IT Systems & Network Administrator

Astro Mechanica • San Francisco, CA

12h • Onsite

About The Position

Astro Mechanica is seeking an experienced IT Systems & Network Administrator to manage, maintain, and scale our internal infrastructure. This role requires a strong background in networking, cloud systems, and SaaS administration, along with hands-on experience supporting end users in a fast-paced startup environment. This individual will also play a key role in building the foundation for a scalable IT support function, including documentation, processes, and tooling that will evolve into a formal service desk. The ideal candidate will be a self-starter with a strong sense of ownership, comfortable operating as both a strategic builder and a hands-on support resource. Strong communication and documentation skills are a must, showing attention to detail and a focus on security, reliability, and user experience.

Requirements

• 5+ years of experience working in a startup environment
• Proven experience administering Ubiquiti network infrastructure
• Hands-on experience with Cisco networking equipment (routing, switching, firewall configuration)
• Experience working within Microsoft GCC High environments
• Strong working knowledge of Microsoft Azure (identity, compute, networking, and security)
• Experience supporting and administering: Zoom, Slack, Notion, Microsoft Teams
• Strong troubleshooting skills across network, systems, SaaS platforms, and end-user environments
• Experience providing direct end-user support in a professional setting
• Experience managing IT equipment procurement and maintaining asset inventory systems
• Experience creating technical documentation and operational processes

Nice To Haves

• Experience building or scaling a help desk or IT support function from the ground up
• Experience with ITSM or ticketing platforms, including Atlassian Jira (Jira Service Management preferred)
• Familiarity with compliance frameworks (e.g., NIST, CMMC, FedRAMP)
• Scripting or automation experience (PowerShell, Bash, or similar)
• Experience with endpoint management and security tools

Responsibilities

• Administer and maintain a Ubiquiti-based network environment, including monitoring performance, security, and reliability
• Configure, manage, and troubleshoot Cisco network equipment
• Manage and support secure environments within Microsoft GCC High, ensuring compliance and best practices
• Oversee identity, access, and infrastructure within Microsoft Azure
• Provide administration and support for collaboration and productivity platforms including Zoom, Slack, Notion, and Microsoft Teams
• Serve as a primary point of contact for end-user technical support across hardware, software, network, and SaaS platforms
• Diagnose and resolve complex technical issues in a timely and professional manner
• Provide white-glove support for leadership and key stakeholders as needed
• Manage onboarding and offboarding processes, including account provisioning, device setup, and access control
• Manage the procurement of IT equipment, including laptops, peripherals, networking hardware, and accessories
• Maintain accurate inventory of all IT assets, including tracking lifecycle, assignments, and status
• Establish and enforce asset management processes, including tagging, auditing, and reporting
• Coordinate device provisioning, imaging, deployment, and recovery
• Work with vendors to source equipment, manage orders, and optimize cost and availability
• Develop and maintain clear, scalable IT documentation including: Standard operating procedures (SOPs), Knowledge base articles, Troubleshooting guides
• Design and implement foundational processes for a future service desk/help desk function
• Evaluate and implement ticketing systems, workflows, and SLAs
• Establish best practices for incident management, request fulfillment, and escalation paths
• Identify opportunities to automate repetitive support tasks and improve operational efficiency

Benefits

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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed