What are the responsibilities and job description for the Network L2 Technician position at Service Global, Inc?
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:
Required Skills and Knowledge:
Certifications / Training:
Mandatory Skills
Data Center and Fiber Experience
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 demonstra ted competence.
Mandatory Skills
Data Center and Fiber Experience