NewOperations Manager JobotOperations ManagerAnaheim, CA$110,000–$150,000 / 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 supportive team environment, meaningful autonomy, and clear paths for growth, we offer the stability of an established organization combined with the energy and impact of a close-knit engineering culture.
NewBusiness Operations Manager JobotBusiness Operations ManagerLakewood, CA$90,000–$140,000 / yearPreferred candidate will have 5 or more years of progressively responsible experience in executive support, chief of staff support, office operations, program management, consulting, communications, analysis, or a comparable executive office environment. 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.
NewOperations Manager - direct hire opportunity Kinetic Personnel GroupOperations Manager - direct hire opportunityCovina, CAA rapidly growing aerospace manufacturer is urgently seeking a driven, hands-on Operations Manager to take command of the production floor and accelerate operational performance. Manage a team of 50 production employees, including performance management, discipline, PTO/OT approvals, and staffing oversight.
Operations Excellence Manager - Manufacturing JobotOperations Excellence Manager - ManufacturingDowney, CA$125,000–$150,000 / yearFounded nearly four years ago and based in Downey, CA, with operations supporting large-scale fast-paced manufacturing across multiple U.S. markets, we are a production-driven organization focused on operational excellence, continuous improvement, and developing people at every level of the plant. 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.
NewRegional Operations Manager - Climate Control Sunbelt RentalsRegional Operations Manager - Climate ControlCarson, CA$81,951–$112,682.90 / yearA criminal history may have a direct, adverse, and negative relationship with your employment potentially resulting in the withdrawal of a conditional offer of employment for roles that involve direct contact with the public, handling sensitive customer and financial information, or operating vehicles and/or heavy machinery. Responsible for addressing identified areas of operational efficiencies and completing exercises relating to: safety, health, vehicles, underperforming fleet, team member changes, and other similar tasks.
Retail Service and Operations Manager Goodwill Southern CaliforniaRetail Service and Operations ManagerSanta Monica, CAUnder the direction of the Site Manager, this role ensures seamless operations, outstanding customer and donor experiences, and strong team performance — all while advancing our mission of Transforming Lives Through the Power of Work. Goodwill Southern California is seeking a Retail Service & Operations Manager to help lead one of our retail stores, boutiques, or attended donation centers.
Aerospace Operations Manager in Brea, CA Kinetic Personnel GroupAerospace Operations Manager in Brea, CABrea, CAKPG is partnering with an aerospace manufacturing company in the Brea area seeking an experienced Operations Manager to oversee manufacturing operations and drive operational efficiency across production, machining, assembly, engineering support, and continuous improvement initiatives. The Operations Manager will support day-to-day manufacturing performance while helping improve throughput, workflow optimization, production scalability, and cross-functional collaboration.
Real Estate Operations Manager Nuhome Holdings LLCReal Estate Operations ManagerLa Verne, CA$60,000–$80,000 / yearMaintain organized deal files across Google Drive and internal systems, ensuring every document is named correctly, stored in the right place, and accessible on demand. Working knowledge of QuickBooks Online — able to manage multi-entity books, reconcile accounts, and produce basic financial reports without outside support.
Wholesale Mortgage Operations Director JobotWholesale Mortgage Operations DirectorBrea, CA$175,000–$250,000 / yearRequired Qualifications • 7+ years of mortgage industry experience • 5+ years of leadership experience managing operations teams • Wholesale mortgage experience is required • Strong understanding of the full loan lifecycle (processing, underwriting, closing) • Knowledge of mortgage regulations (TRID, RESPA, TILA, HMDA, Fair Lending) • Experience with a Loan Origination System (LOS) such as Encompass or similar • Proven ability to manage pipelines, meet deadlines, and drive team performance • Strong leadership, communication, and organizational skills • Ability to work onsite in Brea, CA. 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.
Director of Operations JobotDirector of OperationsLong Beach, CA$200,000–$250,000 / 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. Oversee frontline leadership managing multi-shift operations, supporting a range of skilled manufacturing personnel across fabrication, assembly, and specialized processes.
