What are the responsibilities and job description for the Systems Engineer position at OSI Digital?
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
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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
- 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
- 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
- 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
- Associate or bachelor’s 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
- Microsoft Certified: Windows Server / Azure
- VMware VCTA/VCP
- CompTIA Network , Security , or Linux
- Veeam Certified Technician (VMCT)
- 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
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