Jobs in United States

Mechanical R And D Engineer in United States

158 active opportunities · Updated October 2026

Explore current mechanical r and d engineer jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

O
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -80.2%

About the Team OpenAI is helping build the infrastructure that powers the next generation of artificial intelligence. Through Stargate, we are developing and operating large-scale AI compute campuses that require world-class execution across data center design, construction, commissioning, and operations. The Infrastructure Operations team is responsible for bringing AI infrastructure online and ensuring it operates reliably at scale. We partner closely with hardware, network, deployment, construction, and operations teams to deliver mission-critical environments capable of supporting frontier AI workloads. As our footprint expands, operational excellence becomes increasingly important to ensuring safe, reliable, and efficient campus operations. About the Role We are seeking a Facilities Operations Manager to support the commissioning, operational readiness, and long-term operation of next-generation AI data center campuses. This role sits at the intersection of construction, commissioning, hardware deployment, and facilities operations. You will be responsible for ensuring mission-critical infrastructure is prepared to support hardware deployment, transitioned successfully into production operations, and maintained to the highest standards of reliability and availability. You will lead day-to-day operational execution across electrical, mechanical, controls, and supporting infrastructure systems while partnering closely with commissioning teams, site operators, vendors, and engineering organizations. This role requires a strong blend of technical depth, operational leadership, and cross-functional execution. Key Responsibilities Lead day-to-day operations of mission-critical facility infrastructure across AI compute campuses. Own operational readiness activities supporting new campus deployments and infrastructure expansion. Partner with commissioning teams to transition facilities from construction and startup into steady-state operations. Develop, implement, and

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B
📍 Ogden, UT, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Radiation Environmental Test Engineer (Mid-Level or Senior) Company: The Boeing Company Boeing Missile & Weapons Systems is seeking a Radiation Environmental Test Engineer (Mid-Level or Senior) to lead radiation and environmental test efforts supporting ICBM modernization at the Little Mountain Test Facility in Hill Air Force Base, UT. This hands-on role combines test design, execution, data analysis, and facility/test-stand maintenance. The position supports ongoing modernization efforts to enhance current test capabilities and new developing capabilities—identifying, designing, managing, and integration of new test stands, diagnostics, and data systems to meet evolving mission requirements. Position Responsibilities: Lead and execute complex radiation and environmental test machine design and facility integration Identify interface requirements, CDRLs, configuration control documentation, and change orders Design, specify, and integrate test hardware, sub-assemblies, fixtures, and instrumentation Assist in configuring, validating, and operating data acquisition systems and custom software (LabVIEW) for diagnostics and event capture Support pulse power and flash X-ray systems: theory, operation, diagnostics, and data capture Perform technical evaluation of subcontractors Basic Qualifications (Required Skills and Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement Level 3: 5+ years of related work experience and a bachelor’s degree or an equivalent combination of related work

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JI
📍 New Albany, OH, United States
✓ High-confidence listingCompany trend +1800%
Quick readStrong listing-quality and freshness signals

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Operating Engineer, Data Centers What this job involves - The Operating Engineer assists with critical environment (CE) engineering operations monitoring and performing preventive maintenance and continuous operation of all data center systems. The position will have a strong focus on data center mechanicals, electrical equipment troubleshooting and repairing CE facility equipment, and learning the core functions of an operating engineer. Your day-to-day tasks will include - Conduct routine inspections and preventive maintenance of equipment and systems (e.g., cooling systems, electrical systems, generators, fire suppression, UPS systems) to ensure the smooth operation of the data center. Monitor building management systems and respond to alarms and alerts promptly. Assist in diagnosing and resolving operational issues in the data center, including electrical, mechanical, and network-related problems. Collaborate with senior engineers to troubleshoot complex technical issues and implement appropriate solutions. Assist with the installation, configuration, and testing of new equipment. Assist in coordinating equipment upgrades and modifications.</l

