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Tier 3 Process Assistant Jobs in Rancho Cucamonga, CA

Eldorado CA

IT Systems Administrator

Riverside, CA · On-site

$110K - $130K/yr

... model assembly process. Each vehicle is produced in our purpose-built facility in Riverside ... Provide Tier 1, Tier 2, and Tier 3 technical support for employees across the organization.

Ceragon

Resident Engineer

Ontario, CA · On-site

$100K - $128K/yr

Oversee fault management processes, including ticket triage, prioritization, and tracking ... Escalate complex incidents to Tier 2 and Tier 3 support teams as required. * Coordinate and manage ...

VC3

Onsite Systems Analyst II

Rancho Cucamonga, CA

... tier technical team members to assist with escalations that stretch beyond the tier 1 and/or tier 2 ... process · Maintain accurate and real time timesheets, record complete and accurate notes of ...

Shield

Service Desk Manager - Tier II

Anaheim, CA · On-site +1

$93K - $108K/yr

Service Desk Manager - Tier II Department: Managed Services Employment Type: Full Time Location ... processes, documentation, and client satisfaction. Skills, Knowledge & Expertise * 3+ years in an ...

LERETA, LLC

Senior Data Engineer

Pomona, CA · On-site

$114K - $140K/yr

Provides Tier 2 / Tier 3 production support for data integration and reporting platforms ... Identifies obsolete fact tables, unused reports, and redundant processes to streamline the data ...

unicare

Back Office - Medical Assistant I

Corona, CA · On-site

$19 - $24/hr

Manage scheduling, maintain patient records, and handle billing and insurance processing. * Assist ... One (1) to three (3) years Behavioral Health Experience preferred. Knowledge, Skills, and Abilities

unicare

Back Office - Medical Assistant I

Corona, CA

$19 - $24/hr

Manage scheduling, maintain patient records, and handle billing and insurance processing. * Assist ... One (1) to three (3) years Behavioral Health Experience preferred. Knowledge, Skills, and Abilities

unicare

Back Office - Medical Assistant I- BH-

Fontana, CA · On-site

$18.75 - $23.75/hr

Manage scheduling, maintain patient records, and handle billing and insurance processing. * Assist ... One (1) to three (3) years Behavioral Health Experience preferred. Knowledge, Skills, and Abilities

unicare

Back Office - Medical Assistant I- BH-

Fontana, CA

$18.75 - $23.75/hr

Manage scheduling, maintain patient records, and handle billing and insurance processing. * Assist ... One (1) to three (3) years Behavioral Health Experience preferred. Knowledge, Skills, and Abilities

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All JobsTier 3 Process JobsTier 3 Process Assistant JobsTier 3 Process Assistant Jobs in Rancho Cucamonga, CA

Tier 3 Process Assistant information

See Rancho Cucamonga, CA salary details

$14

$26

$49

How much do tier 3 process assistant jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for tier 3 process assistant in Rancho Cucamonga, CA is $26.03, according to ZipRecruiter salary data. Most workers in this role earn between $17.93 and $30.19 per hour, depending on experience, location, and employer.

What is a Tier 3 Process Assistant?

Tier 3 Process Assistants are experienced employees who support operations by handling advanced process issues, training new associates, and ensuring that workflows run smoothly. They often act as a bridge between associates and managers, troubleshooting problems and escalating complex situations as needed. Their responsibilities typically include monitoring productivity, providing process improvements, and ensuring adherence to company policies and safety standards. This role requires strong leadership, communication, and problem-solving skills.

What are the key skills and qualifications needed to thrive as a Tier 3 Process Assistant?

To thrive as a Tier 3 Process Assistant, you need strong organizational skills, attention to detail, and a solid understanding of warehouse or logistics operations, often supported by experience or relevant training. Familiarity with warehouse management systems (WMS), inventory tracking tools, and data entry software is typically required. Exceptional problem-solving abilities, leadership, and effective communication set outstanding candidates apart in this role. These skills and qualities are crucial for ensuring efficient processes, accurate order fulfillment, and smooth team coordination in high-volume operational environments.

How does a Tier 3 Process Assistant typically collaborate with other teams to resolve complex operational issues?

Tier 3 Process Assistants often serve as escalation points for operational problems that frontline teams cannot resolve. They work closely with supervisors, quality assurance, and technical support teams to identify root causes and implement process improvements. Regular communication and cross-functional meetings are essential for sharing insights and ensuring alignment on solutions. This collaborative approach helps maintain workflow efficiency and supports continuous improvement within the organization.

