NewMechanical Design Engineer PE JobotMechanical Design Engineer PEBerlin, CT$120,000–$130,000 / yearWe are seeking a Mechanical Design Engineer with experience design process of mechanical building systems and preparing detailed mechanical engineering design calculations and drawings of mechanical systems, from schematics through construction administration, on a wide range of building types. Information 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.
NewElectrical Design Engineer EIT/PE JobotElectrical Design Engineer EIT/PEEast Berlin, CT$90,000–$130,000 / 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. Ideal candidates will have experience with engineering consulting firms, electrical power, lighting, fire alarm, and building systems for institutional and commercial buildings, as well as proficiency in Revit and AutoCAD.
Electrical Design Engineer RJS AssociatesElectrical Design EngineerMiddlesex County, CTFull timeJob Description: The Electrical Engineer is responsible for developing, integrating and supporting hardware and embedded firmware for new product development and sustaining engineering projects. Embedded firmware development, primarily in embedded C/C++ programming languages, using IAR Embedded Workbench.
NewSenior Design Engineer - Electrical - North Haven, CT Michael Page USASenior Design Engineer - Electrical - North Haven, CTNorth Haven, CT$140,000–$160,000 / yearFull timeThe Senior Design Engineer will lead the development of complex electronic and optoelectronic products, working across multiple engineering domains including embedded systems, microelectronics, and thermal/mechanical integration. The ideal candidate is an experienced and technically strong electronics design professional with a proven track record of delivering complex products into production environments.
NewMechanical Engineer, EPC Projects Vaco LLCMechanical Engineer, EPC ProjectsGlastonbury, CT$115,000–$150,000Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
Planning, Design, and Construction Senior Project Manager University of ConnecticutPlanning, Design, and Construction Senior Project ManagerMansfield, CTFull timeDevelops or monitors budgets and schedules based on project requirements, assisting with developing or monitoring capital budget requests for projects related to major renovations and new buildings, deferred maintenance, interior fit-outs, site work, and utility and/or infrastructure projects. Bachelor’s degree in related field and 12 years of related experience in planning, design, or construction management of capital projects OR Master’s degree in related field and 10 years of related experience in planning, design, or construction management of capital projects.
NewManufacturing Engineer - Tooling and Fixture Design Michael Page USAManufacturing Engineer - Tooling and Fixture DesignWaterbury, CT$70,000–$95,000 / yearFull timeThe position works closely with engineers, machinists, and shop‑floor personnel to develop, test, and refine fixtures that enhance efficiency, accuracy, and repeatability in a fast‑paced manufacturing environment. Collaborate with engineering staff, tool room machinists, and CNC operators to evaluate fixture concepts, gather feedback, and support fabrication/debug efforts.
NewApplications Engineer – Airflow Controls JobotApplications Engineer – Airflow ControlsDanbury, CT$90,000–$125,000 / hourInformation 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. Our projects support some of the most demanding environments in the industry, including laboratories, healthcare facilities, pharmaceutical manufacturing spaces, research institutions, and other mission-critical facilities where environmental control, occupant safety, and system performance are essential.
NewQuality Engineer JobotQuality EngineerStamford, CT$90,000–$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. Provide site-level Quality Control (QC) leadership and support for internal and external conformance audits, including ISO 9001 compliance and audit readiness.
NewSMT Programming Engineer JobotSMT Programming EngineerBeacon Falls, CT$90,000–$125,000 / 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. We are seeking a detail-oriented SMT Programming Engineer with strong expertise in Fuji placement platforms and Nexim software to support production and process optimization within a high-performance PCB/PCBA environment.
Principal Manufacturing Process Engineer RJS AssociatesPrincipal Manufacturing Process EngineerManchester, CTFull timeJob Description: Purpose: The Principal Manufacturing Process Engineer supports the manufacturing of complex aerospace flight safety components with a concentration on gears (spiral bevels, spurs and helical) This position willdevelop and process precision gears and other related aerospace components throughout the manufacturing process using various aerospace customer specifications and controlling body compliance requirements. Engineering and manufacturing processing of housings, precision gears and other flight safety components utilizing internal production resources (turning, milling, gear tooth cutting and grinding, heat treating and finish machining) and external vendor processes of NDT, coating and surface preparation, to customer specifications.
