Principal Systems Engineer (OT & IT Network)

SP Group
Singapore, SG
On-site

Job Description

What You'll Do

  • Implement and maintain Corp IT and CII networks including OT and SCADA network systems.
  • Responsible for building, delivery, and daily operation of SP Group IT network infrastructure.
  • Responsible for high-level and low-level design, roadmap and standardization of SP Group network infrastructure design.
  • Defining, documenting, reviewing, and enforcing system standards and maintenance of the IT networking devices.
  • Maximizes systems performance by monitoring performance; troubleshooting systems problems and outages; scheduling upgrades and patches; collaborating with peers and network architects on systems and network optimization.
  • Secures network system by establishing and enforcing policies, defining and monitoring access.
  • Obtain, review, and assess available minor software release, minor version upgrades and fixes to any Systems and Network devices in the environment.
  • Develop and review vulnerability and patch management process.
  • Reporting network operational status by gathering, prioritizing information; managing projects.

What You'll Need:

  • Five (5) years of working experience and tertiary degree.
  • Must be CCNA or CCNP certified. CISSP and Firewall certifications will be an added advantage.
  • In-depth experience in Network Security technology architecture design, evaluation, deployment, and operation.
  • Excellent trouble-shooting skills and able to resolve technical issues independently.
  • Minimum 5 years’ experience in managing complex IT network infrastructure and with strong hands-on experience and proven competency in configuring, supporting, maintenance and troubleshooting for areas in:
  • Layer 2 and 3 Switching, Routing and tunnelling technologies.
  • Firewalls management
  • Load balancers
  • Dot1x Network Access Control
  • 802.1x Wireless Access
  • Up to date industrial knowledge in software define network. (Cisco ACI, SDN)
  • A good team player with good communications and interpersonal skills, demonstrate enthusiasm and drive for continuous improvement and operational excellence.
  • Determine mind-set and able to work within tight schedule.
  • Understanding of ITIL processes and ISO27001 processes.

What We'll Provide:

  • Your ideas and contributions will be valued in a culture of innovation and change
  • We have regular wellness programmes to promote healthy living
  • Join us to empower the future of energy.

Skills & Requirements

Technical Skills

Network securityNetwork infrastructureNetworking devicesNetwork optimizationNetwork access controlNetwork troubleshootingCommunicationTeamworkCcnaCcnpCisspFirewall

Employment Type

FULL TIME

Level

principal

Posted

4/14/2026

Apply Now

You will be redirected to SP Group's application portal.