IT Systems Administrator

RPX

$125K — $225K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Information Systems, or equivalent experience
  • 8+ years in IT systems administration and Level 2 help desk support
  • Expertise in mixed Windows and macOS environments
  • Hands-on experience with Windows Server (AD, DNS, DHCP, GPO)
  • Proficient in Azure AD (Entra ID) and Microsoft 365 administration
  • Experience with scripting and automation (PowerShell preferred)
  • Strong understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPNs)

Responsibilities

  • Serve as Level 2 escalation for complex hardware and OS issues
  • Manage Microsoft 365 ecosystem, including Entra ID and Exchange
  • Own device lifecycle management for Windows and macOS
  • Monitor infrastructure for security alerts and lead incident documentation
  • Implement IT controls for SOC 2 and ISO 27001 compliance
  • Administer physical and virtual infrastructure for network performance
  • Automate administrative tasks using scripting languages

Benefits

  • Group health coverage
  • Company HSA contribution
  • 401(k) matching
  • Medical disability and family leave benefits
  • Fitness reimbursement
  • Community service days
  • Charitable donation matching
  • Remote work flexibility or office-based work in San Francisco
Full Job Description
Position at RPX

What you can expect as an IT Systems Administrator:

As an IT Systems Administrator, you will support and maintain the technology environment for a 200 people organization. This role blends hands-on end-user support with systems administration, cloud identity management, security operations, and compliance support. You will serve as an escalation point from Level 1 help desk while also owning core IT systems, automation, and security initiatives.

This position is ideal for someone who enjoys solving complex technical problems, improving operational maturity, and contributing to a secure, compliant, and scalable IT environment.

In this role, you will be responsible for:
  • Advanced Technical Escalation: Serve as the Level 2 escalation point for complex hardware, OS (Windows/macOS), and identity issues, ensuring high-touch resolution and minimal downtime for all end-users.
  • Enterprise Systems Administration: Manage and maintain the Microsoft 365 ecosystem, including Entra ID (Azure AD), Exchange, Teams, and SharePoint, while overseeing core Windows Server services (AD, DNS, DHCP, and GPOs).
  • Endpoint & Lifecycle Management: Own the full device lifecycle for Windows and macOS notebooks using MDM tools like Intune to automate provisioning, patching, and vulnerability remediation.
  • Security & Incident Response: Proactively monitor infrastructure health and security alerts (EDR/NGAV), leading the triage, investigation, and documentation of incidents to protect company data.
  • Compliance & Audit Readiness: Implement and enforce IT controls aligned with SOC 2 and ISO 27001 standards, partnering with HR, Legal, and Finance to ensure audit-ready documentation and evidence collection.
  • Infrastructure & Network Support: Administer critical physical and virtual infrastructure, including firewalls, switches, and VMware platforms, to ensure high availability and performance across the network.
  • Automation & Process Optimization: Identify opportunities to automate routine administrative tasks using PowerShell, Bash, or APIs to improve team efficiency and operational maturity.
  • Strategic Risk Management: Support business continuity and disaster recovery processes while participating in IT roadmap planning to align technical goals with organizational growth.

Do you have the experience to join our team?

Minimum Qualifications:
  • Bachelor's degree in Computer Science, Information Systems, or equivalent practical experience
  • 8+ years of experience in IT systems administration and Level 2 help desk support
  • Strong experience supporting mixed Windows and macOS environments
  • Hands-on experience with:
    • Windows Server (AD, DNS, DHCP, GPO)
    • Azure AD (Entra ID), Microsoft 365, Office 365 administration
    • Endpoint management and MDM solutions
    • Help desk / ticketing systems (e.g., ServiceNow, Jira Service Management, ServiceDesk)
  • Scripting and automation experience (PowerShell strongly preferred)
  • Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPNs)
  • Experience with identity protocols (SAML, OAuth, OpenID Connect)
  • Ability to document systems, processes, and incidents clearly and thoroughly

Preferred Qualifications:
  • Experience supporting SOC 2 and/or ISO 27001 compliance programs
  • Familiarity with security tooling such as EDR/XDR (e.g., CrowdStrike), SIEM, and vulnerability scanners
  • Experience with:
    • Intune, Kandji, or similar device management platforms
    • Cloud backup and DR solutions
    • VMware or cloud IaaS platforms (AWS, Azure)
  • Familiarity with Linux and scripting is a plus.
  • Prior experience in a SaaS or mid-size corporate environment

Interested in learning moreabout us?

In compliance with CA Pay Transparency, the RPX target budgeted salary for this position is $160,000 to $175,000 depending on skills and experience and the RPX base salary range is $125,000 to $225,000. In addition to base salary, we offer an annual bonus opportunity and comprehensive benefits and perks, including group health coverage, company HSA contribution, 401(k) matching, medical disability and family leave benefits, fitness reimbursement, community service days, charitable donation matching, and more, as well as the option to work remotely or from our beautiful San Francisco office.

All employees are required to provide proof of authorization to work in the U.S. within their first 3 days of work. Please note that RPX does not sponsor employees for work visas or permanent resident cards to work in the U.S. If you require sponsorship for a work visa or green card, you will not be qualified for employment with RPX.

Similar Jobs

More Information Technology Jobs

Find similar IT Systems Administrator jobs: