Controls Engineer (Early - Mid Career) KION Group AGControls Engineer (Early - Mid Career)Grand Rapids, MI$82,500–$133,100 / yearQualified candidates are proficient in project planning, creating schematic and electrical layout drawings, working with PLCs and HMIs, and implementation and commissioning of engineering design projects. Independently run semi-complex projects through the project life cycle, including all design, documentation, and forecasting.
Senior Mechanical Engineer Dematic CorpSenior Mechanical EngineerGrand Rapids, MI$100,500–$147,400 / yearThe Amazon Principal Engineering Team (APET) is charged with ensuring development of tools and processes to drive excellence in execution for the Amazon Project Teams both in quality and efficiency. Regularly facilitate kaizen events and act as an advisor that troubleshoots and resolves extremely complex problems within multi-departments across regions and/or cross-functional areas.
Sr Software Engineer with AI focus Dynatrace IncSr Software Engineer with AI focusGrand Rapids, MIOur employees work with the largest cloud providers, including AWS, Microsoft, and Google Cloud, and other leading partners worldwide to create strategic alliances. Drive Innovation: Stay ahead of industry trends to continuously optimize our system architecture, developer workflows, and overall product reliability.
Production Engineer Perrigo Co PlcProduction EngineerGrand Rapids, MIIn addition, this position is responsible for developing and maintaining plant layouts: assisting in new product launches, suggesting process flow improvements, providing engineering support both mechanical and electrical to maintenance and equipment on the floor, performing time studies as they relate to the development and implementation of new or existing processes. Ability to troubleshoot / service/ program electrical and machine controls such as: Allen Bradley, RS logic, Siemens, Mitsubishi, Barber Colman, Relay and PLC ladder logic, Motor starters including variable frequency drives, I/O - Switch functions, AC/DC electronic concepts.
Automation Engineer (DCS) DanaherAutomation Engineer (DCS)Muskegon, MichiganThe amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law. Monitoring system performance and functionality, and provide technical support, operator and engineer training and instruction for the various DCS and PLC (Programmable Logic Control) systems at the site.
Sr Product Dev Engineer HutchinsonSr Product Dev EngineerGrand Rapids, MichiganParticipates in the Advanced Product Quality Planning (APQP) team including the review of issues related to: timing, customer requirements, components, suppliers, molds, production processes, product costs, etc. Continuously evaluates designs, manufacturing processes and applies value analysis to increase robustness, reduce material and labor costs while also improving product quality.
NewField Service Engineer (Territory: Traverse City, Michigan to the Upper Peninsula) Danaher CorpField Service Engineer (Territory: Traverse City, Michigan to the Upper Peninsula)Grand Rapids, MIRemote$34–$37 / hourIn this role, you will have the opportunity to: Under minimal direction, complete troubleshooting, installation, validation, preventative maintenance, modifications, and service repair needs on Beckman Coulter equipment including providing excellent and efficient service to Beckman Coulter's customers, along with technical training on products. As a global leader in clinical diagnostics, Beckman Coulter Diagnostics has challenged convention to elevate the diagnostic laboratory's role in improving patient health for more than 90 years.
Process Safety Engineer DanaherProcess Safety EngineerMuskegon, MichiganEnsure site’s continued execution of its Environmental Management System for purposes of obtaining its ISO 14001 certification in the future; Coach and support the multiple framework element owners/co-owners to guarantee proper deployment of the Danaher & Cytiva EHS framework programs at the site; Embrace and apply the Danaher Business System (DBS) Continuous Improvement tools & processes for EHS improvement & risk mitigation opportunities; partner with the broader Cytiva Global EHS team for best practice & lessons learned sharing and collaboration across sites. Ability to lift, move or carry equipment up to 30lb, walk moderate distances/traverse un-even ground, withstand extended periods of standing/sitting, ability to maneuver several flights of stairs and occasionally ascend/descend ladders, stoop/kneel to investigate indoor/outdoor EHS concerns.
