Solutions, LLC (DGS) delivers low visibility, intelligent, agile, resilient, and secure turnkey mission solutions that are tailored to meet the global needs of our customers. This job operates in professional office, workshop, production facility, and field environments which can include working near moving mechanical parts, non-weather wet or humid conditions, and extreme cold and heat.
Quality Engineer Cannonball Recruiting LLCQuality EngineerLebanon, PAAssociate’s or Bachelor’s degree in Metallurgy, Quality, Engineering, Manufacturing, or related field preferred. Analyze inspection processes and recommend equipment or process improvements to enhance quality and productivity.
NewSteel Connection Design Engineer GpacSteel Connection Design EngineerPhiladelphia, PA130000–175000We are partnering with a well-established and growing structural steel organization seeking a motivated engineer to lead connection design efforts on a wide variety of commercial, industrial, and institutional projects. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990.
Sr. Mechanical Engineer PEAK Technical Services Inc.Sr. Mechanical EngineerCranberry Twp, PA$100,000–$140,000 / yearResponsible for providing mechanical design guidance and technical oversight of mechanical and electromechanical machines and large manufacturing plant systems. Collaborate with Project Managers, Electrical Engineers, and PLC Programmers to ensure cross-functional alignment on budget, scope, and timeline.
Electrical Construction Quality Engineer (QA/QC) Eaton Corporation PlcElectrical Construction Quality Engineer (QA/QC)Moon Township, PARemote$97,000–$143,000 / yearExperience overseeing quality control activities for electrical installation, testing, commissioning, and energization of power distribution systems and equipment, including one or more of the following: substations, switchgear, transformers, MCCs, panelboards, protective relays, grounding systems, cabling, raceways, or control systems. This role works closely with project managers, field supervision, EHS/safety personnel, owners/customers, subcontractors, vendors, and commissioning teams to ensure high-quality, safe, and efficient delivery of electrical construction.
Senior Quality Assurance Engineer (NQA-1) EnergySolutions LLCSenior Quality Assurance Engineer (NQA-1)Harrisburg, PAProvides support, as requested, for the development, review, revision and approval of quality-related procedures and plans aimed at ensuring high quality products and services for EnergySolutions customers. Assists line organizations with implementation of EnergySolutions quality assurance (QA) procedures especially in the areas of design control, procurement, records, corrective action, inspection and testing.
Senior Manufacturing Engineer Yantran LLCSenior Manufacturing EngineerPittsburgh, PAPartner with Product Engineering, Operations, Quality, Equipment Engineering, Controls Engineering, Industrial Engineering, Layout Engineering, Supply Chain, Facilities, Construction, EHS, and Maintenance teams to integrate manufacturing requirements into the overall plant design. Define workstation-level requirements, including assembly sequence, operator interface, torque strategy, fastening methods, error-proofing, gauges, lifting devices, tools, jigs, fixtures, and production aids.
Design Engineer Spirax Group plcDesign EngineerPittsburgh, PAFamiliarity with manufacturing processes such as heavy equipment mfg., welding technology, control panels with systems-specific pressure vessels, piping, pump, fluid transfer, and heat transfer design experience. Analyzes data to determine feasibility of product proposal; analyzes product or equipment specifications and performance requirements to determine designs that can be produced by existing manufacturing or processing facilities and methods.
QA-QC Engineer Linde plcQA-QC EngineerBlue Bell, PAProvide technical support during Inspection visits of purchased equipment for compliance with project specifications templates, and tools required for QA/QC Engineering and Supplier Inspections, within the SLNA Quality Management System. Inspection/Welding Specifications for product lines in cooperation with SLNA Engineering and Project Management Departments.
NewMechanical Systems Design Engineer The AES GroupMechanical Systems Design EngineerYork, PADesign complete mechanical systems including frames, weldments, end of arm tooling, and machine assemblies for robotic packaging equipment by developing 3D models, detailed drawings, and assembly layouts using SolidWorks CAD software . AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower their employees, and transform their business operations with the power of cloud, data, AI, engineering, and other emerging technologies.