Mechanical Project Engineer Butler America AerospaceMechanical Project EngineerWindsor, CT$44–$51 / hourContractorLead cross-functional efforts across engineering, operations, supply chain, and commercial teams to gather requirements and drive project execution. This role requires strong cross-functional collaboration, technical leadership, and data-driven decision-making in a complex, matrixed environment.
NewSenior Mechanical Engineer | Rotating Equipment Michael Page USASenior Mechanical Engineer | Rotating EquipmentTolland, CT$110,000–$130,000 / yearFull timeThe Senior Mechanical Engineer will play a key role within the R&D function, responsible for designing, developing, testing, and improving mechanical systems, components, and products from concept through production. Our Client is a global powerhouse in integrated technology solutions, revolutionizing how companies design, develop, and manufacture products made from textiles by automating, accelerating, and seamlessly streamlining every step of the process.
Process Engineer Murphy Search GroupProcess EngineerThomaston, CT$80,000–$110,000 / yearFull timeAs a solutions provider with expertise in PCB layout and design, PCB assembly, and upper-level chassis, control panels, and cable & harness assembly, we manufacture products using LEAN manufacturing and Six Sigma principles. • Provide hands-on technical leadership in all aspects related to production, including training of employees in the appropriate use of tooling, equipment, interpretation of assembly documentation, and lean tools, techniques, and practices.
NewSubstation Senior Civil/Structural Engineer LeidosSubstation Senior Civil/Structural EngineerHartford, CTRemote$92,300–$166,850If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Electrical Engineer Butler America AerospaceElectrical EngineerWindsor, CT$60–$66 / hourContractorTest - Design and maintain test process including hardware, software and documentation for evaluating the performance of electrical hardware; perform calculations, estimations and laboratory tests required to verify the soundness and suitability of a design; assist in creation of drawings for manufacturing of new parts and products. The successful candidate will also possess: · Strong Electrical Engineering knowledge and aptitude, including, analog / digital design, power electronics, serial communication interfaces RS422/RS485/CAN, signal integrity , sensor and instrumentation signal conditioning, battery backup and UPS systems .
Software Engineer Butler America AerospaceSoftware EngineerStratford, CT$60–$72 / hourFull timeResponsibilities will include, but is not limited to, software development in support of digital tools required for production and field aircraft issues, design and documentation of SQL database architecture, and managing wireless/wired synchronization of aircraft data. Extensive software development experience on medium-sized projects involving multiple users and synchronization issues and MS SQL Database architecture design and development.
Field Engineer 1BritcomField EngineerMiddletown, CT$65,000–$80,000 / yearKeller is an excellent fit for a candidate who decided to become a civil engineer to work in Construction that includes a balance of design and construction management with a combination of field and office work. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
CNC Manufacturing Engineer - Aerospace - Windsor, CT Michael Page USACNC Manufacturing Engineer - Aerospace - Windsor, CTWindsor, CT$120,000–$150,000 / yearFull timeYou will report directly into the Director of Engineering and have the opportunity to: Develop and optimize CNC machining processes, including tooling, fixtures, and programming for multi-axis machines. My client is a aerospace & defense manufacturing company located in Windsor, CT that prides itself on its innovative and continuous improvement approach to manufacturing.
NewManufacturing Engineer | Shop Floor + CNC Focused Michael Page USAManufacturing Engineer | Shop Floor + CNC FocusedWaterbury, CT$80,000–$105,000 / yearFull timeThis role requires a strong blend of technical expertise, hands-on machining experience, and process improvement capabilities to support the efficient manufacture of precision components. The company utilizes advanced CNC machining technologies, automation systems, and lean manufacturing principles to deliver reliable, cost-effective solutions to its customers.
Quality Engineer (PC-DMIS & U.S. Citizenship Required) Michael Page USAQuality Engineer (PC-DMIS & U.S. Citizenship Required)Hartford, CT$100,000–$125,000 / yearFull timeThe Quality Engineer will support new product introductions by developing inspection methods, programming CMMs, and ensuring product compliance to specifications. This role is highly hands-on, collaborating with cross-functional teams to drive quality from prototype through production.
NewQuality Engineer HORST ENGINEERING & MANUFACTURING COQuality EngineerEast Hartford, CTWorks directly with suppliers to resolve and prevent nonconforming product issues Requirements: Four-year degree (or 5 years of inspection experience) plus 2 to 3 years as a Quality Engineer or equivalent. Job Summary: Responsible for Quality both In-process and Final to the assigned program or area to ensure that the product is built in accordance with customer and division quality requirements.
