Customer Service jobs in Ontario, CA

Jul 10, 2026

Full time

Management Trainee - Santa Fe Springs, Ontario and Anaheim

$69,000 yearly

CINTAS Ontario, CA

Title: Management Trainee Location: Santa Fe Springs, Anaheim and Ontario Job Description Cintas is offering an exciting Management Trainee program designed to kickstart your professional career. We are seeking a motivated and dynamic Management Trainee to join this well-structured program, where you’ll gain in-depth knowledge of our business through hands-on rotations in various departments. This position is designed for individuals looking to develop their leadership skills and gain hands-on experience in various aspects of our business operations. The Management Trainee will work closely with experienced managers to learn about Outside Sales, Production/Warehouse Management, Office Management, Service Management and ultimately prepare you for career advancement opportunities within the company. Key Responsibilities Include: Rotate through departments...

Jul 10, 2026

Part time

Revenue Recovery Supervisor (Part- Time)- Ontario, Ca

UPS Ontario, CA

Description Before you apply to a job, select your language preference from the options available at the top right of this page. Explore your next opportunity at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become better every day. We know what it takes to lead UPS into tomorrow—people with a unique combination of skill + passion. If you have the qualities and drive to lead yourself or teams, there are roles ready to cultivate your skills and take you to the next level. Job Description: Job Summary This position trains and supervises daily activities of employees. He/She ensures all assigned duties are accomplished safely and in a timely fashion. Responsibilities: Supervises and trains employees. Conducts audits of procedures and methods to generate reports. Work Schedule and Hours: Part...

Jul 10, 2026

Part time

Hub Supervisor (Part Time)- Ontario, Ca

UPS Ontario, CA

Job Description: Job Summary This position supervises Package Handlers and trains, develops, and holds workgroups responsible for safety, production and attendance. He/She sets and maintains high standards for account productivity, accuracy, customer service, organization, communication, cooperation, and safety. This position provides innovative and effective leadership and cultivates a functional working relationship with all levels of personnel throughout the organization. Responsibilities • Responsible to ensure that all employees adhere to safety policies and procedures at all times, operating in full compliance with department, station, corporate and OSHA requirements. • Manages department resources to ensure maximum output, accuracy, and efficiency at all times. • Establishes and promote a positive, team-oriented work environment emphasizing employee involvement, pro-active communication, inter-departmental cooperation, and continual improvement on all...

Jul 10, 2026

Full time

Project Engineering Supervisor- Ontario, Ca

UPS Ontario, CA

Job Description: This position manages construction projects of low to moderate complexity and risk (i.e., conveyor installations and facility modifications). He/She ensures adherence to contract documentation, scheduled timelines, and cost control parameters. This position may develop project documentation (e.g., Request for Appropriation project scope of work, estimates, etc.). Responsibilities: Completes the bid package process (e.g., bid creation, bid evaluation, background check, bid award, etc.) to select the most competitive bid and competent vendor for contracts (e.g., soils, survey, conveyor, conveyor electrical, etc.). Requests and evaluates bids and proposals according to competitive bid, background check, and competence of identified vendors to recommend the awarding of contracts. Develops project schedules to ensure adherence to deadlines. Investigates mechanical breakdown problems (e.g., conveyor system failures, operator...

Jul 10, 2026

Part time

Preload Supervisor (Part Time)- Ontario, Ca

UPS Ontario, CA

Description Before you apply to a job, select your language preference from the options available at the top right of this page. Explore your next opportunity at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become better every day. We know what it takes to lead UPS into tomorrow—people with a unique combination of skill + passion. If you have the qualities and drive to lead yourself or teams, there are roles ready to cultivate your skills and take you to the next level. Job Description: Job Summary This position trains and supervises Package Handlers and Clerks on safety, productivity, and various job-related tasks. This position holds teams accountable for attendance and submits timecards. Responsibilities: Develops and maintains good working relationships with employees, management and customers. Facilitates...