Design Engineer Chromalox, Inc.Design EngineerPittsburgh, PAFamiliarity with manufacturing processes such as heavy equipment mfg., welding technology, control panels with systems-specific pressure vessels, piping, pump, fluid transfer, and heat transfer design experience. Analyzes data to determine feasibility of product proposal; analyzes product or equipment specifications and performance requirements to determine designs that can be produced by existing manufacturing or processing facilities and methods.
Process Engineer TheMasonGroupProcess EngineerPennsylvaniaContinuous training - we are firm believers that a strong, knowledgeable, well-trained staff is the reason we are at the top of our field, having continued success. This role focuses on improving manufacturing processes, supporting maintenance and quality functions, and driving continuous improvement initiatives.
Manufacturability Engineer (3757) Navarro Inc.Manufacturability Engineer (3757)West Mifflin, PAThe successful candidate will: -Collaborate with multi-disciplinary engineers across multiple locations - Review and dispositionSupplier mechanical design submittals to validate designs based on technical requirements -Interface with stakeholders to ensure project objectives are satisfied - Understand ASME Y14.5Geometric Tolerancing principles. Our company is looking for anexperienced Mechanical Engineer to join our Manufacturability team as part of the PropulsionPlant Team Trainer (PPTT) project, which is a multi-site organization engaged in the design,production, testing, and delivery of advanced training simulators.
Manufacturability Engineer (3757) Navarro Research and Engineering, Inc.Manufacturability Engineer (3757)West Mifflin, PAOur company is looking for anexperienced Mechanical Engineer to join our Manufacturability team as part of the PropulsionPlant Team Trainer (PPTT) project, which is a multi-site organization engaged in the design,production, testing, and delivery of advanced training simulators. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions for complex challenges in the nuclear and environmental fields.
Supplier Quality Engineer Dresser Utility Solutions LLCSupplier Quality EngineerPACoordinate, direct, and manage the part qualification process for all purchased parts as well as the supplier quality activities with focus on issue resolution, supplier's approval, qualifications, development, process control, and quality assurance consistent with Sourcing quality initiatives to reduce risk in the supply chain by ensuring suppliers are aware of our needs and procedures. Essential Responsibilities: Identify and qualify new suppliers by arranging initial audits, reviewing the supplier's manufacturing process plans, ensuring that suppliers will comply with and fulfill engineering and quality requirements for procured material.
NewSr. Mechanical Engineer PEAK Technical StaffingSr. Mechanical EngineerCranberry Twp, PACandidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/ Responsible for providing mechanical design guidance and technical oversight of mechanical and electromechanical machines and large manufacturing plant systems.
NewMANUFACTURING ENGINEER TE Connectivity plcMANUFACTURING ENGINEERMiddletown, PA$84,300–$105,300 / yearAs a trusted innovation partner, our broad range of connectivity and sensor solutions enable the distribution of power, signal and data to advance next-generation transportation, energy networks, automated factories, data centers enabling artificial intelligence, and more. All legitimate job openings are posted exclusively on our official careers website at te.com/careers, and all email communications from our recruitment team will come only from actual email addresses ending in @te.com.
Senior Radio Frequency (RF) Attenuation Engineer Deployed Global SolutionsSenior Radio Frequency (RF) Attenuation EngineerPerkasie, PennsylvaniaA Veteran owned full-service national security operation, Deployed Global Solutions, LLC (DGS) delivers low visibility, intelligent, agile, resilient, and secure turnkey mission solutions that are tailored to meet the global needs of our customers. This job operates in professional office, workshop, production facility, and field environments which can include working near moving mechanical parts, non-weather wet or humid conditions, and extreme cold and heat.
Manufacturing Engineer Karwell TechnologiesManufacturing EngineerPittsburgh, PAPartner with Product Engineering, Operations, Quality, Equipment Engineering, Controls Engineering, Industrial Engineering, Layout Engineering, Supply Chain, Facilities, Construction, EHS, and Maintenance teams to integrate manufacturing requirements into. Define workstation-level requirements, including assembly sequence, operator interface, torque strategy, fastening methods, error-proofing, gauges, lifting devices, tools, jigs, fixtures, and production aids.