Mechanical Design Engineer (Cromwell, CT) Hubbell IncMechanical Design Engineer (Cromwell, CT)Cromwell, CTHubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. On any given day, you'll make a difference by: • Working with other engineers or independently, developing and designing new products from concept to full production using 3D CAD software (Autodesk Inventor).
Mechanical Design Engineer Airgas IncMechanical Design EngineerCheshire, CT$80,000–$100,000 / yearThis is evident not only through our competitive compensation but also through a comprehensive benefits package that includes medical, dental, and vision plans, short-term and long-term disability, life and accidental death and dismemberment (AD&D) insurance, Employee Assistance Program (EAP), pre-tax commuter transportation benefit, parental leave, vacation, sick time, floating holidays, jury duty and funeral/bereavement leave, and paid holidays for all eligible full-time employees. Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals.
Mechanical Design Engineer Ensign-Bickford IndustriesMechanical Design EngineerSimsbury, ConnecticutThis opportunity is located within our Ensign-Bickford Aerospace & Defense Company business, a global leader of mission-critical hardware and systems solutions including precision energetics systems and innovative explosive solutions. The Mechanical Design Engineer interacts with program teams and customers to ensure designs meet requirements and is responsible for the design from conception through qualification and production.
Mechanical Design Engineer ColanarMechanical Design EngineerDeep River, CTPhysical demands: While performing the duties of this job, the employee is frequently required to stand; walk; sit; use hands to finger, handle or feel objects; reach with hands and arms; lift and carry items up to 50 pounds; climb stairs; balance; stoop and/or kneel. Colanar , an Addtronics company, specializes in advanced liquid filling systems and automated handling systems for the Life Sciences industries, including Pharma and Biotech applications, Contract Manufacturing, and Compound Pharmacies.
Mechanical Design Engineer Ensign-Bickford Aerospace & DefenseMechanical Design EngineerSimsbury, ConnecticutThe Mechanical Design Engineer interacts with program teams and customers to ensure designs meet requirements and is responsible for the design from conception through qualification and production. At EBAD you will actively contribute to successful missions putting men, women and satellites into space, and protecting our armed service men and women around the world.
Mechanical Design Engineer Technology · Wallingford, CT, USA Nel ASAMechanical Design Engineer Technology · Wallingford, CT, USAWallingford, CTAs a Mechanical Design Engineer, you will be a key contributor to component and system design, with responsibility for analyzing mechanical stress and deformation, fluid flow, load distribution, tolerancing, and design for manufacturability. Develop and design components and assemblies for electrochemical cell stacks to meet functional requirements while minimizing cost; order and inspect components for compliance with specifications.
Sr. Product Development / Mechanical Design Engineer - High Speed Connectors Amphenol Communications SolutionsSr. Product Development / Mechanical Design Engineer - High Speed ConnectorsDanbury, CTAmphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.). Amphenol is seeking a highly skilled and motivated Senior Product Development Engineer to lead the design and development of high-speed IO connectors.
Mechanical Design Engineer II - Rotating Machinery (Onsite) RTX CorpMechanical Design Engineer II - Rotating Machinery (Onsite)Windsor Locks, CTBe it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. As part of a collaborative engineering team, you will apply sound engineering judgment, work closely with cross-functional partners, and help translate analytical results into robust, manufacturable designs that perform reliably in service.
Sr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Tolland, CT (Open) Eversource EnergySr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Tolland, CT (Open)Tolland, ConnecticutPosition works collaboratively with all other departments to address system performance including but not limited to switching support, contingency planning, customer concerns, power quality issues and any other distribution needs. Responsible for engineering support to Field Engineering Design for any customer additions that require a substantial change to the distribution system.
Sr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Cheshire, CT Eversource EnergySr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Cheshire, CTCheshire, ConnecticutPosition works collaboratively with all other departments to address system performance including but not limited to switching support, contingency planning, customer concerns, power quality issues and any other distribution needs. Responsible for engineering support to Field Engineering Design for any customer additions that require a substantial change to the distribution system.
Sr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Stamford, CT Eversource EnergySr. Distribution Design Engineer/Distribution Design Engineer (Hybrid Schedule) - Stamford, CTStamford, ConnecticutPosition works collaboratively with all other departments to address system performance including but not limited to switching support, contingency planning, customer concerns, power quality issues and any other distribution needs. Responsible for engineering support to Field Engineering Design for any customer additions that require a substantial change to the distribution system.
