First seen by Alion on Oct 20, 2026.
We hack things for a living, then help our clients fix them. If you are tired of being a ticket in a queue and want your work to protect real organisations across Singapore and Southeast Asia, read on.
Quadrant360 a regional cybersecurity firms specialising in VAPT, OT/ICS security, AI Cybersecurity, red/purple/blue teaming and managed security services. You will work directly under our Security Manager on projects that matter.
What You Will Do- Lead vulnerability assessments, penetration tests, red teaming and risk assessments
- Implement Microsoft Security, network, SIEM, SOAR and firewall solutions
- Run daily operations of our managed security services
- Mentor junior team members and raise the bar for the whole team
- Support Sales by qualifying security opportunities with real technical judgement
- Present our cybersecurity capabilities to clients
What You Bring
- Diploma or degree in Computer Engineering, Information Engineering or a related field
- 5+ years of cybersecurity and delivery experience
- Strong analytical skills
- Solid knowledge of network, system and security domains, including web, DNS, email, firewall, XDR and SIEM
- Hands on experience in Penetration Testing, Red/Purple/Blue Teaming
- Hands on experience with Cisco, Microsoft, Fortinet, SentinelOne, CrowdStrike or Palo Alto
- Presales and delivery support experience
- Strong written English, especially technical proposals
- A proactive attitude, equally effective alone or in a team
- Minimally OSCP, CREST CRT
- Azure, Microsoft or Google security certifications
- Certification and training budget for motivated staff
- Direct access to senior leadership and a real mentor
- A mix of offensive, defensive and OT cybersecurity work, so you will not be bored
- Room to grow into a managerial role
Send your CV and a short note on the toughest security problem you have solved.
Skills
Information Security, Managed Security Services, SIEM, firewall software, MS Security, Cyber Security, AI Red Teaming, Penetration Testing, Networking, Cybersecurity, Selling security solutions, Web Application Security, Security Consulting, mentors team members, Vulnerability Assessment

