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 24×7 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.
PTC SYSTEM (S) PTE LTD
PTC was incorporated in 1991. We are headquartered in Singapore with regional offices in SE Asia. PTC is a leading IT System Integrator specializing in providing enterprise data management solutions to manage the technology challenges of enterprise clients. Our strengths are built upon our passion, total commitment and vision on data management services to help our clients to achieve the best business results like better performance, protection investment and maximum returns.