Tax Manager JobotTax ManagerHawthorne, CA$55–$70 / 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. You will be responsible for ensuring compliance with federal, state, and local tax laws, preparing and reviewing tax returns, and providing expert tax advice to support our strategic decision-making process.
Fleet Manager JobotFleet ManagerSanta Ana, CA$125,000–$150,000 / 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.
Billing Manager JobotBilling ManagerIrvine, CA$95,000–$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.
Railroad Civil Engineer II, Project Manager (Limited Term) MetroLINKRailroad Civil Engineer II, Project Manager (Limited Term)Pomona, California$92,606–$143,540 / yearFull timeWork may also be performed in outdoor environments, street environments (near moving traffic), construction sites, in the community (homes, business, etc.), Railroad Track and Right-of-Way environments, warehouse environments, and shop environments, with possible exposure to individuals who are hostile or irate, extreme heat (above 100 degrees), moving mechanical parts, fumes or airborne particles, and loud noises (85+ decibels such as heavy trucks, construction, etc.). This position will be involved in managing projects and tasks as part of the Southern California Optimized Rail Expansion Program (SCORE), a multi-year program to increase the capacity of the regional rail system by adding double-tracking, station platforms, grade-crossing improvements, signal respacing, and maintenance facilities.
Accounting Manager JobotAccounting ManagerLos Angeles, CA$105,000–$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. This role sits within the Accounting and Finance team and focuses on delivering accurate financial reporting, overseeing core accounting functions, and advising clients on financial strategy.
NewAccounting & Advisory Manager JobotAccounting & Advisory ManagerLong Beach, CA$110,000–$150,000 / 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. Join our growing advisory team as a Manager, playing a key leadership role in delivering high-quality accounting support and strategic financial insights to clients.
Cost Accounting Manager JobotCost Accounting ManagerVernon, CA$120,000–$140,000 / yearFounded decades ago and based in Los Angeles, CA, with operations supporting multiple manufacturing facilities, we are a leading producer of high-quality prepared food products serving retail, private label, and foodservice customers. 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.
Regional Sales Manager - Western US - Commercial Roofing JobotRegional Sales Manager - Western US - Commercial RoofingLos Angeles, CA$130,000–$160,000 / yearThe Regional Sales Manager will oversee sales performance across multiple locations in the Western U.S. This person will be responsible for leading commercial roofing sales teams, driving revenue growth, strengthening customer relationships, and building a repeatable sales process across the region. The right person will understand how to motivate experienced sales professionals, hold teams accountable to measurable activity, identify market opportunities, and help close significant re-roof, service, and maintenance roofing projects.
Senior Program Manager JobotSenior Program ManagerSanta Ana, CA$170,000–$190,000 / 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.
Quality Manager JobotQuality ManagerCRYSTAL CITY, CA$120,000–$140,000 / yearWe are seeking an experienced Quality Manager to lead and oversee quality assurance, quality control, and continuous improvement initiatives within a precision machining and metal fabrication environment serving the aerospace, industrial, and defense industries. 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.
Quality Manager (Aerospace, Defense & Industrial) JobotQuality Manager (Aerospace, Defense & Industrial)Santa Fe Springs, CA$110,000–$125,000 / yearWith a focus on overcoming the unique challenges of low-volume runs, our reputation is built on our ability to respond quickly and effectively to complex production and cost challenges, ensuring sustainable growth and excellence in industrial manufacturing. 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.
Senior Electrical Project Manager JobotSenior Electrical Project ManagerOntario, CA$120,000–$160,000 / 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 work across diverse markets including commercial, industrial, healthcare, education, data/technology, and public works, delivering projects through design-build, design-assist, and plan-spec approaches.
