Cathay Bank · 8 hours ago
Sr. System Administrator
Rosemead, CA, USA
Full-time
Onsite
Senior Level
$48.08/hr - $55.77/hr
5+ years expCathay Bank is a financial institution that values its people and fosters growth and development. The Senior System Administrator is responsible for managing in-house computer software systems and servers, ensuring high availability and security of business applications, while also participating in the planning and implementation of guidelines and procedures.
FinanceBankingFinancial Services
Responsibilities
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, EM+S, 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
Qualification
Required
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
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 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
Preferred
Bachelor's Degree preferred
Microsoft and VMWare certification is a plus but not required
Benefits
Medical insurance
Dental insurance
Vision insurance
Life insurance
Long-term disability insurance
Flexible spending accounts (FSAs)
Health saving account (HSA) with company contributions
Voluntary coverages
401(k)
Company
Cathay Bank
Cathay Bank is a financial services company originally founded to support Los Angeles’ growing Chinese American community. It is a sub-organization of Cathay General Bancorp.
1001-5000 employees
H1B Sponsorship
Cathay Bank has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2020 (1)
Funding
Current Stage
Late StageLeadership Team
A
Albert Wang
EVP & Deputy CFO
Recent News
Morningstar.com
2025-11-10
The Real Deal
2025-10-26
Company data provided by crunchbase