Junior Systems Administrator

Telnyx•Denver, CO

1d•Hybrid

About The Position

Telnyx is hiring a Junior Systems Administrator to manage its Denver offices and sites, with a primary focus on keeping offices operational, monitored, and maintained. The role includes general IT support, infrastructure projects, and participation in a shared IT Operations on-call rotation. Telnyx describes itself as an AI-forward company and expects the person in this role to be comfortable implementing, maintaining, and owning agentic solutions. Time is divided between operational support and project work. The position follows standard Denver (Mountain Time) business hours and requires working in the Denver office three days per week, including Mondays. Occasional travel to other offices or locations globally is required. The administrator will maintain office infrastructure; standardize hardware and configurations across offices; plan and deliver buildouts and network upgrades; coordinate with vendors, facilities, and building management; monitor sites and resolve outages; provide employee IT support; manage endpoints, accounts, access, hardware procurement, inventory, and shipping; build and maintain automations and agentic solutions; contribute to infrastructure projects; and maintain technical documentation and site records.

Requirements

Experience in IT operations, systems administration, helpdesk, or a similar hands-on role.
Solid networking fundamentals, including wireless, switching, VLANs, DHCP/DNS, VPNs, and firewalls.
Experience supporting conference rooms and A/V or video conferencing systems.
Troubleshooting experience across macOS, Windows, and Linux.
Working knowledge of identity and access management and cloud-based platforms.
Scripting experience in Python, Bash, or similar.
Experience implementing and maintaining agentic solutions.
Clear written and verbal communication with employees and vendors.
Interest in technology outside of work, such as home labs or side projects.
Able to make decisions independently and know when to escalate.
Able to take ownership of sites, automate repetitive work, work with IT and security teams and outside vendors, balance support and project work, and continue learning.

Nice To Haves

Experience with managed network platforms such as UniFi or Meraki.
Experience with office buildouts, structured cabling, or physical infrastructure.
Experience with ISP provisioning, failover connectivity, or site-to-site networking.
Experience building integrations with Slack and SaaS APIs.
Experience with Git and CI/CD workflows.
Experience with endpoint management and zero-touch deployment.
Experience with SSO and provisioning protocols such as SAML and SCIM.
Exposure to security and compliance frameworks.
Telecom or VoIP experience.

Responsibilities

Maintain office infrastructure, including WiFi, networking, internet connectivity, conference rooms, and A/V.
Standardize hardware and configuration across offices.
Plan and deliver office buildouts and network upgrades.
Work with vendors on procurement, installs, repairs, and support, including ISPs, carriers, and contractors.
Coordinate with facilities and building management, including physical access systems.
Monitor sites and resolve outages.
Provide employee IT support.
Manage endpoints, accounts, and access.
Manage hardware procurement, inventory, and shipping.
Build, maintain, and own automations and agentic solutions.
Contribute to IT infrastructure projects.
Maintain documentation, runbooks, network diagrams, and site records.
Participate in a shared on-call rotation.
Balance operational support and project work, make decisions independently, and escalate when appropriate.