Senior Cyber Security Engineer

Circles Discover how Circles transforms telcos into techcos, ensuring top consumer choice and industry-leading margins. Learn how we innovate and excel! Founded in 2014, Circles is a global technology company reimagining the telco industry with its SaaS platform - Circles X, helping telco operators launch and operate successful digital brands through its offerings. Having pioneered a successful blueprint for disrupting the telco space in Singapore, Circles has since launched its own digital telco, Circles.Life, in Singapore, Taiwan and Australia. Circles has also partnered with other telco operators to launch digital services, enabling our partners to accelerate growth and capture market share within a short period of time. Today, Circles is partnering with operators in 14 countries to deliver delightful digital experiences to millions of people through our businesses. We are backed by global investors such as Sequoia, Warburg Pincus, EDBI and Founders Fund – renowned backers of industry-shaking innovators. Key Responsibilities: Security & Compliance Leadership: Collaborate with Product Managers, Architects, and Development teams to ensure security and compliance requirements are embedded in cutting-edge technologies. Security by Design: Partner with Development teams to integrate security, risk, and compliance into Agile and DevSecOps workflows. Industry Best Practices: Identify security and compliance pain points in system design, development, and deployment and collaborate across teams to enhance security posture. Incident Response & Threat Intelligence: Conduct root cause analysis (RCA) for security incidents, generate actionable threat intelligence, and work closely with SOC teams to track emerging threats. Stakeholder Engagement: Drive alignment between security, engineering, and business teams, ensuring security requirements are met efficiently. What You Bring to the Team: 5+ years of proven experience in cybersecurity, compliance, or risk management. Bachelor's degree in Computer Science, Cybersecurity, IT, or equivalent. Strong knowledge of security frameworks (NIST, ISO 27001). Hands-on experience with web application penetration testing, vulnerability assessments, and security reporting. Ability to translate regulatory requirements into technical controls and security architecture. Experience with UML diagrams for security architecture and system design. Moderate scripting skills (Python etc.) for automation and security analysis. Familiarity with cryptography principles and modern DFIR (Digital Forensics & Incident Response) tools. Strong cloud security knowledge across AWS, Azure, or GCP. Experience in Threat Intelligence, including querying raw intelligence and generating impactful insights. Proficiency in security incident handling, writing technical reports, and presenting findings to management. Strong coordination and stakeholder management skills for security initiatives. Solid understanding of threat hunting techniques, TTPs (Tactics, Techniques & Procedures), and generating IOCs for SOC teams. Self-motivated, adaptable, and quick to learn emerging security technologies. Familiarity with Secure Development Life Cycle (SDLC), Object-Oriented Programming (OOP), and modern application security. Experience with microservices security, container orchestration (Docker, Kubernetes), and cloud-native security. Knowledge of advanced security tools for forensic investigation, CVSS scoring, penetration testing, and risk assessment. Industry certifications such as OSWE, OSCP, CRT are highly advantageous. Circles is committed to a diverse and inclusive workplace. We are an equal opportunity employer and do not discriminate on the basis of race, national origin, gender, disability or age. #J-18808-Ljbffr