IT Operations & Security Specialist

Manifest OS; New York (NY); On-site; USD 90,000 - 130,000; Full time

Job summary

Manifest OS in New York is hiring our first onsite IT & Security Operations Specialist to own internal IT operations and security defense. You’ll ensure onboarding with the right access and equipment while triaging security alerts and investigating threats.

Reporting to Head of Engineering, you’ll keep systems reliable and identity layer secure. You’ll manage IAM, core tools like Google Workspace, Slack, GitHub, Notion, and Linear; oversee hardware lifecycle; respond to security alerts; lead

Qualifications

• Hands-on IT operations experience.
• Proven ability to triage security alerts and distinguish real incidents.
• Experience administering Google Workspace and similar SaaS tools.
• Familiarity with phishing investigation and email security tools.
• Ability to take immediate containment actions: disabling accounts, isolating endpoints.

Responsibilities

• Own end-to-end onboarding and offboarding: accounts, MFA, device setup, and access removal.
• Administer core tools including Google Workspace, Slack, GitHub, Notion, and Linear.
• Manage IAM: least-privilege access, role-based permissions, and joiner/mover/leaver workflows.
• Oversee hardware lifecycle from ordering and imaging through to secure disposal.
• Triage and respond to security alerts from email security tooling, EDR, and SaaS audit logs.
• Lead phishing response: analyze suspicious emails, contain threats, and coordinate user communications.
• Deploy and maintain VPN and Zero Trust solutions.

Skills

IT operations

IAM workflows

Security alert triage

Google Workspace administration

Phishing investigation

Tools

Google Workspace

Slack

GitHub

Notion

Linear

Job description

Manifest OS in New York is hiring our first onsite IT & Security Operations Specialist to own internal IT operations and security defense. You’ll ensure onboarding with the right access and equipment while triaging security alerts and investigating threats.

Reporting to Head of Engineering, you’ll keep systems reliable and identity layer secure. You’ll manage IAM, core tools like Google Workspace, Slack, GitHub, Notion, and Linear; oversee hardware lifecycle; respond to security alerts; lead