Demo

Sr. System Administrator

Financial Partners Credit Union
Costa Mesa, CA Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 5/1/2026
The Senior System Administrator is responsible for ensuring the seamless operation, optimal performance and safeguarding of our expansive IT infrastructure with a strong focus on server platforms, virtual environments, storage systems, cloud services, network components, and enterprise applications as well as participation in the education of junior team members.

Essential Responsibilities

Server Infrastructure Management

  • Installation, configuration, and maintenance of physical and virtual servers across various operating systems, including Windows Server, Linux, and Unix.
  • Resource management to ensure optimal performance and availability, including CPU, memory, and storage.
  • Execution of routine maintenance tasks such as software updates, patch management, and system backups.

Virtualization Platform Management

  • Implementation and Administration of virtualization platforms like VMware vSphere and Microsoft Hyper-V.
  • Provisioning and management of virtual machines, encompassing resource allocation, network configuration, and snapshots.
  • Monitoring and troubleshooting of virtual infrastructure performance.

Active Directory Management

  • Implementation and administration of Active Directory services, covering user and group management, permissions, and group policy implementation.
  • Assurance of reliability, security, and scalability of Active Directory infrastructure.
  • Timely resolution of Active Directory-related issues.

Storage Systems Management

  • Implementation and administration of Storage Area Network (SAN) and Network-Attached Storage (NAS) systems for scalable storage solutions.
  • Configuration of storage arrays, RAID setups, and volume management for optimized performance and data integrity.
  • Monitoring of storage usage, performance, and availability, with capacity planning as necessary.

Cloud Services

  • Configuration and management of Azure services, including virtual machines, storage accounts, networking, and security features.
  • Monitoring of Azure resources for performance, availability, and cost optimization.
  • Implementation of Azure security best practices.

System Monitoring and Security

  • Deployment and configuration of system monitoring tools for proactive monitoring of network, server, and application performance.
  • Implementation of security policies, standards, and procedures to protect IT assets.
  • Rapid response to security incidents and implementation of corrective actions.

Backup, Disaster Recovery, and Patch Management

  • Development and implementation of backup and disaster recovery strategies.
  • Management of patching processes across operating systems, applications, and firmware.
  • Coordination of patch testing, deployment, and rollback procedures.

Network Infrastructure Administration

  • Configuration, deployment, and maintenance of network devices such as routers, switches, firewalls, and VPNs.
  • Monitoring and troubleshooting of network performance and connectivity issues.
  • Optimization of network configurations for efficiency and security.

Enterprise Applications

  • Support for enterprise applications like MS Exchange, SQL, and SharePoint, including installation, configuration, and troubleshooting.
  • Collaboration with vendors and stakeholders for issue resolution and enhancement implementation.
  • Ensuring availability, reliability, and security of enterprise applications.

Documentation, Training, and Knowledge Sharing

  • Creation and on-going maintenance of documentation on system configurations and procedures.
  • Participation in the development of IT policies, standards, and guidelines.
  • Educate junior team members on network technologies and best practices. Provide mentorship and guidance to help them develop their skills and advance their careers.
  • Collaborating closely with other team members to promote a culture of collaboration, knowledge exchange, and teamwork.
  • Facilitating cross-training opportunities to ensure broad skill development within the team.

EDUCATION And/or EXPERIENCE

Bachelor's degree in computer science, information technology, or a related field (or equivalent work experience).

Knowledge & Experience

  • 10 years of experience in IT systems administration.
  • Experience with server administration, including Windows Server, Linux, and Unix.
  • Proficient with administrating Microsoft Active Directory Services (including Azure AD), DHCP, DNS and other core functions.
  • Experience with administrating storage technologies, including SAN and NAS (Dell PowerStore experience a plus)
  • Experience with virtualization technologies, such as VMware vSphere and Microsoft Hyper-V (Cisco UCS-X experience a plus).
  • Experience with cloud services, particularly Azure, including virtual machines, storage, networking, and security.
  • Experience with managing enterprise applications including Microsoft Exchange, SharePoint, Teams, and SQL Server.
  • Experienced with data backup systems and processes (Veeam experience a plus).
  • Strong understanding of system monitoring tools and techniques.
  • Knowledge of backup and disaster recovery best practices and tools.
  • Experience in patch management.
  • Proficiency in administering Cisco and Fortinet network components such as routers, switches, firewalls, and VPNs.
  • Excellent troubleshooting skills and attention to detail.
  • Strong communication and interpersonal skills, with the ability to work effectively in a team environment.
  • Able to conduct research into issues and products as required.
  • Self-motivated and directed, with keen attention to detail.
  • Able to conduct research into issues and products as required.
  • Experience working in a team-oriented, collaborative environment.
  • Analytical and problem-solving abilities.

Certificates, Licenses, Registrations

  • Relevant certifications (e.g., Microsoft Certified: Azure Administrator Associate, VMware Certified Professional) are strongly desired.

The pay range for this position is listed above. Our pay ranges are designed to allow for candidates with various levels of experience and skill to be considered, and to allow room for growth to be achieved in a role over time. Generally, new hire salary offers fall within the minimum to midpoint of a pay range for many candidates. Any offer extended to a candidate will be based upon their individual combination of experience, knowledge, skills, and education as well as internal equity.

Financial Partners Credit Union is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Salary.com Estimation for Sr. System Administrator in Costa Mesa, CA
$139,277 to $171,013
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