Professional services jobs in Ontario, CA

Oct 31, 2026

Full time

Aftermarket Sales Rep Trainee CA Ontario

$25.00 hourly

Crown Equipment Ontario, CA

Company Description: 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. Job Duties Responsible for maximizing the sale of lift trucks, Crown Insite products, and warehouse products within a specified territory to meet sales objectives. Develop existing accounts and seek new business. Analyze opportunities, identify key personnel, and develop strong business relationships. Consult and problem solve to enhance the Company’s position in existing and target accounts. Develop a territory management plan to...

Oct 31, 2026

Full time

Field Service Technician Ontario

$33.80 - $36.80 hourly

Crown Equipment Ontario, 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...

Oct 05, 2026

Full time

Security Officer PT (67816)

$20.00 - $21.00 hourly

Inter-Con Security Ontario, CA

Overview Founded in 1973, Inter-Con Security Systems, Inc. is a leading US-owned security company, providing integrated security solutions to government and commercial customers on four continents. Inter-Con remains under family ownership and control and operates as the industry leader in the field of customized, high-requirement security solutions. Inter-Con employs over 35,000 security personnel world-wide, trained and managed by a team of professionals with unsurpassed military, law enforcement, and security experience. Inter-Con is Everywhere Security Matters. Why Work at Inter-Con? Passion: Inter-Con is a thriving company that is passionate about its products and people. Joining the Inter-Con family is an opportunity for growth and career advancement in an environment that truly cares for its employees. By joining the Inter-Con family, you’re working with the best to build a safer future....

Oct 13, 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...

Oct 11, 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...

Allied Universal Los Angeles/Orange County

Oct 05, 2026

Full time

Security Officer Spanish Communication Patrol - Pomona

$19.00 hourly

Allied Universal Los Angeles/Orange County Pomona, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer Spanish Communication Patrol in Pomona, CA , you will serve and safeguard clients in a range of industries. As an unarmed Patrol Officer with Allied Universal, you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and support a welcoming environment for customers, employees, and visitors. You will provide outstanding customer service, communicate clearly in Spanish and English, and respond professionally to routine situations. Join a caring, agile, reliable, and innovative team that puts people first and acts with integrity. Position Type: Full Time Pay...

Oct 05, 2026

Full time

Security Officer Full Time Unarmed Patrol Deterrence - Pomona

$19.00 hourly

Allied Universal Los Angeles/Orange County Pomona, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer Full Time Unarmed Patrol Deterrence in Pomona, CA , you will serve and safeguard clients in a range of industries. As a Patrol Unarmed Officer, you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and provide exceptional customer service and communication. You will support a welcoming environment through routine patrols, incident reporting, and responsive assistance. Join Allied Universal, where agility, reliability, innovation, teamwork, and integrity guide our people-first culture. Position Type: Full Time Pay Rate: $19.00 / Hour Job Schedule: Day...

Oct 05, 2026

Part time

Security Officer Enhanced Part Time Service Support - Pomona

$19.00 hourly

Allied Universal Los Angeles/Orange County Pomona, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. Life doesn’t always follow a fixed schedule. That’s why we created the Security Officer – Part Time Enhanced position: a flexible, dependable option for individuals looking to supplement their income, gain hands-on experience, or work toward a full-time career with the industry leader. As a Security Officer Enhanced Part Time Service Support in Pomona, CA , this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Pay Rate: $19.00 / Hour Job Schedule: Day Time Fri 03:00 PM - 11:00 PM Sun 07:00 AM - 03:00 PM How...

Oct 02, 2026

Full time

Office Clerk - Pomona

$22.00 - $22.50 hourly

The Home Depot Pomona, CA

About this employer: Temco Logistics is a Home Depot company. The Home Depot acquired Temco in June 2023, and Temco handles appliance and large-item delivery and installation for Home Depot stores. The application for this role is branded Temco Logistics rather than The Home Depot. Temco Logistics is seeking a motivated and customer-focused Customer Service Representative to join our dynamic team. In this role, you will be the first point of contact for customers, providing exceptional service by addressing inquiries, resolving issues, and ensuring customer satisfaction. The ideal candidate will be detail-oriented, organized, and passionate about delivering excellent customer experiences. Key Responsibilities: Provide customers with accurate information regarding their orders, delivery status, and product details. Answer phone calls and respond to emails promptly, addressing customer questions, concerns, and requests. Ensure...

