System Administrator

Control Air Enterprises LLC - Northern Division; Anaheim (CA); On-site; USD 69,000 - 96,000; Full time

Job summary

Control Air Enterprises LLC - Northern Division in Anaheim, CA is seeking a skilled System Administrator to manage and secure our enterprise IT stack across multiple locations. You will maintain Windows Server environments, AD, and Microsoft 365 while supporting end users and coordinating with vendors on projects.

The role emphasizes cybersecurity, cloud services, and reliability, with a focus on continuous improvement of our network, servers, and endpoints to ensure business continuity.

Qualifications

• Bachelor's degree in IT, CS, or related field preferred.
• Minimum 5+ years of System Administration experience in a corporate IT environment.
• Strong Windows Server and Active Directory experience.
• Experience with Microsoft 365, Exchange Online, and Azure AD.
• Networking, virtualization, and security fundamentals.

Responsibilities

• Administer and support Windows server environments, AD, MS 365, and related enterprise tech.
• Manage user accounts, permissions, security groups, and access controls.
• Provide Tier II/III support for desktops, laptops, and devices.
• Monitor and maintain network infrastructure, VPN, switches, wireless, and security tools.
• Support Azure, cloud services, and hybrid environments.
• Perform patch management, backups, DR, and BC activities.
• Document configurations, processes, and standards.
• Coordinate with vendors to resolve issues and support tech projects.
• Ensure compliance with policies and security best practices.

Skills

Windows Server

Active Directory

Microsoft 365

Azure

Networking

VMware/Hyper-V

Cybersecurity

End-user support

Education

Bachelor's degree in Information Technology / related field

Tools

VMware

Hyper-V

Azure AD

Exchange Online

Job description

Control Air Enterprises LLC

5200 E. La Palma Ave.

Anaheim, CA 92807

Salary: 50.00 - 70.00 USD / HOUR

Competitive Pay: $50/hr. - $70/hr. (DOE)

Are you a highly skilled IT professional with a passion for technology, cybersecurity, and delivering exceptional support to end users? We are seeking an experienced System Administrator to manage and support Control Air's enterprise technology infrastructure, ensuring the reliability, security, and performance of critical business systems across multiple locations.

Working closely with the IT team, business leaders, and end users, you will play a key role in maintaining and improving our network, server, cloud, security, and user support environments. This position requires a hands‑on professional who enjoys solving complex technical challenges while delivering outstanding customer service.

Why Join Us?

This is more than a System Administrator role, it's an opportunity to make a direct impact on the technology that supports one of California's leading mechanical contractors. You'll work with modern infrastructure, cloud technologies, cybersecurity initiatives, and enterprise applications while helping drive continuous improvement throughout the organization.

If you enjoy troubleshooting, optimizing systems, supporting users, and implementing technology solutions that improve business performance, this role is for you.

Key Responsibilities

• Administer and support Windows server environments, Active Directory, Microsoft 365, and related enterprise technologies.
• Manage user accounts, permissions, security groups, and access controls.
• Provide Tier II and Tier III technical support for desktops, laptops, mobile devices, printers, and business applications.
• Monitor and maintain network infrastructure, including switches, wireless systems, VPN connectivity, and network security solutions.
• Support Microsoft Azure, cloud‑based services, and hybrid technology environments.
• Install, configure, upgrade, and maintain server hardware, operating systems, and software applications.
• Perform system monitoring, patch management, backups, disaster recovery, and business continuity activities.
• Troubleshoot and resolve hardware, software, network, and system performance issues.
• Assist with cybersecurity initiatives, vulnerability remediation, endpoint protection, and security best practices.
• Document system configurations, processes, procedures, and technical standards.
• Coordinate with vendors and service providers to resolve technical issues and support technology projects.
• Assist with system implementations, upgrades, migrations, and infrastructure projects.
• Support technology needs across corporate offices, manufacturing facilities, and remote jobsites.
• Maintain IT asset inventory and lifecycle management processes.
• Ensure compliance with company policies, security standards, and industry best practices.
• Provide exceptional customer service and technical guidance to employees at all levels of the organization.
• Support additional IT and technology‑related responsibilities as needed.

Ideal Characteristics

• Self Starter & Problem Solver
• Detail Oriented & Security Focused
• Strong Troubleshooting & Analytical Skills
• Good Communicator & Team Player
• Customer Service Focused

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Information Systems, or a related field preferred.
• Minimum 5+ years of System Administration experience in a corporate IT environment.
• Strong experience supporting Microsoft Windows Server environments and Active Directory.
• Experience administering Microsoft 365, Exchange Online, Azure Active Directory, and related cloud technologies.
• Working knowledge of networking concepts including TCP/IP, DNS, DHCP, VPN, firewalls, and wireless infrastructure.
• Experience with virtualization technologies such as VMware and/or Hyper‑V.
• Knowledge of cybersecurity principles, endpoint protection, and access management.
• Experience supporting desktop operating systems, business applications, and end-user devices.
• Strong documentation, organizational, and project coordination skills.
• Excellent communication and customer service skills.
• Ability to manage multiple priorities and resolve technical issues efficiently.
• Industry certifications such as Microsoft, Azure, Cisco, CompTIA, or similar credentials are a plus.

Equal Opportunity Employer, including disabled and veterans.