Senior IT/OT Security Lead — Critical Infra & 24/7 Ops

Tech Aalto Pte ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Tech Aalto Pte ltd seeks a seasoned IT/OT security professional to safeguard critical infrastructure, meteorological and environmental monitoring systems, and hybrid cloud environments in Singapore. The role emphasizes NIST, FISMA, IEC 62443 frameworks, and 24/7 operations.

Ideal candidate holds a bachelor's in a related field, 5+ years in IT/OT security, and can obtain government security clearance. Certifications such as CISSP/CISM/CEH/GICSP are highly valued.

Qualifications

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field.
• Minimum 5 years of experience in IT/OT security roles in critical infrastructure, government, or scientific/technical environments.
• Proficiency with SIEM platforms, IDS/IPS, and endpoint detection tools.
• Active or ability to obtain a government security clearance at the required level.

Skills

IT/OT security

Critical infrastructure

GOV/Scientific env

Cloud security (hybrid)

Education

Bachelor’s degree in Cybersecurity, IT, CS, or related field

Tools

SIEM platforms

IDS/IPS

Endpoint detection tools

Job description

Tech Aalto Pte ltd seeks a seasoned IT/OT security professional to safeguard critical infrastructure, meteorological and environmental monitoring systems, and hybrid cloud environments in Singapore. The role emphasizes NIST, FISMA, IEC 62443 frameworks, and 24/7 operations.

Ideal candidate holds a bachelor's in a related field, 5+ years in IT/OT security, and can obtain government security clearance. Certifications such as CISSP/CISM/CEH/GICSP are highly valued.