Electrical Design Engineer EDA StaffingElectrical Design EngineerPawtucket, RI$80,000–$95,000 / yearFull timeWe are seeking an experienced Electrical Designer to join a leading engineering and construction firm specializing in design-build mechanical, electrical, plumbing (MEP), process piping, and automation solutions. The company partners with clients in the life sciences, healthcare, commercial, industrial, and institutional markets, delivering complex projects from concept through construction.
Civil Engineer - Cement expertise JobotCivil Engineer - Cement expertiseFoxborough, MA$80,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will have a proven track record in optimizing existing customer relationships, staying on top of industry trends, collaboration, account management, documentation, sales, mix design, and concrete.
Mechanical Test Engineer Butler America AerospaceMechanical Test EngineerNewport, RI$85–$100 / hourFull timePerform instrumentation planning and test conduct of all Hardware Tests including vibration, mechanical shock, temperature, altitude, humidity, and structural testing Dynamic and thermal data acquisition and analysis Provide test fixture design coordination Work independently and take ownership of program/project to achieve schedule, financial, and technical goals Prepare test plans, schedules, test reports, and technical documentation of project work assigned Work directly with design engineering, structural analysis personnel, manufacturing engineering, and commercial customers Provide technical expertise to programs as needed Factory and supplier testing support domestically and internationally Generate detailed, archival technical reports Travel to test sites to support test or design discussion (depending on work assignment) Willingness to travel to domestic sites, suppliers, and government facilities. Experience in one or more of the following areas: Signal processing, data acquisition, field test instrumentation, or structural testing.
NewHW/SW Systems Engineer Butler America AerospaceHW/SW Systems EngineerNewport, RI$100–$117 / hourContractorRequired Skill Sets: o Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience or in absence of a degree, 14 years of relevant experience. o Maintain, through configuration management processes, the requirements database Analyze, develop and decompose Level 1 requirements to Levels 2 through 4, through collaborating with leads across engineering disciplines.
Senior Data Engineer Waters CorporationSenior Data EngineerMilford, MAWe collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. The Senior Data Engineer is a hands on contributor responsible for building, maintaining, and improving data pipelines and data assets that support analytics, machine learning, and operational reporting.
Principal Data Engineer (Service) Waters CorporationPrincipal Data Engineer (Service)Milford, MADesign and build scalable, reliable data platforms that integrate service delivery data (work orders, cases, products, geography), service team member data (roles, locations, workloads), service revenue and cost data, and proforma P&L information to enable strategic decision-making. You will bring deep technical expertise in service business data domains, operate with a high degree of independence, and contribute to the design and delivery of scalable data platforms that enable strategic decision-making for revenue growth, margin expansion, and operational excellence initiatives targeting $200M+ in EBIT improvement.
Principal Pricing Data Engineer Waters CorporationPrincipal Pricing Data EngineerMilford, MAStrong business domain knowledge and experience working with enterprise systems such as SAP (e.g., supply chain data, orders, revenue recognition, pricing), Salesforce (commercial operations), and/or Service Excellence domains, with the ability to translate business processes into scalable data solutions. You will serve as a key problem solver for complex pricing data challenges and a trusted partner to both technical and business stakeholders, ensuring pricing data is accurate, accessible, and actionable across the enterprise.
Principal Data Engineer Waters CorporationPrincipal Data EngineerMilford, MAStrong business domain knowledge and experience working with enterprise systems such as SAP (e.g., supply chain data, orders, revenue recognition, pricing), Salesforce (commercial or service processes), with the ability to translate business processes into scalable data solutions. The Principal Data Engineer designs, builds, and enhances robust data pipelines and platforms that support analytics, machine learning, and operational monitoring.
