IT Systems & Network Administrator

WHO YOU ARE: We are 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 for this role will be a self‑starter with a strong sense of ownership that is 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. WHAT YOU’LL DO: Key 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 End‑User Support & IT Operations 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 IT Asset Management & Procurement 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 Service Desk Development & Documentation 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 WHAT WE’RE LOOKING FOR: Required Qualifications 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 Preferred Qualifications 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 PERKS & 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 ADDITIONAL INFORMATION: At Astro Mechanica, we highly value in‑office work to foster collaboration and strengthen our company culture. We consider working in the office five days a week an essential part of the employee's role. Astro Mechanica is an equal opportunity employer. We proudly recruit and hire a diverse workforce and are committed to creating an inclusive environment for all employees. #J-18808-Ljbffr Astro Mechanica