Mechanical Design Engineer HCL InternationalMechanical Design EngineerBrookfield, ConnecticutWorking across the full product life cycle—from concept development to manufacturing support—the successful candidate will contribute to the design of bespoke, high -precision mechanical systems tailored to customer requirements. The role requires attention to detail, the ability to manage complex tolerances, and a collaborative approach to working with cross -functional teams.
NewSenior Mechanical Engineer (PE) - HVAC/Plumbing Design Lead GPACSenior Mechanical Engineer (PE) - HVAC/Plumbing Design LeadWest Hartford, CTThe role includes designing plumbing systems, managing projects, and utilizing tools such as AutoCAD and Revit. Ideal candidates will have 10 years of experience, excellent communication skills, and team leadership abilities.
Assembly Design Engineer Times Microwave Systems Inc.Assembly Design EngineerWallingford, CTMake mechanical and electrical design calculations for tensile, torque, crush, vapor sealing, loss, phase, VSWR and other critical design attributes using established engineering practices. Work closely with sales and applications engineering on new products and new markets by assisting with ideas and converting ideas into workable designs.
Principal Design Engineer - Mechanical Systems (Onsite) RTXPrincipal Design Engineer - Mechanical Systems (Onsite)East Hartford, ConnecticutAs the focal point for major technical issues within the CIPT, you will collaborate closely with the Integrated Program Management Team (IPMT), System Integrated Product Team (SIPT), Chief Engineers, and customers to communicate progress, mitigate risks, and deliver innovative, high-quality engineering solutions. Department/Segment Overview : Mechanical Systems, Externals, & Nacelles (MSEN) : The MSEN organization is responsible for the design, development, and in-service support of power transmission systems, bearing compartment and rotor support design and analysis, oil and thermal management systems, engine externals packaging and architecture, as well as nacelles for commercial and military engine models.
Senior Connector Design Engineer Times Microwave Systems Inc.Senior Connector Design EngineerWallingford, CTUnder minimal supervision, the Senior Connector Design Engineer will lead the design and development of advanced RF and microwave components and assemblies for industry-leading product lines across some of the world's most demanding markets and applications. The engineer will manage complex projects from concept through production, mentor junior engineers, and collaborate cross functionally to support aggressive growth initiatives.
Principal Design Engineer - Mechanical Systems (Onsite) RTX CorpPrincipal Design Engineer - Mechanical Systems (Onsite)East Hartford, CTAs the focal point for major technical issues within the CIPT, you will collaborate closely with the Integrated Program Management Team (IPMT), System Integrated Product Team (SIPT), Chief Engineers, and customers to communicate progress, mitigate risks, and deliver innovative, high-quality engineering solutions. Department/Segment Overview: Mechanical Systems, Externals, & Nacelles (MSEN): The MSEN organization is responsible for the design, development, and in-service support of power transmission systems, bearing compartment and rotor support design and analysis, oil and thermal management systems, engine externals packaging and architecture, as well as nacelles for commercial and military engine models.
Electrical Design Engineer Whelen Engineering Co IncElectrical Design EngineerChester, CTDescription: Duties and ResponsibilitiesGeneral and specialized circuit and system designAnalysis of general and specialized components circuits signals and systemsCircuit simulation using SPICE modelingSchematic capture using Altium DesignerHardware and system development and integrationHardware troubleshooting and analysisEmbedded firmware development primarily in embedded CC programming languages using various IDEs IAR Embedded Workbench Visual Studio Code etc. Must be proficient in knowledge and design of common electronic circuits including but not limited to transistor and FET amplifiers solid-state switches biasing circuits bridges rectifiers filters digital and analog IO circuits current sources and linear and switching regulators.
Engine Design Engineer LiquidPistonEngine Design EngineerSuffield, ConnecticutOur patented High Efficiency Hybrid Cycle (HEHC) and rotary X-engine platform enable compact, ultra-efficient, and power-dense engines for hybrid, aerospace, and power generation applications. You will collaborate with cross-functional teams to design, analyze, and optimize high-performance subsystems with a focus on efficiency, weight, durability, manufacturability, and cost-effectiveness.
