Senior IT Systems Administrator

What you'll do

• Own and drive long-term IT infrastructure projects from scoping through delivery including network upgrades, cloud migrations, security hardening, and tooling improvements
• Develop and maintain technical roadmaps aligned with business goals, collaborating with leadership to prioritize initiatives
• Design, implement, and continuously improve automated provisioning and systems management pipelines (CI/CD for IT tooling, endpoint management)
• Research and evaluate new technologies, tools, and vendors; lead proof-of-concept efforts and make recommendations
• Plan capacity, budget, and resourcing for infrastructure initiatives, and report progress, risks, and outcomes to leadership
• Serve as technical escalation point for the Systems Administrator team and step in on complex issues, mentor, and help build team knowledge
• Assist with or own high-complexity onboarding and offboarding workflows, ensuring security and access policies are followed
• Perform and improve maintenance activities: backups, patch management, license audits, and monitoring
• Create and improve IT documentation and internal knowledge bases
• Respond to critical incidents and drive root cause analysis and permanent resolution
• Manage firewall policies and office infrastructure
• Participate in security improvement initiatives including vulnerability management, access reviews, and compliance efforts (SOX)
• Monitor infrastructure for threats and anomalies; lead response and remediation efforts
• Administer identity and access management; SSO, MFA, and lifecycle provisioning across Google Workspace, Office 365, and Slack
• Maintain network architecture (VLANs, routing, DNS/DHCP, Wi-Fi) and Cisco Meraki hardware across office locations
• Write scripts and tooling (Python, Bash, PowerShell, or similar) to automate repetitive workflows, improve reliability, and reduce manual toil
• Provide support with audit and compliance evidence collection (e.g. SOX) across cloud and SaaS platforms
• Establish version control, testing, and documentation standards for IT scripts and tooling using Git-based workflows
• Build dashboards and alerting to surface system health, license usage, and anomalies before they become incidents

Requirements

• 5-8 years of experience in IT Systems Administration or infrastructure roles in a corporate environment
• Advanced proficiency with Office 365 and Google Workspace
• Strong experience with automated deployment and MDM platforms (Intune, Mosyle, Kandji, JAMF, or equivalent) for Mac and Windows
• Solid networking foundation: routing, switching, VLANs, firewalls, DHCP, DNS
• Hands-on experience managing and troubleshooting firewall and network hardware (Cisco Meraki experience strongly preferred)
• Scripting or programming proficiency in at least one language (Python, Bash, PowerShell, Go, or similar)
• Experience with identity and access management: Azure AD / Microsoft Entra ID, Okta, or equivalent SSO/IdP
• Demonstrated ability to independently manage multi-month infrastructure or process improvement projects
• Experience with video conferencing systems (Zoom, Google Meet, meeting hardware)
• Jira/Confluence administration experience a plus
• Excellent communication skills: able to write clear technical documentation and present recommendations

Tech stack

Benefits