Systems Administrator – Windows & Networking

Posted 15 Days Ago
Be an Early Applicant
San Diego, CA, USA
In-Office
Senior level
Cloud • Information Technology • Cybersecurity
"Virtue of Creation to Serve"
The Role
Administer and troubleshoot Windows Server environments and core network services (AD, GPO, DNS, DHCP, routing, switching, VPN). Perform patching, backups, DR, and hardware/app support. Use ServiceNow and follow ITIL processes while working with users, vendors, and infrastructure teams and maintaining technical documentation.
Summary Generated by Built In
Systems Administrator with strong Windows Server and Networking experience to support an enterprise IT environment. The ideal candidate will have solid experience administering Windows infrastructure, Active Directory, and core network services, along with strong troubleshooting and customer-facing skills.
 
 
Key Responsibilities
  • Install, configure, administer, and troubleshoot Windows Server environments.
  • Manage Active Directory (AD), Group Policy (GPO), user accounts, security groups, permissions, and access controls.
  • Perform server and system patching, upgrades, maintenance, backup, and disaster recovery activities.
  • Monitor, diagnose, and resolve network connectivity and infrastructure issues.
  • Troubleshoot TCP/IP, DNS, DHCP, routing, switching, and VPN connectivity.
  • Configure and troubleshoot network switches, VLANs, firewall rules, and network access.
  • Support installation, configuration, upgrades, and troubleshooting of enterprise applications, servers, and related hardware.
  • Perform root-cause troubleshooting across Windows, network, hardware, and application layers.
  • Use ServiceNow to log, track, triage, troubleshoot, and resolve incidents and service requests.
  • Follow established ITIL Incident, Change, and Problem Management processes.
  • Work directly with end users, infrastructure teams, vendors, and client stakeholders to resolve technical issues.
  • Maintain accurate technical documentation, troubleshooting procedures, and system/network configuration information.
 
 
Required Qualifications
  • 5+ years of hands-on IT infrastructure experience, preferably in a Systems Administrator, Network Administrator, or Infrastructure Support role.
  • Strong hands-on experience with Windows Server administration.
  • Strong experience with Active Directory, Group Policy, DNS, DHCP, and user/access administration.
  • Strong understanding of TCP/IP networking, subnetting, VLANs, routing, switching, firewalls, and VPNs.
  • Hands-on experience troubleshooting network connectivity and infrastructure issues.
  • Experience with system patching, upgrades, backup, recovery, and infrastructure maintenance.
  • Working experience with ServiceNow for Incident, Request, Problem, and Change Management.
  • Strong troubleshooting and analytical skills with the ability to independently diagnose infrastructure issues.
  • Strong customer service and client-facing communication skills.
  • Strong technical documentation and written/verbal communication skills.
  • Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent professional experience.
 
 
Preferred Qualifications
  • Experience supporting a large enterprise IT environment.
  • Microsoft, Cisco, CompTIA, or equivalent infrastructure certifications are a plus.
  • Experience with virtualization technologies such as VMware or Hyper-V is a plus.
  • Bilingual English/Spanish is a plus.
 
 
Ideal Candidate Profile
This role is best suited for a hands-on infrastructure engineer/administrator who can work across both Windows systems and networking. Candidates should be comfortable independently troubleshooting issues spanning servers, Active Directory, DNS/DHCP, switches, firewalls, VPNs, and end-user connectivity rather than specializing exclusively in one technology.
 

 

Skills Required

  • 5+ years of hands-on IT infrastructure experience
  • Windows Server administration
  • Active Directory, Group Policy, DNS, DHCP, and user/access administration
  • TCP/IP networking, subnetting, VLANs, routing, switching, firewalls, and VPNs
  • Hands-on experience troubleshooting network connectivity and infrastructure issues
  • Experience with system patching, upgrades, backup, recovery, and infrastructure maintenance
  • Working experience with ServiceNow for Incident, Request, Problem, and Change Management
  • Strong troubleshooting and analytical skills to independently diagnose infrastructure issues
  • Strong customer service and client-facing communication skills
  • Strong technical documentation and written/verbal communication skills
  • Bachelor's degree in Computer Science, Information Systems, or related field, or equivalent professional experience
  • Experience supporting a large enterprise IT environment
  • Microsoft, Cisco, CompTIA, or equivalent infrastructure certifications
  • Experience with virtualization technologies such as VMware or Hyper-V
  • Bilingual English/Spanish
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The Company
HQ: Troy, MI
3 Employees
Year Founded: 2024

What We Do

Commservetech's is a global provider of ITES support, cybersecurity solutions, staffing services, enterprise application support, and PMO consulting. We help businesses scale, secure, and streamline operations with tailored, cost-effective services that deliver measurable results. 🌐 IT Helpdesk & Incident Management Level I & II support 24/7 coverage across time zones Voice, email, remote, in-person (North America, India, Malaysia), and ad-hoc support Platforms: Jira, Cherwell, ServiceNow, Zendesk 🔐 Cybersecurity Services Security rationalization (cost savings + efficiency) Deep vulnerability & threat assessments (internal & external) Supply Chain / Manufacturing: best practices Business insurance compatibility assessments GRC policy review & advisory Robust, budget-friendly alternatives to current services 👨‍💻 Staff Augmentation Temporary, Contract-to-Hire & Full-Time placements Specialized in IT & Engineering roles 🧩 SAP & SuccessFactors Support SuccessFactors: Level 2 & 3 support SAP: Basis, FICO, ABAP, S/4 HANA, WMS / EWM 📊 PMO Services Full-spectrum Project Management Office services Strategic alignment, process standardization, and execution excellence Let’s Connect We’re here to power your growth through smart support, secure systems, and the right people. Reach out to see how Commservetech can partner with your organization. 🌐 www.commservetech.com | 📩 [email protected]

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