IT Systems Administrator
ElDorado National California Inc· enterprise· Aug 14, 2026 · 3mo agoPosted 74 days ago
Riverside, CA
Hybrid
Full-time
Principal
$110K–$130K
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Ghost Signal:
Open 74 days.
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 employees 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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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Pto
Paid Time Off
Wellness