What is the difference between Tier 3 Process Assistant vs Tier 2 Process Assistant?

AspectTier 3 Process AssistantTier 2 Process Assistant
CredentialsHigh school diploma or equivalent; on-the-job trainingHigh school diploma or equivalent; some experience preferred
Work EnvironmentManufacturing or production facilities, often in warehousesManufacturing or production facilities, often in warehouses
Employer UsageCommonly used in large manufacturing plants and distribution centersUsed in similar settings, often as a stepping stone to higher roles

Both roles involve supporting production processes, but Tier 3 Process Assistants typically have more responsibilities and require more experience. They often serve as team leads or coordinators within manufacturing environments, whereas Tier 2 Process Assistants focus on assisting with daily operations under supervision.

What job categories do people searching Tier 3 Process Assistant jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Tier 3 Process Assistant jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Tier 3 Process Assistant jobs?

Cities near Rancho Cucamonga, CA with the most Tier 3 Process Assistant job openings:

Tier 3 Process Assistant jobs near you
Infographic showing various Tier 3 Process Assistant job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 19% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $54,148 per year, or $26 per hour.

IT Systems Administrator

Eldorado CA

Riverside, CA • On-site

$110K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

Job description

Join a manufacturing leader with over 50 years of excellence, where every role contributes to building reliable transportation solutions that people depend on everyday across the United States and Canada. At ENC, we prioritize safety, quality, innovation, collaboration, and continuous growth - creating vehicles our teams can take pride in.
Founded in 1975, ENC (ElDorado National - California) is a leading U.S. transportation manufacturer specializing in design, engineering, and end-to-end production of heavy-duty buses, shuttles, and cargo vehicles through a custom-build, mixed-model assembly process. Each vehicle is produced in our purpose-built facility in Riverside, California supporting public agencies and private transportation providers nationwide. We offer one of the industry's widest portfolios of power options, including 100% battery-electric, diesel-electric hybrid, CNG, and clean diesel.
ENC is committed to revitalizing American manufacturing through innovation, customer focus, and the delivery of high-quality vehicles that keep communities connected, supported, and moving forward.
IT Systems Administrator
Location: Riverside, CA
Salary Range: $110,000 - $130,000
Position Summary
The IT Systems Administrator will provide hands-on Tier 1, Tier 2, and Tier 3 technical support while also supporting the company's server, cloud, network, and backup infrastructure.
This position will serve as the technical escalation point between the IT Analyst and IT Manager. The ideal candidate must be comfortable working directly with employees on laptop, software, and connectivity issues while also maintaining Windows Server 2025 physical and virtual servers, Microsoft Hyper-V, and a hybrid Microsoft 365 environment.
This is a hands-on role. The successful candidate must be equally willing to troubleshoot an employee laptop, build and deploy a new computer, resolve routine helpdesk tickets, administer a Windows server, and support infrastructure-related projects.
Key Responsibilities:
End-User and Desktop Support
  • Provide Tier 1, Tier 2, and Tier 3 technical support for employees across the organization.
  • Diagnose and resolve hardware, software, operating system, connectivity, printing, peripheral, and application issues.
  • Build, configure, deploy, maintain, and troubleshoot Windows 10 and Windows 11 laptops.
  • Perform laptop replacements, upgrades, imaging, software installation, patching, user profile migration, and equipment swaps.
  • Support employee onboarding and offboarding, including account setup, device preparation, application access, and equipment recovery.
  • Provide remote and in-person technical support and maintain accurate ticket documentation.
  • Assist with routine Tier 1 work during high-volume periods, absences, urgent issues, and onsite support needs.
  • Serve as the primary escalation point for the IT Analyst and provide technical guidance and cross-training.
Microsoft 365 and Identity Administration
  • Support and administer a hybrid Microsoft 365 environment.
  • Manage user accounts, groups, licenses, permissions, shared mailboxes, and access requests.
  • Support Active Directory, Microsoft Entra ID, Group Policy, Exchange Online, Teams, SharePoint, OneDrive, and related Microsoft 365 services.
  • Troubleshoot authentication, synchronization, permissions, email, and Microsoft application issues.
  • Assist with access controls, multifactor authentication, account security, and employee lifecycle management.
Server and Virtual Infrastructure Administration
  • Maintain and support Windows Server 2025 physical and virtual servers.
  • Administer and troubleshoot Microsoft Hyper-V hosts and virtual machines.
  • Monitor server performance, capacity, availability, patching, event logs, storage, and system health.
  • Support server builds, upgrades, migrations, maintenance, and retirement activities.
  • Assist with Active Directory, Group Policy, file services, print services, DNS, and DHCP.
  • Maintain technical documentation for servers, applications, configurations, and recovery procedures.
Infrastructure and Operational Support
  • Support the administration and troubleshooting of network, wireless, firewall, VPN, voice, and remote-access systems.
  • Assist with backup monitoring, administration, recovery testing, and restoration activities.
  • Support infrastructure improvement projects, system implementations, patching, and security remediation activities.
  • Monitor system alerts and respond to infrastructure-related incidents.
  • Work with third-party vendors and service providers when escalation or specialized support is required.
  • Participate in scheduled maintenance activities and occasional after-hours support for business-critical systems.
  • Reduce single points of failure through documentation, cross-training, and knowledge sharing.