Jul 10, 2026

Part time

Air Ramp Supervisor (Part Time)- Ontario, Ca

UPS Ontario, CA

Description Before you apply to a job, select your language preference from the options available at the top right of this page. Explore your next opportunity at a Fortune Global 500 organization. Envision innovative possibilities, experience our rewarding culture, and work with talented teams that help you become better every day. We know what it takes to lead UPS into tomorrow—people with a unique combination of skill + passion. If you have the qualities and drive to lead yourself or teams, there are roles ready to cultivate your skills and take you to the next level. Job Description: Job Summary This position supervises, trains, develops, and holds ramp employees responsible for safety, production and attendance. He/She sets and maintains high standards for productivity, accuracy, customer service, organization, communication, cooperation, and safety. This position provides innovative and effective leadership and cultivates a functional...

Jun 03, 2026

Full time

Access Control & CCTV Tech, Ontario, Ca

$22.00 - $28.00 hourly

Triton Global Services Ontario, CA

Job Description – Access Control Technician (Brivo Systems) Triton Global Services, a leading full-service security firm, is currently seeking an experienced LowVoltage Access Control Technician to join our growing team. Based out of our Ontario, California office, this position plays a vital role in our Low Voltage Integration Division, supporting Triton’s expanding access control operations across California and the western U.S. The ideal candidate will have a solid background in access control system installation, configuration, and troubleshooting, with specific experience working with Brivo access control systems. This role requires professionalism, technical precision, and a commitment to customer satisfaction. Responsibilities: Install, terminate, and test low-voltage cabling for access control systems Install, configure, and service Brivo and other access control systems, including controllers, readers, locks, and power supplies Program...

Jun 03, 2026

Full time

Video Alarm Specialist, Ontario, Ca

$22.50 - $25.00 hourly

Triton Global Services Ontario, CA

About Triton Global Services Triton Global Services delivers cutting-edge security solutions through the perfect blend of personnel, innovation, and technology. With dedicated divisions in Manned Guarding, Low Voltage Services, and Remote Guarding , we build customized safety strategies for diverse client environments. Headquartered in Ontario, CA, our Remote Guarding Division utilizes AI-enhanced video analytics and real-time alerts to deter threats proactively. We are rapidly expanding and looking for professionals ready to be part of the future of security. About the Role This is not your typical alarm monitoring position. As a Video Alarm Monitoring Specialist , you'll respond to AI-generated alerts , assess live camera feeds, and take decisive action—including activating two-way audio or dispatching emergency services. You’ll be operating like a virtual guard, protecting clients and property...

Jul 09, 2026

Full time

Estimator II Upland, CA

$90,000 - $105,000 yearly

VCI Construction Upland, CA

Discover a more connected career At VCI Construction, as an Estimator II, you will develop and maintain strong relationships with VCI’s current customers as well as develop new business relationships. Complete and assemble bids for both private and public dry utility construction projects with various values. The Business Development Professional should be experienced in estimating and in developing growth in the telecommunications industry. You should be a self-starter who is as capable of designing our sales strategy as you are with implementing and executing it. Connecting you to great benefits Weekly Paychecks Paid Time Off, Parental Leave, and Holidays Insurance (including medical, prescription drug, dental, vision, disability, life insurance) 401(k) w/ Company Match Stock Purchase Plan Education Reimbursement Legal Insurance Discounts on gym memberships, pet insurance, and much...

Jun 15, 2026

Full time

Receiving Team Lead Location Rancho Cucamonga

$20.00 - $22.75 hourly

Bass Pro Rancho Cucamonga, CA

POSITION SUMMARY: Under the supervision of the Group Sales or Department Manager, the Team Leader gives daily direction to the associates in one of the departments within the store, to include: merchandise presentation, inventory control, pricing, sales enhancements, stocking, and customer service activities. ESSENTIAL FUNCTIONS: Supports the GSM / DM in achievement of Departmental Sales, Gross Margin, Inventory Shrinkage and Payroll Goals. Provides daily direction to the associates within the department. Prepares to-do / Task lists. Executes all merchandising directives i.e. “Top 25 list”, “Extreme Savings” items, etc. & maintain all plan-o-grams as set by the Corporate Office. Insures a pleasant and productive shopping experience for all customers. Assists the GSM / DM and Human Resources Manager to staff the department with “service” oriented associates; participates in interviewing and makes...

