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# Job DescriptionNetwork Administrator - DCO

- **Company:** STN, inc.
- **Location:** Marshfield, MO, United States
- **Experience:** Starter
- **Salary:** $70,000.0 - $90,000.0
- **Contract:** Internship / Graduate position
- **Skills:** Automation of Tests, Intelligent Platform Management Interface, BASIC (Programming Language), CompTIA Network+, Data Centers, Data Center Infrastructure Management (CIM), Ethernet, Internet Protocol, Subnetting, OSI Models, Network Architecture, Network Diagrams, Network Monitoring, Routing, Operational Databases, Virtual Local Area Networks, Cisco, Servicenow
- **Published:** September 11, 2026
- **Apply:** https://www.thejobnetwork.com/job/3c2010c8-857c-4f3c-b605-3ecf3ecdd5e3/network-administrator-dco-level-marshfield-mo

## About the Role

* 1-2 years of hands-on experience in a data center, NOC, or network infrastructure role (internships and lab experience considered)
 * Solid understanding of OSI model fundamentals, Ethernet, VLANs, and basic IP networking (subnetting, routing concepts)
 * Comfort working in a data center environment
 * Experience with structured cabling, patch work, and reading network diagrams and floor plans
 * Familiarity with Cisco/Arista/Cumulus or similar CLI environments at a basic configuration level
 * Ability to lift and move equipment (up to 75 lbs.), work in confined spaces, and stand for extended periods

Preferred

 * CompTIA Network+, CCNA, or equivalent certification (or in progress)
 * Experience with common DCIM or ticketing platforms (ServiceNow, Nlyte, Device42, etc.)
 * Exposure to fiber optic testing tools (OTDR, VFL, optical power meter)
 * Familiarity with out-of-band management platforms (Opengear, Raritan, Vertiv)

## Description

We are looking for a motivated Junior Network Administrator to join our data center operations team. This is a hands-on, physical infrastructure role based entirely on-site. You will work alongside senior engineers to maintain, troubleshoot, and expand our network environment across production data centers.Key Responsibilities

 * Rack, stack, and cable network equipment including switches, routers, patch panels, and fiber distribution units following data center standards and documentation
 * Terminate and test copper (Cat6/Cat6A) and fiber (single-mode and multi-mode) cabling, including LC, SC, and MPO/MTP connectors
 * Perform hardware replacements and upgrades on switches, transceivers (SFPs/QSFPs), and line cards with minimal disruption to production traffic
 * Maintain accurate physical layer documentation including port mappings, cable runs, and equipment inventory using DCIM tools
 * Assist with structured cabling projects including cable tray routing, label printing, and cable management within cabinets
 * Execute change tickets for patching, decommissions, and circuit provisioning under the direction of senior engineers
 * Monitor network hardware health via console and out-of-band management (IPMI, iDRAC, serial console servers) and escalate anomalies
 * Conduct regular walkthroughs of the data center floor to visually inspect equipment status, indicator lights, and environmental conditions
 * Support cross-connects and meet-me room (MMR) work, coordinating with colocation staff and carriers for circuit turn-ups and demarcation testing
 * Assist with OTDR, light meter, and cable certifier testing to validate new and existing fiber and copper runs
 * Follow data center safety and change management procedures including lockout/tagout, proper ESD handling, and ticketing workflows