Demo

Senior Systems Administrator

SchoolsFirst FCU
Tustin, CA Full Time
POSTED ON 4/3/2026
AVAILABLE BEFORE 6/2/2026

We’re always looking for diverse, talented, service-oriented people to join our exceptional team.

Senior Systems Administrator

The pay range for this position is listed below. Our pay ranges are built to allow for candidates with various levels of skill and experience to be considered, as well as for room for growth and tenure achieved in a role over time. Typical 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 unique set of knowledge, skills, education, and experience as well as internal equity.

Pay Range:

$42.41 - $63.62

Scheduled Weekly Hours:

40

What You’ll Be Doing
Responsible for effective administration, configuration, installation, provisioning, monitoring and troubleshooting to ensure availability, capacity and performance of infrastructure systems is achieved. Perform assigned duties as listed in RACI model(s) under general supervision from manager. Collaborate with peers and manager on operational tasks, system enhancements and project activities.
  • Provide assistance for support cases escalated by Systems Administrator.
  • Install and configure systems to support infrastructure and applications.
  • Maintain configuration standards and operating procedures.
  • Coordinate with vendors for technical support and upgrades.
  • Submit and fulfill service requests.
  • Respond to incidents and problems.
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.
  • Conduct after-hours maintenance.
  • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
  • Gather and analyze system log files.
  • Apply patches and upgrades on a regular basis.
  • Coordinate and collaborate with teammembers and service stakeholders.
  • Create, change, and delete user accounts per request.
  • Provide first tier support at administrator level to including investigation and troubleshooting.
  • Perform regular systems hardening to maintain security standards.
  • Monitor ITSM tickets and prioritize appropriately.
  • Support disaster recovery and business continuity solutions, failover and testing efforts.
  • This position will be part of a paid on call rotation supporting the production environment 24x7x365.

Additional Job Functions

  • Performs other duties as assigned
  • Complies with regulatory compliance and assigned training requirements including but not limited to BSA regulations corresponding to their specific job duties. Failure to do so may result in disciplinary and other employment related actions

Qualifications

  • High School Diploma or GED required
  • Bachelor's Degree or equivalent years of experience required
  • 3-5 years of prior functional experience required
  • Microsoft MCSA preferred
  • VMware Certified Professional preferred
  • Cisco Data Center UC Support Specialist preferred
Knowledge, Skills, and Abilities
  • Intermediate knowledge with five to six years of experience with one of more of the following Applications:
    • Microsoft Active Directory, Entra ID, Microsoft IIS, Microsoft SQL
    • Credit Union specific applications
    • General back office applications
    • Backup and restore applications and procedures such as Dell Power Protect Data Manager
    • Solarwinds, Splunk, or other monitoring tools
  • Intermediate knowledge with five to six years of experience with one or more of the following Operating Systems:
    • Windows Server
    • Red Hat Linux
    • VMware vCenter and vSphere
  • Intermediate knowledge with five to six years of experience with one or more of the following Compute systems:
    • Cisco UCS B and C Class
    • Nutanix
  • Intermediate knowledge with five to six years of experience with one or more of the following Storage systems:
    • Network Appliance Filers
    • Pure Storage
    • Cisco MDS SAN Fabric
  • Intermediate knowledge of operating system scripting and utilities.
  • Intermediate knowledge of SNMP and log monitoring tools.
  • Intermediate knowledge of TCP/IP and OSI Model.
  • Intermediate knowledge of firewalls, routers, and switches.
  • Intermediate knowledge of storage protocols; iSCSI, Fiber Channel and NFS.
  • Intermediate knowledge of audit and security best practices (NIST, PCI, ISO).
  • Intermediate knowledge of Data Center standards, including cabling, fire suppression, power, and safety

SchoolsFirst FCU is committed to Diverse, Equitable, and Inclusive Hiring

At SchoolsFirst FCU we are dedicated to building and growing a diverse, inclusive, and authentic Dream Team, so if you’re excited about a position or wanting to make a career change but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. Many skills are transferrable and you may be just the right candidate for the position, or for other roles we are working on.

SchoolsFirst Federal Credit Union is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. SchoolsFirst FCU is an equal opportunity employer and prohibits discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, political affiliation, or genetic information.

This organization participates in E-Verify.

Salary : $42 - $64

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