ACS Staffing, IncWarehouse, Production, Manufacturing, Office Work | Almacén, Fabricación, Trabajo de Oficina ACS Staffing, IncWarehouse, Production, Manufacturing, Office Work | Almacén, Fabricación, Trabajo de OficinaBellflower, CA$16.90–$32 / hourFull timeAvailable Work | Trabajo disponibleWE’RE HIRING | ESTAMOS CONTRATANDOCall/Llama (877)613-5627 | (866)417-3991Apply Here | Aplica Aquí9858 Artesia Blvd, Bellflower, CA 90706642 E. Francis St, Ste. 642, Ontario, CA 91761Start the Registration on-line today!https://instabio.cc/30507163wqn9zCustomer Service, Purchasing Clerk, Sup...
ACS Staffing, Inc.Warehouse Processor ACS Staffing, Inc.Warehouse ProcessorBellflower, CAFull timeMaintain a high-efficiency pace to consistently meet or exceed the daily processing goal of 100+ items. • Capacity to lift, push, pull, and carry items weighing up to 50 lbs.
Cavalier Logistics, Inc.Driver (Non CDL) / Warehouse Agent Cavalier Logistics, Inc.Driver (Non CDL) / Warehouse AgentCarson, CAFull timeIn addition, warehouse duties will include receiving incoming material; maintaining accurate accountability of receiving and recording additions and deletions for materials from the record. The ideal candidate will use their knowledge and experience to perform pick up and delivery of cargo to and from shippers, consignees, and airport transfers.
JobotNewAssembler JobotAssemblerAnaheim, CA$19–$23 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewPlanner/Scheduler- In OffIce JobotPlanner/Scheduler- In OffIceNewport Beach, CA$20–$25 / 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. The Planner/Scheduler Provides administrative and operational support for quality‑related processes, including performance tracking, reporting, and coordination of internal and external feedback.
JobotNewManufacturing Applications Engineer – Water & Wastewater Industrial Equipment JobotManufacturing Applications Engineer – Water & Wastewater Industrial EquipmentTustin, CA$95,000–$128,000 / year4+ years of experience in application engineering and proposal development for custom industrial water and wastewater treatment systems, including aeration, clarification, disinfection, media and membrane filtration (NF, RO, UF), water softening, ion exchange, and systems for raw water, boiler water, cooling water, oily water, process water, produced water, ultrapure water, and wastewater treatment. 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.
JobotNewCMM Programmer JobotCMM ProgrammerAnaheim, CA$35–$45 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewScheduler- In OffIce JobotScheduler- In OffIceCosta Mesa, CA$20–$25 / 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. The Planner/Scheduler Provides administrative and operational support for quality‑related processes, including performance tracking, reporting, and coordination of internal and external feedback.
JobotNewProduction Coordinator JobotProduction CoordinatorNewport Beach, CA$20–$22 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewManufacturing Associate JobotManufacturing AssociateLong Beach, CA$23–$23 / 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. Final Inspection: All ingots are alloy type checked, checked for pipe tolerances, stenciled along their length, rubber stamped on the bottom end and packaged for shipping.
JobotNewCoating Production Lead JobotCoating Production LeadCosta Mesa, CA$25–$35 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewCNC Machine Shop Supervisor (2nd Shift) JobotCNC Machine Shop Supervisor (2nd Shift)El Monte, CA$34–$50 / 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 operation is built around precision, efficiency, and cross-functional teamwork between production, engineering, and assembly to ensure high-quality output and on-time delivery.
JobotNewCMM programmer JobotCMM programmerSanta Ana, CA$30–$40 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewPCB Manufacturing Engineer JobotPCB Manufacturing EngineerIrvine, CA$90,000–$110,000 / 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 be a vital part of our organization, utilizing their expertise in PCBA Development within electronics manufacturing to drive operational efficiency and effectiveness.
JobotNewSr. Production Planner JobotSr. Production PlannerVernon, CA$85,000–$100,000 / 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. You will be working in a fast-paced environment where your skills in ERP, order management, demand forecasting, inventory control, supply planning, fulfillment planning, order fulfillment, and work orders will be utilized to their fullest.
JobotNewMachine Shop Supervisor JobotMachine Shop SupervisorAnaheim, CA$48–$55 / 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. The ideal candidate will have a proven ability to perform complex setups, edit programs directly at the machine, and lead a team of machinists in a fast-paced production environment.