Electrical Hardware Design Engineer BelcanElectrical Hardware Design EngineerGrand Rapids, MI$115,000–$135,000 / yearIn this role, you will be responsible for interpreting requirements, improving designs based on any system or sub-system level implications and creating new or taking existing designs and developing the PCB/CCA board design artifacts. Experience with PCB/CCA schematic capture and board layout as well as CAD mechanical design tools to assess CCA mechanical foot prints and keep outs is strongly preferred.
NewField Service Engineer (Territory: Traverse City, Michigan To The Upper Peninsula) DanaherField Service Engineer (Territory: Traverse City, Michigan To The Upper Peninsula)Muskegon, MIRemote$34–$37 / hourIn this role, you will have the opportunity to: Under minimal direction, complete troubleshooting, installation, validation, preventative maintenance, modifications, and service repair needs on Beckman Coulter equipment including providing excellent and efficient service to Beckman Coulter's customers, along with technical training on products. As a global leader in clinical diagnostics, Beckman Coulter Diagnostics has challenged convention to elevate the diagnostic laboratory's role in improving patient health for more than 90 years.
Cloud Security Engineer Manager Deloitte Touche Tohmatsu LtdCloud Security Engineer ManagerGrand Rapids, MI$118,700–$243,700 / yearWe are seeking a talented, passionate cyber security specialist who will serve as a technical interface and subject matter expert in designing, implementing, and supporting an enterprise-class application-centric micro-segmentation service for Deloitte US Member Firm. Minimum 6 years of related Cyber Security experience with a focus on network security engineering, including firewall policy design, rule management, and hands-on experience securing east-west traffic in enterprise environments.
NewDistinguished Staff Engineer GE AerospaceDistinguished Staff EngineerGrand Rapids, MichiganRemoteThis role collaborates across a highly diverse technical team and partners closely with business-facing teams and product managers to translate advanced technologies into product strategies, development roadmaps, and scalable solutions aligned with market opportunities, customer needs, and product launch objectives. The Advanced Technology Organization (ATO) drives product development through early-stage innovation, new technology introduction (NTI), and New Product Introduction (NPI) across sensing, autonomy, artificial intelligence (AI)/machine learning (ML), cybersecurity, and advanced edge hardware.
Manufacturing Engineer Fogg Filler CompanyManufacturing EngineerHolland, MichiganWorking with engineering and manufacturing to determine the best manufacturing process for existing and new products and working with quality personnel to ensure that all quality aspects of product design and manufacturing are met by applying engineering principals. Utilizes sound engineering principles to verify manufacturability of new products or modify existing ones from information provided by customer request/feedback, sales/sales engineers, manufacturing personnel or Fogg service team.
NewProduct Engineer - Space Division Steelcase IncProduct Engineer - Space DivisionMI$80,000–$95,000 / yearSteelcase considers factors such as (but not limited to) scope and responsibilities of the position, candidate''s work experience, education/training, key skills, internal peer equity, as well as market and business considerations when extending an offer. You'll Support Meaningful Work By: Collaborating with cross-functional teams to develop complex system products involving multiple materials and processes.
Factory Planning and Optimization Engineer - Schuler Consulting StilesFactory Planning and Optimization Engineer - Schuler ConsultingGrand Rapids, MichiganThey develop tailored production and IT concepts, lead projects, and facilitate workshops to drive operational improvements. Strong technical knowledge and a background in furniture production, project management skills, and international travel readiness are essential.
Sr. Product Development Engineer DaifukuSr. Product Development EngineerGrand Rapids, MichiganThese include leading-edge conveyor and sortation systems, voice- and light-directed order fulfillment equipment, a suite of warehouse controls & execution software, robotics, Automated Storage and Retrieval Systems (AS/RS), mezzanines, and structures, all backed by critical round-the-clock service and support. Performs engineering calculations to ensure robust designs, including horsepower, stress, torque, deflection, torsion, overhung load, sortation rate, cycle rate, air consumption, and amperage draw.
Client Support Engineer (Spanish Speaking) THRIVE NETWORKS INCClient Support Engineer (Spanish Speaking)Grand Rapids, MIYour primary responsibility will be to set up iPads and other mobile devices for new users, provide first-touch technology orientation, manage local inventory, and offer real-time support for onsite hardware, software, and user-related issues. Primary Responsibilities: Serve as the primary onsite technical support resource for one of our Grand Rapids customer locations, providing day-to-day IT support and customer service while working within the client's environment and culture.
