IT Security Officer

Base Camp Digital; Singapore; On-site; SGD 90,000 - 130,000; Part time

Job summary

Base Camp Digital is seeking an IT Security Officer to protect mission-critical IT and OT environments in Singapore. You will lead cybersecurity operations, incident response, vulnerability management, and risk assessments across IT, OT, and cloud initiatives.

Collaborate with IT, engineering, operations, and security teams to strengthen controls, support compliance with NIST/IEC frameworks, and drive security training for staff and vendors.

Qualifications

• Bachelor’s degree in Cybersecurity or related field.
• 5+ years IT security/OT security experience.
• Experience in critical infrastructure or regulated environments.
• Hands-on with SIEM/IDS/IPS and incident response.
• Knowledge of NIST/IEC 62443/FISMA or similar frameworks.

Responsibilities

• Manage OT asset inventories, network architecture, data-flow diagrams, and security baselines.
• Monitor IT/OT environments using SIEM, IDS/IPS, endpoint security.
• Investigate and respond to cybersecurity incidents and support remediation.
• Conduct risk assessments, security reviews, vulnerability assessments, and audits.
• Coordinate remediation, patching, penetration testing, and security improvement programmes.
• Support cybersecurity compliance against frameworks such as NIST, IEC 62443, FISMA, ISO 27001.
• Support business continuity and disaster recovery planning and testing.
• Conduct security assessments of vendors, suppliers, and third-party technology providers.
• Support cloud security initiatives across AWS and/or Azure environments.
• Develop cybersecurity awareness and training programmes.
• Act as cybersecurity SME and communicate risks to technical and non-technical stakeholders.

Skills

IT Security

OT Security

Threat management

Incident response

Vulnerability management

Communication skills

Education

Bachelor's degree in Cybersecurity / IT / CS

Tools

SIEM

IDS/IPS

Endpoint security

Security monitoring

Incident response

Job description

Location: Singapore
Employment Type: 1 Year Contract (Highly Renewable)

Role Overview

We are hiring for an IT Security Officer to protect mission-critical IT and Operational Technology (OT) environments on behalf of our client. The role covers cybersecurity operations, OT security, incident response, vulnerability management, risk, compliance, and third-party security. You will work closely with IT, engineering, operations, infrastructure, and security teams to strengthen cybersecurity controls across critical operational environments.

Key Responsibilities

• Manage and maintain OT asset inventories, network architecture, data-flow diagrams, and security baselines.
• Monitor IT/OT environments using SIEM, IDS/IPS, endpoint security, and other security technologies.
• Investigate and respond to cybersecurity incidents and support remediation activities.
• Conduct cybersecurity risk assessments, security reviews, vulnerability assessments, and audits.
• Coordinate vulnerability remediation, patching, penetration testing, and security improvement programmes.
• Support cybersecurity compliance against relevant frameworks and standards such as NIST, IEC 62443, FISMA, and ISO 27001.
• Support business continuity and disaster recovery planning and testing.
• Conduct security assessments of vendors, suppliers, and third-party technology providers.
• Support cloud security initiatives across AWS and/or Azure environments.
• Develop cybersecurity awareness and training programmes.
• Act as a cybersecurity subject matter expert and communicate security risks to technical and non-technical stakeholders.

Requirements

• Bachelor's Degree in Cybersecurity, IT, Computer Science, Computer Engineering, or related discipline.
• 5+ years of IT Security / Cybersecurity / OT Security experience.
• Experience in critical infrastructure, government, scientific, industrial, or highly regulated environments.
• Hands-on experience with SIEM, IDS/IPS, endpoint security, security monitoring, and incident response.
• Strong understanding of cybersecurity operations, threat management, vulnerability management, and risk assessment.
• Experience with OT/ICS/SCADA environments is highly preferred.
• Knowledge of NIST, IEC 62443, FISMA, or similar frameworks.
• Strong stakeholder management and communication skills.
• Ability to obtain and maintain the required security clearance.

Preferred Certifications

• CISSP
• CISM
• GICSP
• CEH
• GIAC or other relevant cybersecurity certifications