NewMechanical Quality and Commissioning Engineer - Certified Welding Inspector LotusWorksMechanical Quality and Commissioning Engineer - Certified Welding InspectorNew Albany, OhioLotusWorks is an Engineering Services provider specializing in managing Commissioning, Construction Services, Calibration, Operations & Maintenance scopes of work within global manufacturing facilities. The Mechanical QCx Engineer – Certified Welding Inspector (CWI) is responsible for ensuring the quality, compliance, and integrity of mechanical and piping installations throughout construction, testing, and commissioning activities.
Electronics Engineer LinHR ConsultingElectronics EngineerOhio$90,000–$110,000 / yearPosition Summary : We are seeking seeking an Electronics Engineer is responsible for researching, designing, developing, and testing electronic components and systems for use in products and equipment such as control systems, communication devices, instrumentation, and manufacturing equipment. With two major Engineering sites in the USA—located in Moraine, OH, and Brighton, MI—and a combined team of approximately 150 employees, we are committed to driving technological progress and nurturing a vibrant, collaborative work environment.
Project Geotechnical Engineer Quanta Infrastructure Solutions Group, LLCProject Geotechnical EngineerColumbus, OhioFull timeCollaborating with an in-house, multi-disciplinary engineering and construction team — including civil, structural, geotechnical, construction management, and construction experts — a Project Geotechnical Engineer plays a crucial role in providing geo-structural design solutions on projects; responsibilities include overseeing and supporting design production, contributing to the development of construction drawings and specifications, and engineering support during construction. QISG is seeking project level geotechnical engineering professionals interested in working to support large-scale engineering and construction projects throughout North America by providing geo-structural design solutions to our construction partners and clients.
Validation Engineer LinHR ConsultingValidation EngineerOhio$90,000–$110,000 / yearThis role develops validation protocols, conducts tests, analyzes results, and partners with engineering, quality, and operations to maintain validated states and support audits. With two major Engineering sites in the USA—located in Moraine, OH, and Brighton, MI—and a combined team of approximately 150 employees, we are committed to driving technological progress and nurturing a vibrant, collaborative work environment.
Embedded Software Engineer LinHR ConsultingEmbedded Software EngineerOhio$90,000–$110,000 / yearPosition Summary : We are seeking seeking an Embedded Software Engineer is responsible for executing the full embedded software development lifecycle, from requirements and design through coding, testing, and maintenance for microcontroller and microprocess or based systems. With two major Engineering sites in the USA—located in Moraine, OH, and Brighton, MI—and a combined team of approximately 150 employees, we are committed to driving technological progress and nurturing a vibrant, collaborative work environment.
Field Welding Engineer Bechtel CorpField Welding EngineerNew Albany, OHExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Bechtel will strengthen future economic development in the region by partnering with the North America Building Trades Unions and suppliers to create several thousand new jobs and work with local education organizations to implement new training programs that will support the future talent pipeline.
Mechanical Engineer Sterling Engineering, Inc.Mechanical EngineerColumbus, OH$90,000–$150,000 / yearWe’re partnering with a cutting-edge robotics and AI-driven automation organization that is transforming how intelligent systems operate in real-world manufacturing environments. If you’re a Mechanical Engineer who thrives on hands-on machine design, robotics integration, and seeing your work deployed in the field — this is your opportunity.
Bridge Design Engineer GpacBridge Design EngineerColumbus, OH85000–120000GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. Structural Design & Analysis – Perform precise calculations for bridge systems, combining hand methods with advanced software to guarantee safety and performance.
NewElectrical Engineer OTC IndustrialElectrical EngineerColumbus, Ohio$105,000–$120,000By coupling our teams' hands-on experience with a wide range of products from top vendors, we provide customers with the best quality products and technical application expertise and services at the lowest possible costs. Through investment in our people and growth from within, we believe in providing you with a wide variety of opportunities to accelerate your career potential as you help us drive change to move our business forward.
(Remote) Technical Support Engineer Harris(Remote) Technical Support EngineerOhioRemote$65,000–$75,000 / yearServe as primary technical contact for Globys' international carrier customers - triaging, reproducing, and resolving issues at Tier 1/2 without requiring engineering escalation unless a confirmed software defect or infrastructure failure is identified. This role is the primary technical point of contact for our international carrier customers (AT&T, Telstra, TELUS, OneNZ, and others) and demands someone who is as comfortable writing a SQL query to reproduce a data anomaly as they are walking a client through a configuration fix.