ILUS - Sr. Product Development Engineer DaifukuILUS - Sr. Product Development EngineerGrand Rapids, MichiganThese include leading-edge conveyor and sortation systems, voice- and light-directed order fulfillment equipment, a suite of warehouse controls & execution software, robotics, Automated Storage and Retrieval Systems (AS/RS), mezzanines, and structures, all backed by critical round-the-clock service and support. Performs engineering calculations to ensure robust designs, including horsepower, stress, torque, deflection, torsion, overhung load, sortation rate, cycle rate, air consumption, and amperage draw.
Cloud Platform Engineer MaximusCloud Platform EngineerGrand Rapids, MIRemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Support cloud platforms that enable VoIP, VTC, and real-time communications systems, ensuring reliability, performance, and operational continuity.
Senior BUR and Storage Engineers MaximusSenior BUR and Storage EngineersGrand Rapids, MIFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Own and operate enterprise backup, recovery, and storage services across on-premise, data center, and hybrid environments, supporting restoration during outages, migrations, and infrastructure events.
Process Engineer, Spray Drying TreeHouse FoodsProcess Engineer, Spray DryingWayland, MI$86,100–$129,000 / yearAs a Process Engineer, Spray Drying, you will provide technical process engineering support for spray drying operations, partnering closely with Operations, Engineering, EH&S, Maintenance, and Food Safety & Quality teams to optimize process performance, improve yield and throughput, reduce process variation, troubleshoot technical challenges, and implement sustainable process improvements that enhance safety, quality, reliability, and operational efficiency. An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, shift, travel requirements, sales or revenue-based metrics and business or organizational needs.
Stationary Engineer Journeyperson - Grand Rapids General MotorsStationary Engineer Journeyperson - Grand RapidsWyoming, MI$37.64–$43.91 / hourWorking under minimal supervision, the skilled trades Stationary Engineer Journeyperson is responsible for operating and maintaining gas fired boilers, large centrifugal and reciprocating air compressors, heat exchangers, water softeners, chilled water systems, cooling towers, wastewater systems, high quality water systems, and/or other related equipment found in an industrial powerhouse. Please note - per the labor agreement between GM and the UAW, GM may share information and documentation relating to the credentials of applicants for this position (e.g., resumes, journeyperson cards, interview notes, certificates, etc.) with UAW personnel who have a need to know as part of their role on the UAW skilled trades team.
NewClient Support Engineer (Spanish Speaking) Thrive Networks, Inc.Client Support Engineer (Spanish Speaking)Grand Rapids, MIYour primary responsibility will be to set up iPads and other mobile devices for new users, provide first-touch technology orientation, manage local inventory, and offer real-time support for onsite hardware, software, and user-related issues. Primary Responsibilities: Serve as the primary onsite technical support resource for one of our Grand Rapids customer locations, providing day-to-day IT support and customer service while working within the client's environment and culture.
Magna Engineered Glass: 2nd Shift Maintenance / Controls Tech Magna International, IncMagna Engineered Glass: 2nd Shift Maintenance / Controls TechHolland, MichiganThe Maintenance / Controls Technician at Magna Engineered Glass supports the Maintenance and Manufacturing Engineering team with change overs, troubleshooting, repairing and performing Preventative Maintenance activities (PM's) on robotic, electrical, hydraulic, pneumatic, and automated systems. The Magna Exteriors portfolio of products includes access systems such as liftgates, exterior trim, modular systems, front-end modules including fascia, active aerodynamic systems and other lightweight structural components for automotive, commercial truck and other industrial markets.
Staff Sustainability Engineer MillerKnoll IncStaff Sustainability EngineerHolland, MIThis role provides technical leadership in sustainable design, chemical safety, and product stewardship, serving as a key resource for cross-functional teams including Innovation, New Product Development, and Supply Management. The Staff Sustainability Engineer leads enterprise-wide sustainability programs that drive measurable environmental impact across MillerKnoll's operations, supply chain, and product portfolio.