JobotNewProduction Control JobotProduction ControlWhittier, CA$60,000–$70,000 / 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 versatile Production Control Manager / Manufacturing Engineer with strong experience in machine shop and aerospace manufacturing environments.
JobotNewManufacturing Engineer JobotManufacturing EngineerBrea, CA$100,000–$110,000 / 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. With advanced capabilities across silicone sealants and insulation components, our client operates from a modern California facility and serves a broad and critical customer base, while fostering innovation, craftsmanship, and continuous growth.
JobotNewProduction Manager JobotProduction ManagerVernon, CA$110,000–$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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewMachine Shop Manager (2nd shift) JobotMachine Shop Manager (2nd shift)El Monte, CA$35–$50 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
JobotNewProduction Planner JobotProduction PlannerSanta Ana, CA$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. We are an aerospace manufacturing company specializing in high-precision components and assemblies for commercial, defense, and space applications.
JobotNewSenior Manufacturing Engineer JobotSenior Manufacturing EngineerSanta Ana, CA$150,000–$180,000 / 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. This company specializes in the design, fabrication, and testing of a wide range of products, including large, complex composite and metal-bonded assemblies, delivering proven quality and innovation across critical sectors.
JobotNewProduction Supervisor JobotProduction SupervisorVernon, CA$80,000–$90,000 / 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. Supervise daily production operations focused on retail raw beef and/or pork cuts, ensuring safety, quality, yield, and throughput targets are consistently met.
JobotNewMaster Scheduler JobotMaster SchedulerSanta Ana, CA$100,000–$140,000 / 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 an aerospace manufacturing company specializing in high-precision components and assemblies for commercial, defense, and space applications.
JobotNewSenior Manufacturing Engineer - Composites JobotSenior Manufacturing Engineer - CompositesSanta Ana, CA$150,000–$180,000 / yearThis company specializes in the design, fabrication, and testing of a wide range of products, including large, complex composite and metal-bonded assemblies, delivering proven quality and innovation across critical sectors. 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.
JobotNewPlanner/Scheduler JobotPlanner/SchedulerGarden Grove, CA$75,000–$100,000 / 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. With a strong focus on engineering support, advanced manufacturing processes, and end-to-end production, they play a key role in helping customers bring complex, high-performance products to market.
JobotNewManufacturing Engineer (Aerospace) JobotManufacturing Engineer (Aerospace)Torrance, CA$100,000–$120,000 / yearJoin a stable and growing aerospace manufacturer as a hands-on Manufacturing Engineer where you’ll drive real impact on precision production, lead continuous improvement initiatives, and work with cutting-edge processes in a high-performance, re. 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.
JobotNewShift Supervisor - 2nd shift JobotShift Supervisor - 2nd shiftIrvine, CA$28–$31 / 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. This role is responsible for driving production performance, ensuring product quality, and leading a team of operators and technicians to meet customer and delivery requirements.
Consolidated Precision ProductsNewEngineering Technician - Aerospace/Manufacturing Consolidated Precision ProductsEngineering Technician - Aerospace/ManufacturingCity of Industry, CA$20–$25Consolidated Precision Products (CPP) is an industry-leading manufacturer of highly engineered components and sub-assemblies, supplying the commercial aerospace, military and industrial markets with small-to-large “function critical” products. Supports continuous improvement initiatives by continuously pursuing internal and external opportunities for process improvements using SPC, DOE's, and conducting other cost savings on new products under development.
Consolidated Precision ProductsNewProduct Engineer - Manufacturing / Aerospace Consolidated Precision ProductsProduct Engineer - Manufacturing / AerospaceCity of Industry, CA$100,000–$150,000Consolidated Precision Products (CPP) is an industry-leading manufacturer of highly engineered components and sub-assemblies, supplying the commercial aerospace, military and industrial markets with small-to-large “function critical” products. In this role, you’ll help bring complex, high-performance aerospace components from concept to production—working alongside talented teams across engineering, tooling, machining, quality, and operations.
FedExNewPackage Handler - Part & Full Time (Warehouse like) FedExPackage Handler - Part & Full Time (Warehouse like)Chino, CA$20–$22.50 / hourActual pay is determined by several job-related factors permitted by law and relevant to the position, including, but not limited to, experience relative to the job, tenure, market level, pay at the location for this job, performance, schedule, and work assignment. E-Verify Program Participant: Federal Express Corporation participates in the Department of Homeland Security U.S. Citizenship and Immigration Services' E-Verify program (For U.S. applicants and employees only).
