Cybersecurity Engineer

4 hours ago

Singapore Sembcorp Industries Ltd Full time

Cybersecurity Engineer (Based in Jurong Island)
We are seeking a dedicated and experienced OT Cybersecurity Engineer to safeguard the operational technology environments within our power generation and water treatment facilities in Singapore. This role involves implementing, maintaining, and monitoring cybersecurity measures to ensure the resilience and integrity of critical infrastructure.
Responsibilities
Develop and implement cybersecurity measures across operational technology environments within power generation and water treatment facilities.
Design OT network architecture, conduct risk assessments, and ensure compliance with NIST, ISO27001:2022, and Singapore's CII regulations. Monitor OT systems for anomalies using cybersecurity tools (e.g., SIEM, Claroty, Nozomi); lead incident response efforts; harden ICS assets such as HMIs, PLCs, RTUs, and engineering workstations.
Maintain accurate documentation of network topologies and asset inventories; support secure IT/OT integration; ensure regular patching or application of compensating controls.
Collaborate with internal teams and vendors; deliver cybersecurity training to plant personnel; support audits and regulatory reviews to maintain a robust cybersecurity posture across critical infrastructure.
Requirements
Bachelor's degree in engineering, cybersecurity, control systems, or related field.
Minimum 3-5 years of experience in OT cybersecurity, preferably in the energy/utilities sector.
Experience with at least one major industrial control system (e.g., Siemens PCS 7, ABB 800xA, Honeywell PKS, GE Mark VIe).
Technical Skills
Knowledge of IEC 62443, NIST CSF, ISA/IEC standards, WSCP(PUB) and CCoP(CSA) requirements.
Familiarity with industrial protocols (Modbus, OPC DA/UA, IEC 61850, etc.).
Experience with ICS cybersecurity tools (e.g., Claroty, Dragos).
Proficient in firewalls, network segmentation, and SIEM integration.
Certifications (preferred)
CCNA, GICSP, CISSP, CISM or SANS ICS/OT certifications.
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