Senior System Administrator
Company: Cathay General Bancorp
Location: Rosemead
Posted on: February 15, 2026
|
|
|
Job Description:
The Senior System Administrator’s role is to manage in-house
computer software systems, servers, storage devices and server
connections to ensure high availability and security of the
supported business applications. This individual also participates
in the planning and implementation of guidelines and procedures to
ensure system provisioning and maintenance that is consistent with
company goals, industry best practices, and regulatory
requirements. Responsible for providing direction and guidance, as
well as serves as point person during project implementation.
Provides input into the development, implementation and execution
of procedures, strategies, and specific objectives. ESSENTIAL
FUNCTIONS • Operate as a key team member, responsible for
infrastructure, support and service needed to achieve
organizational objectives. • Serve as a technology consultant, in
the role of supporting the networks and other technology assets. •
Provide technical expertise and assistance on escalated tickets. •
Ensure critical issues are resolved, meeting service level
agreements. • Monitor and summarize the progress of all projects. •
Build and maintain working relationships with team members,
vendors, and others involved in the projects. • Troubleshoot
complex software, hardware, and network issues. • Design,
implement, configure, and maintain various Azure SaaS Cloud
Services such as Azure AD, AIP, ATP, ASR, CAS, EMS, Teams, Intune,
AAD Connect, Exchange Online and O365. • Deploy and maintain Azure
IaaS Virtual Machines and Azure Application and Networking Services
to support growth into the cloud. • Research products and new
technologies to increase efficiency of business and operations. •
Be the escalation point for other IT Systems Engineers and Service
Desk Engineers. • Monitor the performance of Exchange servers to
ensure that they meet performance standards, such as response time
for messages sent between servers. • Install new applications on
the Exchange server or upgrading existing applications. • Provide
technical support for Exchange server administration issues to
users who are having trouble accessing email or other applications.
• Install new hardware components on Exchange servers to increase
their storage capacity or processing speed. • Maintain Exchange
server security by monitoring activity on the system and updating
anti-virus software regularly. • Monitor Exchange server
performance to ensure that it meets requirements for speed and
reliability. • Administration of windows server (Active Directory,
Domain Controllers, Group Policy). • Be the point person for
Disaster Recovery. This includes the recovery of production servers
and services until they are up and running before handing them over
to the server owners. • Manage the physical and virtual environment
(VMware) of 300 plus servers. • Manage storage allocations in
accordance with best practices. • Manage vendors, outsourcers, and
contractors to secure software products and services. • Manage the
physical environment of the server racks including cable
management, documentation, labeling, and configuration for console
and remote access. • Perform and test routine system backups and
restores. • Practice server asset management, including maintenance
of server component inventory and related documentation and
technical specifications information. • Recommend, schedule, and
perform software and hardware upgrades, patches and
reconfigurations. • Develop and maintain documentation about
current environment setup, standard operating procedures, and best
practices. • Ensure the security of the server infrastructure by
implementing industry best-practices regarding privacy, security,
and regulatory compliance. QUALIFICATIONS • Education: Bachelor’s
Degree preferred. Microsoft and VMWare certification is a plus but
not required. • Experience: Minimum of five years’ of experience in
server administration. Strong experience managing VMWare
environments, to include managing and supporting vCenter, physical
ESXi hosts and Storage Arrays. Skills/Ability: • Display a wide
degree of creativity and latitude; think independently and ‘outside
the box’ for solutions; use familiarity with a variety of concepts,
practices, and procedures; rely on varied yet sometimes limited
experience and sound judgment to accomplish goals and perform a
variety of tasks. • Proficient in troubleshooting Windows Server
and Desktop operating systems. • Proficient in troubleshooting
server and desktop hardware. • Working knowledge of network
environments. • Stay abreast of technology trends, advances in
technology and best practices. • Ability to perform and/or assist
with the tasks of Engineers and Technicians at prior levels. •
Familiar with managing various SaaS services, including Microsoft
365, spam filtering, managed AV, etc. • Familiar with MS SQL
server, windows clustering, domain controller setup, and group
policy. • Familiar with NAS and SAN storage management, and MS DFS.
• Familiar with managing various SaaS services, including Microsoft
365, Microsoft Azure, spam filtering, managed AV, etc. • Familiar
with VMware Environments. • Familiar with mail migrations and
setup. • Familiar with Active Directory, Domain Controllers, Group
Policy. • Familiar with server administration and deployment. •
Anticipate, mitigate, identify, troubleshoot, and correct hardware
and software issues on servers. • Build and deploy new servers on
the network as needed.
Keywords: Cathay General Bancorp, Cypress , Senior System Administrator, IT / Software / Systems , Rosemead, California
