Network Administrator - DCO; Level- Marshfield, MO

Network Administrator – DCO (Level
1)

Location: Onsite – Marshfield, MO

Reporting to: Infrastructure & DCO

At STN
, we don't just adapt to the digital future, we engineer it. Our mission is to help organizations thrive in a rapidly evolving technology landscape through strategic insight, cutting-edge solutions, and a security-first mindset. We provide end-to-end services spanning cloud consulting, AI infrastructure, and enterprise security, enabling secure, scalable, and future-ready transformation.

As trusted advisors, we align IT investments with business outcomes that drive performance and growth, starting with deep strategic engagement and delivering tailored solutions built for long-term impact.

Our approach is innovation-led and rooted in cybersecurity, with a focus on leveraging the right technologies to solve real-world challenges. We invest in our people and foster a culture of growth, inclusion, and purpose because we believe empowered teams build transformative technology.

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.

• 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 elevate 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

• 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

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

This is a full‑time, on‑site position. Work is performed entirely within a live production data center. Schedules may include evenings, weekends, or on‑call rotations to support maintenance windows and emergency response. PPE compliance and strict adherence to change management protocols are required at all times.

• Full‑Time, Exempt
• $70,000-$90,000/year, DOE

• Health Coverage – Medical, Dental & Vision
• FSA Health and Dependent Care available
• 401(k) Plan
• Unlimited Paid Time Off (PTO)
• Observed Holidays Paid
• Cell Phone Allowance
• Collaborative, growth‑driven culture

Candidates must be U.S. Citizens or Permanent Residents. We are unable to provide sponsorship at this time.

Employment is contingent upon the successful completion of a background check and reference verification. All applicants must be authorized to work in the United States on a full‑time basis.