Network Administrator – HPC Managed Services

Role Overview

We are seeking a proactive and skilled

Network Administrator

to join our High-Performance Computing (HPC) Managed Servicesteam. The successful candidate will be responsible for maintaining thehigh-performance network fabric that supports HPC operations, ensuring reliability, performance, and security across data centre environments.

Key Responsibilities

Operate and maintain

tenant HPC fabric

and

data Centre switching infrastructure , including configuration, monitoring, and performance tuning.

Perform

network configuration backup ,

capacity/utilization reporting , and ensure operational compliance with standards.

Troubleshoot and resolve network issues, including Layer 2/3 connectivity problems, routing, and switching faults.

Support and administer

Software-Defined Networking (SDN) ,

firewalls , and

VPN

solutions.

Collaborate with system, storage, and security teams to ensure seamless data flow and optimal HPC cluster performance.

Participate in the 24x7 on-call rotation for P1/P2 incident escalation and resolution support.

Maintain detailed network documentation, operational runbooks, and change management records in alignment with ITIL practices.

Requirements

At least

two (2) years of relevant experience

in network support, monitoring, and troubleshooting in enterprise or HPC environments.

Hands-on experience with

data Centre switching ,

SDN technologies ,

firewalls , and

VPN

administration.

Strong understanding of TCP/IP, VLANs, routing protocols (OSPF, BGP), and network security concepts.

Familiarity with network management and monitoring tools (e.g., SolarWinds, Nagios, Zabbix, or equivalent).

Solid analytical and problem-solving abilities; able to respond effectively under pressure.

Excellent communication and teamwork skills.

Minimum Certification Requirements

ITIL Foundation

(or equivalent or higher).

CCNA (Cisco Certified Network Associate)

or equivalent or higher certification.

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