Deputy Project Field Engineer Bechtel CorpDeputy Project Field EngineerNew Albany, OHExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Bechtel will strengthen future economic development in the region by partnering with the North America Building Trades Unions and suppliers to create several thousand new jobs and work with local education organizations to implement new training programs that will support the future talent pipeline.
Building Engineer CBRE Group IncBuilding EngineerColumbus, OHCBRE serves clients through four business segments: Advisory (leasing, sales, debt origination, mortgage serving, valuations); Building Operations & Experience (facilities management, property management, flex space & experience); Project Management (program management, project management, cost consulting); Real Estate Investments (investment management, development). As a CBRE Building Engineer, you will be responsible for monitoring, maintaining and repairing building system operations and the performance of various areas including plumbing, electrical, painting, roofing, heating, and cooling.
Manufacturing Engineer I WielandManufacturing Engineer IDelaware, OhioThe Manufacturing Engineer will strive to implement processes that increase productivity, reduce in-process inventory, increase quality, and generate overall continuous improvement of manufacturing and production support systems. The Manufacturing Engineer I will plan, design, and implement production systems that assure safety, performance, reliability, maintainability, schedule adherence, cost control, and quality assurance.
Chief Engineer HH Columbus OSUChief EngineerColumbus, OHPart timeConcord Hospitality is seeking a skilled and proactive Chief Engineer to lead our property engineering team and ensure the safety, functionality, and quality of the hotel’s infrastructure and systems. Communicate effectively with the General Manager, corporate leaders, and ownership regarding property conditions, needs, and safety concerns.
EDI Engineer 3 Becton Dickinson Medical DevicesEDI Engineer 3Columbus, OhioThe role supports the integration and execution of manufacturing equipment and automation solutions at BD production sites, working in partnership with the sites to achieve seamless transition and rapid start-up. Follow Safety and Quality/GMP requirements for medical device manufacturing site (Safety shoes, safety glasses, hair net, beard net, face mask, hard hat, etc….as required per manufacturing site).
Assistant Field Engineer Holder Construction CoAssistant Field EngineerNew Albany, OHMust be agile/mobile, remain alert, be able to stand or walk for long periods of time, use fingers, hands & arms to reach, handle and manipulate objects, climb up/down ladders, scaffolds, and other objects. Holder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR's Top 400 Contractors list.
Intermediate Controls Design Engineer II ATS Automation Tooling Systems Inc.Intermediate Controls Design Engineer IILewis Center, OHYou will have the opportunity to program state-of-the-art automationequipment with PLCs, PCs, Robotics, motion controllers, vision systems, dispense systems, laser systems and other leading-edge technologies - with a strong emphasis on PLC and motion control platforms that are central to system performance. Work with other members of the control systems design department and other groups to continuously improve methods of integrating controls technology, with the goals being enhanced safety, enhanced functionality and reduced cost.
Field Engineer Technician Hourly Holder Construction CoField Engineer Technician HourlyNew Albany, OHMust be agile/mobile, remain alert, be able to stand or walk for long periods of time, use fingers, hands & arms to reach, handle and manipulate objects, climb up/down ladders, scaffolds, and other objects. Qualifications: Required: Ideal candidate for this position will possess 2 years of construction/surveying experience using total station and site levels. .
Senior Electrical Engineer, Data Centers - Remote (U.S.) AECOMSenior Electrical Engineer, Data Centers - Remote (U.S.)Columbus, OHWe invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Preferred Qualifications: Bachelor's degree in Electrical Engineering plus ten (10) years of relevant experience in electrical design and/or electrical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education.
Lead Software Engineer - Java, Python preferred JPMorgan Chase & CoLead Software Engineer - Java, Python preferredColumbus, OHAs a Lead Software Engineer at JPMorganChase within Asset & Wealth Management, you will build and evolve modern platform capabilities that help advisors, clients, and operations teams deliver outcomes with speed, safety, and reliability. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.
Sr Device Assembly Engineer AmgenSr Device Assembly EngineerNew Albany, OhioIn addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include: A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts. The engineer serves as a technical subject matter expert, partnering across Device Engineering, equipment system owners, Combination Products Organization, Manufacturing, Quality, Regulatory, Supply Chain, and external suppliers to support product improvements, troubleshooting, manufacturing investigations, design changes, and commercial launches.
Electrical Engineer Vertiv Group Corp.Electrical EngineerDelaware, OHVertiv solves the most important challenges facing today's data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extend from the cloud to the edge of the network. Actively participate in project kick-off and coordination meetings, and engage with cross-functional teams including architectural, structural, mechanical, manufacturing, and site engineers to ensure a cohesive project execution.