Finance Manager (CPA Needed) JobotFinance Manager (CPA Needed)Los Angeles, CA$130,000–$155,000 / 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 pursue opportunities across equities, private equity, real estate, and direct business acquisitions, supported by a team of internal professionals and external advisors including investment bankers, accountants, and attorneys.
NewAccounting Manager (Nonprofit) JobotAccounting Manager (Nonprofit)Los Angeles, CA$40–$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. Manage grant accounting activities, including tracking restricted funding, monitoring grant expenditures, and ensuring compliance with grant requirements.
Hybrid International Tax Manager JobotHybrid International Tax ManagerLos Angeles, CA$160,000–$200,000 / 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. Our new team member will be responsible for managing various aspects of international taxation, including but not limited to, tax compliance, tax planning, and tax accounting.
Accounting Manager (Revenue) JobotAccounting Manager (Revenue)Los Angeles, CA$120,000–$150,000 / yearThe ideal candidate will bring strong technical accounting expertise, hands-on experience with ASC 606, and the ability to collaborate effectively across finance and operational teams to ensure accurate financial reporting, regulatory compliance, and scalable processes. 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.
NewProperty Manager ( Residential ) JobotProperty Manager ( Residential )Los Angeles, CA$65,000–$70,000 / yearFor a high-performing manager, the bonus structure adds substantial earning potential: Leasing & Renewal Incentives (Paid Monthly): Earn $175 per new lease and $350 for every 12-month lease renewal completed. The Area Manager is a "boots-on-the-ground," multi-site Property Manager responsible for the daily operational success, leasing, and physical upkeep of a local cluster of 3 to 6 small buildings, totaling approximately 150 to 200 units.
Bilingual Spanish Marketing Manager (Beauty/Lifestyle) JobotBilingual Spanish Marketing Manager (Beauty/Lifestyle)Highland Park, CA$125,000–$135,000 / 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 company is experiencing significant growth, including expansion into major retail channels, and is looking for a strategic yet hands-on marketing leader to help elevate brand storytelling, campaign execution, and operational marketing processes.
Quality Manager (Manufacturing Preferred) JobotQuality Manager (Manufacturing Preferred)Buena Park, CA$150,000–$150,000 / 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. 2. Proven experience with Corrective Action & Preventive Action (CAPA), IATF 16949, ISO-TS, Pareto analysis, Fishbone Diagram, CAPA Systems, Six Sigma, FMEA, root cause analysis.
Plant Manager Assistant JobotPlant Manager AssistantLos Angeles, 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. Provide a safe working environment for employees by maintaining the facility and equipment in an optimal working environment and enforcing adherence to safe work practices.
Senior Manager, Capital Markets JobotSenior Manager, Capital MarketsEl Segundo, CA$160,000–$200,000 / 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 strong background in capital market operations, including equity and debt financing, public filings, and strategic financing planning.
Plant Accounting Manager - Consumer Manufacturing JobotPlant Accounting Manager - Consumer ManufacturingEast Los Angeles, CA$130,000–$145,000 / yearWhat really sets us apart is the way we partner across teams—finance works closely with operations, giving you real visibility into what’s happening on the plant floor and the ability to make a direct impact. 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.
Accounting Manager (Real Estate) JobotAccounting Manager (Real Estate)Hidden Hills, CA$105,000–$130,000 / year
NewSales Manager - Commercial Roofing JobotSales Manager - Commercial RoofingLos Angeles, CA$100,000–$160,000 / yearThis is a high-impact role for someone who thrives in the Southern California commercial market, knows how to build relationships with GCs, PMs, Property Managers, and Owners, and can scale a book of business while coaching a sales team. You will be the face of the company in the LA region—owning territory strategy, expanding key accounts, and developing a high-performing team to increase revenue across reroofing, service/maintenance, coatings, and waterproofing scope.
NewAssistant Project Manager - Industrial JobotAssistant Project Manager - IndustrialLos Angeles, CA$85,000–$115,000 / 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 driven, detail-oriented Assistant Project Manager to support ongoing and upcoming capital and facilities projects across our production operations.