Field Service Tech Diedre Moire Corp.Field Service TechNewport, RI$90,000–$140,000 / yearFull timeCONSIDERED EXPERIENCE INCLUDES: Metrologist Maintenance Calibration Technician Metrology Analytical Laboratory Instrumentation Validation Chromatography Mass Spectrometry HPLC UPLC GC MS GC/MS Chemistry Analyzers #DiedreMoire #JobSearch #JobHunt #JobOpening #Hiring #Job #Jobs #Careers #Employment #fieldservicejobs #technicianjobs #LabTechnicianJobs #MetrologistJobs #CalibrationTech. Metrology Metrologist Field Service Tech Technician Engineer Install Repair Calibrate Maintain Validate Maintenance Laboratory Instrument Instrumentation LCMS HPLC MS Mass Spec Spectrometry SCIEX Waters Agilent - .
Supplier Quality Engineer - Medical Device - Providence, RI Michael Page USASupplier Quality Engineer - Medical Device - Providence, RIProvidence, RI$75,000–$105,000 / yearFull timeThis role is responsible for managing supplier quality performance and driving continuous improvements across the supply chain. This organization is a global leader in innovative, mission-driven technology that directly improves and saves lives.
Maritime Pipe Field Engineer SENESCO MARINE LLCMaritime Pipe Field EngineerNorth Kingstown, RIThe employee is required to wear personal protective equipment (PPE) including but not limited to respirator, hardhat, face shield, safety goggles, safety shoes (steel toe), safety harness, gloves or other protective clothing as determined by a Senesco Marine Job Hazard Analysis. This role focuses on creating and supporting piping build strategy, coordinating piping system routing, and supporting the construction, installation, testing, and commissioning of marine piping systems aboard vessels.
Maritime Structural and Outfitting Field Engineer SENESCO MARINE LLCMaritime Structural and Outfitting Field EngineerNorth Kingstown, RIThe employee is required to wear personal protective equipment (PPE) including but not limited to respirator, hardhat, face shield, safety goggles, safety shoes (steel toe), safety harness, gloves or other protective clothing as determined by a Senesco Marine Job Hazard Analysis. This role focuses on supporting build strategy, coordinating structural and outfitting installation, resolving field issues, maintaining accurate as-built documentation, and helping ensure work is completed safely, correctly, and in line with project schedules.
NewField Service Engineer (Field Remote - Worcester, MA) PerkinElmerField Service Engineer (Field Remote - Worcester, MA)MassachusettsRemoteThe person needs to occasionally move between labs, corridors, adjoining rooms, and buildings onsite Frequently operate on instruments, objects, tools or controls, which will require regularly bending, squatting, stretching and reaching in order to perform in a service function. With over an 80+ year legacy of advancing science and a mission of innovating for a healthier world, our dedicated team collaborates closely with commercial, government, academic and healthcare customers to deliver our broad portfolio of analytical solutions, and OneSource services.
Lead Field Engineer CoxLead Field EngineerRandolph, MassachusettsProject & Installation Oversight Subcontractor & Trade Guidance: Provide technical direction to electrical and mechanical contractors to ensure all BAS control panels, controllers, valves, and field devices are installed strictly to design specifications and submittal drawings. 3. Site Leadership & Technical Problem Solving Cross-Trade Coordination: Coordinate daily field activities with Starboard Project Managers, Field Operations, and GC/Mechanical superintendents to ensure seamless workflow integration.
NewPipe Field Engineer Core Group ResourcesPipe Field EngineerNorth Kingstown, RIIn this role, you will support piping construction strategy, routing, installation support, field engineering, commissioning, and as-built documentation for vessel new-build and repair projects. A shipbuilding organization is seeking a Pipe Field Engineer to serve as the technical liaison between engineering and production teams for marine piping systems.
Lead Engineer, Technical Field Engineering Eversource EnergyLead Engineer, Technical Field EngineeringMA$145,670–$161,860 / yearLead effective interface with related departments ((Substation Technical, P&C Engineering, Station Design Engineering) on unresolved maintenance, identified capital improvement plan, and local Spares strategy. Assists and acts as the technical lead responsible for the review of test and commissioning plans, test results, maintenance reports and apparatus analysis reports of substation and electric field systems.