Kinetic Personnel GroupNewAssembler Kinetic Personnel GroupAssemblerAnaheim, CA$20–$23 / hourTemporaryThe Mechanical Transmitter Assembler is responsible for assembling, testing, and packaging transmitter units that contain multiple electronic modules. Key Responsibilities: Assemble transmitter units according to drawings and work instructions.
Kinetic Personnel GroupWarehouse/Delivery Driver Kinetic Personnel GroupWarehouse/Delivery DriverGarden Grove, CA$23–$27 / hourTemporaryWarehouse/Delivery Driver is responsible for supporting daily warehouse operations and safely delivering finished millwork products, including cabinetry, booth seating and related materials, to customer job sites. Assist installers with basic installation tasks when required (e.g., moving, holding, positioning, or staging materials).
Kinetic Personnel GroupManufacturing Planner Kinetic Personnel GroupManufacturing PlannerEl Segundo, CAQualifications: Strong knowledge of machine shop equipment: mills, lathes, grinders, saws, CMM, deburring equipment, measuring tools, optical comparator, profilometer. Overview: Responsible for analyzing, interpreting, and planning step-by-step manufacturing instructions to support product realization and contract requirements.
Kinetic Personnel GroupProduction Operators Kinetic Personnel GroupProduction OperatorsAnaheim, CATemporaryRun multiple CNC drilling machines to produce precision holes in PCB panelsâsetup, load programs, align panels, inspect work, and keep equipment running smoothly. Prepare and evaluate microsections for in-process and final quality checks, including sample prep, thermal stress testing, cross-section evaluation, reporting, and traceability.
Kinetic Personnel GroupNewAssembler/Packer Kinetic Personnel GroupAssembler/PackerTorrance, CA$18–$19 / hourTemporaryThis position is responsible for properly preparing parts, packaging, and labeling all products to customers as well as any items requiring shipment to a specified destination. Packing: • Pack all orders in appropriately sized bag / box / container base on order size and /or customer instructions.
Kinetic Personnel GroupStockroom Clerk Kinetic Personnel GroupStockroom ClerkCosta Mesa, CATemporaryResponsibilities include receiving and storing materials, verifying part numbers, delivering parts to production and shipping, performing cycle counts, entering basic inventory data, and keeping work areas clean. Additional tasks may include loading and unloading trucks, packing parts, assisting in mail/receiving, and operating an abrasive saw.
Kinetic Personnel GroupMachine Shop Supervisor - 2nd Shift Kinetic Personnel GroupMachine Shop Supervisor - 2nd ShiftEl Monte, CATemporaryWe are looking for an experienced 2nd Shift Machine Shop Supervisor to lead machining and metal fabrication operations for a growing manufacturer in the El Monte area. The ideal candidate will have strong machining knowledge, leadership experience, and the ability to drive efficiency within a fast-paced manufacturing environment.
Medline IndustriesInventory Coordinator Medline IndustriesInventory CoordinatorAnaheim, CA$21.75–$31.50 / hourFull timeIntermediate level skill in Microsoft Excel (for example: using SUM function, setting borders, setting column width, inserting charts, using text wrap, sorting, setting headers and footers and/or print scaling). Intermediate level skill in Microsoft Word (for example: inserting headers, page breaks, page numbers and tables and/or adjusting table columns).
VoltNewMedical Device Assembler - 2nd Shift VoltMedical Device Assembler - 2nd ShiftIrvine, CA$18–$19.75 / hourBy applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from VOLT and its affiliates, and contracted partners. *Pay range offered to a successful candidate will be based on several factors, including the candidate's education, work experience, work location, specific job duties, certifications, etc.
Super Service Auto ShopsNewA-Level Production Tech | $100K–$150K+ | No Wknds - 1927 Super Service Auto ShopsA-Level Production Tech | $100K–$150K+ | No Wknds - 1927Aliso Viejo, CA$100,000–$150,000This is a production-driven shop built for A-level techs who want consistent hours and strong income. Step 2: Complete a quick phone interview with our AI assistant “Paige” (takes about 10 minutes).
