System Administrator I

Atomica Corporation; Goleta (CA); On-site; USD 75,000 - 85,000; Full time

Job summary

Atomica Corporation is seeking a System Administrator I to support and maintain the enterprise's systems, software, and network infrastructure, while managing day-to-day help desk operations. The role requires hands-on experience with desktop administration, network systems, and Microsoft 365.

The ideal candidate will be proactive, customer-focused, and capable of delivering reliable IT support in a dynamic environment, with the ability to coordinate with external IT service providers and

Qualifications

• 2+ years of IT systems support or administration.
• Experience with Microsoft 365 administration and desktop environments.
• Familiarity with Active Directory, Dell hardware, and HP/Cisco networking equipment.
• Proficient in documenting systems and processes.
• Strong communication and customer-service orientation.

Responsibilities

• Administer Microsoft 365 services, including user access and security.
• Install, configure, and maintain Windows, Linux, and macOS desktops.
• Provide LAN system support and manage related infrastructure.
• Maintain IT hardware, software, and service inventory.
• Oversee internal help desk operations and coordinate with external providers.
• Support cloud-based apps (CRM, ERP, MES) with stakeholders.
• Assist with server/infrastructure configuration to support operations.
• Ensure consistent system performance and ongoing maintenance.

Skills

Microsoft 365 administration

Active Directory

Customer service mindset

Cross-functional collaboration

Multi-priority management

Independent work

Education

Cisco CCNA

CompTIA certification

ITIL Foundation

Tools

PowerShell scripting

Visio

PowerPoint

Excel

Dell hardware

Cisco networking

Job description

Summary:

Atomica is seeking a System Administrator I to support and maintain the enterprise’s systems, software, and network infrastructure, while managing day-to‑day help desk operations. This role requires hands‑on experience with desktop administration, network systems, and Microsoft 365. The ideal candidate will be proactive, customer‑focused, and capable of delivering reliable IT support in a dynamic environment.

Objectives:

• Administer Microsoft 365 services, including user access, security settings, and application management.
• Install, configure, and maintain desktop systems running Windows, Linux, and macOS.
• Provide system support for local area networks (LAN) and manage related infrastructure.
• Maintain IT hardware, software, and service inventory across the organization.
• Manage internal help desk operations and coordinate with external IT service providers as needed.
• Support cloud-based business applications (e.g., CRM, ERP, MES) in collaboration with stakeholders.
• FabOps alpha testing, issue reporting, and user coordination
• Assist with server and infrastructure configuration to support enterprise operations.
• Ensure consistent system performance and contribute to ongoing maintenance and improvement efforts.

Capabilitis:

• 2+ years of experience in IT systems support or administration.
• Experience with Microsoft 365 administration and desktop environments.
• Familiarity with Active Directory, DELL hardware, and HP/Cisco networking equipment.
• Proficiency in documentation using tools such as PowerPoint, Visio, Word, and Excel.
• Strong communication skills with a customer service mindset.
• Ability to adapt to a fast‑paced environment and manage multiple priorities.
• Comfortable working independently and within cross‑functional teams.

Preferred Qualifications:

• Cisco CCNA, CompTIA, or ITIL Foundation certification.
• Experience with PowerShell scripting and automation.
• Microsoft Desktop Associate certification.
• Exposure to cloud platforms and backup/disaster recovery solutions.

Compensation:

$75,000-85,000