Maritime Structural and Outfitting Field Engineer Senesco Marine, LLCMaritime Structural and Outfitting Field EngineerNorth Kingstown, RIThe employee is required to wear personal protective equipment (PPE) including but not limited to respirator, hardhat, face shield, safety goggles, safety shoes (steel toe), safety harness, gloves or other protective clothing as determined by a Senesco Marine Job Hazard Analysis. This role focuses on supporting build strategy, coordinating structural and outfitting installation, resolving field issues, maintaining accurate as-built documentation, and helping ensure work is completed safely, correctly, and in line with project schedules.
NewField Engineer 3 ObjectWin Technology IncField Engineer 3Warwick, RIYour assignments will range in complexity from troubleshooting and repair to more difficult device repair, including reloading and re-imaging of PCs/laptops, and installing and optimizing HW/SW networking products. Ensures client specific Service Level Agreements are met and incident and request tickets are updated accordingly within the ticketing system.
Field Engineer II Gilbane Building CoField Engineer IIProvidence, RI$76,500–$95,000 / yearGilbane is seeking a Field Engineer II to be responsible for learning all roles and responsibilities of the Project Engineer and Superintendent function, and leveraging training within the field for hands on experience. Communicates with Site Services/ Next150, orders material, and understands workforce needs, ensures clean jobsite.
Maritime Pipe Field Engineer Senesco Marine, LLCMaritime Pipe Field EngineerNorth Kingstown, RIThe employee is required to wear personal protective equipment (PPE) including but not limited to respirator, hardhat, face shield, safety goggles, safety shoes (steel toe), safety harness, gloves or other protective clothing as determined by a Senesco Marine Job Hazard Analysis. This role focuses on creating and supporting piping build strategy, coordinating piping system routing, and supporting the construction, installation, testing, and commissioning of marine piping systems aboard vessels.
Senior AV Field Engineer - Integration One Diversified LLCSenior AV Field Engineer - IntegrationQuincy, MADecision Making Authority: The SFE typically will be working alone after the installation is substantially complete, but still will coordinate with other team members to ensure a smooth project completion and good communication. A wide range of voluntary benefits including Critical Illness, Hospital Indemnity, Accident Insurance, Pet Insurance, Homeowners and Auto Insurance, Supplemental Life and AD&D coverage, and Legal Services.
Field Service Engineer ArcfieldField Service EngineerMiddletown, Rhode IslandFull timeThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.
Field Service Engineer Rite-Solutions IncField Service EngineerMiddletown, RIThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Arcfield 's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Concrete Accessories Field Sales Engineer Illinois Tool Works IncConcrete Accessories Field Sales EngineerRI$100,000–$110,000 / yearITW Commercial Construction North America (CCNA), a division of ITW, includes trusted brands like Buildex (Teks, Sammys), Red Head (TruBolt, Tapcon), Ramset (Trakfast), and PNA, serving professional contractors since 1910. Primary Responsibilities: Develops professional relationships with key architectural & engineering firms in PNA targeted markets, utilizing engineering expertise to drive and influence product specification.
Field Applications Engineer, Europe United Electronic Industries, Inc.Field Applications Engineer, EuropeNorwood, MASoftware/Programming UEI's List of Supported OSs, Programs & Applications Software Downloads UEI's Most Current Software Downloads Calibration Certified 17025:2017 Videos Watch and learn from UEI experts Processors Overview of available UEI processor options FAQ Frequently Asked Questions Tutorials Overview and educational documentation Training Learn from UEI expert engineers Contact Us US & International Sales and Support Contacts. Why UEICompany Support Application StoriesBlog CartOrdersAdminLog InLog Out Products Industries Applications Search: Search: Products Industries Applications Why UEI Company Our Story News & Events Careers Warranties Partners Support Software/Programming Software Downloads Calibration Processors FAQ Tutorials Training Videos Contact Us Application Stories Blog Cart Orders Admin Log In Log Out.