NewChief Engineer Concord Hospitality Enterprises CoChief EngineerColumbus, OHConcord Hospitality is seeking a skilled and proactive Chief Engineer to lead our property engineering team and ensure the safety, functionality, and quality of the hotel's infrastructure and systems. Communicate effectively with the General Manager, corporate leaders, and ownership regarding property conditions, needs, and safety concerns.
Medical Imaging Field Engineer - Columbus, OH Varian Medical Systems IncMedical Imaging Field Engineer - Columbus, OHColumbus, OH$50,210–$69,036 / yearIt is Siemens Healthineers' policy to comply fully and completely with all United States export control laws and regulations, including those implemented by the Department of Commerce through the Export Administration Regulations (EAR), by the Department of State through the International Traffic in Arms Regulations (ITAR), and by the Treasury Department through the Office of Foreign Assets Control (OFAC) sanctions regulations.". These requirements vary by client and may include, but are not limited to: Proof of valid identification (photo, driver's license, SSN) Criminal background checks Drug screens Immunizations (COVID-19, Hep B, MMR, Varicella, Influenza, Tetanus) Annual TB testing Healthcare training.
SCADA/Electromechanical Engineer Veolia Environnement SASCADA/Electromechanical EngineerJohnstown, OHIt offers a full spectrum of water, waste, and energy management services, including water and wastewater treatment, commercial and hazardous waste collection and disposal, energy consulting and resource recovery. Veolia in North America is the top-ranked environmental company in the United States for three consecutive years, and the country's largest private water operator and technology provider as well as hazardous waste and pollution treatment leader.
Solution Engineer, Enterprise - Columbus Ohio T-Mobile US IncSolution Engineer, Enterprise - Columbus OhioWorthington, OH$112,500–$202,900 / yearProvides Subject Matter Expertise in the following areas of focus: IOT, UCaaS, Private Network/Network Slicing, SDWAN/Edge, Security, Fixed Wireless, etc.) Collaborate with clients to develop and expand solutions, achieve business objectives, and overcome technical challenges Present and differentiate current & future state of T-Mobile's Network capabilities & product roadmap Maintain and update technical knowledge of wireless networks, devices, and industry trends through ongoing training and certification Support sales teams by providing technical input during presentations, responding to inquiries, and assisting with request for proposal processes Also responsible for other duties/projects as assigned by business management as needed Provide RFP technical input Strategize with Sales team to improve Regional sales Participate and lead Product, Network, & Marketing road-show and/or webinars Own customer technical relationships Education and Work Experience: Bachelor's Degree plus 3 years of related work experience OR advanced degree with 1 year of related work experience OR combination of education and experience deemed equivalent (Required) 2-4 years - Experience in telecommunications, with a professional track record of successful solution sales, managing internal/external relationships in a matrix environment. Enable coverage options and create suitable solutions for client review Partner with Advanced Network Service Team to create or augment required network/coverage solution Faciliate post-sale support/escalations as needed Job Responsibilities: Provide alignment and support to a group of Enterprise clients, including Fortune 1000 and Global 500 companies, within a specific geographic region Participate in client meetings including Executive Briefings and onsite at client locations Enable coverage options and create suitable solutions for client review Lead complex client solution based opportunities in sophisticated client segments such as Fortune 1K & Global 500.
Project Engineer - Electrical Greif IncProject Engineer - ElectricalDelaware, OH$94,400–$160,700 / yearDevelops projects which optimizes manufacturing processes, including process control, set-up, changeover, automation, die development, new equipment selections and lean manufacturing workflow improvements to enhance productivity, cost efficiency, reliability, and safety. Job Description: Job Summary: Reporting to the SBU Engineering Manager this role will be responsible for supporting creative engineering solutions to production process issues through the modification and improvement of existing equipment and subcomponents, or the design and development of new products.
Process Engineer, Lima Plant P&GProcess Engineer, Lima PlantOhioDaily work could encompass any of the following: Process Optimization & Loss Elimination: Identify, prioritize, and eliminate losses and inefficiencies through root cause analysis, implementing innovative solutions to streamline processes and reduce manual intervention. Data Analysis & Value Creation: Leverage data management and visualization tools (e.g., Databricks, SQL, Tableau, Power BI) to analyze trends, generate actionable insights, and collaborate with stakeholders to define solutions that drive business outcomes.