Sr. Electrical Engineer Textron IncSr. Electrical EngineerMuskegon, MIRecruiting Company: CWC Textron, a division of Textron Primary Location: US-Michigan-Muskegon Job Function: Manufacturing Schedule: Full-time Job Level: Individual Contributor Job Type: Experienced Shift: First Shift Travel: Yes, 10 % of the Time Relocation: Available Job Posting: 06/15/2026, 6:48:57 AM Job Number: 342722. What awaits you: Electrical System Design & Infrastructure Design, specify, and oversee implementation of facility electrical distribution systems (e.g., 13.8kV / 7.2kV medium voltage and 480V low voltage systems).
Tooling Engineer Bradford White CorporationTooling EngineerMiddleville, MichiganThe Tooling Engineer is responsible for leading tooling-related manufacturing support, including supervising the internal tool and die department, coordinating maintenance and repair of dies, molds, fixtures, and tooling, and resolving tooling and production issues with internal teams and external suppliers. This role supports new tooling and equipment builds, evaluates manufacturability, develops cost comparisons and ROI analysis, and helps ensure tooling processes are efficient, reliable, and aligned with production needs.
Engineer EHS Industrial Textron IncEngineer EHS IndustrialMuskegon, MISupport capital and expense projects by providing: § Safety risk reviews § Engineering scope development § Design input and commissioning support * Support the Environmental Engineer by providing engineering and CI assistance on projects where safety, equipment, or process changes intersect with environmental considerations (e.g., dust control, ventilation, material handling). This position partners closely with the Healthy & Safety Manager, Engineering, Maintenance, Operations, and UAW‑represented employees to identify hazards, co‑lead incident investigations, design and implement sustainable engineering and systemic solutions that reduce risk and improve workplace safety.
Marine/RV Field Service Engineer 2 Garmin LtdMarine/RV Field Service Engineer 2Grand Rapids, MIOverview We are seeking a full-time Marine/RV Field Service Engineer 2 In this role, you will be responsible for providing technical support and training on specifications, capabilities, and operation of Garmin marine/RV products to external customers, Garmin associates, boat OEMs (Original Equipment Manufacturers), RV (Recreational Vehicle) OEMs, OEM dealers and installation dealers. This position is eligible for Garmin's benefit program.
NewAdvanced Lead Engineer - Embedded Software Development GE AerospaceAdvanced Lead Engineer - Embedded Software DevelopmentGrand Rapids, Michigan$95,000–$127,000 / yearYou will execute assigned project tasks while leading other team members under defined requirements and processes leading to final product deliveries of software applications and infrastructure (e.g., device drivers, boot loaders, board support packages, operating systems, built-in-test, etc.). In this role, as the Lead Software Engineer, you will be responsible for embedded real-time software development on various products and lead / participate in the following: Develop software architecture and design.
NewStaff Embedded Software Engineer - Avionics - Aerospace - FLRAA GE AerospaceStaff Embedded Software Engineer - Avionics - Aerospace - FLRAAGrand Rapids, Michigan$130,000–$173,000 / yearThis position demands a comprehensive understanding of the hardware's characteristics, the real-time functions it must perform, and the capability to architect, develop, implement, and rigorously test the software logic required for these functionalities. Uses judgment to make decisions or solve moderately complex tasks or problems in areas of operational/product management, manufacturing, technology or engineering.
Controls Engineer - R & D Laboratory Bradford White CorporationControls Engineer - R & D LaboratoryMiddleville, MichiganOur essential products continue to support the health, safety, sanitation, and infrastructure of communities and for 2024 we’ve been recognized as an Energy Star Partner of the Year Sustained Excellence Award Winner for the fourth straight year. Today, we employ more than 1900 employees with headquarters in suburban Philadelphia and manufacturing operations in Middleville and Niles, Michigan, Rochester, New Hampshire, Uxbridge, Massachusetts, and Monticello, Minnesota.