Field Test Engineer, Maritime Anduril Industries IncField Test Engineer, MaritimeRIAs our team continues to quickly grow, we are looking for motivated candidates that are inspired to work within an extremely energetic, creative, and innovative team that is passionate about subsea robotics and exploring the open ocean. Author detailed daily operational test reports to document the step-by-step execution of internal and customer facing efforts to test and evaluate AUV platforms and new capabilities.
Digital Integration Solutions - Field Service Engineer Eaton Corporation PlcDigital Integration Solutions - Field Service EngineerMA$71,000–$115,000 / yearBasic Qualifications: Bachelor's degree from an accredited institution OR a high school diploma/GED with 3+ years of work experience with Power Management, Power Control, Mission Critical, or Building Management systems. Join Eaton's Electrical Engineering Services & Systems team and be part of a dynamic group delivering innovative solutions across the entire power system lifecycle-from design and build to long-term support.
Senior Digital Integration Solutions - Field Service Engineer Eaton Corporation PlcSenior Digital Integration Solutions - Field Service EngineerMA$104,000–$145,000 / yearJoin Eaton's Electrical Engineering Services & Systems team and be part of a dynamic group delivering innovative solutions across the entire power system lifecycle-from design and build to long-term support. Provide applied engineering and consultation to customers in the areas of system integration, installation, start-up, maintenance, repair, training and modification of power management, control, and mission critical systems.
Principal Systems Engineer, Field Test Lead, Onsite RTXPrincipal Systems Engineer, Field Test Lead, OnsiteMassachusettsActive and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. The Systems Engineering & Test Capabilities team is seeking a highly motivated Principal Systems Engineer to lead the planning and execution of complex integration and verification test events supporting PATRIOT programs.
ASCO Field Sales Engineer Schneider Electric SEASCO Field Sales EngineerProvidence, RI3+ years sales experience of similar products; Local experience preferred Knowledgeable of the power industry & three-phase electricity Utilizes strong product, competitor and customer knowledge to act as a consultant to targeted and established accounts Excellent interpersonal, presentation & communication skills A drive to respond immediately to both customers and other SE employees Proficient in all Microsoft applications Proven ability to communicate technical information to a wide audience Valid driver's license & ability to drive to construction sites and management offices required Education: BS degree or comparable work experience required; engineering degree preferred Ready to make an impact in the field? Develop plans for introducing new products Coordinate proper inter-ASCO sales involvement (ASI/Load Bank), Coordinate and manage projects internally and externally to ensure smooth completion, Develop tactics to improve relationships/sales.
Field Service Engineer (Defense & Aerospace; Remote: MA, GA, AZ) Teradyne IncField Service Engineer (Defense & Aerospace; Remote: MA, GA, AZ)MARemote$78,200–$125,100 / yearThese include: Travel to customer site to support our customers to perform preventive maintenance procedures, system level repairs, system installation, and acceptance testing of Teradyne Defense and Aerospace Test Systems (S9100, SpectrumHS, SpectrumBT Tester, High Speed SubSystem, Tempo). Benefits: Teradyne offers a variety of robust health and well-being benefit programs, including medical, dental, vision, Flexible Spending Accounts, retirement savings plans, life and disability insurance, paid vacation & holidays, tuition assistance programs, and more.
Field Service Engineer – Commissioning Biomedical SearchField Service Engineer – CommissioningFranklin, MAThis is a highly visible, customer-facing position ideal for someone who enjoys problem-solving, working with cutting-edge automation, and traveling to support installations and service needs. In this role, you will troubleshoot complex mechanical, electrical, and software systems, perform system testing and site acceptance activities, and work directly with customers to ensure successful system performance.
Field Service Engineer - White Goods, Laundry elix sourcing solutionsField Service Engineer - White Goods, LaundryBristol, Bristol£36,000–£39,000Service Engineer, Mobile Engineer, Field Service, Technician, White Goods, Catering, Coffee, Dishwasher, Domestic Appliances, Glasswasher, Comcat, Commercial, Laundry, Refrigeration, Electrical, 18th, Bristol, Swindon, Bath, Weston, Clevedon, This is a regional role, paid door to door, servicing, repairing and maintaining commercial laundry equipment, there is a weekend call out rota 1 in 4 weekends with additional payments and overtime rates applied.
