We are seeking a Senior Systems Administrator to backfill and cover day-to-day system administration tasks while the core team focuses on a new imaging archive project. This role requires strong Linux/Windows administration skills, troubleshooting, documentation, and cross-functional communication. The ideal candidate is a proactive generalist who can manage diverse infrastructure tasks, triage tickets, and ensure operational stability.

Contract Length: 1+ year

Pay Rate: $70+/hour

Location: San Francisco, CA (Hybrid, 2 days/week onsite) 

Responsibilities

• Assist in security scanning and apply security controls to prevent unauthorized access.
• Provide day-to-day system administration support, including troubleshooting, maintenance, and routine updates.
• Support system and network operations, including Windows Server 2019, Linux, RedHat, VMware, MSSQL, and Cisco IOS.
• Perform vulnerability assessments using Tenable and implement necessary security patches.
• Configure and manage firewalls and security policies (Palo Alto, Panorama).
• Maintain storage and backup systems (NetApp).
• Collaborate with cross-functional IT teams to ensure seamless integration and performance across applications and infrastructure.
• Monitor and respond to ServiceNow tickets, emails, and system alerts.
• Document system configurations, troubleshooting steps, and best practices.
• Assist with system upgrades, new software implementations, and rollouts.
• Participate in security risk assessments and compliance reviews.

Requirements

• Strong system administration and troubleshooting experience
• Proficiency in Linux and Windows environments (50/50 split, stronger in Linux preferred)
• Experience with ServiceNow CMDB (updating records, reports, queries)
• Strong documentation and communication skills
• Experience with storage and virtualization technologies
• Ability to manage contingencies and audit application/system processes
• Self-starter with experience triaging and resolving diverse issues

Nice to Haves

• Experience configuring networking switches
• Knowledge of imaging environments (not required, but helpful)
• Exposure to multi-cloud environments and virtualization-agnostic technologies
• Background in auditing and compliance processes
• Prior experience supporting large-scale application/software rollouts