Senior Security Analyst

About Us At Logicalis Asia Pacific, this is where you belong, grow, and thrive — at one of APAC's leading AI-driven technology integrators. As the Architects of Change™, we combine global expertise with local insight to help organisations accelerate their journey toward becoming AI-ready enterprises. With 7,000+ professionals across 30 territories and more than 10,000 clients worldwide, we deliver lifecycle services across cloud, connectivity, collaboration, cybersecurity, and managed services — providing real-time visibility and intelligence across our clients' digital ecosystems. You'll belong as part of a collaborative regional team embedded within a global organisation. You'll grow through hands-on experience with the world's leading technology partners, supported by investment in certifications, consulting capability, and cross-border opportunity. And you'll thrive in a culture built on inclusion, trust, and continuous improvement. Logicalis is proud to be a Great Place to Work® Certified™ organisation across multiple APAC markets — because the commitment we bring to our clients belongs equally to our people. Join us and help shape the future of technology across APAC. Detection Engineering • Design, develop, and deploy high-fidelity detection rules in SIEM (Splunk, Microsoft Sentinel, Devo, QRadar, EDR, etc.). • Create custom use cases to detect MITRE TTPs aligned with real-world threats and red team activities. • Conduct detection gap analysis, tune alerting mechanisms, and eliminate false positives at the MSS customer environment • Perform regular fine-tuning and optimization of detection rules, correlation logic, and alert thresholds across SIEM, EDR, and other security platforms to enhance detection accuracy and reduce false positives. • Continuously assess detection efficacy based on incident feedback and threat landscape evolution, implementing improvements accordingly. • Collaborate with red/purple teams to validate detection logic and build threat-informed defenses. • Regularly review, update, and enhance detection logic to ensure alignment with the latest threat intelligence, adversary TTPs, and evolving attack techniques. • Maintain relevancy and effectiveness of security detections by incorporating insights from threat hunts, incident response cases, red team exercises, and industry best practices. Threat Hunting and Threat Intel: • Proactively hunt for advanced threats across on-prem and cloud environments using telemetry from SIEM, EDR, NDR, and threat intelligence. • Develop hypotheses based on TTPs, threat intelligence feeds, and incident trends. • Use frameworks like MITRE ATT&CK and Diamond Model to structure hunting campaigns. • Document hunt procedures and outcomes to support knowledge sharing and continuous improvement. • Map threat actor TTPs to frameworks such as MITRE ATT&CK to support proactive defense strategies and inform detection engineering efforts. • Provide actionable threat intelligence to SOC, detection engineering, and IR teams to inform custom detection rule development, prioritization of hunts, and incident scoping • Contribute to the threat intelligence lifecycle, including direction, collection, processing, analysis, dissemination, and feedback. • Ingest, analyze, and operationalize threat intelligence from internal sources, commercial feeds, and open-source intelligence (OSINT) to enrich detection logic, threat hunting hypotheses, and incident investigations • Collaborate with internal and commercial threat intelligence teams to contextualize IOCs and TTPs for targeted and industry-specific threats. • Maintain up-to-date threat intelligence repositories and contribute to the continuous improvement of threat intel processes and playbooks Incident Response: • Lead incident response lifecycle (detection, triage, containment, eradication, recovery). • Handle security incidents tickets escalated by Level II team, and draft security incident report covering the root cause, forensic evidence, and recommended mitigation plans • Conduct/support forensic analysis of endpoints, logs, and network traffic to determine root cause and impact. • Coordinate with internal stakeholders and external partners during critical incidents. • Develop and maintain playbooks, runbooks, and incident reports. • Digital Forensics and Incident Response (DFIR) experience is a strong added advantage, enabling deeper investigations and root cause analysis. Collaboration & Mentorship : • Mentor and support L1/L2 SOC analysts in investigations, tool usage, and processes. • Participate in tabletop exercises and red/purple team assessments. • Lead and conduct regular customer meetings to review SOC activities, including security posture, key metrics, and ongoing initiatives. • Prepare and deliver detailed briefings on priority incidents, RCA, ensuring timely communication of root cause, impact analysis, mitigation steps, and next actions. • Act as a primary point of contact for Incident escalations and maintain consistent, professional engagement with client stakeholders. • Coordinate with cross-functional teams including Engineering, Development, Red Team, and Risk/Compliance. • Identify gaps in existing SOC process and work with team members or other departments to create, modify standard operating procedures, to automate any mundane daily operational activities, ensuring Ops are run efficiently. Requirements: • Candidate should have at least 8-10 years of working experience in SOC and MSS environments, • Bachelor's degree in computer engineering, Computer Science, Cyber Security, Information Security, or other equivalents. • Excellent hands-on experience in implementations, incident analysis of Splunk, IBM QRadar, Azure Sentinel SIEM (Security Information and Event Management) & Devo technologies. • Hands on experience on any Endpoint Protection (EPP) or Endpoint Detection Response (EDR) technologies. Preferred if CrowdStrike, Microso…