Jul 06, 2026

Full time

Warehouse Security Officer Chino

$16.50 - $19.00 hourly

Securitas Security Services USA Chino, CA

We help make your world a safer place. Securitas is a global company that offers the most advanced and sustainable security solutions in the industry. We are located in 47 countries and have 355,000 employees worldwide and over 150,000 clients. Securitas plays an essential role for our clients and in society. The  Security Officer  position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. They preserve order while enforcing regulations and directives for a client site pertaining to personnel, visitors, and the area. Frequently our Security Officers will provide customer service and information to a client’s employees and customers. We are driven by a clear corporate culture and purpose, which helps us live according to our values of Integrity, Vigilance, and Helpfulness. These values are at the heart of our culture, help define who we are...

May 26, 2026

Full time

Assembler-Project Based, Pomona, Ca

$17.25 - $18.75 hourly

U-Haul Pomona, CA

Assembler - Project-Based Do you want to put your technical skills to good use? If so, consider becoming U-Haul Company’s newest Assembler. In this position, you will work on various parts of the assembly line to ensure that trucks, trailers, and other equipment are efficiently and expertly constructed. NOTE: U-Haul is recruiting for this role with the length of this position to coincide with specific project or projects for which you will be assigned. This position therefore contemplates and end-date at the conclusion of the project or projects on which you are working. U-Haul Offers Assemblers: Discounts on Apple products, Dell computers, cell phone plans, hotels, and more 24-hour physician available for kids (2-12 years of age) David Ramsey's Smart Dollar for budgeting Mental health resources for you and those in your household Assembler Primary Responsibilities: Assemble trucks, trailers and other...

Jun 21, 2026

Full time

Shop Service Technician La Verna

$33.80 - $36.80 hourly

Crown Equipment La Verne, CA

Crown Equipment Corporation, one of the world's largest lift truck manufacturers, offers local support on a global scale with more than 15 manufacturing facilities worldwide and more than 500 retail locations in over 80 countries. Our global sales and service network provides our customers with a local resource for a wide variety of quality material handling equipment, fleet management solutions, warehouse products and support services to meet their needs anytime, anywhere. At Crown, we know that our employees are the driving force behind our success in the material handling industry. We cultivate a culture of passionate people and inspired innovation. We support our employees and their professional goals because an investment in our people is an investment in our future. In fact, throughout Crown’s history, more than 1,000 employees have reached a 25-year milestone, and we are proud to have traveled their career paths with them. From employee training and...

Jun 29, 2026

Seasonal

Customer Service Center Associate San Dimas

$22.60 hourly

Golden State Water Company San Dimas, CA

Golden State Water Company is one of the largest investor-owned water utilities in the United States. We deliver quality, reliable water to more than 1 million people in over 80 communities throughout California. Golden State Water has been in business for more than 90 years because we put customers first. Accountability The Customer Service Center Associate is proficient in the use and application of the tools, equipment, software, processes, and procedures required in the performance of the position’s essential duties and responsibilities. Duties and responsibilities are prioritized according to the work unit assigned and performance measures are based on competencies to include accountability, customer focus, teamwork, problem solving, and productivity. Essential Duties and Responsibilities • Responds professionally and effectively to all types of customer inquiries and service requests via multiple channels of customer contact and according to...

Jun 29, 2026

Full time

Manager of Business Development San Dimas

$129,283 yearly

Golden State Water Company San Dimas, CA

Golden State Water Company is one of the largest investor-owned water utilities in the United States. We deliver quality, reliable water to more than 1 million people in over 80 communities throughout California. Golden State Water has been in business for more than 90 years because we put customers first. POSITION DEFINITION: Manager of Business Development The Manager of Business Development leads business development efforts for GSWC, focusing on identifying, analyzing, developing, and negotiating water and wastewater utility customer growth opportunities. This position will develop and execute strategies, build relationships with key stakeholders, and manage new business opportunities. The incumbent in this position must be able to combine analytical skills with an ability to communicate effectively with various internal and external stakeholders. The Manager is responsible for identifying, evaluating, and securing new business opportunities to support the...

