IT Helpdesk Manager

Astro Mechanica is a vertically integrated aerospace company building scalable technology platforms for critical infrastructure and mission operations. This role leads and manages the IT helpdesk team while owning day-to-day support for Windows, macOS, and Linux users, plus enterprise IT infrastructure including Microsoft 365, endpoint management, networking, and compliance (CMMC 2.0, ITAR, EAR).

* Lead, hire, and mentor the IT helpdesk team; establish clear priorities, SLAs, and escalation paths * Provide day-to-day IT support for Windows, macOS, and Linux users across the company * Administer Microsoft 365 GCC and GCC High tenants including identity, email, SharePoint, OneDrive, and Teams * Manage endpoints through Microsoft Intune and Jamf including enrollment, configuration profiles, patching, compliance policies, and app deployment * Design, maintain, and troubleshoot Ubiquiti and Cisco network infrastructure including switching, wireless, firewalls, and VPN * Maintain CMMC 2.0 compliance: implement and monitor controls, collect evidence, and support audits * Ensure IT systems meet ITAR and EAR requirements for handling controlled technical data * Manage user onboarding and offboarding, access reviews, and asset lifecycle management * Write and maintain IT documentation, runbooks, and user-facing guides

* 3+ years of experience managing an IT or helpdesk team * 3+ years of experience in a startup environment * 3+ years of Windows and macOS administration experience * 3+ years administering Microsoft Intune and Jamf MDM platforms * Hands-on experience administering Microsoft 365 GCC and GCC High * Experience with Ubiquiti and Cisco networking infrastructure * Experience administering a CMMC 2.0 compliant environment * Working knowledge of CMMC 2.0 and ITAR/EAR compliance requirements * Ability to work full-time in office Monday through Friday * U.S. citizen status required

* Linux administration experience

Comprehensive medical, dental, and vision insurance including Flexible Spending Accounts (FSA), 401(k) program, transparent stock option plan, self-managed and flexible time-off policy including PTO, paid holidays, and sick time, flexible work environment