Network L2 Technician

Iron Systems, Inc; New Albany (OH); On-site; USD 70,000 - 90,000; Full time

Job summary

Iron Systems, Inc. in New Albany, OH is seeking a senior hands-on network technician to lead installation, turn-up, troubleshooting, and validation of data center network infrastructure under engineering direction.

You will install switches/routers, validate connectivity across VLANs and link aggregations, and drive change-control processes while mentoring junior technicians and updating as-built records.

Qualifications

• CCNA-level networking knowledge required or demonstrated competence.
• Hands-on data center cabling, SFP/QSFP, fiber polarity, and optics handling.
• Ability to follow/runbooks, document changes, and perform change control.
• Strong attention to asset records and port mapping.
• Experience with multiple L2/L3 troubleshooting methods.

Responsibilities

• Perform advanced switch/router installation and turn-up per runbooks.
• L2/L3 troubleshooting using structured methods and logs.
• Validate connectivity: VLANs, LAG, and end-to-end tests.
• Lead staging, burn-in, and coordinate maintenance windows.
• Mentor L1/L0 technicians and enforce best practices.
• Update as-built network records in the designated system.

Skills

CCNA concepts

Troubleshooting

Network cabling

Documentation

Change control

Port mapping

Education

CCNA certification

Tools

Console servers

Terminal emulators

Automation scripting exposure

Ticketing systems

Job description

Role Summary

Senior hands-on network technician responsible for advanced installation, turn-up, troubleshooting, and validation of data center network infrastructure under engineering direction.

Key Responsibilities

• Perform advanced switch/router installation and turn-up tasks: rack/stack, power-up, console access, image validation, baseline configuration, and feature enablement per runbooks.
• Execute L2/L3 troubleshooting using structured methods (interface counters, logs, spanning-tree, VLANs, Layer 3 adjacency checks) and resolve complex incidents during build windows.
• Validate physical and logical connectivity: optics selection, fiber polarity verification, link aggregation, VLAN trunking, and end-to-end ping/trace tests.
• Lead staging and burn-in activities; coordinate maintenance windows and support change implementation with accurate documentation.
• Mentor L1/L0 technicians; review work for correctness (labeling, patching, port mapping) and enforce ESD/tooling best practices.
• Update as-built network records (port maps, serials, rack elevations, IP allocations) in the designated system of record.

Required Skills And Knowledge

• Strong understanding of CCNA-level networking concepts: IP addressing, VLANs, trucking, STP, EtherChannel/LAG, Layer 3 fundamentals (static routes, OSPF basics), and troubleshooting.
• Hands-on familiarity with data center cabling and optics: SFP/SFP+/QSFP form factors, fiber types (SM/MM), polarity, and connector care.
• Ability to follow and improve runbooks/MOPs; disciplined change control and rollback planning.
• Proficiency with common toolsets: console servers, terminal emulators, basic automation/scripting exposure, and ticketing systems.
• Strong documentation habits and attention to detail in asset/port records.

Certifications / Training

• Preferred: CCNA or equivalent demonstrated competence.