Compliance Manager JobotCompliance ManagerVernon, CA$120,000–$135,000 / 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.
Corporate Environmental, Health, & Safety Manager JobotCorporate Environmental, Health, & Safety ManagerPomona, CA$110,000–$125,000 / yearThis role is responsible for building alignment between leadership, plant management, and union partners to drive a strong, sustainable safety culture while supporting growth in a private equity–backed business. The organization manufactures a full spectrum of ductwork and fittings—rectangular, round/spiral, flat‑oval, welded grease duct, and specialty components supporting exhaust and dust‑collection systems.
NewRegional Sales Manager JobotRegional Sales ManagerLos Angeles, CA$120,000–$140,000 / yearWe are a leading provider of intelligent transportation and mobility solutions, delivering innovative software, systems, and services that help organizations manage complex transportation infrastructure more efficiently, safely, and sustainably. Driven by a commitment to excellence and a passion for advancing transportation technology, we help public and private sector organizations modernize infrastructure, improve mobility outcomes, and build smarter, more connected communities.
Environmental Health and Safety Manager JobotEnvironmental Health and Safety ManagerDowney, CA$120,000–$145,000 / 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. Needed: Bachelor's Degree in Occupational Safety, Environmental Science, Risk Management, Industrial Hygiene, Environmental Engineering, or related field.
NewDirector of Operations UlineDirector of OperationsOntario, CA$300,000–$375,000 / yearBuild, develop and lead a team of 700+ employees, including senior leaders, with a focus on performance, accountability and long-term talent development. Strong background in operational leadership, performance management and data-driven decision making in a fast-paced, high-performance environment.
Retail Broker Manager Swisher International, Inc.Retail Broker ManagerLos Angeles, CAPrimary Purpose: The Retail Broker Manager supports the execution of Swisher’s sales, merchandising, and marketing initiatives through effective management of regional broker partners. This role ensures consistent field execution across assigned territories by aligning broker activities with company objectives, optimizing performance, and driving sales growth within retail outlets.
NewAggregate Plant Manager CalPortlandAggregate Plant ManagerLos Angeles, CA$90,000–$110,000The Aggregate Plant Manager works closely with front line supervisors and administrative personnel in overseeing the aggregate production plant, mining operations, material load-out, and overall site facilities. Works with Aggregates Manager in establishing and monitoring production plan; maintaining accurate cost and inventory control; calculating and analyzing productivity and material date.
NewPayroll Manager Mitchell MartinPayroll ManagerLos Angeles, CA$98,000–$140,000 / yearBy applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. This full-time role in Los Angeles involves managing international payroll operations, adhering to various labor and tax laws, and maintaining consistent payroll practices across regions.
NewAccounts Receivable Manager Vaco LLCAccounts Receivable ManagerLos Angeles, CA$100,000–$120,000Determining 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. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
NewAccounts Payable Manager Vaco LLCAccounts Payable ManagerLos Angeles, CA$100,000–$120,000Determining 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. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
NewAccount Service Manager Vaco LLCAccount Service ManagerLos Angeles, CA$27–$29Determining 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. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
NewPurchasing Manager Vaco LLCPurchasing ManagerLos Angeles, CA$110,000–$130,000Determining 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. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
Supply Chain Manager Kinetic Personnel GroupSupply Chain ManagerSanta Ana, CA$150,000–$175,000 / yearTemporaryThe Senior Manager, Supply Chain Management will oversee the full supply chain function, partnering with executive leadership to build and execute strategies that support operational goals, customer requirements, and long-term business objectives. 5 to 10 years of leadership experience in operations, supply chain, supplier management, subcontracts, or program management.
Maintenance Mechanic (bottling industry) JobotMaintenance Mechanic (bottling industry)Torrance, CA$35–$37 / 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. Inspect, test, diagnose, repair, and maintains production equipment, machinery, or instruments to ensure that it functions reliably and complies with process specifications.