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📍 Albuquerque, NM, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Systems Engineer (Modeling & Simulation) (Associate or Mid-Level) Company: The Boeing Company Boeing Defense & Security (BDS) is looking for an Associate or Mid-Level Systems Engineer (Modeling & Simulation) (Level 2 or 3) to join our multi-disciplined engineering team in Albuquerque, New Mexico designing and developing advanced concepts on a DOD propriety program . This position will join a multi-disciplined team of engineers and scientists to develop and test advanced concepts for the Department of Defense. Work could include such things as image processing and analysis, radiometry, modeling and simulation, evaluation of field data to anchor models, and wherever the data may lead throughout the program. The ideal candidate will have strong MATLAB or Mathematic skills, an interest in data analysis; modeling and simulation; and some knowledge of optics and electro-optics. Position Responsibilities: Assists in developing and validating requirements for various electro-optical systems and components Uses data analysis results and output of mod/sim tools to assist in the development and validation of requirements for electro-optical systems, mechanical systems, interconnects and structures Works with engineering teams to collect and analyze data used to anchor models Performs complicated trade studies, modeling, simulation and other forms of analysis to predict component, interconnects and system performance and to optimize design around established requirements Defines and conducts critical analyses of various kinds to validate performance of designs to requirements Defines and conducts tests to validate performance of designs to requirements and anchor models to fi

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B
📍 Huntsville, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Experienced or Senior Digital Design Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a Digital Design Engineer to join our team in Huntsville, AL and play a vital role in the Patriot Advanced Capability-3 (PAC-3) program, one of the world's most advanced air and missile defense systems. This is your opportunity to work in a dynamic environment where your skills will directly contribute to protecting critical assets and ensuring mission success. If you are passionate about defense technology and want to make a real impact, we want to hear from you! Position Responsibilities: Design high speed digital circuits and perform signal integrity analysis Focus on electronic systems and electrical design, simulation and verification/validation testing of high-speed printed circuit boards (PCB) throughout full product development cycle Providing design guidelines and support for system architecture design, board layout, product bring-up, debug, validation, and factory builds This position requires obtaining a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim U.S. secret clearance Pre Start and final U.S. secret clearance Post Start is required. Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement 3 or more years of related work experience Experience in digital circuit design Preferred Qualificatio

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B
📍 Huntsville, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Experienced or Senior Digital CCA Design Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a Digital CCA Design Engineer who is a subject matter expert in high-speed digital circuit design , signal integrity analysis , and electrical design to join our time in Huntsville, AL. This position will p lay a vital role in the Patriot Advanced Capability-3 (PAC-3) program, one of the world's most advanced air and missile defense systems. This is your opportunity to work in a dynamic environment where your skills will directly contribute to protecting critical assets and ensuring mission success. If you are passionate about defense technology and want to make a real impact, we want to hear from you! Position Responsibilities: Focus on electrical design, simulation, verification, and validation testing of high-speed printed circuit board design and electronic system Lead product development cycles Collaborate with cross-functional teams, including other engineering disciplines Keeping current on related industry best practices and technological advancements This position requires obtaining a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim U.S. secret clearance Pre Start and final U.S. secret clearance Post Start is required. Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement. 3 or more years of related experien

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B
📍 Huntsville, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Experienced Electrical & Test Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks an Experienced Electrical and Test Engineer to serve as an Automated Test Equipment Engineer to join our Patriot Advanced Capability-3 (PAC-3) Electrical Engineering Capability Team in Huntsville, AL . We design, sustain, and upgrade next generation electronics concepts and support production and special test equipment design for increasing capacity requirements. Position Responsibilities: Support design of automated test equipment, development of engineering documentation, and hardware fabrication, integration, and validation testing Develop, document, and maintain electronic and electrical system requirements according to customer desires and contract requirements Create and implement overall Test Equipment Design strategies Review and apply real-time test anomaly troubleshooting and resolution of issues encountered during hardware validation and verification testing Support fielded test equipment hardware and software over the entire product lifecycle Research emerging technologies for potential applications to meet projected requirements Perform Root Cause Corrective Action (RCCA) investigations, troubleshooting, and resolutions This position requires the ability to get a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim U.S. secret clearance Pre Start and final U.S. secret clearance Post Start is required. Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Sc