Staff Sustainability Engineer MillerKnoll, Inc.Staff Sustainability EngineerHolland, MIThis role provides technical leadership in sustainable design, chemical safety, and product stewardship, serving as a key resource for cross-functional teams including Innovation, New Product Development, and Supply Management. The Staff Sustainability Engineer leads enterprise-wide sustainability programs that drive measurable environmental impact across MillerKnoll's operations, supply chain, and product portfolio.
Controls Product Engineer KIONControls Product EngineerGrand Rapids, MichiganWe are seeking a highly motivated and experienced Controls Product Engineer in our Research and Development group to join our team and play a pivotal role in the development and success of our product offerings. Display a high level of critical thinking to bring successful resolution to high-impact, complex, and/or cross-functional problems.
Lead Embedded Software Engineer - Secret Clearance GE AerospaceLead Embedded Software Engineer - Secret ClearanceGrand Rapids, Michigan$112,000–$149,000 / yearExperience with RTOS (Linux, FreeRTOS, QNX, VxWorks, etc.) and device drivers for complex systems using parallel processing, multi-threading, distributed processing, multi-core, SoM, and/or secure processing. Experience with embedded software testing, debugging, and integration on hardware using debuggers (gdb, lldb, etc.), test equipment (scopes, analyzers, multi-meters, etc.), and UARTs, JTAGs and oscilloscopes.
System Engineer - Robotic Systems Development KIONSystem Engineer - Robotic Systems DevelopmentHolland, MichiganApplication knowledge of MBSE tools (SysML), Requirements Engineering tools like DOORS, PTC RV&S, or Siemens Teamcenter, Microsoft Office; SW programming experience is a plus, Experience in Material Handling Automation equipment, preferably AGVs, Pallet Conveyor, Industrial Trucks, and/or AS/RS. This role is ideally suited for an engineer who thrives in a system-of-systems environment someone passionate about integrating mobile robotics into intelligent warehouse ecosystems, and who enjoys connecting conceptual thinking with hands-on engineering execution.
Sr. Controls Engineer KIONSr. Controls EngineerGrand Rapids, MichiganBachelor's degree in Electrical Engineering, Mechanical Engineering, Automation Engineering, Mechatronics, Computer Science, or a related engineering field (or equivalent experience). Support pilot implementations through technical mentorship, solution validation, and site execution support to ensure successful customer delivery and commercialization.
ILUS - Sr. Product Development Engineer Daifuku Intralogistics AmericaILUS - Sr. Product Development EngineerGrand Rapids, MichiganThese include leading-edge conveyor and sortation systems, voice- and light-directed order fulfillment equipment, a suite of warehouse controls & execution software, robotics, Automated Storage and Retrieval Systems (AS/RS), mezzanines, and structures, all backed by critical round-the-clock service and support. Performs engineering calculations to ensure robust designs, including horsepower, stress, torque, deflection, torsion, overhung load, sortation rate, cycle rate, air consumption, and amperage draw.
Infrastructure as Code (IaC) Engineer Iconma LLCInfrastructure as Code (IaC) EngineerGrand Rapids, MIResponsibilities: This role focuses on creating and maintaining reusable IaC patterns, build and deployment automation, and governance controls that enable secure, scalable self service infrastructure across a multi account AWS environment. The contractor will work closely with platform, security, and application teams to deliver reliable "paved road" solutions while maintaining strong compliance and operational rigor.
Principal Build & Release Engineer GE Aerospace.Principal Build & Release EngineerGrand Rapids, MI$152,000–$202,000 / yearWorking fluency in the physics and engineering of aero engines and turbomachinery, aerodynamics, combustion, heat transfer, structures and rotordynamics, and materials, with the judgment to tell where a model is physically credible; hands on familiarity with CFD, FEA, and thermal/structural simulation, engine and rig test data, surrogate and physics informed modeling, model based systems engineering, the digital thread, and PLM. Lead others to find creative solutions within complex, interdependent engineering and production processes with technical variety, turbomachinery design, analysis, and test cycles, employing sophisticated operational / product management, manufacturing, and engineering techniques, drawing on multiple internal and external resources and questioning conflicting data to arrive at decisions.