Sr. Design Engineer Nesco Resource, LLCSr. Design EngineerWallingford, CT$150,000–$170,000 / yearThe Senior Design Engineer leads complex design initiatives involving electronic, firmware/ software, optical/electrical, and microelectronic component assemblies in the frame of OIS optoelectronic module product development activities. Education and/or Experience Master of Science in Electronics or post graduate degree (Electrical/Electronic Engineering, etc.) 10+ years of experience in electronics product design and development.
Design Engineer Amphenol Communications SolutionsDesign EngineerHamden, CTAmphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.). Must be a hands on, growth-oriented individual who has internal drive to improve current processes and continually support the New Product Development team and manufacturing group worldwide.
Sales/Design Engineer Synerfac Technical StaffingSales/Design EngineerPlainville, CTCoordinate all product testing, both in-house as well as at designated testing facilities (UL, FM, Thielsch, PRI, Intertek, etc.) Comfortable taking ownership and seeing projects to completion. * Relevant Degrees: Bachelor"s in Engineering, Electrical Engineering, Science, Mechanical Engineering, Design, Construction Management, Architecture, Technical Education.
Complex Embedded Logic & Digital Electronics Design Engineer Triumph Group IncComplex Embedded Logic & Digital Electronics Design EngineerWest Hartford, CTTechnical Modelling & Simulation Tools (LTSpice, Intusoft, MathWorks/Simulink, Hyperlinx) • Actel, Xilinx, Altera based PLDs Design & Simulation Tools • Analysis Tools (Mathcad, MS Excel, Minitab, Matlab) • CAD Tools (Mentor Graphics suite: PADS, Hyperlynx, DxDesigner) • Documentation Tools (MS Word/PowerPoint, Visio, Adobe, Nuance) • Requirements & Configuration Management (Synnergy, Omnify, DOORs) • Programming (Labview, Visual Basic, eTPU micro-code) • Non-Technical Schedule Tracking (MS Project) • Internet (SharePoint, Intranet). • Perform requirements development, allocation, and compliance assessment • Generate block diagrams for various PLD/FPGA & Digital design concepts and circuit topologies • Prepare for & Conduct SOI audits, Internal & Customer Design Reviews; • Perform preliminary and detailed analyses/simulations on both Digital and/or Analog Interfaces • Ensure overall compliance to TECS internal processes (e.g.
Design Engineer 3 Actalent IncDesign Engineer 3Bloomfield, CT$65–$70 / hourStrong problem-solving skills, with the ability to analyze technical issues and implement effective solutions quickly • Self-motivated and proactive, capable of managing multiple priorities and tasks with minimal supervision • Experience in mechanical design, including 3D modeling and 2D drawing creation in PTC Creo (or similar CAD tools) • Experience with Sheet Metal design for enclosures or busbar systems using PTC Creo and Windchill PLM systems. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
Senior Engineer, Product Design ICU Medical IncSenior Engineer, Product DesignSouthington, CTThis includes analyzing change requests and implementing a change management plan, investigating and correcting non-conforming events, including Corrective Actions and Preventative Actions, remediating design history files to conform to new regulatory requirements, and developing line additions to expand the scope of a product portfolio. With the acquisition of Hospira Infusion Systems in 2017 and Smiths Medical in 2022, we are now a global market leader with a complete line of clinically-essential IV therapy and high-value critical care products for hospital, alternate site, and home care settings.
Engineer, Propeller Design Neon AerospaceEngineer, Propeller DesignManchester, ConnecticutIf you’re ready to solve complex problems, push technology further, and work alongside some of the brightest minds in aerospace, this is your chance to make a real impact. Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or related engineering field; equivalent professional experience may be considered in lieu of a degree.
R & D Design Engineer Pantheon Electric CareersR & D Design EngineerStamford, ConnecticutThis role collaborates cross-functionally with manufacturing, quality, supply chain, sales and customers to deliver technically sound, cost-effective and manufacturable products that meet performance, regulatory and customer requirements. The R&D Design Engineer will be responsible for the development, design, validation and continuous improvement of products and engineered solutions from concept through production release.
Senior Design Engineer LiquidPistonSenior Design EngineerSuffield, ConnecticutThis is a hands-on, high-impact engineering role ideal for someone with a deep understanding of engine systems, a passion for innovation, and a strong background in mechanical design and simulation. With applications in defense, aerospace, robotics, and portable power, we’re developing the next generation of high-performance, compact engines for critical power systems.