IT Operations & Security Lead — Onsite

Manifest OS; New York (NY); Hybrid; USD 90,000 - 140,000; Full time

Job summary

Manifest OS is seeking an onsite IT & Security Operations Specialist to own internal IT operations and serve as the first line of security defense. You will ensure teammates are securely onboarded with proper access and equipment while triaging security alerts and investigating threats.

Reporting to the Head of Engineering, you’ll collaborate with Engineering and leadership to keep systems reliable, endpoints healthy, and identity layer secure as we scale our AI-native platform for American

Qualifications

• Hands-on IT operations, endpoint management, and IAM workflows.
• Triaging security alerts and distinguishing false positives.
• Administering Google Workspace and similar SaaS tools.
• Familiarity with phishing investigation and email security tools.
• Ability to contain incidents: 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

Endpoint management

IAM workflows

Security alert triage

Google Workspace

Phishing investigation

VPN/Zero Trust

Tools

Google Workspace

Slack

GitHub

Notion

Linear

VPN

Job description

Manifest OS is seeking an onsite IT & Security Operations Specialist to own internal IT operations and serve as the first line of security defense. You will ensure teammates are securely onboarded with proper access and equipment while triaging security alerts and investigating threats.

Reporting to the Head of Engineering, you’ll collaborate with Engineering and leadership to keep systems reliable, endpoints healthy, and identity layer secure as we scale our AI-native platform for American