Lead Consultant (Red Teaming Experience, OSCP, CREST CRT Cert Required)

NCS Pte Ltd; Singapore; On-site; SGD 130,000 - 170,000; Full time

Job summary

NCS Pte Ltd is seeking a Lead Consultant to provide expert IT security consultancy and advisory services, safeguarding networks, mobile and web applications, and IoT devices. The role covers red teaming, security system configuration, source code review, and penetration testing.

You will design and execute sophisticated red team operations, perform multi-layered security assessments across network, cloud, and physical domains, and mentor junior team members within Team NCS.

Qualifications

• OSCP, OSEP, OSWE, CRTO or CRTP certifications are required.
• Experience with cloud security and red team operations is advantageous.
• Experience with threat intelligence or purple team exercises is an advantage.

Responsibilities

• Perform red teaming exercises to simulate real-world attacks across networks, apps and IoT.
• Conduct penetration testing and security assessments of web/mobile apps, APIs, networks and cloud.
• Develop custom tools and scripts to improve testing capabilities.
• Mentor junior team members and share knowledge within Team NCS.

Skills

OSCP

OSEP

OSWE

CRTO

CRTP

Cloud security

Red team operations

Threat intelligence

Purple team exercises

Job description

Company Description

NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.

Job Description

A Lead Consultant provides expert IT security consultancy and advisory services, helping to secure cyber assets, including networks, mobile applications, web applications, and IoT devices. The role involves red teaming, security system configuration, source code review, and penetration testing.

Duties & Responsibilities

• Perform red teaming exercises to simulate real-world adversarial attacks, testing organisational defences, incident response capabilities, and security awareness across people, process, and technology.
• Conduct technical security assessments, including penetration testing, source code review, and security configuration analysis.

Red Teaming & Adversary Simulation

• Design and execute sophisticated red team operations that simulate advanced persistent threats (APTs) and real-world attack scenarios
• Conduct multi-layered security assessments across network, application, cloud, and physical security domains
• Emulate threat actor tactics, techniques, and procedures (TTPs) aligned with frameworks such as MITRE ATT&CK
• Test detection and response capabilities of security operations centres (SOCs) and incident response teams

Penetration Testing

• Perform comprehensive penetration testing across web applications, mobile applications, APIs, network infrastructure, and cloud environments
• Conduct vulnerability assessments using both automated tools and manual testing techniques
• Execute ethical hacking methodologies following industry standards including PTES (Penetration Testing Execution Standard), OWASP, and OSSTMM
• Identify security weaknesses in system configurations, code implementations, and security control

Continuous Improvement

• Stay current with emerging threats, attack vectors, and security trends
• Develop custom tools, scripts, and exploits to enhance testing capabilities
• Mentor junior team members and share knowledge across Team NCS

Qualifications

• Relevant certifications such as OSCP, OSEP, OSWE, CRTO, CRTP or equivalent red teaming credentials is required.
• Relevant experience with cloud security, red team operations, threat intelligence or purple team exercises is an advantage.

Additional Information

We are driven by our AEIOU beliefs - Adventure, Excellence, Integrity, Ownership, and Unity and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.

Learn more about us at ncs.co and visit our LinkedIn career site.