IT Systems Administrator

TetraMem Inc.; San Jose (CA); On-site; USD 110,000 - 140,000; Full time

Job summary

TetraMem Inc. in San Jose, CA is seeking an IT Systems Administrator with 2–3 years of enterprise IT experience to support our internal IT infrastructure and daily operations.

You will manage user accounts, network services, security, and endpoints to keep employees productive and secure. The role collaborates with HR, Facilities, and Operations on onboarding/offboarding, office expansion, and IT security initiatives, while maintaining asset inventories, documenting procedures, and coordinating

Qualifications

• Bachelor's degree in IT or related field.
• 2–3 years of enterprise IT infrastructure experience.
• Experience with SSO, AD, Entra ID, Google Workspace.
• Experience with Wi‑Fi, VPNs, firewalls, switches, routers.
• Experience supporting Windows, macOS, and Linux.
• Knowledge of M365, Google Workspace, endpoint management, and asset management.
• Strong troubleshooting and customer service skills.

Responsibilities

• Administer and maintain IT infrastructure including laptops, desktops, printers, conference room systems, Wi‑Fi networks, and office tech.
• Onboard/offboard employees by provisioning accounts and devices; manage access and device deactivation.
• Manage IAM solutions including SSO, MFA, directory services, and user permissions.
• Configure and troubleshoot network infrastructure, Wi‑Fi, VPN, and firewall security.
• Install and maintain Windows, macOS, and Linux workstations and collaboration tools.
• Provide 1st/2nd line technical support for hardware, software, and network issues.
• Maintain IT asset inventory, licenses, and SOPs; ensure security policy compliance.
• Coordinate with vendors and MSPs for maintenance and upgrades.
• Monitor performance, security alerts, backups, patching, antivirus, and EDR.
• Recommend improvements to IT infrastructure, cybersecurity, automation, and end-user support.

Skills

IT infrastructure

SSO

Active Directory

Azure AD

Google Workspace

Windows/macOS/Linux

Education

Bachelor's degree in IT/CS/IS/CE

Tools

PowerShell

Bash

Python

Endpoint management

Job description

TetraMem is seeking an IT Systems Administrator with 2–3 years of experience to support the company's internal IT infrastructure and daily operations. The ideal candidate will manage user accounts, network services, security, and endpoint devices while ensuring employees have a reliable and secure IT environment. This role will work closely with HR, Facilities, and Operations to support employee onboarding, offboarding, office expansion, and IT security initiatives.

Responsibilities

Administer and maintain the company's IT infrastructure, including laptops, desktops, printers, conference room systems, Wi-Fi networks, and office technology.

Manage employee onboarding and offboarding by provisioning user accounts, configuring devices, assigning system access, and ensuring timely account deactivation and asset recovery.

Administer identity and access management solutions, including Single Sign-On (SSO), multi-factor authentication (MFA), directory services, and user permissions.

Configure, monitor, and troubleshoot network infrastructure, including Wi-Fi access points, switches, VPN connectivity, and firewall security to ensure reliable and secure operations.

Install, configure, and maintain Windows, macOS, and Linux workstations, Microsoft 365, Google Workspace, collaboration tools, and endpoint management solutions.

Provide first- and second-level technical support by diagnosing and resolving hardware, software, network, and security-related issues in a timely manner.

Maintain IT asset inventory, software licenses, system documentation, and standard operating procedures while ensuring compliance with company security policies.

Coordinate with external IT vendors, internet service providers, cloud service providers, and managed service partners to support infrastructure maintenance and system upgrades.

Monitor system performance, security alerts, backups, patch management, antivirus protection, and endpoint security to maintain a secure computing environment.

Recommend and implement continuous improvements to IT infrastructure, cybersecurity, automation, and end-user support to enhance operational efficiency and support the company's growth.

Required Qualifications

Bachelor's degree in Information Technology, Computer Science, Information Systems, Computer Engineering, or a related field.

2–3 years of experience supporting enterprise IT infrastructure and end-user systems.

Experience administering Single Sign-On (SSO), Active Directory, Microsoft Entra ID (Azure AD), Google Workspace, or similar identity management platforms.

Experience managing Wi-Fi networks, VPNs, firewalls, switches, routers, and network troubleshooting.

Experience supporting Windows, macOS, and Linux operating systems.

Knowledge of Microsoft 365, Google Workspace, endpoint management, and IT asset management.

Strong troubleshooting, analytical, and problem-solving skills.

Excellent customer service, communication, and organizational skills.

Ability to work independently and effectively in a fast-paced startup environment.

Preferred Qualifications

Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP).

Experience with Mobile Device Management (MDM) solutions such as Microsoft Intune, Jamf, or Kandji.

Familiarity with cybersecurity best practices, endpoint protection, vulnerability management, and disaster recovery.

Experience with scripting or automation using PowerShell, Bash, or Python.

Industry certifications such as CompTIA Network+, Security+, Microsoft Certified, Cisco CCNA, or equivalent are a plus.

Salary Range:

$110,000 - $140,000 / year

TetraMem celebrates diversity and is committed to creating an inclusive environment for all employees. We are proud to be an Equal Opportunity Employer and welcome applicants from all backgrounds. Qualified candidates will receive consideration for employment without regard to race, color, religion, creed, sex, gender identity or expression, sexual orientation, national origin, ancestry, age, marital status, medical condition, disability, genetic information, military or veteran status, or any other characteristic protected by applicable federal, state, or local law.
TetraMem is committed to providing reasonable accommodations to qualified applicants with disabilities throughout the recruitment process. Applicants requiring accommodation may contact Human Resources for assistance.