SR SECURITY ANALYST - SINGAPORE
Date: Mar 24, 2026
Location: SINGAPORE, SG, 369522
Company: Lumen Technologies
Lumen is the trusted network for AI. We’re transforming how businesses connect, secure, and scale in an AI-driven world.
By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what’s next.
At Lumen, people power progress. Our culture is built on teamwork, trust, and transparency, giving you the flexibility, support, and opportunity to make a lasting impact. We’re looking for top-tier talent ready to take on the challenge. Join us in building the future.
The Role
Location: Singapore
Reports to: Security Operations Manager – Asia Pacific
Support Hour: Shift Work
We are seeking a skilled Security Operations Center (SOC) Analyst to join our Managed Security Services team. The Senior SOC Analyst is responsible for advanced incident investigation, threat hunting and customer engagement within the SOC. This role requires deep technical expertise to analyze complex attacks, lead incident response activities and enhance detection capabilities. The Senior SOC Analyst will also mentor junior analysts and contribute to service improvement initiatives.
Working within a 24x7 SOC, the analyst ensures timely detection of threats and provides initial response in line with established playbooks and SLAs.
The Main Responsibilities
- Lead investigations of high-severity incidents including root cause analysis and containment strategies.
- Perform root cause analysis and recommend containment, eradication and recovery actions.
- Perform proactive threat hunting and detection engineering aligned to MITRE ATT&CK.
- Develop, fine-tune and validate SOC detection use cases, dashboards and automation playbooks.
- Engage directly with customers during incident response and regular security reviews.
- Provide clear and concise incident reports including technical analysis and recommendations.
- Provide technical guidance and mentorship to Tier 1 analysts.
- Collaborate with consulting, engineering and threat intelligence teams for service improvements.
- Contribute to compliance and regulatory reporting (e.g. MAS TRM, PCI DSS, ISO 27001)
- Stay up to date with emerging threats, attack vectors and security technologies.
- Contribute to SOC knowledge base, playbooks and best practices.
- Participate in red team / blue team exercises and cross-training.
What We Look For in a Candidate
- Bachelor’s degree in Information Security, Computer Science or equivalent professional experience.
- 3-5 years of SOC, incident response or threat hunting experience.
- Strong hands-on knowledge of SIEM (Splunk, Sentinel, Cortex XSIAM), SOAR and EDR/XDR platforms.
- Familiarity with cloud security monitoring (AWS, Azure, GCP) and IoT/OT threat detection.
- Knowledge of malware analysis, phishing detection and insider threat scenarios.
- Familiarity with frameworks like MITRE ATT&CK, MITRE D3FEND and NIST CSF.
- Preferred certifications: GCIA, GCIH, GCFA, GREM, CISSP or vendor-specific certifications (e.g Palo Alto, CrowdStrike, Microsoft, Fortinet)
- Strong analytical and problem-solving skills with ability to work under pressure.
- Excellent customer communication and report writing skills.
- Ability to work in a 24x7 shift environment.
- Team oriented, adaptable and eager to learn in a fast-paced environment.
What We Offer
- Opportunity to work with a global MSSP SOC across enterprise clients.
- Access to advanced security platforms (Palo Alto XSIAM/XDR, Tenable, Armis, etc)
- Training, certification support and career growth into roles such as Threat Hunter or SOC Leaders.
- Collaborative and innovation driven work culture.
Compensation
What to Expect Next
Requisition #: 341293
The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.
We are committed to making reasonable adjustments to the recruitment process for people with disabilities. If there is anything we can do to help you, please let us know.
We are committed to providing equal employment opportunities to all persons regardless of race, religion, colour, sex, age, disability or sexual orientation or any other status protected by local or national law. We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.
Join a diverse and inclusive culture where everyone is welcome and every voice is heard. A culture where people feel they belong, can be themselves and feel inspired to share different perspectives. Our culture, shared values and behaviours truly make Lumen a fantastic place to work and provides an environment where people can genuinely thrive.
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To review Lumen’s Privacy Notice, please visit:
https://jobs.lumen.com/global/en/privacy-notice
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