Field Service Engineer II Bio-Rad Laboratories, Inc.Field Service Engineer IIMassachusetts$80,600–$110,800 / yearAt least 1 - 3 years of transferable field service experience servicing electro-mechanical/electronic/optical/robotics equipment and an A.S. or B.S. in Electronics, Biomedical Engineering, or Mechanical Engineering (or a related field or military equivalent experience). Whether a routine maintenance call or troubleshooting a problem and finding solutions, as our Field Service Engineer, you will play a leading role in supporting the onsite technical needs of Bio-Rad customers.
Field Service Engineer HotRun Inc.Field Service EngineerProvidence, RIRemoteAre you a high performance industrial maintenance technician that is in service now or plant maintenance that wants to move into field service and travel in a state wide regional territory. This position is a remote position working from a home office and travelling to client's plants in the regional territory by a company issued vehicle.
NewField Service Engineer II Repligen CorpField Service Engineer IIMassachusettsRemoteThe FSE maintains accurate documentation of all service activities and escalates issues as needed, including technical information regarding resolutions to field problems, delivering post-visit findings and reports to appropriate internal teams. The Field Service Engineer (FSE) is responsible for installing, qualifying, maintaining, and servicing Repligen products: XCell ATF, TFF, TFDF, Chromatography, filling systems, and PATSmart Analytical products.
Field Application Engineer - Data Center Solutions nVent Electric PlcField Application Engineer - Data Center SolutionsMARemote$101,400–$188,300 / yearWe provide a broad benefits package with meaningful programs for eligible full-time employees that includes: Medical, dental, and vision plans along with flexible spending accounts, short-term and long-term disability benefits, critical illness, accident insurance and life insurance. Provide first-line product support by providing help to customers and colleagues using nVent Data Solutions and Electrical Connections - new products and services.
Field Applications Engineer RF and Microwave Arrow Electronics IncField Applications Engineer RF and MicrowaveMARemote$84,300–$159,999.96 / yearServe as the primary subject matter expert for RF and Microwave demand creation activities, providing comprehensive pre-sales and post-sales technical support to help customers select the appropriate RF/Microwave components for their systems. Remote work employees may be required to be present at the closest designated Arrow office for work-related purposes, at the Company's request and sole discretion.
Field Service Engineer III (IOMS) - East Coast Region, US Thermo Fisher Scientific IncField Service Engineer III (IOMS) - East Coast Region, USRI$40.06–$58 / hourBachelor's Degree in Electronics, Physics, Engineering, Computer Science, Chemistry or related technical field with 5+ years of experience installing, troubleshooting, repairing and calibrating analytical instruments or Advanced Degree with 3+ years of experience. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.
Field Application Engineer Nidec Motor CorporationField Application EngineerBraintree, MA$100,000–$120,000 / yearOur product line features a full line of high efficiency motors for industrial applications in water treatment, mining, oil and gas, and power generation, and for commercial applications such as pool and spa, condensers, cooling towers and large refrigeration units. In this customer‑facing role, you'll provide hands‑on technical support, guide product installations and configurations, and partner with sales and engineering to influence new features and solutions.
26532 - Field Applications Scientist - Bioprocess Engineer - RTP, PA, or MA Life Search Technologies26532 - Field Applications Scientist - Bioprocess Engineer - RTP, PA, or MABoston down to RTP, MA$140,000–$180,000 / yearOur client is seeking a Field Application Scientist, Single Use with strong GMP biopharmaceutical, single use, downstream, fluid management, MSAT, and/or tech transfer experience to be based in NC, NJ, PA, NY, or MA near a major airport. This person will educate customers on products, perform product investigations, new business product demonstrations, and be responsible for technical support of the sales process.