Senior or Principal Electrical Design Engineer - Data Center Mission Critical Enercon Services IncSenior or Principal Electrical Design Engineer - Data Center Mission CriticalColumbus, OH$107,200–$180,000 / yearYou develop precise, high-quality designs, coordinate with other disciplines, and connect with clients to ensure solutions meet real-world needs. Client & Cross-Disciplinary Collaboration: Build strong relationships with clients through professional interactions and communications, and through the development of quality engineering products.
Assistant Field Engineer Hourly Holder Construction CoAssistant Field Engineer HourlyColumbus, OHMust be agile/mobile, remain alert, be able to stand or walk for long periods of time, use fingers, hands & arms to reach, handle and manipulate objects, climb up/down ladders, scaffolds, and other objects. Holder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR's Top 400 Contractors list.
NewMechanical CSU Engineer Bechtel CorpMechanical CSU EngineerNew Albany, OHExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. We are partnering with the North America Building Trades Unions and suppliers to create several thousand new jobs and work with local education organizations to implement new training programs that will support the future talent pipeline.
Senior Industrial Engineer GXO Logistics IncSenior Industrial EngineerWest Jefferson, OHOur greatest strength is our global team - energetic, innovative people of all experience levels and talents who make GXO a great place to work. As the Senior Engineer, Industrial, you will be responsible for facility layout and design, manpower planning, project scheduling and management, and support for new business development.
Substation Design Engineer AES CorporationSubstation Design EngineerUS, Dayton, OHAES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide. E-Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.
Assistant Field Engineer (Hourly) Holder ConstructionAssistant Field Engineer (Hourly)Columbus, OhioMust be agile/mobile, remain alert, be able to stand or walk for long periods of time, use fingers, hands & arms to reach, handle and manipulate objects, climb up/down ladders, scaffolds, and other objects. Holder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR’s Top 400 Contractors list.
Experienced Substation Structural Engineer WSP Global IncExperienced Substation Structural EngineerColumbus, OH$82,800–$151,100 / yearWork as an individual or as part of a cross-functional team of engineers, architects, planners, and scientific professionals to execute project work, assist with laying out installations, establishing reference points/elevations/grades to guide construction, selecting appropriate materials to ensure durability, calculating costs and quantities of material/equipment/labor, and ensuring project work conforms with specifications, permit applications, compliance documentation, and regulatory and technical analysis memos. WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant's education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location.
Associate Process Engineer, MS&T Forge BiologicsAssociate Process Engineer, MS&TColumbus, OHThis is a highly collaborative role that works closely with cross-functional teams including Process Development, Manufacturing, MSAT Operations, Validation, Quality, and external partners to ensure processes are scalable, robust, and aligned with global regulatory expectations. The Associate Process Engineer (Drug Product) is an entry level technical contributor within Manufacturing Science and Technology (MS&T), responsible for supporting implementation and sustainment of biopharmaceutical equipment and processes supporting gene therapy manufacturing.
Senior Roadway Engineer WSP Global IncSenior Roadway EngineerColumbus, OH$94,300–$155,500 / yearWork as an individual or as part of a cross-functional team of engineers, planners, and scientific professionals to execute project work on multiple concurrent projects, assist with laying out installations, establishing reference points/elevations/grades to guide construction, calculating costs and quantities of material/equipment/labor, and ensuring project work conforms with specifications, permit applications, compliance documentation, and regulatory and technical analysis memos. Determine well-defined methods for collecting, compiling, and analyzing data from the physical work site, surveys, blueprints, GIS data, subsurface utility information, maps, hydrologic analysis, geotechnical data, and other matrices for project development, design, and construction.
Blast Furnace Equipment Sales Engineer The Misch GroupBlast Furnace Equipment Sales EngineerColumbus, Ohio$120,000–$140,000 / yearCompany Type: Premier Industrial Manufacturing Group (Metals & Power Generation) Location: Regional Field Role (Territory: IN, OH, MI, or Western IL/Chicago) Experience: 5+ Years Industrial/Steel Sales Salary: $120,000 – $140,000 Base + Bonus + Vehicle + Pension. Industry Background: Significant experience in Blast Furnace operations or "Hot End" steel mill environments (working in areas where steel is molten or being formed) is highly preferred.
Structural Engineer The Perillo GroupStructural EngineerBlacklick, OHIf you are a dedicated Structural Engineer looking to contribute to innovative projects and work in a collaborative environment, we would love to hear from you. As a Structural Engineer, you will be responsible for designing, analyzing, and ensuring the integrity of various structures.
Rigging Field Engineer Bechtel CorpRigging Field EngineerOH$123,400–$178,500 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Additional Information: Work requires the physical ability to conduct field inspections including but not limited to: extensive walking in and around a construction site often in high heat and high humidity conditions, climbing ladders, climbing scaffolding, working on elevated platforms, working on uneven surfaces, and working in small or confined spaces.
