Senior IT Systems Administrator

Circle; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Circle, a leading internet financial platform, is seeking a Senior IT Systems Administrator for our New York City office. You will maintain the Mac environment, manage the Cisco Meraki network, and provide white-glove on-site support for executives and staff, while delivering remote support for a remote-first workforce.

The role involves 24x7 global IT collaboration, incident tracking in ServiceNow, and deploying MacBooks with MDM.

Qualifications

• 3+ years of hands-on experience deploying, configuring, and administering macOS systems and related peripherals.
• 3+ years in a customer-facing support role providing white-glove support for executives.
• Experience with security, incident response, and business continuity planning.

Responsibilities

• Provide white-glove on-site support for executives and staff in NYC office.
• Maintain Mac environment, MDM, and Apple peripherals; manage via Iru.
• Log and resolve incidents in the ticketing system; collaborate with IT teams.
• Support office network with Cisco Meraki, firewalls, switches, VLANs, and routers.
• Assist with conference rooms and A/V systems; support live events.
• Coordinate with cybersecurity to enforce policies and monitor threats.
• Use AI tools to speed up troubleshooting and resolution.
• Keep runbooks updated and participate in disaster recovery exercises.

Skills

MacOS administration

Executive support

Networking basics

Security awareness

AI-assisted troubleshooting

Linux/Windows admin

Education

Bachelor's degree in information technology or related field

Tools

Iru MDM

Workspace ONE

Google Workspace

Slack

Okta

ServiceNow

Cisco Meraki

Zoom Rooms

Terraform

Job description

Circle (NYSE: CRCL) is one of the world's leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale financial innovation. Learn more at circle.com .

What you’ll be part of:

Circle is committed to visibility and stability in everything we do. As we grow as an organization, we're expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values : High Integrity, Future Forward, Multistakeholder, Mindful, and Driven by Excellence. We have built a flexible work environment where new ideas are encouraged and everyone is a stakeholder.

What you’ll be responsible for:

The Senior IT Systems Administrator is a key, hands-on role based onsite at Circle's New York City office, Monday through Friday, full-time. You will maintain and improve our Mac environment, office network (Cisco Meraki), and audio-visual systems, and provide white-glove support to executives and employees in the office, remote support for our remote-first workforce, and live support for meetings and onsite events. The pace is fast, with frequent walk-ups and interruptions, and you will work as part of a 24x7 global IT team.

What you’ll work on:

• Provide white-glove support for software, hardware, and network issues to on-site executives, employees, traveling teams, and visiting customers. Diagnose problems, guide the fix, and keep the office running.
• Provide remote support to employees working outside the office in a remote-first company.
• Log, assign, track, and verify incidents and service requests through resolution in the ticketing system, including computers, printers, and requests from internal application teams.
• Deploy, configure, and maintain MacBooks and peripherals, and manage them through Iru (MDM).
• Maintain the office network, including Cisco Meraki equipment, firewalls, managed switches, VLANs, and routers.
• Support audio-visual systems across the office: conference rooms (Zoom, Google Meet), presentation boards, and displays.
• Operate and troubleshoot live audio, camera, and display equipment during large presentations and events, including occasional evening events.
• Manage and troubleshoot office security systems, including facial recognition, security cameras, and card readers.
• Support IT business continuity and disaster recovery for the office: planning, documentation, testing, and recovery readiness. Participate in semiannual disaster recovery tests; verify replication, redundancy, backups, and archiving; identify gaps; and restore servers, networks, and applications.
• Partner with the cybersecurity team to enforce security policies, manage network access, monitor for suspicious activity and vulnerabilities, and help respond to and remediate incidents.
• Use AI tools to speed up troubleshooting, debugging, and routine work.
• Keep runbooks current, including escalation paths.

What you’ll bring to Circle:

• Ability to work onsite at the New York City office, Monday through Friday, full-time, with occasional after-hours support for events.
• 3+ years of hands-on experience deploying, configuring, and administering macOS systems, MacBooks, and related peripherals, including MDM (Iru, Workspace ONE), core enterprise SaaS and IT systems (Google Workspace, Slack, Okta), and network troubleshooting.
• 3+ years in a customer-facing support role, including white-glove technical support for executives or senior staff.
• Experience working tickets in ServiceNow or a similar ticketing system.
• Hands‑on networking experience with Cisco Meraki, firewalls, managed switches, VLANs, and routers.
• Experience with conference room systems and A/V installations, including Zoom Rooms or similar platforms.
• Experience supporting business continuity and disaster recovery, including plan testing, backup and recovery, and restoring systems after a disruption.
• Experience working with a security team on access control, monitoring, vulnerability management, firewalls, and incident response.
• Experience using AI tools to streamline work, troubleshooting, and debugging.
• Experience administering Linux and Windows Server is a plus.
• Ability to code in Golang, Python, or shell is a plus.
• Experience with Terraform and Ansible is a plus.
• Experience running live audio‑video for large events is a plus.

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