May 20, 2026

Full time

Bilingual Spanish Field Sales Rep, Fontana, Ca

AT&T Fontana, CA

Join an elite group of sales professionals bringing customized, white glove experiences directly in the customer’s home. Field Sales Representatives at AT&T are driven to connect – every interaction is an opportunity to introduce the latest technology and services, thriving on the challenge to make your sales goals happen. With uncapped commission potential, your career and the rewards that come with it are within reach. Enjoy uncapped commission potential as a Field Sales Representative, with top earners having the opportunity to make $100,000. Our new Field Sales Representatives earn between $61,800 to $100,000, including the salary and our uncapped commission opportunities. Individual starting salary within this range may depend on geography, experience, expertise, and education/training. Salary range is dependent on if all sales goals are met and/or exceeded. You’ll be the face and voice of AT&T to your customers, working...

Jun 30, 2026

Temp to Perm

Sterile Processing Technician II Fontana and Riverside

$26.95 hourly

Kaiser Fontana, CA

Decontaminates, cleans, packages, sterilizes, stores and distributes medical/surgical, equipment and supplies in accordance with CDC, OSHA, EPA, AAMI, Title 22, APIC, SGNA, JC guidelines as required. Essential Responsibilities: Responsible for filling orders from requesting departments. Make equipment rounds and return soiled equipment to SPD; clean equipment per manufacturers recommendations and validate functionality prior to storage; validate PM status on equipment issued from and returned to SPD per department policy. Answer phones. Inventory and restock supplies, and specialty carts i.e. isolation, latex, crash carts, etc. per department policy. Order specialty beds and other patient equipment per medical center practice. Disassembles, cleans or decontaminates surgical instruments per manufacturers recommendations including ultrasonic cleaning. Assembles, inspects, tests, wraps and dates all OR sets including specialty sets per department...

May 26, 2026

Full time

Transfer Driver, Glendora, Ca

$16.50 - $18.50 hourly

U-Haul Glendora, CA

Transfer Driver Transfer Driver Ready to rev up your career? Do you like the thought of spending your workday on the road? Do you have an eye for detail and a commitment to punctuality? If so, consider becoming U-Haul Company’s newest Transfer Driver! In this role you will help support the U-Haul community by transporting equipment to and from the repair shop, ensuring that customers can continue to receive the highest quality of care. Whether you are looking for your first job in the industry or have vehicle-repair experience already, U-Haul is the place for you! We have the largest fleet of trucks and trailers in the industry, and we need a first-class team to keep them maintained for our customers. We add to our fleet each year, which ensures that you will always be transporting and working on the latest new equipment. As a U-Haul Transfer Driver, you will use U-Haul Company’s proprietary technology to assess and care for field vehicles....

Jul 12, 2026

Full time

Environment Technician- Corona,, Ca

Waste Management Corona, CA

Job Description Stericycle is now part of WM. To learn more about WM's acquisition of Stericycle, CLICK HERE to read the press release. What is the value of a WM job? The value of a WM job is more than a paycheck. It’s a way to create opportunities for you and your family. Who are we? #WeAreWM No prior hospital service experience required. We will train you. We invest in your future I. Job Summary Under management direction, a Hospital Services Worker travels between customer healthcare facilities providing on-site proactive collection and exchange of waste containers for various Stericycle programs, including but not limited to: Sharps Management Service, Pharmaceutical Waste, Controlled Substances, and Document Management. This service is provided at regularly scheduled intervals for assigned facilities. Schedule Monday : Los Robles Regional...

Jul 12, 2026

Full time

Expert Heavy Equipment Mechanic- Corona,, Ca

Waste Management Corona, CA

Job Description Stericycle is now part of WM. To learn more about WM's acquisition of Stericycle, CLICK HERE to read the press release. What is the value of a WM job? The value of a WM job is more than a paycheck. It’s a way to create opportunities for you and your family. Who are we? #WeAreWM No prior hospital service experience required. We will train you. We invest in your future I. Job Summary Under management direction, a Hospital Services Worker travels between customer healthcare facilities providing on-site proactive collection and exchange of waste containers for various Stericycle programs, including but not limited to: Sharps Management Service, Pharmaceutical Waste, Controlled Substances, and Document Management. This service is provided at regularly scheduled intervals for assigned facilities. Schedule Monday : Los Robles Regional...

496 jobs found in Ontario, CA