Oct 02, 2026

Full time

Workers Compensation Claims Specialist

$25.00 - $27.50 hourly

The Home Depot Pomona, CA

About this employer: Temco Logistics is a Home Depot company. The Home Depot acquired Temco in June 2023, and Temco handles appliance and large-item delivery and installation for Home Depot stores. The application for this role is branded Temco Logistics rather than The Home Depot. Temco Logistics is seeking a Workers' Compensation Claims Specialist to join our growing Claims Department. This role serves as the primary Temco point of contact for employees experiencing workplace injuries and works closely with Operations, Payroll, HR, Safety, and our third-party claims partners to support employees from injury through return-to-work. The position plays a key role in Temco's newly enhanced workers' compensation model, which will centralize claim coordination within the Claims Department to provide a more consistent employee experience, stronger documentation, and improved operational support. This is not an insurance adjuster position. The focus of this role is...

Oct 02, 2026

Seasonal

Seasonal Office Clerk - Pomona

$22.25 hourly

The Home Depot Pomona, CA

About this employer: Temco Logistics is a Home Depot company. The Home Depot acquired Temco in June 2023, and Temco handles appliance and large-item delivery and installation for Home Depot stores. The application for this role is branded Temco Logistics rather than The Home Depot. Office Work for Warriors is a no-cost employment program of the California Military Department for Service Members, Veterans, and military family members. The Veteran Staffing Consultant for The Home Depot is Chuck Callahan.

Oct 05, 2026

Full time

Security Officer Patrol - Chino Hills

$18.88 hourly

Allied Universal Chino Hills, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer / Patrol in Chino, CA , you will serve and safeguard clients in a range of industries such as Tech/Media/Telecom, and more. As an Unarmed Security Officer supporting a dynamic technology, media, and telecommunications location, you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and provide exceptional customer service and communication. Join Allied Universal’s agile, reliable, and innovative team, where a caring culture, teamwork, and integrity guide every interaction. Position Type: Full Time Pay Rate: $18.88 / Hour Job Schedule: Day...

Oct 05, 2026

Full time

Security Guard - Flex Officer - Eastvale

$19.24 hourly

Allied Universal Eastvale, CA

Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. $19.24 / Hour MUST HAVE ALL TRAINING CERTIFICATES AND ACTIVE CALIFORNIA GUARD CARD. DAYS AVAILABLE = MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY. SHIFTS AVAILABLE = MORNING, AFTERNOON, EVENING, OVERNIGHT. As a Security Guard, you will serve and safeguard clients in a range of industries such as Commercial Real Estate, Healthcare, Education, Government and more. Responsibilities: Provide customer service to our clients by carrying out safety and security procedures, site-specific policies and when appropriate, emergency response activities Respond to incidents and critical situations in a...

Oct 05, 2026

Full time

Security Officer Access Control - Mira Loma

$19.24 hourly

Allied Universal Jurupa Valley, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer Access Control in Mira Loma, CA , you will serve and safeguard clients in a range of industries such as Tech/Media/Telecom, and more. Join a leading team where flexibility meets opportunity. As a Part-Time Security Officer, you can build a schedule that works for you and explore new roles using our Claim a Shift platform. Learn more: aus.com/earnmore. As an Access Control Officer at a dynamic technology, media, and telecommunications location, you will help manage entry points, verify credentials, monitor access activity, and provide outstanding customer service. Your visible presence and clear communication will help...

Oct 05, 2026

Full time

Security Officer Enhanced Front Desk - Mira Loma

$18.20 hourly

Allied Universal Jurupa Valley, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. Life doesn’t always follow a fixed schedule. That’s why we created the Security Officer – Part Time Enhanced position: a flexible, dependable option for individuals looking to supplement their income, gain hands-on experience, or work toward a full-time career with the industry leader. As a Security Officer Enhanced Front Desk in Mira Loma, CA , this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Pay Rate: $18.20 / Hour Job Schedule: Day Time Sun 05:00 AM - 01:30 PM How This Role Works:...

