TEKsystems
Join to apply for the
Systems Administrator
role at
TEKsystems
2 days ago Be among the first 25 applicants
Join to apply for the
Systems Administrator
role at
TEKsystems
Description Job Title: System Administrator
Department: IT Infrastructure & Operations
Purpose The System Administrator is responsible for architecting, implementing, and maintaining the organization’s enterprise systems and infrastructure to ensure optimal performance, scalability, and security. This role provides leadership across virtualization, systems, and storage management—supporting mission‑critical workloads and driving modernization through automation, observability, and standardization. The System Administrator serves as a technical escalation point, mentors junior team members, and ensures adherence to corporate cybersecurity and compliance standards.
Essential Functions Infrastructure & Systems Management
Design, configure, and maintain VMware vSphere, ESXi, and vCenter environments.
Administer Windows Server (2016/2019/2022) and Linux (RHEL, Ubuntu, CentOS) systems, including patching, configuration, and security hardening.
Manage Active Directory, Group Policy, DNS, and DHCP for secure identity and network operations.
Implement and maintain Veeam Backup & Replication for enterprise‑class backup and disaster recovery.
Support enterprise SAN/NAS storage systems, ensuring high availability and lifecycle optimization.
Network & Security
Configure and maintain firewalls, VPNs, and network appliances (Cisco, Fortinet, Palo Alto).
Work with the Cybersecurity team to ensure system patching, endpoint protection, and compliance with DMARC/SPF/DKIM standards.
Monitor system and network performance proactively and perform capacity planning.
Maintain strict system hardening, access control, and audit compliance.
Automation, Monitoring & Reliability
Develop automation scripts using PowerShell, Bash, or Ansible to streamline system operations.
Implement and maintain monitoring and observability tools such as SolarWinds, Dynatrace, Grafana, or Splunk.
Lead root cause analysis and implement preventive and corrective actions for high‑impact incidents.
Participate in continuous improvement initiatives for infrastructure automation and operational resilience.
Leadership & Collaboration
Serve as Tier‑3 escalation for complex infrastructure and system issues.
Collaborate with IT leadership to define infrastructure strategy, capacity planning, and modernization initiatives.
Mentor junior administrators and ensure operational standards and documentation are maintained.
Participate in on‑call rotation and perform after‑hours maintenance as required.
Qualifications Education
Bachelor’s degree in Computer Science, Information Technology, or a related discipline (or equivalent professional experience).
Experience
7+ years of experience in enterprise‑scale system administration, virtualization, and infrastructure management.
Strong hands‑on expertise in VMware, Windows Server, Linux, and Veeam.
Experience managing hybrid cloud environments (Azure or AWS).
Familiarity with ITIL‑based processes, change management, and incident management frameworks.
Certifications (Preferred)
VMware Certified Professional (VCP)
Microsoft Certified: Windows Server Hybrid Administrator / Azure Administrator
Red Hat Certified System Administrator (RHCSA)
Veeam Certified Engineer (VMCE)
Cisco CCNA/CCNP or CompTIA Security+
Core Competencies
Advanced knowledge of enterprise infrastructure architecture and operations.
Deep understanding of virtualization, networking, and cybersecurity principles.
Strong analytical, documentation, and troubleshooting skills.
Excellent communication and leadership skills with a focus on accountability and service excellence.
Proven ability to manage multiple priorities in a fast‑paced environment.
Work Environment
This position requires on‑site presence five (5) days per week at the designated office or data center location.
Participation in after‑hours maintenance and on‑call rotation is required.
Occasional travel to remote facilities or data centers may be necessary.
Must be able to lift up to 40 lbs and perform hardware installations when needed.
Tools & Technologies Summary Virtualization
VMware vSphere, ESXi, vCenter, Hyper‑V
Server Administration
Windows Server 2016/2019/2022, Linux (RHEL, Ubuntu, CentOS)
Backup & Recovery
Veeam Backup & Replication, Azure Backup
Networking & Security
Cisco Firewalls & Switches, Fortinet, Palo Alto, VPN, DMARC/SPF/DKIM
Storage Systems
SAN, NAS, iSCSI, RAID Configurations
Automation & Scripting
PowerShell, Bash, Ansible
Monitoring & Observability
SolarWinds, Dynatrace, Grafana, Splunk
Cloud & Identity
Azure AD, Microsoft 365, Intune, Entra ID
Collaboration Tools
ServiceNow, Microsoft Teams, SharePoint, Confluence
Process Frameworks
ITIL, Change Management, Incident Response
Additional Skills & Qualifications
Certs are preferred but not required.
Experience Level: Intermediate.
Job Type & Location
Contract to Hire position based out of San Diego, CA.
Pay And Benefits
Pay range: $45.00 – $50.00/hr.