Vaco LLCNewPurchasing/Inventory Clerk Vaco LLCPurchasing/Inventory ClerkLos Angeles, CA$25–$27Determining 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. With that said, as required by local law, Vaco by Highspring believes that the following salary range referenced above reasonably estimates the base compensation for an individual hired into this position in geographies that require salary range disclosure.
ASD GLOBALNewProduction Planner ASD GLOBALProduction PlannerEl Segundo, CA$40–$50 / hourTemporaryLooking for a Production Planner 2 to support our Tooling department. This position will serve on-site at El Segundo.
Ancra International LLCNewCMM Programmer Inspector Ancra International LLCCMM Programmer InspectorAzusa, CA$25–$25 / hourThe Quality Assurance Inspector plays a critical role in ensuring product conformity, supporting continuous improvement initiatives, and maintaining the highest levels of product quality and safety within the aerospace industry. The Quality Assurance Inspector/CMM is responsible for ensuring that materials, components, subassemblies, and finished products manufactured by Ancra Aircraft meet all customer, regulatory, engineering, and quality system requirements.
Davis Wire CorporationProduction Supervisor 3rd Shift Davis Wire CorporationProduction Supervisor 3rd ShiftIrwindale, CARecommend procedures, systems, equipment, and machinery alterations to reduce cost, resolve problems, ensure product quality, reduce scrap, and improve production efficiency. Education/Experience: Bachelor’s degree (B.A.) from four-year college or university; or one to two years related experience and/or training; or equivalent combination of education and experience.
Davis Wire CorporationProduction Planner / Scheduler Davis Wire CorporationProduction Planner / SchedulerIrwindale, CAHistorically talented at restoring distressed companies, Heico now strategically targets acquisitions that will complement its ever-growing portfolio of companies in manufacturing, construction, and industrial services. Since its founding over 40 years ago The Heico Companies has grown from a single business to over 78 separate companies through a strategic acquisition policy, and by reinvesting its earnings into internal growth and new prospects.
TransForce Inc.NewWarehouse Worker - $19.50 + OT & Benefits TransForce Inc.Warehouse Worker - $19.50 + OT & BenefitsPomona, CA$19.50–$19.50This role is responsible for loading and unloading trailers and straight trucks, operating warehouse equipment, and ensuring all freight is properly secured. Secure pallets inside trailers and straight trucks to prevent shifting during transit.
Anheuser-BuschNewPart-Time Warehouse Personnel (Seasonal) Anheuser-BuschPart-Time Warehouse Personnel (Seasonal)Carson, CA$21.30–$21.30From our longstanding efforts to support American farmers, military, veterans, and first responders, to emergency drinking water donations and responsible drinking programs, we are guided by our commitment to the communities we call home and the 65,000 hardworking Americans who bring our beer to life. We are home to the nation’s most iconic beer and beyond beer brands, including Michelob ULTRA – America’s #1 top-selling beer – as well as Busch Light, Budweiser, Bud Light, Stella Artois, Cutwater Spirits, and industry-leading craft brands.
System OneAssembler Rework II System OneAssembler Rework IIIrvine, CAIndividual Contributor in charge of performing, within his / her area of technological specification, tasks in the manufacturing process in accordance with the manufacturing documentation and the time allocated, using the resources available (including conventional and/or digital machine tools) and inspects his / her own work .As main missions : • Performs Manufacturing operations in accordance with the associated documentation and the time allocated, using the resources available • Is responsible for complex work and rework at unit and component level • Chooses and implements suitable methods, resources and procedures; • Brings support to the operators; • Initializes and manages continuous improvement actions in and around his/her area; • Performs final inspection duties when requested in accordance with drawings, EOs and any other regulatory requirement pertaining to the product. Essential Functions / Key Areas of Responsibility • Technician performing complex work requiring a high level of technicality in one domain and able to take initiatives in the choice and the implementation of suitable methods, resources and procedures, applying a broad knowledge of the concerned domain • Check and alert on problems relative to existing methods, tools and techniques toward the Manager.
System OneNewRailcar Electromechanical Production Technician System OneRailcar Electromechanical Production TechnicianSanta Fe Springs, CA$22–$32 / hourAssemble and install electrical and mechanical components within railcars including wiring harnesses, control panels, lighting systems, passenger communication systems, HVAC equipment, and braking components . Connect and integrate onboard electrical systems including power distribution, low-voltage control systems, and communication networks .