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JI
📍 Kansas City, KS, United States
✓ High-confidence listingCompany trend +1800%
Quick readStrong listing-quality and freshness signals

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Job Summary: The Mobile Engineer has a strong focus on operating, maintaining, troubleshooting and repairing facility equipment on all systems. To successfully complete daily/weekly work assignments, the Mobile Engineer is expected to demonstrate technical expertise in one craft area (e.g. Electrical, HVAC, Piping/Plumbing, etc.) and be multi-skilled in others. Areas of Responsibility Maintenance Performance of ongoing preventive and repair response work orders on facility mechanical, electrical and other installed systems, equipment, and other components. Maintain, operate, and repair all HVAC systems and associated equipment, electrical distribution equipment, plumbing systems, building interior/exterior repair, and related grounds as it pertains to assigned buildings. Maintain HVAC systems and equipment at optimum levels (e.g., cleaning, inspecting, changing parts). Study and become familiar with the various items of equipment, and the methods required to use them properly, that are required in everyday activities. Monitor pricing and work quality of outside contractors. Where necessary, record readings and adjust to ensure proper operat

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JI
📍 Kansas City, KS, United States
✓ High-confidence listingCompany trend +1800%
Quick readStrong listing-quality and freshness signals

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Job Summary: The Mobile Engineer has a strong focus on operating, maintaining, troubleshooting and repairing facility equipment on all systems. To successfully complete daily/weekly work assignments, the Mobile Engineer is expected to demonstrate technical expertise in one craft area (e.g. Electrical, HVAC, Piping/Plumbing, etc.) and be multi-skilled in others. Areas of Responsibility Maintenance Performance of ongoing preventive and repair response work orders on facility mechanical, electrical and other installed systems, equipment, and other components. Maintain, operate, and repair all HVAC systems and associated equipment, electrical distribution equipment, plumbing systems, building interior/exterior repair, and related grounds as it pertains to assigned buildings. Maintain HVAC systems and equipment at optimum levels (e.g., cleaning, inspecting, changing parts). Study and become familiar with the various items of equipment, and the methods required to use them properly, that are required in everyday activities. Monitor pricing and work quality of outside contractors. Where necessary, record readings and adjust to ensure proper operat

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B
📍 Berkeley, United States
✓ Quality checkedCompany trend +515.8%

Lead RF Engineer - Aperture Architect Company: The Boeing Company Boeing Defense, Space & Security is seeking a Lead RF Engineer – Aperture Architect to serve as the engineering lead for the antennas and apertures on a major air proprietary program. As the Lead RF Engineer – Aperture Architect, you will provide technical leadership and drive technical execution in the development of advanced RF antennas that balance performance across sensing, structural, and low observable requirements. You will be the technical lead for a team of engineers designing and integrating modern RF apertures and antennas. You will work with the IPT leader and IPT Chief Engineer to ensure the team produces a compliant system design. Position Responsibilities: Drives technical excellence throughout all aperture design activities Provides technical leadership and ensures use of best practices across programs Provides oversight and approval of technical approaches, products, and processes. Works closely with program managers, program chief engineers, and other Boeing teams to ensure mission success and prompt resolution of anomalies Provides mentoring and coaching to other aperture design engineers Captures lessons learned and best practices for implementation on future programs Resolves complex problems impacting completion of program milestones Basic Qualifications (Required Skills and Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement <

Recruitment
S
📍 Portage, Michigan, United States
✓ Quality checkedCompany trend +364.7%

