Network Administrator - DCO (Level1) - Marshfield, MO

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

Benefits offered by this job

Health Coverage - Medical, Dental &amp

FSA Health and Dependent Care

401(k) Plan

Unlimited PTO

Holidays Paid

Cell Phone Allowance

Job summary

STN, Inc. is seeking a Network Administrator to join our data center operations team in Marshfield, MO. This on-site role focuses on hands-on network upkeep, troubleshooting, and growth alongside senior engineers.

You will work with DCIM tools, perform cabling tasks, and support change management while adhering to safety and production standards. A background in data centers and basic CLI skills are expected.

Qualifications

• 1-2 years in a data center, NOC, or network infra role (internships/lab ok).
• OSI model, Ethernet, VLANs, basic IP networking knowledge.
• Comfort in a data center environment and reading diagrams.
• Experience with structured cabling and patch work.
• Familiarity with CLI in Cisco/Arista/Cumulus environments at a basic level.
• CCNA/CompTIA Network+ or equivalent in progress preferred.

Responsibilities

• Rack, stack, and cable network equipment per data center standards.
• Terminate and test copper and fiber cabling; connectors and fiber types.
• Perform hardware replacements and upgrades with minimal disruption.
• Maintain physical layer documentation and inventory in DCIM tools.
• Assist with structured cabling projects and cable management.
• Execute change tickets for patching and circuit provisioning.

Skills

Network operations

OSI model

Ethernet & VLANs

IP routing basics

CLI basics

DCIM familiarity

Opengear familiarity

Education

CompTIA Network+ or CCNA

Tools

ServiceNow

Nlyte

Device42

DCIM tools

Job description

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 eliminate 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.