System Administrator

SWENSON

San Jose (CA)

On-site

USD 75,000 - 95,000

Full time

14 days+

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Job summary

SWENSON is seeking an experienced IT Operations & Infrastructure specialist in San Jose, California to manage and support the company's IT systems across multiple offices and job sites. The role covers Windows Server, Active Directory, VMware, Cisco networking, Google Workspace, and field deployments.

You will lead daily IT operations, enforce cybersecurity practices, provide tier 1–3 helpdesk, maintain documentation, and coordinate with vendors.

Qualifications

  • 5–7+ years of experience in network or systems administration.
  • Experience with Windows Server environments and Active Directory.
  • Experience with VMware virtualization.
  • Hands-on experience with Cisco switching and enterprise networks.
  • Experience administering Google Workspace.
  • Experience providing multi-office helpdesk support.
  • Ability to troubleshoot issues across multiple locations.
  • Strong documentation and organizational skills.
  • Valid driver's license and travel across Bay Area.

Responsibilities

  • Manage and maintain IT infrastructure across offices.
  • Oversee daily IT operations to ensure reliability and security.
  • Administer Windows Server, Active Directory, and VMware environments.
  • Maintain Google Workspace administration and security policies.
  • Monitor system health, uptime, and performance across locations.
  • Provide Tier 1–3 helpdesk support to staff and approved users.
  • Plan and deploy IT at construction job sites and field offices.
  • Coordinate with vendors and manage IT assets and inventory.

Skills

Networking
System administration
Troubleshooting
Documentation
Communication
Travel flexibility

Tools

Windows Server
Active Directory
VMware
Cisco switching
Google Workspace
Helpdesk ticketing system

Job description

Key Responsibilities
IT Operations & Infrastructure
  • Manage and maintain network, servers, systems, and core IT infrastructure.
  • Oversee daily IT operations, ensuring systems are reliable, secure, and available to staff.
  • Administer and maintain Windows Server environments, Active Directory services, and VMware virtual infrastructure.
  • Maintain and support Google Workspace administration, including user management, security policies, and collaboration tools.
  • Monitor system health, performance, and uptime across all locations.
  • Maintain IT documentation including network diagrams, system configurations, procedures, and asset inventories.
  • Implement and enforce IT policies, cybersecurity practices, and access control standards.
  • Provide Tier 1–3 helpdesk support for internal employees and approved external users.
  • Troubleshoot hardware, software, network, and connectivity issues across offices and job sites.
  • Support employees with workstations, laptops, mobile devices, printers, and applications.
  • Manage onboarding and offboarding including account provisioning, device setup, and access management.
  • Maintain a helpdesk ticketing system and ensure timely resolution of support requests.
Network & Systems Administration
  • Manage and support Cisco switching infrastructure, firewalls, and networking hardware.
  • Maintain and troubleshoot LAN/WAN connectivity, VPN access, and Wi‑Fi networks across offices and job sites.
  • Perform system updates, patch management, and security maintenance.
  • Manage backup systems, disaster recovery procedures, and system monitoring tools.
Business Application Support
  • Support and maintain enterprise applications including:
  • Architecture Software and BIM Collaborate Pro
  • Cloud SaaS Solutions & Applications
  • Google Workspace collaboration tools
  • VMWare Systems and Applications
  • Additional internal business, real estate, and construction management systems such as Procore, Yardi, Autodesk
  • Work with departments to troubleshoot software issues and improve system usage.
Hardware & Asset Management
  • Procure, deploy, and maintain IT hardware including laptops, desktops, servers, networking equipment, and mobile devices.
  • Maintain hardware inventory, lifecycle management, and replacement planning.
  • Configure and deploy systems using standardized imaging and deployment processes.
Job Site IT Deployments & Connectivity
  • Lead the planning, setup, and deployment of IT infrastructure at construction job sites.
  • Coordinate with internet service providers (ISPs) to establish connectivity for new project locations.
  • Manage job site network setup including routers, switching, Wi‑Fi, and communications systems.
  • Oversee job site IT projects from initial planning through project completion, ensuring reliable connectivity and technology support.
  • Provide onsite troubleshooting and support for field teams and project staff.
  • Coordinate with IT vendors, telecom providers, and ISPs for procurement, troubleshooting, and service management.
  • Manage vendor relationships and ensure services meet company requirements.
Required Qualifications
  • 5–7+ years of experience in network administration, systems administration, or IT infrastructure support.
  • Experience managing Windows Server environments and Active Directory services.
  • Experience with VMware virtualization platforms.
  • Hands‑on experience with Cisco switching and enterprise network infrastructure.
  • Experience administering Google Workspace environments.
  • Experience providing helpdesk support and direct user support in a multi‑office environment.
  • Ability to troubleshoot hardware, networking, and systems issues across multiple locations.
  • Strong documentation, communication, and organizational skills.
  • Valid driver’s license and ability to travel between offices and job sites across the Bay Area.
Preferred Qualifications
  • Experience supporting construction, engineering, architecture, or real estate organizations.
  • Experience supporting Yardi or other real estate/property management systems.
  • Familiarity with network security, endpoint protection, and backup solutions.
  • Experience deploying temporary or field office networks for construction sites.
  • Relevant certifications such as CompTIA Network+, Microsoft, VMware, or Cisco certifications.
  • Full‑time onsite role based primarily in San Jose, California.
  • Regular travel to Santa Cruz office and construction job sites throughout the Bay Area.
  • Combination of office‑based support, infrastructure management, and field deployments.

Occasional after-hours maintenance or emergency support may be required. Pay Range: $75,000-$95,000

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