Security Monitoring

2 days ago

Singapore Assurity Trusted Solutions Full time

Assurity Trusted Solutions (ATS) is a wholly owned subsidiary of the Government Technology Agency (GovTech). As a Trusted Partner over the last decade, ATS offers a comprehensive suite of products and services ranging from infrastructure and operational services, authentication services, governance and assurance services as well as managed processes. In a dynamic digital and cyber landscape, where trust & collaboration are key, ATS continues to drive mutually beneficial business outcomes through collaboration with GovTech, government agencies and commercial partners to mitigate cyber risks and bolster security postures.

**Responsibilities**:

- Design and implement security controls and detection logic across platforms including Google Workspace (GWS), Azure, and others.
- Configure and optimize logging, alerting, and telemetry pipelines from cloud and SaaS platforms to the SIEM (e.g., Elastic, DataDog etc.).
- Develop or adapt detection rules and queries tailored to business-relevant use cases.
- Collaborate with the Incident Response Manager to triage and investigate alerts, provide context, and refine detections post-incident.
- Work closely with the Application Security Officer and Infrastructure Security Specialist to tune monitoring coverage and reduce noise.
- Maintain an inventory of log sources, validate ingestion and parsing, and ensure coverage of key threat surfaces.
- Keep abreast of threat intelligence and emerging TTPs to evolve detection logic accordingly.

**Requirements**:

- Strong understanding of cloud-native and SaaS platform logging (GWS, Azure, Microsoft 365, etc.).
- Experience with SIEM integration, log normalization, and detection rule frameworks (e.g. Sigma, MITRE ATT&CK mappings).
- Proficient in at least one query language
- Understanding of security telemetry, signal fidelity, and how alerts drive investigations.
- Familiarity with incident response workflows and how detection informs containment and remediation.
- Comfortable working across security, infrastructure, and DevOps teams to enable effective detection.
- Hands-on experience with Microsoft Sentinel, Chronicle, Elastic, or similar platforms.
- Experience with custom parser creation, enrichment pipelines, or SOAR tools.
- Exposure to Threat Hunting, Purple Teaming, or detection-as-code practices.
- Certifications like GCDA, GCTI, SC-200, or AZ-500 are a plus.

Join us and discover a meaningful and exciting career with Assurity Trusted Solutions**Benefits**
- A wholly-owned subsidiary of GovTech.
- We promote a learning culture and encourage you to grow and learn.

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