Jobs

Senior Cyber Defence Engineer

Timo · Ho Chi Minh City, Vietnam · Backed by Square Peg

Location
Ho Chi Minh City, Vietnam
Seniority
Senior
Posted
23 Jun 2026
Listed until
23 Nov 2026, or when it closes

Cyber DefenseNetwork SecurityThreat DetectionVulnerability ManagementIncident ResponseAutomation

Apply on timo.vn ↗

About the role

We are looking for a Senior Cyber Defense Engineer to help shape and implement robust cyber defenses for Timo and Kredivo Group.

You will operate across the full cyber defence stack: endpoint security, WAF, network security and monitoring, DLP, threat intelligence, threat detection, and vulnerability/patch management. Working closely with Kredivo Group’s regional cyber defence team and Timo’s IT and engineering functions, you will help detect, contain, and respond to threats, keeping Timo’s banking platform and customers safe.

What You Will Do

  • Monitor and respond to all security alerts, triage Alerts, Investigate and Incident trigger
  • Operate and manage security controls (EDR, IDS/IPS, WAF, DLP) and review system configurations to recommend security improvements.
  • Drive vulnerability and patch management: Perform vulnerability assessments and recommend remediation measures.
  • Implement CIS hardening standards across laptops, desktops, network appliances, Servers, containers, and cloud environments.
  • Participate in security incident response: investigation, containment, and post-incident review.
  • Partner with the Threat Detection team: tune existing detections and develop new rules.
  • Apply threat intelligence: turn emerging threat data into stronger detection, containment, and response.
  • Threat Hunting: Conduct periodic threat hunting to identify hidden threats, suspicious activities, and IOCs within the enterprise environment.
  • Automation: Develop scripts and automation tools to streamline repetitive security operations and workflows.
  • Support for periodic information security reviews, such as firewall rule review, account review, and Regulation compliance support, such as PCI DSS/ SBV & MPS regulation/ISO 27001 framework familiarity.

What We Are Looking For

Experience

  • 4+ years in information security, with hands-on experience in two or more areas: SOC Analysis, cyber defence, incident response, threat hunting, threat intelligence, and vulnerability management.
  • Experience operating in production environments at a meaningful scale.
  • Comfortable working in cross-functional, regulated environments.

Skills & Expertise

  • Hands-on with: WAF, CDN, Firewall, SIEM, EDR, Cloud.
  • Working knowledge of EDR, DLP, and SIEM platforms.
  • Solid understanding of network security: firewalls, IDS/IPS, segmentation, system security (VM, Windows, Linux, Container), and cloud security.
  • Basic malware analysis and suspicious file behaviour investigation.
  • Experience with vulnerability and patch management workflows.
  • Familiarity with CIS hardening standards.
  • Good knowledge of modern adversary tactics, techniques, and procedures (MITRE ATT&CK or similar)
  • Professional working English: regular collaboration with Kredivo’s regional Cyber Defense team and Timo’s local teams.

Apply on timo.vn ↗ Applications go to Timo directly. CISO AI takes no fee and has no part in hiring.

CISO AI lists open roles at Y Combinator startups and at the portfolio companies of Australian venture funds, read daily from their own boards. This role is Timo's own listing; it leaves this page the day it leaves their board.