Systems Engineer

OSI Digital
San Diego, CA

Role: Systems Administrator
Location: San Diego CA - 5 days onsite
Type: Contract/CTH

Job Description:
The System Administrator is responsible for supporting maintaining and improving core infrastructure including servers virtualization platforms storage identity services and endpoint systems. This role ensures the stability availability and security of enterprise systems through routine administration proactive monitoring documentation and adherence to IT standards. They will work closely with senior engineers and the cybersecurity team to maintain daily operations resolve Tier-2 issues and support key infrastructure initiatives. ESSENTIAL FUNCTIONS
Infrastructure & Systems Support
  • Strong experience in administering and maintaining Windows Server and Linux systems; perform routine patching updates and system configuration.
  • Hands on experience supporting VMware ESXi vCenter and virtual server operations including provisioning snapshots and performance checks.
  • Assist with Veeam Backup & Replication job monitoring restores and backup validation tasks.
  • Strong experience maintaining Active Directory Group Policy DNS DHCP and identity-related configuration changes.
  • Perform hardware installation racking cabling and lifecycle maintenance for servers and storage.
Network & Security
  • Support firewall VPN and network appliance operations (Cisco / Fortinet / Palo Alto) under senior engineer guidance.
  • Ensure systems meet security hardening standards and participate in patch compliance activities.
  • Assist with troubleshooting endpoint protection email security (DMARC/SPF/DKIM) and vulnerability remediation.
Monitoring Documentation & Operations
  • Monitor system performance using tools such as SolarWinds Grafana or Dynatrace and escalate anomalies.
  • Document configurations SOPs diagrams and asset changes in ServiceNow and Confluence.
  • Perform Tier-2 troubleshooting for server application and endpoint issues; escalate when needed.
  • Participate in disaster recovery tests and support backup verification activities.
Collaboration & Service Delivery
  • Work closely with senior administrators on infrastructure modernization patch campaigns server migrations and cloud projects.
  • Provide high-quality service to internal customers and support cross-functional IT initiatives.
  • Participate in on-call rotation and after-hours maintenance windows.
Education and Experience
  • Associate or bachelors degree in IT Computer Science or related discipline
  • 3-5 years of experience in system administration in a medium or enterprise environment. Strong experience with Windows Server Linux VMware and Active Directory.
  • Strong experience with security frameworks patch management and system hardening.
Certifications (Preferred)
  • Microsoft Certified: Windows Server / Azure
  • VMware VCTA/VCP
  • CompTIA Network Security or Linux
  • Veeam Certified Technician (VMCT)
WORK ENVIRONMENT
  • On-site presence required 5 days a week.
  • Participation in after-hours maintenance and on-call rotation.
  • Occasional travel to facilities or data centers.
  • Must be able to lift up to 40 lbs for hardware installation tasks.

Required Experience:

Senior IC

Posted 2025-11-21

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