Work Flexibility: Onsite Stryker is seeking a Staff Advanced Manufacturing, Automation/Software Engineer to join our Advanced Operations team, supporting the Medical Division - Acute Care Business Unit. In this role, you will lead the design, development, and deployment of advanced automation and production test systems for new product introductions. This role is critical to ensuring reliable, scalable, and compliant manufacturing for patient support and patient environment products. You will serve as both a technical owner and a supplier-facing leader, architecting systems internally while guiding external partners to deliver high‑quality automation solutions. You will have the opportunity to work on the design transfer of new products from research through development and into production. This is a hybrid role based out of Portage, MI. The team works onsite 4-5 days per week to support collaboration and project needs. What you will do: Automation System Architecture & Development Lead the full lifecycle of industrial automation and test systems from requirements, architecture, and design through implementation, validation, and release. Define system-level requirements encompassing mechanical, electrical, software, controls, and safety considerations. Develop and integrate control software, embedded interfaces, test sequences, and operator interfaces (HMI/SCADA). Ensure robust performance, maintainability, reliability, and alignment with design intent and manufacturing needs. Troubleshoot complex processes, software, and equipment issues; optimize system performance and uptime. Supplier & Equipment Vendor Leadership Manage automation and equipment suppliers, including capability assessments, technical reviews, process monitoring, and on‑site visits. Create clear, comprehensive

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B
📍 Mascoutah, United States
✓ High-confidence listingCompany trend +515.8%
Quick readStrong listing-quality and freshness signals

Assembly Mechanic Company: Boeing Defense, Space and Security (BDS) has an exciting opportunity for Assembly Mechanics to support MQ-25 in Mascoutah, IL. The primary responsibility of this role is to assemble, install, and test structural components and systems according to engineering specifications and industry standards. The ideal candidate will have a strong background in structural assembly, excellent problem-solving skills, and the ability to work effectively both independently and as part of a team. Position Responsibilities: Individual job duties may include, but are not limited to: Read and interpret engineering drawings, blueprints, and technical specifications to understand assembly requirements for structural components. Assemble structural components, including beams, frames, panels, brackets, and other structural elements, using hand tools, power tools, and measuring instruments. Assemble precision assemblies, set up and operate ream fixtures to drill, ream, countersink, spot face, hone and bore for mating major assemblies. Install press fit bushings and force fit bushings. File, fit, hone, ream, drill, tap, saw, burr and adjust. Assemble a variety of production aircraft and spacecraft parts and install aircraft equipment, support equipment or power plant equipment. Install structural components into production aircraft ensuring proper alignment and connection. Test assembled structural systems to ensure functionality, safety, and compliance with quality standards. Assemble aircraft and/or spacecraft structures or aircraft and/or spacecraft support equipment structures with or without the aid of jigs and fixture

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JI
📍 Windsor, CT, United States
✓ High-confidence listingCompany trend +1800%
Quick readStrong listing-quality and freshness signals

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Assistant Maintenance Manager - JLL !!! Sign-on available !!! What this job involves: The Assistant Maintenance Manager leverages leadership skills and technical knowledge to lead a team of maintenance mechanics, working in conjunction with robotics, and controls systems technicians, in a fast-paced atmosphere while ensuring a safe working environment for all. Models safety standards and maintains an environment always focused on safety. Leads, trains, and supports maintenance team members as needed to develop individuals’ skills and expand team capabilities. Develops solutions to difficult problems, capable of managing outside contractors and being on-call for emergencies. Dedicated to supporting multi-site production by working in a safe, customer-focused manner. <l

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S
📍 Bellevue, Washington, United States· Full-time
✓ Quality checkedCompany trend -92.9%

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Snowflake's Frontier Engineering (FE) Operations organization is seeking a Director, Execution Operations to run delivery at scale. Rather than operating in team-aligned silos, this function aligns to the entire business, specializing in a unique swimlane with a deep cross-functional mindset and flow. In short: this team runs delivery — think execution at scale. Reporting to the Sr. Director, Services Global Operations, you will own the end-to-end delivery operations engine — from resourcing and onboarding through ongoing capacity management — as well as the Execution mechanics that keep delivery healthy, including pricing execution, bookings support, and deal support. You will lead a team responsible for making the delivery business run with precision, predictability, and margin discipline. In This Role, You Will: Own Resource Management & Staffing: Lead resource management and staffing across the FE delivery business, ensuring the right people are matched to the right engagements at the right time. Drive Delivery Process Optimization: Continuously optimize delivery processes, removing friction and standardizing workflows so teams can execute consistently at scale. Lead Project Kickoff & Onboarding: Own project kickoff and onboarding — the backend project initiatio

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