Position Requirements:
  • Three or more years of professional experience providing desktop, end-user, and systems support in a business environment.
  • Strong hands-on experience supporting employee laptops and resolving desktop support issues.
  • Experience building, configuring, deploying, and troubleshooting Windows 10 and Windows 11 laptops.
  • Experience supporting a hybrid Microsoft 365 environment.
  • Working knowledge of Microsoft 365 administration, Active Directory, Microsoft Entra ID, Exchange Online, Teams, and Group Policy.
  • Experience maintaining and troubleshooting Windows Server physical and virtual servers, including Windows Server 2025 or a closely related current version.
  • Experience administering or supporting Microsoft Hyper-V.
  • Ability to troubleshoot hardware, software, operating system, authentication, network connectivity, and application issues.
  • Understanding of IT security fundamentals, including patching, account access, multifactor authentication, endpoint protection, and least-privilege practices.
  • Strong customer-service skills and the ability to communicate technical information clearly to nontechnical employees.
  • Ability to independently prioritize incidents, service requests, routine support work, and infrastructure responsibilities.
  • Ability to document systems, procedures, configurations, and troubleshooting steps.

Preferred Qualifications:
  • Experience with RingCentral or another enterprise VoIP platform.
  • Experience supporting Cisco or Cisco Meraki networking equipment.
  • Experience with switches, wireless access points, firewalls, VLANs, and VPN connectivity.
  • Experience administering or supporting Unitrends backup systems.
  • Experience monitoring backup jobs, troubleshooting failures, and assisting with file or server restoration.
  • Experience using TeamViewer or a similar remote-support platform.
  • Familiarity with DNS and DHCP administration and troubleshooting.
  • Experience supporting manufacturing, engineering, warehouse, or production environments.
  • Experience supporting approximately 200 or more users in a growing organization.
  • Relevant Microsoft, Cisco, CompTIA, or other industry certifications.

Work Environment:
This is an onsite position based in Riverside, CA and requires being onsite.
Benefits:
  • Comprehensive benefits package: Medical (including FSA & HSA), dental, vision, life and disability insurance, EAP, mental health, and wellness programs
  • 401(k) with employer match
  • Paid time off and twelve (12) paid holidays
  • Employee referral program
  • Career growth and development opportunities

Career Growth at ENC
We believe great careers and leaders are built from within. Many of our team members have advanced into roles that lead or into specialized technical positions. We invest in hands-on training, skill development, and long-term career pathways within manufacturing operations.
Equal Opportunity Employer
ElDorado National California Inc. (ENC) is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, or any other protected class under applicable federal, state, and local laws. We are committed to fostering a diverse and inclusive workplace where all employees feel valued and respected.
ENC takes affirmative action to employ and advance employment opportunities for minorities, women, protected veterans, and individuals with disabilities. We actively encourage qualified candidates from all backgrounds to apply and join our team.
ENC is also committed to ensuring that individuals with disabilities have equal access to opportunities. If you require a reasonable accommodation to complete the application process, please contact HR Department for assistance.
In accordance with California's wage transparency law (Senate Bill 1162), we are committed to pay equity and transparency. The salary range reflected on the job positing is our good faith estimate of what we expect to pay for this role at the time of posting. While we do not typically hire at the top of the salary range, initial offers are based on the candidate's qualifications and experience, with opportunities for growth and increases over time.

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