Field Service Engineer BrukerField Service EngineerBoston Area, MassachusettsFull timeCapable of working independently and in a team environment, communicating relevant scientific data effectively in oral and written format, working in a timely manner to meet defined deadlines, and representing Bruker Spatial Biology effectively in the field. Responsibilities: The Field Service Engineer (FSE) provides technical service and support on equipment within the company, ISO, FDA, and budgetary guidelines with the objectives of minimizing customer downtime and generating revenue opportunities for Bruker Spatial Biology.
Field Service Engineer Connexion Systems + EngineeringField Service EngineerCanton, MA$70,000–$90,000 / yearAssociates or Bachelors degree in Analytical Chemistry, Engineering, Instrumentation, Biomedical Engineering, or related field (or equivalent experience). Diagnose and troubleshoot hardware, software, and application-related issues on systems from SCIEX, Agilent, Thermo Fisher, Waters, Shimadzu, Bruker, and PerkinElmer.
Field Technician Level 1 Adex CorporationField Technician Level 1Providence, RI$22 / hourPosition involves performing basic, often supervised, installation and maintenance tasks in telecommunications central offices, focusing on the physical aspects like running cables, racking equipment, and initial site preparation. This level requires familiarity with basic tools and equipment, the ability to work under direction, perform continuity testing, maintain clean work areas, and adhere to safety procedures.
Field Service Technician II - Boston, MA. NCR AtleosField Service Technician II - Boston, MA.MassachusettsNCR Atleos is dedicated to building a diverse community, one where employees feel a sense of belonging and teamwork, are valued for their contributions and the perspectives they bring. Our dedicated 20,000 employees optimize the branch, improve operational efficiency and maximize self-service availability for financial institutions and retailers across the globe.
Field Service technician I- Fall River MA NCR Voyix CorpField Service technician I- Fall River MAFall River, MA$17–$20.83 / hourNCR Voyix is dedicated to building a diverse community, one where employees feel a sense of belonging, are valued for their contributions, and the perspectives they bring. About NCR Voyix NCR Voyix Corporation (NYSE: VYX) is a leading global provider of digital commerce solutions for the retail and restaurant industries.
Field Service Technician- Bellingham city, MA NCR Voyix CorpField Service Technician- Bellingham city, MAMA$17–$20.83 / hourCombining a flexible, intelligent platform with end-to-end payments capabilities and services developed through its deep industry experience, NCR Voyix empowers retailers and restaurants to accelerate new possibilities for their operations, experiences and business outcomes. NCR Voyix is committed to being a globally inclusive company where all people are treated fairly, recognized for their individuality, promoted based on performance and encouraged to strive to reach their full potential.
Field service technician I- Worcester MA NCR Voyix CorpField service technician I- Worcester MAWorcester, MA$17–$20.83 / hourCombining a flexible, intelligent platform with end-to-end payments capabilities and services developed through its deep industry experience, NCR Voyix empowers retailers and restaurants to accelerate new possibilities for their operations, experiences and business outcomes. NCR Voyix is committed to being a globally inclusive company where all people are treated fairly, recognized for their individuality, promoted based on performance and encouraged to strive to reach their full potential.
Field Service Technician-Needham MA NCR Voyix CorpField Service Technician-Needham MAWorcester, MA$17–$20.83 / hourCombining a flexible, intelligent platform with end-to-end payments capabilities and services developed through its deep industry experience, NCR Voyix empowers retailers and restaurants to accelerate new possibilities for their operations, experiences and business outcomes. NCR Voyix is committed to being a globally inclusive company where all people are treated fairly, recognized for their individuality, promoted based on performance and encouraged to strive to reach their full potential.
Field Service Technician NCR VoyixField Service TechnicianWorcester, Massachusetts$19–$22NCR Voyix is dedicated to building a diverse community, one where employees feel a sense of belonging, are valued for their contributions, and the perspectives they bring. Willing to be trained on and operate small-scale scissor lifts in retail environments to service or replace networking equipment such as access points or switches.