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long‑term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
About TEKsystems We’re partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
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Systems Administrator
role at
TEKsystems
2 days ago Be among the first 25 applicants
Join to apply for the
Systems Administrator
role at
TEKsystems
Description Job Title: System Administrator
Department: IT Infrastructure & Operations
Purpose The System Administrator is responsible for architecting, implementing, and maintaining the organization’s enterprise systems and infrastructure to ensure optimal performance, scalability, and security. This role provides leadership across virtualization, systems, and storage management—supporting mission‑critical workloads and driving modernization through automation, observability, and standardization. The System Administrator serves as a technical escalation point, mentors junior team members, and ensures adherence to corporate cybersecurity and compliance standards.
Essential Functions Infrastructure & Systems Management
Design, configure, and maintain VMware vSphere, ESXi, and vCenter environments.
Administer Windows Server (2016/2019/2022) and Linux (RHEL, Ubuntu, CentOS) systems, including patching, configuration, and security hardening.
Manage Active Directory, Group Policy, DNS, and DHCP for secure identity and network operations.
Implement and maintain Veeam Backup & Replication for enterprise‑class backup and disaster recovery.
Support enterprise SAN/NAS storage systems, ensuring high availability and lifecycle optimization.
Network & Security
Configure and maintain firewalls, VPNs, and network appliances (Cisco, Fortinet, Palo Alto).
Work with the Cybersecurity team to ensure system patching, endpoint protection, and compliance with DMARC/SPF/DKIM standards.
Monitor system and network performance proactively and perform capacity planning.
Maintain strict system hardening, access control, and audit compliance.
Automation, Monitoring & Reliability
Develop automation scripts using PowerShell, Bash, or Ansible to streamline system operations.
Implement and maintain monitoring and observability tools such as SolarWinds, Dynatrace, Grafana, or Splunk.
Lead root cause analysis and implement preventive and corrective actions for high‑impact incidents.
Participate in continuous improvement initiatives for infrastructure automation and operational resilience.
Leadership & Collaboration
Serve as Tier‑3 escalation for complex infrastructure and system issues.
Collaborate with IT leadership to define infrastructure strategy, capacity planning, and modernization initiatives.
Mentor junior administrators and ensure operational standards and documentation are maintained.
Participate in on‑call rotation and perform after‑hours maintenance as required.
Qualifications Education
Bachelor’s degree in Computer Science, Information Technology, or a related discipline (or equivalent professional experience).
Experience
7+ years of experience in enterprise‑scale system administration, virtualization, and infrastructure management.
Strong hands‑on expertise in VMware, Windows Server, Linux, and Veeam.
Experience managing hybrid cloud environments (Azure or AWS).
Familiarity with ITIL‑based processes, change management, and incident management frameworks.
Certifications (Preferred)
VMware Certified Professional (VCP)
Microsoft Certified: Windows Server Hybrid Administrator / Azure Administrator
Red Hat Certified System Administrator (RHCSA)
Veeam Certified Engineer (VMCE)
Cisco CCNA/CCNP or CompTIA Security+
Core Competencies
Advanced knowledge of enterprise infrastructure architecture and operations.
Deep understanding of virtualization, networking, and cybersecurity principles.
Strong analytical, documentation, and troubleshooting skills.
Excellent communication and leadership skills with a focus on accountability and service excellence.
Proven ability to manage multiple priorities in a fast‑paced environment.
Work Environment
This position requires on‑site presence five (5) days per week at the designated office or data center location.
Participation in after‑hours maintenance and on‑call rotation is required.
Occasional travel to remote facilities or data centers may be necessary.
Must be able to lift up to 40 lbs and perform hardware installations when needed.
Tools & Technologies Summary Virtualization
VMware vSphere, ESXi, vCenter, Hyper‑V
Server Administration
Windows Server 2016/2019/2022, Linux (RHEL, Ubuntu, CentOS)
Backup & Recovery
Veeam Backup & Replication, Azure Backup
Networking & Security
Cisco Firewalls & Switches, Fortinet, Palo Alto, VPN, DMARC/SPF/DKIM
Storage Systems
SAN, NAS, iSCSI, RAID Configurations
Automation & Scripting
PowerShell, Bash, Ansible
Monitoring & Observability
SolarWinds, Dynatrace, Grafana, Splunk
Cloud & Identity
Azure AD, Microsoft 365, Intune, Entra ID
Collaboration Tools
ServiceNow, Microsoft Teams, SharePoint, Confluence
Process Frameworks
ITIL, Change Management, Incident Response
Additional Skills & Qualifications
Certs are preferred but not required.
Experience Level: Intermediate.
Job Type & Location
Contract to Hire position based out of San Diego, CA.
Pay And Benefits
Pay range: $45.00 – $50.00/hr.
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long‑term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
About TEKsystems We’re partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
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