penetration tester

2 weeks ago

Singapore YY SMART TECH PTE. LTD. Full time
Roles & Responsibilities

Job Overview

We are seeking for a Penetration Tester with CAT1 Security Clearance to lead VAPT for Singapore government and critical infrastructure sectors. You will execute full-scope attacks (networks, apps, cloud, OT), bypass advanced defenses, and deliver actionable remediation strategies.

This role requires CREST/OSCP certification, deep exploit development skills, and experience with GovTech cybersecurity frameworks.

Core Responsibilities

Advanced Threat Emulation:

  • CAT1-cleared engagements:
  • Network: Breach segmented govt networks (e.g., air-gapped systems)
  • Applications: Exploit web/mobile apps (SCADA interfaces, GovTech portals)
  • Cloud: Attack AWS GovCloud/Azure Government environments
  • OT: ICS/SCADA system penetration (Siemens, Rockwell)
  • Develop custom malware/exploits (C++, Python) to evade EDR/XDR.

Red Team Operations:

  • Lead multi-vector campaigns:
  • Phishing (Evade Proofpoint/MS ATP)
  • Physical security bypass (RFID cloning, access control spoofing)
  • Wireless attacks (802.1X, WPA3-Enterprise)
  • Document TTPs aligned with MITRE ATT&CK for ICS/Enterprise.

Govt Compliance & Reporting:

  • Align tests with IM8, CSA Red Teaming Guidelines, and NIST SP
  • Deliver executive briefings to CISOs with exploit demos.
  • Create remediation playbooks

Research & Development:

  • Reverse engineer firmware (Binwalk, Ghidra) for 0-day discovery.
  • Contribute to ASEAN CERT advisories (e.g., SingCERT).

Technical Requirements

Non-Negotiable Credentials:

  • CAT1 Security Clearance
  • Active Certifications: OSCP or CREST CRT/CCT (Inf/App)
  • 2+ years in pentesting

Tool Proficiency

  • Exploitation - Metasploit Pro, Cobalt Strike, Burp Suite Pro, PowerSploit
  • Post-Exploit - BloodHound, Mimikatz, Impacket, Covenant C2
  • Forensics - Volatility, Wireshark, CHIRP (ICS)
  • Wireless - HackRF One, Proxmark3, Wi-Fi Pineapple
  • Cloud - Pacu (AWS), MicroBurst (Azure), GCP IAM Exploit Toolkit

Preferred Qualifications

  • Certifications: OSCE3, CREST CCT Gold, OSCP
  • Govt Framework Experience: IM8 Penetration Test Guidelines, CSA Cyber Essentials
  • Public Contributions: CVEs, exploit-db submissions, conference talks (Black Hat Asia, DEFCON)
Tell employers what skills you have
Security Clearance
Remediation
Wireshark
Exploitation
Physical Security
Wireless
Access Control
SCADA
Phishing
Gold
Penetration Testing
Python
Firmware
GCP
Burp Suite

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