Lead – Cyber Defense Engineer

Lead – Cyber Defense Engineer

Location: Akbar Brothers – 1st Floor

Closing Date: 31/05/2026

Job Purpose

We are looking for a highly skilled Lead – Cyber Defense Engineer to spearhead our threat hunting and incident response initiatives. In this role, you will lead a specialized team to detect, mitigate, and neutralize advanced cyber threats. You will be responsible for maintaining a top-tier security posture across the organization, with a specific focus on securing telecommunications infrastructure and driving continuous improvement in cyber threat intelligence.

Key Responsibilities

Threat Management & Hunting

• Strategy Execution: Develop and lead advanced threat hunting strategies to proactively identify and mitigate emerging risks.

• TTP Analysis: Analyze threat actor Tactics, Techniques, and Procedures (TTPs) to validate potential threats and deploy effective countermeasures.

• Team Leadership: Direct the threat management team and oversee all cyber threat intelligence activities.

• Metrics & Reporting: Develop Key Risk Indicators (KRIs) and Key Performance Indicators (KPIs) for threat hunting operations; provide regular updates to senior management.

Security Operations & Engineering

• Operationalization: Monitor and manage the deployment of security solutions transitioned from design and architecture teams.

• Vulnerability Management: Lead periodic security posture assessments, simulate external attacks (red teaming), and oversee the remediation of identified vulnerabilities.

• Infrastructure Security: Enforce rigorous security standards at datacenters and ensure the security of telecommunications infrastructure, including signaling security.

• Systems Optimization: Improve log forwarding to SIEM tools and recommend security enhancements for hardware and software configurations.

Governance & Project Leadership

• Architecture Validation: Test and validate security architecture designs to ensure they meet industry standards.

• Compliance & Records: Maintain detailed documentation for compliance audits and communicate critical attack vector data to relevant stakeholders.

• Vendor Management: Lead security-related projects with external vendors, ensuring all information security requirements are met throughout the project lifecycle.

• Incident Response: Act as a Subject Matter Expert (SME) during security incidents, conducting thorough root-cause analysis to prevent recurrence.

Candidate Profile

Education & Experience:

• Education: BSc or MSc in Cybersecurity, Information Security, IT, or Engineering.

• Experience: 4–7 years of relevant professional experience in cyber defense or threat intelligence.

• Certifications: Professional certifications such as CEH, GSEC, CHFI, or equivalent are required.

Technical Expertise:

• Risk Assessment: Expertise in network risk and vulnerability assessments.

• Security Tools: Advanced knowledge of firewalls, Intrusion Detection Systems (IDS), and SIEM platforms.

• Offensive Security: Hands-on experience in penetration testing and simulated attack environments.

• Telco Security: Familiarity with Telecommunications signaling security is highly preferred.

Soft Skills:

• Mentorship: Proven ability to train and mentor threat hunters and intelligence analysts.

• Stakeholder Management: Ability to build strong relationships across the organization to improve security processes.

• Problem Solving: Strong analytical skills for conducting deep-dive incident investigations.

Join us to lead and enhance our threat hunting capabilities as we secure the future of our digital infrastructure!

Location: Colombo, Sri Lanka

Company: Dialog Axiata PLC

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