Network Administrator - DCO (Level1) - Marshfield, MO

STN Incorporated; Marshfield (MO); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Health Coverage – Medical, Dental &amp

401(k) Plan

Unlimited PTO

Holidays Paid

Cell Phone Allowance

Growth‑driven culture

Job summary

STN Incorporated in Marshfield, MO is seeking a Junior Network Administrator to join its data center operations team. This on-site role supports production networks, including rack-and-stack, cabling, and hardware upkeep under senior engineers.

You will handle patching, documentation, and performance monitoring in a live data center environment. Ideal candidates have 1–2 years in a data center or NOC setting, familiarity with OSI, Ethernet, VLANs, and basic IP concepts, and comfort with DCIM

Qualifications

• 1–2 years in a data center, NOC, or network infra role.
• Strong OSI model, Ethernet, VLANs, IP networking understanding.
• Comfort in data center environments and ability to lift up to 75 lbs.
• Ability to read network diagrams and floor plans; structured cabling experience.
• Familiarity with CLI in Cisco/Arista/Cumulus environments.
• Preferred: Network+/CCNA certification or in progress; experience with DCIM/ticketing tools.

Responsibilities

• Rack, stack, and cable network equipment per data center standards.
• Terminate and test copper and fiber cabling with LC/SC/MPO connectors.
• Perform hardware replacements on switches, transceivers, and line cards.
• Maintain physical layer documentation and inventory using DCIM tools.
• Support structured cabling projects and cabling management in cabinets.
• Process change tickets for patching, decommissions, and circuit provisioning.
• Monitor hardware health via console and out-of-band management and troubleshoot anomalies.
• Walk data center floor to inspect equipment status and environmental conditions.
• Assist with cross-connects and MMR work; coordinate with carriers for turn-ups.
• Support OTDR, light meter, and fiber/copper validation tests; follow change management.

Skills

Data center experience

Networking basics

Structured cabling

Cisco/Arista CLI

Network fundamentals

CCNA / Network+ in progress

DCIM tools

ServiceNow / Nlyte / Device42

Opengear / Raritan / Vertiv

Tools

DCIM software

ServiceNow

Nlyte

Device42

Opengear

Raritan

Job description

Network Administrator - DCO (Level1) - 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.

Overview
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 esc a late 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

Experience & Qualifications

Required

• 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)

Work Environment
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.

Compensation

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

Benefits

• 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.