Senior IT Support Technician - In-Office, Startup Growth

Astro Mechanica CORP.; San Francisco (CA); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) and stock options

Flexible PTO

Job summary

Astro Mechanica is seeking an IT Help Desk specialist in San Francisco to be the friendly face of IT. You will support Windows, macOS, and Linux users, manage devices with Intune and Jamf, and help onboard new hires while upholding security standards.

You will partner with engineering and leadership to improve the IT experience, support Microsoft 365 GCC High, and guide colleagues through secure practices in a fast‑moving startup environment.

Qualifications

• 3+ years of IT help desk or desktop support experience.
• Excellent communication and people skills with a customer‑first attitude.
• Patient, positive, team‑oriented approach, even during busy periods.
• Experience supporting Windows and macOS; Linux is a plus.
• Hands‑on experience with Intune and Jamf.
• Experience supporting Microsoft 365; GCC/GCC High is a strong plus.
• Familiarity with Ubiquiti and Cisco networking.
• Familiarity with CMMC 2.0 and ITAR/EAR requirements or willingness to learn.
• 2+ years in a startup environment.
• Ability to work full‑time in office, Monday–Friday.
• Must be a U.S. citizen.

Responsibilities

• Be the friendly, go‑to IT support contact across the company in person, chat, and tickets.
• Build strong relationships with engineering, operations, and leadership to position IT as a partner.
• Resolve escalated hardware, software, account, and network issues for Windows, macOS, and Linux users.
• Lead new hire onboarding: set up laptops and accounts and train on tools and security.
• Support Microsoft 365 GCC High: user accounts, email, SharePoint, OneDrive, Teams.
• Manage devices through Intune and Jamf: enrollment, apps, updates, compliance.
• Assist users with Okta sign‑in and MFA and explain security controls clearly.
• Troubleshoot Ubiquiti and Cisco network issues at desks and in the office.
• Mentor junior technicians and document learnings with how‑to guides.
• Gather user feedback and suggest improvements to tools, processes, and support.
• Follow CMMC 2.0 and ITAR/EAR requirements; keep environment compliant.

Skills

IT help desk

Communication skills

Customer service

Startup experience

Team collaboration

Tools

Microsoft Intune

Jamf

Microsoft 365

Ubiquiti networking

Cisco networking

Job description

Astro Mechanica is seeking an IT Help Desk specialist in San Francisco to be the friendly face of IT. You will support Windows, macOS, and Linux users, manage devices with Intune and Jamf, and help onboard new hires while upholding security standards.

You will partner with engineering and leadership to improve the IT experience, support Microsoft 365 GCC High, and guide colleagues through secure practices in a fast‑moving startup environment.