On-Site IT Help Desk Manager — Lead, Secure & Comply

MaC VC; San Francisco (CA); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Medical insurance

401(k) program and stock option plan

PTO and holidays

Job summary

Astro Mechanica is seeking a hands-on IT leader to build and run the IT support teams in a fast-growing startup. You will secure and streamline Windows, macOS, and Linux environments, manage Intune/Jamf, and oversee GCC/GCC High workloads while ensuring CMMC 2.0 and ITAR/EAR compliance across the stack.

You will own day-to-day IT operations in an on-site role, champion documentation, policies, and onboarding/offboarding processes, and collaborate with engineering and leadership to deploy new

Qualifications

• 3+ years managing an IT or support team.
• 3+ years in a startup environment.
• 3+ years Windows and macOS administration; Linux a plus.
• 3+ years administering Intune and Jamf.
• Hands-on Microsoft 365 GCC and GCC High administration.
• Experience with Ubiquiti and Cisco networking.
• Knowledge of CMMC 2.0 and ITAR/EAR compliance.
• Able to work full-time in office, Mon-Fri.
• Must be a U.S. citizen.

Responsibilities

• Lead, hire and mentor the IT support team, and set clear priorities, SLAs and escalation paths.
• Own day-to-day IT support for Windows, macOS and Linux users across the company.
• Administer our Microsoft 365 GCC and GCC High tenants, including identity, email, SharePoint, OneDrive and Teams.
• Manage endpoints through Microsoft Intune and Jamf: enrollment, configuration profiles, patching, compliance policies and app deployment.
• Design, maintain and troubleshoot our network infrastructure (Ubiquiti and Cisco), including switching, wireless, firewalls and VPN.
• Maintain a CMMC 2.0 compliant environment: implement and monitor controls, collect evidence, and support audits.
• Ensure IT systems meet ITAR and EAR requirements for handling controlled data.
• Manage onboarding and offboarding, access reviews, and asset lifecycle from procurement to disposal.
• Write and maintain IT documentation, runbooks and user guides.
• Partner with engineering and leadership to evaluate and roll out new tools.

Skills

IT leadership

Startup experience

Windows admin

macOS admin

Linux admin

Intune admin

Jamf admin

M365 GCC High

Networking

CMMC compliance

ITAR/EAR compliance

Office 365

Tools

Microsoft Intune

Jamf

Microsoft 365 GCC High

Ubiquiti

Cisco networking

Job description

Astro Mechanica is seeking a hands-on IT leader to build and run the IT support teams in a fast-growing startup. You will secure and streamline Windows, macOS, and Linux environments, manage Intune/Jamf, and oversee GCC/GCC High workloads while ensuring CMMC 2.0 and ITAR/EAR compliance across the stack.

You will own day-to-day IT operations in an on-site role, champion documentation, policies, and onboarding/offboarding processes, and collaborate with engineering and leadership to deploy new