Tech Tammina

Senior Systems Administrator

Company : Tech Tammina

Location : Costa Mesa, CA

Job Type : Other

Date Posted : 28 May 2026

Senior Systems Administrator

Support of 3-tiered 24/7/365 high-availability environments including 24/7 on-call rotation

Configuration and maintenance of common applications such as Apache, MySQL, NFS, NTP, SSH, DNS, and SNMP

Middle-Tier Administration as well as Application Support and deployment

Self-guided triage and follow-through skills to best respond to assigned duties

Large-scale backup solutions and storage technologies

Linux /Ubuntu/CentOS administration of 200+ servers on Enterprise level

Administration of virtualized infrastructure for non-production/production environments

Configuration Management tools

AWS Services (API's, IAM, EC2, VPC, SG's, etc...) is a MUST!

Automation of tools for monitoring, process and documentation

System security techniques and best practices

Support of 3-tiered 24/7/365 high-availability website and application environments

Handling all aspects of systems administration, including maintenance of Linux / Ubuntu/CentOS servers, MySQL Servers, back-up and restoration procedures, and scripting

Maintenance of web, J2EE and custom application, mail, local hosted DNS and database servers

Administration of AWS instances, load balancers, S3, RDS and other Amazon services.

Maintaining data files and monitor system configuration to ensure data integrity

Installation, deployment and maintenance of hardware, operating systems, middleware and software

Participation in departmental and site-wide projects

Ability to manage timelines and milestones in multiple projects

Configuring, installing and maintaining Linux/Ubuntu/tomcat/Java stacks on vmware and AWS environments, private hosted environments and helping associates understand the operations of the various systems.

Candidate should possess ability to troubleshooting related application and network problems.