Senior Analyst, Cyber Defence (SOC) - (Alerts & Automation)

Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly launch innovative digital brands or refresh existing ones, accelerating their transformation into techcos.

Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally.

Besides its SaaS business, Circles operates three other distinct businesses:

• Circles.Life: A wholly-owned digital lifestyle telco brand based in Singapore, Circles.Life is powered by Circles’ SaaS platform and pioneering go-to-market strategies. It is the digital market leader in Singapore and has won numerous awards for marketing, customer service, and innovative product offerings beyond connectivity.

• Circles Aspire: A global provider of Communications Platform-as-a-Service (CPaaS) solutions. Its cloud-based Experience Cloud platform enables enterprises, service providers and developers to deliver and scale mobile, messaging, IoT, and connectivity services worldwide.

• Jetpac: Specializing in travel tech solutions, Jetpac provides seamless eSIM roaming for over 200 destinations and innovative travel lifestyle products, redefining connectivity for digital travelers. Jetpac was awarded Travel eSIM of the Year.

Circles is backed by renowned global investors, including Peak XV Partners (formerly Sequoia), Warburg Pincus, Founders Fund, and EDBI (the investment arm of the Singapore Economic Development Board), with a track record of backing industry challengers.

Location - Bangalore

What You'll Do

As a Security Incident and SIEM Specialist, you will support Circle’s SOC team in areas such as cybersecurity incident response, SIEM alert creation, fine-tuning, and noise reduction. Your role includes managing threat intelligence, monitoring security events, investigating incidents, performing forensic analysis, and coordinating global incident response efforts. You will play a key role in enhancing SOC monitoring capabilities by optimizing alert quality and reducing false positives, thereby improving overall SOC efficiency and productivity.

What We’re Looking For:

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).

• 3-5 years of hands-on SOC or information security experience in a global IT environment.

• Experience with SIEM tools (Graylog, Splunk, ELK, Rapid7, LogRhythm, QRadar).

• Relevant certifications (GCIH, GCIA, Splunk/QRadar) are a plus.

Key Responsibilities:

• Triage and analyze security alerts, assess threats, and prioritize based on risk and impact.

• Execute incident response procedures and document findings clearly.

• Distinguish false positives from real threats using SIEM and security tools.

• Understand common attack vectors, TTPs, and apply contextual log analysis.

• Collaborate with cross-functional teams to ensure effective incident response.

• Stay updated on emerging threats and security trends.

SIEM & Scripting:

• Strong UNIX/Linux skills and proficiency in Bash or Python scripting.

• Skilled in RegEx, log parsing, pipeline creation, and data normalization.

• Experience in SIEM tuning, use case development, and alert optimization.

• Familiar with building and enhancing detection rules and threat analytics.

• Exposure to AI/ML for noise reduction and threat detection is a plus.

Other Requirements:

• Willingness to work in a hybrid setup and 24x7 environment.

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.

By submitting an application for this position, you, as the applicant, or your authorised representative(s), consent to Circles’ Candidate Data Protection and Privacy Policy. You also agree to the collection, use, and/or disclosure of your personal data by us solely for recruitment purposes as specified in the Policy. You acknowledge that you have read and understood the Policy, are aware of your rights regarding your personal data, and accept the terms relating to international data transfers, where applicable. You further understand that you may withdraw consent at any time, which may affect our ability to consider your application. In instances where your personal data or application is submitted by a third party, it is understood that such third party has been duly authorised by you to disclose the relevant personal data and provide consent on your behalf, and that you have been made aware of this Policy.

To all recruitment agencies: Circles will only acknowledge resumes shared by recruitment agencies if selected in our preferred supplier partnership program.

Please do not forward resumes to our jobs alias, Circles, employees or any other company location. Circles will not be held accountable for any fees related to unsolicited resumes not uploaded via our ATS.