Automation Engineer Specialist Kendall Electric, Inc.Automation Engineer SpecialistColumbus, OHCross-functional Skills: Ability to work well cross-functionally; provides excellent internal and external customer service; experience working in a sales department; self-motivated to learn new technologies and accomplish tasks when due; effective presentation skills in small and large group settings. Qualifications we prefer but don't require: Work Experience: 2 years of industrial distribution; hands-on electrical/mechanical experience; PLCs, HMIs, Networks, Safety, Motion Control, VFDs, and other automation equipment experience; understanding of manufacturing machinery, processes, networks, and analytics.
Senior Automation Engineer Stanley Electric U.S.Senior Automation EngineerLondon, OhioOur London, Ohio facility houses lighting and mold design, construction, production engineering, and dedicated associates in our Quality, Assembly, Sales, and Customer Service departments. Stanley Electric U.S. is seeking an experienced Automation Engineer with a minimum of 5 years of automation experience in a high-volume production environment.
Senior Mechanical Design Engineer - Data Center Mission Critical Enercon Services IncSenior Mechanical Design Engineer - Data Center Mission CriticalColumbus, OH$100,000–$160,800 / yearEach day, you'll lead the creation of precise engineering documents, ensuring they meet strict industry codes and client expectations while collaborating across disciplines to deliver innovative, safe solutions. We are looking for Mechanical Engineer craft precise documents, maintain industry knowledge, and ensure high-quality engineering deliverables.
Principal Systems Engineer Honeywell International IncPrincipal Systems EngineerColumbus, OHAs a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments - powered by our Honeywell Forge software - that help make the world smarter, safer and more sustainable. This position serves as the technical authority and program systems leader, working across engineering disciplines and business functions to deliver high-impact sensing solutions for industrial, aerospace, or automotive applications.
Electrical Engineer The Williams Companies IncElectrical EngineerNew Albany, OHYou'll collaborate with skilled professionals across engineering, operations, and maintenance teams, gaining exposure to cutting-edge systems and real-world challenges. Continuous learning: Whether it's mastering new technologies, codes, or tools, you'll have opportunities to grow your technical knowledge and expand your skill set.
NewForward Deployed Engineer- Servicenow DeloitteForward Deployed Engineer- ServicenowColumbus, OH$134,500–$265,100 / yearAt Deloitte, Forward Deployed Engineers (FDE) don't just build AI solutions, they help clients turn AI ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery and vertical expertise. This requires a highly motivated practitioner who moves with speed and precision, building working software, engaging confidently with senior stakeholders and engineers to bring measurable business impact from day one.
Water Engineer Co-opIntern Arcadis NVWater Engineer Co-opInternColumbus, OH$22.47–$33.70 / hourCandidates should demonstrate exceptional analytical and problem-solving abilities, have a solid understanding of engineering concepts, theories, and practices related to water, wastewater, and stormwater, and be proficient in Microsoft Office applications, including Excel, Word, and PowerPoint. Additionally, you will have the opportunity to support Asset Management projects by performing data analytics, operational and organizational assessments, condition assessments, and overall performance evaluations of water/wastewater/stormwater facilities.
Senior Geotechnical Engineer DLZ CorporationSenior Geotechnical EngineerColumbus, OhioAs a nationally recognized, award-winning multidisciplinary firm, we deliver engineering and architectural design services, construction management, surveying, right-of-way acquisition, and materials testing across the Midwest. This role combines technical leadership, project delivery, and mentorship with opportunities to work on challenging, high-profile projects across the region.
Construction Project Engineer II TPRGConstruction Project Engineer IIDublin, OhioOnce Superintendents have reviewed contract issues, the Project Engineer interprets the documents and coordinates possible resolution with the Project Manager to issues related to the project drawings and specification, and other project related needs. The Project Engineer is responsible for all plans and specifications, development of tracking logs, shop drawings, RFIs, POs, proposals, RFQs and other job specific documentation.
Project Engineer Upland Mechanical, Inc.Project EngineerColumbus, OhioFull timeSUMMARY: The Project Engineer assists the company in meeting its objectives and goals by supporting the Project Manager and project team, which are responsible for overseeing, and directing assigned commercial construction projects taking appropriate actions to ensure projects are completed on time, within budget and with defined resources. Our construction and service (mechanical and electrical) experience includes a broad range of commercial and government projects, including data centers, hospitals, sports stadiums, convention centers, hotels, and research laboratories.