Host Systems Engineer I – Infrastructure Systems

Golden 1 Credit Union

Host Systems Engineer I supporting enterprise host systems in a mission-critical environment for Golden 1 Credit Union. Collaborating with internal teams to ensure system stability and security.

Posted 7/27/2026full-timeRemote • California • 🇺🇸 United StatesMid-LevelSenior💰 $102,000 - $125,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxUnix

About the role

Key responsibilities & impact

Assist with the administration and day to day operational support of Guardian operating systems on HPE NonStop platforms under the guidance of Host Systems Engineer II
Assist with administration and maintenance of AIX operating systems on IBM Power Systems, including basic system checks, monitoring, and routine operational tasks.
Support InterSystems Caché and IRIS environments by performing basic operational tasks, monitoring system status, and escalating issues as needed.
Respond to system alerts and incidents by performing initial troubleshooting and following documented procedures; escalate complex issues to senior staff when required.
Monitor system performance, availability, and security events using established monitoring tools.
Participate in scheduled maintenance activities, including patching and updates, following documented change procedures.
Log, track, update, and resolve service requests and incidents using the enterprise ticketing system in accordance with SLA expectations.
Follow established system configurations, standards, and architectural guidelines; assist with documentation updates as directed.
Contribute to the creation and maintenance of technical documentation, runbooks, and procedures for operational tasks.
Assist with infrastructure projects and initiatives by performing assigned tasks, testing, documentation, and validation activities.
Coordinate with internal teams and vendors as directed to support day to day operations and project activities.
Maintain awareness of regulatory and compliance requirements relevant to system operations at a foundational level.
Participate in an on call rotation with guidance and support from senior engineering staff.
Perform other job related duties as assigned.

Requirements

What you’ll need

Bachelor’s Degree in computer science, Information Technology, Management Information Systems, OR equivalent combination of education, certifications, and relevant hands-on experience
5+ years supporting enterprise server environments in systems administration, infrastructure operations, or related IT roles
Exposure to enterprise platforms such as IBM Power or HPE NonStop systems is preferred but not required
Experience working with UNIX/Linux operating systems; familiarity with AIX or Guardian OS is a plus
Exposure to or general familiarity with InterSystems Cache or IRIS databases is desirable
Foundational understanding of backup, recovery, monitoring, and availability concepts in enterprise or production environments
Experience using ticketing and incident management systems to support infrastructure operations and service requests
Basic understanding of system security principles, access controls, and operational best practices in regulated environments
Ability to troubleshoot and resolve common infrastructure issues by following documented procedures and escalating complex problems as appropriate
Demonstrated willingness and ability to learn new platforms, tools, and processes in a mission-critical, high-availability environment
Effective written and verbal communication skills, with the ability to collaborate with engineering teams, operations staff, and business stakeholders.

Benefits

Comp & perks

market-competitive and internally equitable total rewards compensation package
well-being and work-life balance
career development and growth
rewards and recognition
commitment to Diversity, Equity and Inclusion