Job Description

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 - $120,000.00

Job 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.

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.

At Air Treatment Corporation, we are committed to growth, innovation, and excellence. As leading experts in HVAC & R solutions, we recognize that the success of our team drives the success of our company. This is echoed in our commitment to a workplace built on fairness, professionalism, and opportunity, ensuring that every team member is valued. Join our team and contribute your unique skills and perspectives to help us continue delivering industry-leading solutions.

Compensation details: 85000-120000 Yearly Salary

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