Senior IT Systems Administrator

Seasats • San Diego, CA

44d • $115,000 - $155,000 • Onsite

About The Position

Seasats is growing rapidly and is seeking a Senior IT Systems Administrator to own and manage its internal IT systems. This role will support approximately 100 employees across various departments, ensuring secure, reliable, and well-supported technology. The administrator will be responsible for day-to-day support, core business system administration, device and account management, network improvements, and security enhancements. The position offers significant autonomy to develop and implement scalable IT strategies. The ideal candidate is proactive, enjoys problem-solving, and is keen on maturing enterprise IT processes.

Requirements

• 6+ years of hands-on IT systems administration or IT operations experience
• Experience owning IT for a small or mid-sized organization
• Strong Google Workspace or Microsoft 365 administration experience
• Experience managing Windows and macOS devices through an MDM platform
• Working knowledge of Linux and experience supporting technical users
• Strong networking knowledge, including DNS, DHCP, VLANs, VPNs, Wi-Fi, and firewalls
• Experience with identity management, SSO, MFA, access controls, and employee lifecycle management
• Practical knowledge of endpoint security, patching, backups, logging, and incident response
• Experience building repeatable support, onboarding, offboarding, purchasing, and inventory processes
• Experience with ticketing, asset-management, or IT service-management systems
• Strong troubleshooting skills and sound judgment around security, reliability, cost, and usability
• Clear communication skills and a service-oriented approach
• Comfort providing hands-on support in an engineering and manufacturing environment
• Must be a U.S. person as defined by U.S. export control laws (U.S. citizen, lawful permanent resident, or individual granted asylee or refugee status)

Nice To Haves

• Experience supporting engineering, robotics, aerospace, defense, or manufacturing organizations
• Familiarity with NIST 800-171, CMMC, SOC 2, ISO 27001, or similar frameworks
• Experience handling export-controlled, customer-sensitive, or government information
• Experience managing cloud infrastructure and on-premises servers
• Familiarity with platforms such as Okta, JumpCloud, Kandji, Jamf, or Microsoft Intune
• Scripting or automation experience with Python, PowerShell or Bash
• Experience managing physical access, security cameras, conference rooms, or facility technology
• Experience selecting and managing IT or security vendors

Responsibilities

• Serving as the primary point of contact for employee IT support
• Troubleshooting devices, accounts, applications, networks, and office technology
• Managing employee onboarding, access changes, and offboarding
• Administering Google Workspace, identity, endpoint, password, and collaboration systems
• Managing company devices, software, licenses, security, inventory, and replacement planning
• Designing and maintaining reliable office networks across our facilities
• Supporting conference rooms, audiovisual equipment, and shared workspaces
• Partnering with engineering and operations on IT needs in office spaces, labs, manufacturing facilities, and field environments
• Supporting security and compliance efforts through documentation, controls, audits, and customer questionnaires
• Creating clear documentation and self-service resources
• Developing the company’s IT roadmap and budget

Benefits

• Competitive insurance (including a 99% employer-covered Gold HMO plan or other options)
• 401k matching up to 4% of salary
• Four free lunches per week
• An employee activity fund
• A pet-friendly office
• Unlimited/Flex PTO
• Stock options

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed