SR SECURITY ANALYST - SINGAPORE
Date: Feb 23, 2026
Location: SINGAPORE, SG, 369522
Company: Lumen Technologies
About Lumen
Lumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress.
We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape 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
Background Screening
If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page. Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Equal Employment Opportunities
We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.
Disclaimer
The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.
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