Junior Systems Administrator
Telnyx
This job at a glance
- Who can apply
- New grads and up to 2 years
- Must know
- REST APIsNetworkingOperationsHelp deskNetwork securityLinux
- Work
- On-site in Denver
- Pay
- Not stated by the employer.
- Skill demand
- Networking54%Operations54%Help desk26%REST APIs6%of 99 similar entry-level jobs posted in the US this week
- Listed
- Nov 5, 2026 · still open
Sign in free to see which of these skills your resume already shows.
About Telnyx
Telnyx is an industry leader shaping the future of global connectivity through a private, global, multi-cloud IP network and hyperlocal edge technology via APIs. They are driven to transform, automate, and solve real-world problems with innovative connectivity solutions. Telnyx is a financially stable and profitable company that invests in pioneering technologies and fosters continuous learning and growth. Their vision is a world where borderless connectivity fuels limitless innovation.
Job Title
Junior Systems Administrator
The Opportunity
This role involves building and automating Telnyx’s IT infrastructure, managing offices and sites to ensure they are fully operational, monitored, and maintained. The position includes general IT support, infrastructure projects, and a shared on-call rotation. As an AI-forward company, comfort and experience implementing, maintaining, and owning agentic solutions are expected.
Location & Schedule
- Standard Denver (Mountain Time) business hours.
- In the Denver office 3 days per week, with Monday as a required in-office day.
- Occasional travel to other offices or locations globally.
- Shared on-call rotation.
Key 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.
Requirements & Tech Stack
- Experience in IT operations, systems administration, helpdesk, or a similar hands-on role.
- Solid networking fundamentals: 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.
Bonus Points For
- Managed network platforms (UniFi, Meraki, or similar).
- Office buildouts, structured cabling, or physical infrastructure.
- ISP provisioning, failover connectivity, or site-to-site networking.
- Building integrations with Slack and SaaS APIs.
- Git and CI/CD workflows.
- Endpoint management and zero-touch deployment.
- SSO and provisioning protocols (SAML, SCIM).
- Exposure to security and compliance frameworks.
- Telecom or VoIP experience.
Work Style
- Ability to make decisions and know when to escalate.
- Takes ownership of sites.
- Automates repetitive work.
- Works closely with the IT and security team and with outside vendors.
- Balances support work and project work.
- Continuous learning and taking on new challenges.