Senior Controls Engineer Specialty Tooling SystemsSenior Controls EngineerGrand Rapids, MIFull timeThis role is responsible for driving technical excellence across projects, from concept through commissioning, while mentoring team members and serving as a key technical resource for both internal teams and customers. Essential functions : Lead controls engineering efforts across the full project lifecycle: concept development, design, build, validation, customer acceptance, and onsite commissioning.
Mobile Engineer Jones Lang LaSalle IncMobile EngineerJenison, MIIndividuals are expected to demonstrate technical expertise in HVAC and refrigeration and be multi skilled in electrical, HVAC, Piping/Plumbing, Material Handling Equipment and others in order to successfully complete daily/weekly work assignments. Maintain, operate, and repair all HVAC/R systems and associated equipment, electrical distribution equipment, plumbing systems, building interior/exterior repair, and related grounds, and production equipment as it pertains to assigned buildings.
NewSenior Software Engineer, Core Experiences - Grand Rapids, MI, USA SpeechifySenior Software Engineer, Core Experiences - Grand Rapids, MI, USAGrand Rapids, MICollaborate with Speechify's Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.
Magna Engineered Glass: Stamping Tooling Lead Magna International, IncMagna Engineered Glass: Stamping Tooling LeadHolland, MichiganThe Magna Exteriors portfolio of products includes access systems such as liftgates, exterior trim, modular systems, front-end modules including fascia, active aerodynamic systems and other lightweight structural components for automotive, commercial truck and other industrial markets. Recognized globally as an innovator in all aspects of vehicle exteriors, Magna provides everything needed, from materials development and design through manufacturing and assembly, to help automakers create sleek, state-of-the-art vehicles across the world.
WNL.003 - Sales Engineer FOOD WAMGroup SpaWNL.003 - Sales Engineer FOODHolland, MIWAMGROUP is the global market leader in Screw Conveyors and amongst the most prominent players in the field of Bulk Solids Handling & Processing Equipment. Samen met de collegas van de binnendienst adviseer je de relaties en word je verantwoordelijk voor het gehele commerciële traject.
Senior Solution Design Controls Engineer KIONSenior Solution Design Controls EngineerGrand Rapids, MichiganDematic is hiring a Solution Design Controls Engineer that understands ASRS (Automated Storage and Retrieval Systems) with a focus on Storage and Retrieval Machines and their on-board and off-board control systems to join our Customer Service Solution Development team in estimating solutions for our customers. Material Handling Equipment experience with a focus on Storage and Retrieval Machines including their on-board and off-board control systems as well as split case palletizing, and pallet conveyor along with the ability to concept solutions and generate estimates to support Sales requests.
Controls Engineer (Early - Mid Career) KIONControls Engineer (Early - Mid Career)Grand Rapids, MichiganQualified candidates are proficient in project planning, creating schematic and electrical layout drawings, working with PLCs and HMIs, and implementation and commissioning of engineering design projects. Independently run semi-complex projects through the project life cycle, including all design, documentation, and forecasting.
Expert Mechanical Engineer KIONExpert Mechanical EngineerGrand Rapids, MichiganThe ideal candidate will be passionate about engineering projects through to completion, building relationships with customers, and undertaking opportunity in a growing industry and team! The Mechanical Engineering team performs engineering assignments with clear and specified objectives while on multi-discipline project teams.
NewSolution Design Project Engineer KIONSolution Design Project EngineerGrand Rapids, Michigan$90,750–$125,000 / yearProvide accountability for all technical, cost, and contractual aspects of assigned projects; serve as a key liaison for internal teams and vendors. You will lead multi-disciplinary teams, collaborate closely with customers and bring industry leading solutions to the market!
Production Engineer Perrigo Company CorporateProduction EngineerGrand Rapids, MIIn addition, this position is responsible for developing and maintaining plant layouts: assisting in new product launches, suggesting process flow improvements, providing engineering support both mechanical and electrical to maintenance and equipment on the floor, performing time studies as they relate to the development and implementation of new or existing processes. Ability to troubleshoot / service/ program electrical and machine controls such as: Allen Bradley, RS logic, Siemens, Mitsubishi, Barber Colman, Relay and PLC ladder logic, Motor starters including variable frequency drives, I/O - Switch functions, AC/DC electronic concepts.