Assistant Pos Technical Support Jobs in Riverside, CA

We are seeking a customer-focused and technically skilled Technical Support Representative to support our product line and tankless water heating solutions. This role is ideal for candidates who enjoy troubleshooting, problem-solving, and delivering high-quality service in a fast-paced environment.

The ideal candidate has experience in HVAC, technical troubleshooting, or call center support, and can confidently guide customers through product issues over the phone.

• Provide technical support and product guidance to contractors, installers, distributors, engineers, architects, and end-users
• Troubleshoot tankless water heater systems over the phone, accurately diagnosing issues and delivering clear, effective solutions
• Research and resolve installation and product performance concerns
• Distinguish between technical vs. business issues and resolve or escalate accordingly
• Accurately document customer interactions, troubleshooting steps, and warranty details in internal systems
• Enter and maintain product warranty registrations and service records
• Follow up on open cases to ensure timely and complete resolution
• Respond to email inquiries related to product support and troubleshooting
• Collaborate with team members to resolve high-priority or complex technical issues
• Support multilingual queues (Spanish or other languages) as needed
• Assist with additional projects or tasks assigned by leadership

• 1+ year of customer service or phone-based support experience
• 2+ years of technical troubleshooting experience (HVAC, plumbing, or related field preferred)
• High School Diploma or equivalent
• Strong ability to communicate technical information clearly to diverse audiences
• Excellent problem-solving, multitasking, and communication skills
• Proficiency with Microsoft Office (Outlook, etc.)
• Ability to work a flexible schedule, including weekends, holidays, and overtime as needed

• Hands-on HVAC or field service experience
• Completion of an HVAC certification or related technical training
• Experience in a call center or high-volume support environment
• Familiarity with Navien products or tankless water heater systems
• Bilingual (Spanish, French, Mandarin, or Korean)
• Strong passion for troubleshooting and customer support

• Customer Service
• Technical Support & Troubleshooting
• HVAC / Tankless Systems Knowledge
• Call Center Operations
• Problem Solving & Communication

• Opportunity to grow within a leading brand in tankless water solutions
• Hands-on exposure to technical troubleshooting and product expertise
• Collaborative, team-driven environment with strong support

#westpriority26

This is a Contract to Hire position based out of Ontario, CA.

The pay range for this position is $20.65 - $22.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Ontario,CA.

This position is anticipated to close on Jun 5, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.