Admin assistant Jobs in Pasadena, CA

Benefits:

• Competitive salary
• Health insurance
• Training & development

Responsibilities
 Install, configure, and manage Windows and Linux servers (physical & virtual)
Perform system builds, patching, upgrades, vulnerability management, and
lifecycle management
Manage Active Directory / LDAP and implement identity & access controls
Monitor server performance, availability, and capacity metrics
 Manage, monitor, and troubleshoot VMware environments (ESXi hosts, clusters,
VMs)
Perform VM provisioning, cloning, and migrations (vMotion, Storage vMotion)
Manage VMware clusters (HA, DRS, resource pools)
Monitor and optimize virtualization performance and availability
 Support and maintain enterprise storage platforms (SAN/NAS/Object storage,
e.g., PowerFlex)
Perform LUN provisioning, zoning, masking, and volume management
Manage storage capacity, upgrades, replication, snapshots, and performance
tuning
Identify and resolve storage space constraints and performance issues
 Configure and manage enterprise backup solutions (Dell PowerProtect preferred)
Implement secure and air-gapped backup strategies
Perform backup monitoring, restore validation, and compliance checks
Execute VM/file-level restores, DR testing, failover, and failback operations
Maintain disaster recovery strategies and resiliency planning
 Administer servers, workstations, and network-connected systems
Support endpoint and security tools (Defender, CrowdStrike)
Implement RBAC, security controls, encryption, and compliance requirements
 Support enterprise applications (RightFax, Kofax, OpenText)
Assist with platform upgrades, integrations, and performance tuning
Collaborate with application teams for system stability and availability


 Support data center operations including migrations, decommissioning, and
relocations
Assist in EOL transitions, rack decommissioning, and secure system movement
Participate in migration planning and execution activities
 Monitor infrastructure health across compute, storage, virtualization, and
applications
Troubleshoot multi-layer issues (VMware, storage latency, connectivity,
application failures)
Provide L2/L3 support, incident resolution, and root cause analysis
 Perform patching, upgrades, performance tuning, and lifecycle management
Maintain infrastructure documentation, SOPs, and runbooks
Handle capacity planning and forecasting
 Support ITSM processes (incident, problem, change, release management)
Ensure CMDB is updated and aligned with infrastructure and cloud environments
 Develop automation scripts (PowerShell, Bash, Python)
Improve provisioning efficiency and integrate tools using APIs
 Collaborate with infrastructure, security, cloud, and service delivery teams
Ensure system availability, performance, and service continuity


Skills & Qualifications
 Strong VMware administration experience (ESXi, vCenter, clusters, HA, DRS)
Hands-on experience with enterprise storage systems (PowerFlex, EMC,
NetApp, etc.)
Strong knowledge of SAN/NAS, RAID, iSCSI, Fibre Channel
 Experience with enterprise backup platforms (Dell PowerProtect preferred)
Knowledge of backup compliance, air-gapped backups, and disaster recovery
testing
 Proficiency in Windows and Linux server administration
Experience managing Active Directory / LDAP and access controls
 Experience with endpoint/security tools (Defender, CrowdStrike)
Strong understanding of infrastructure security and compliance practices
 Ability to support enterprise applications (RightFax, Kofax, OpenText)
Experience with application integrations and platform support
 Strong troubleshooting skills across compute, virtualization, storage, and
applications
Ability to perform root cause analysis and documentation
 Experience with ITSM tools/processes (incident, change, problem management)
Familiarity with monitoring and infrastructure management tools


 Scripting and automation experience (PowerShell, Bash, Python, REST APIs)
Exposure to cloud and hybrid environments (AWS/Azure is a plus)
 Strong communication, documentation, and collaboration skills


Preferred Experience
Experience with data center migration, consolidation, and EOL transitions.
Knowledge of networking fundamentals (VLANs, DNS, firewalls).
Experience working in regulated or compliance-driven environments