Onsite IT Operations & Security Lead

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

Job summary

Manifest OS is hiring our first onsite IT & Security Operations Specialist to own internal IT operations and serve as our first line of security defense. You’ll onboard teammates securely with the right access and equipment while triaging security alerts and investigating threats.

Reporting to the Head of Engineering, you’ll work with Engineering and leadership to keep systems reliable, endpoints healthy, and identity layer secure.

Qualifications

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

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 alerts triage

Google Workspace

Phishing investigation

Disabling accounts containment

VPN deployment

Job description

Manifest OS is hiring our first onsite IT & Security Operations Specialist to own internal IT operations and serve as our first line of security defense. You’ll onboard teammates securely with the right access and equipment while triaging security alerts and investigating threats.

Reporting to the Head of Engineering, you’ll work with Engineering and leadership to keep systems reliable, endpoints healthy, and identity layer secure.