Systems Administrator - Windows & Networking

After School Matters, Inc.
San Diego, CA, United States
15 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
5 years minimum
Working hours
Regular working hours
Languages
Spanish

Tech stack

Microsoft Windows Access Network Active Directory Application Layers Backup Devices Information Systems Dynamic Host Configuration Protocol Disaster Recovery Domain Name System (DNS) Hyper-V Subnetting Virtual Private Networks (VPN)
+21 more
Network Troubleshooting Microsoft Software Windows Servers Network Configuration and Change Management Network Connections Routing TCP/IP Transmission Control Protocol (TCP) Virtual Local Area Networks Virtualization Technology Network Switches Enterprise Software Applications Software Troubleshooting Firewalls (Computer Science) Information Technology Firewall Services Module Network Server Cisco Servicenow User Accounts Vmware

Job description

  • 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.

Requirements

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., * 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., 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.

Benefits & conditions

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

  • A “disabled veteran” is one of the following:
  • a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
  • a person who was discharged or released from active duty because of a service-connected disability.
  • A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran’s discharge or release from active duty in the U.S. military, ground, naval, or air service.
  • An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
  • An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

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