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Air Treatment Corporation
Systems Administrator in Brea
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What they do
A Systems Administrator manages the day-to-day operations of an organization's computer networks, including the systems that connect computers and other technology to each other and to outside networks. Installs, organizes, and supports the hardware and software of these systems.
$105,886 / year median in California
-11% projected decline
Job Description
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Job Ref:
3167653559Employer:
Network Company Name:
Air Treatment Corporation Industry:
Information Technology Job Type:
Full Time State:
California City:
Brea Zip Code:
92821Post Date:
09/02/2026Description:
Air Treatment Corporation is a dynamic, collaborative work environment. We understand the expectations of high-quality customer service, therefore we actively search and promote a cohesive team that is formulated to exceed expectations. We are devoted to the growth of our employees and look to provide opportunities for advancement from within.Hiring Manager:
Matt Lowe Location:
Brea, CA Estimated Pay Range:
$85,000.00 - $120,000.00Job Summary:
The Systems Administrator is responsible for managing and maintaining our organization's IT infrastructure, ensuring optimal performance, security, and reliability.Duties/Responsibilities:
- Install, configure, and maintain operating systems, software, and hardware.
- Monitor system performance and ensure availability and reliability.
- Administer and maintain system security and backup protocols.
- Troubleshoot and resolve hardware, software, and network issues.
- Perform regular system upgrades and apply patches to ensure optimal performance.
- Manage user accounts, permissions, and access rights.
- Implement and manage system and network configurations.
- Collaborate with IT team members to enhance security and efficiency.
- Maintain comprehensive documentation of systems and processes.
- Ensure compliance with company policies and industry regulations.
- Provide technical support and guidance to end-users.
- Plan and execute system capacity and resource planning.
- Automate routine tasks using scripts and configuration management tools.
- Participate in disaster recovery planning and testing.
- Evaluate and recommend new technologies to improve infrastructure efficiency.
Requirements:
Required Skills/Abilities:
- Proficiency in managing and configuring Windows server environments
- Experience with virtualization technologies (Windows Hyper-V)
- Strong understanding of network protocols, firewalls, and security principles
- Familiarity with cloud platforms like AWS or Azure
- Experience with system monitoring and performance tuning tools
- Proficient in scripting languages such as Bash, PowerShell, or Python
- Strong problem-solving skills and attention to detail
- Excellent communication and documentation skills
- Ability to manage and prioritize multiple tasks and projects
- Knowledge of backup and recovery solutions
- Experience with Active Directory and Group Policy management
- Availability for on-call support and emergency response as needed
Education and Experience:
- Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience
- Proven experience as a Systems Administrator or in a similar role
- Relevant certifications such as CompTIA A+, Network+, Security+, or Microsoft Certified Solutions Expert (MCSE) preferred.
Physical Requirements:
- Prolonged periods sitting at a desk and working on a computer.
- Frequent use of hands and fingers to operate a computer keyboard, mouse, and other technical equipment.
- Ability to occasionally stand, walk, bend, kneel, or crouch to install or troubleshoot equipment.
- Ability to lift and move equipment up to 25-50 pounds (computers, monitors, printers, network equipment).
- Visual ability to read screens, technical documents, and equipment labels.
- May require travel between office locations or facilities.
- On-site position, no relocation provided.