Oct 05, 2026

Full time

Security Officer Full Time Entry Operations - Mira Loma

$18.50 hourly

Allied Universal Jurupa Valley, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer Full Time Entry Operations in Mira Loma, CA , you will serve and safeguard clients in a range of industries such as Retail/Malls, and more. As an Access Control Officer at a retail location, you will help create a welcoming environment by monitoring entry points, verifying access, and responding to security-related concerns. You will maintain a visible presence, conduct routine patrols, support customer service, and communicate clearly with visitors and team members. Join Allied Universal, where agility, reliability, innovation, teamwork, caring, and integrity guide our work every day. Position Type: Full Time Pay...

Oct 05, 2026

Full time

Security Officer Driver - Mira Loma

$19.00 hourly

Allied Universal Jurupa Valley, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. As a Security Officer / Driver in Mira Loma, CA , you will serve and safeguard clients in a range of industries such as Logistics & Distribution, and more. As an Access Control Officer at a logistics and distribution location, you will help manage entry points, verify access credentials, monitor activity, and support a welcoming environment for employees, visitors, and drivers. You will conduct routine patrols, remain visible to help deter security-related incidents, and provide exceptional customer service. This driving post requires a valid driver’s license. Join Allied Universal’s agile, reliable team and act with integrity...

Oct 15, 2026

Full time

Security Officer Diamond Bar

$17.00 - $19.00 hourly

Bronze Shield Security Diamond Bar, CA

Objectives of this Role Ensure a safe environment through a team effort of diligent, active patrol, strict access control, monitoring, and equipment control Be visible and observant at all times, greeting staff, guests, and vendors in a courteous and attentive manner Respond immediately to distress calls, panic alarms, and emergency calls for disorderly conduct, disruptive persons, and incidents swiftly and appropriately Maintain the company’s reputation with professionalism and legal compliance Collaborate with other security officers for effective protection and coverage Daily Responsibilities Patrol property on foot, securing personnel, assets, buildings, gates, and fence perimeter, in all weather conditions Investigate and take the appropriate lawful action as authorized by the corporate policy on accidents, incidents, trespassing, suspicious activities, safety, and fire incidents Control and monitor surveillance equipment, and...

Oct 05, 2026

Full time

Security Officer Flex Variable Shift Patrol Coverage - Fontana

$19.79 hourly

Allied Universal Fontana, CA

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve. The Security Professional Branch Flex Officer will serve and safeguard clients across a wide range of industries, including healthcare, education, finance, retail, and more. Join our world-class team and take the next step in your career with a role that offers hands-on experience, diverse work environments, and the opportunity to build a strong foundation with a leader in the security industry. In this role, you can expect to work 30–40 hours per week, offering steady income and opportunities for growth. Your schedule will vary week to week, based on a combination of manager-assigned shifts and those you pick up through our Earn More,...

Oct 01, 2026

Full time

Service Advisor

$23.00 hourly

Rush Truck Centers Fontana, CA

The Service Advisor sells and schedules needed service work on commercial trucks and equipment for the dealership service department. Rush Truck Centers opens the door to the world of opportunity. We are the largest network of commercial vehicle dealerships across the US representing truck and bus manufacturers. Our franchises include Peterbilt, International, Hino, Isuzu, Ford, IC Bus and Blue Bird. We offer a rewarding career as a leader in the transportation industry. Grow with us as we continue to expand our network of locations and services. Responsibilities: Gather customer complaint details and expectations. Perform vehicle walk around inspection, verify vehicle information. Connect to J-Pro and perform on the spot vehicle diagnostics. Print report. Refer to service history (IE:SIR), recommend additional needed service. Advise customers on the care of their vehicles and the value of maintaining their vehicles in accordance with manufacturer’s...

2603 professional services jobs found in Ontario, CA