Senior SIEM Engineer

Tentacle Tech; Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Benefits offered by this job

Mentorship

Career progression

Training

Collaborative team

Job summary

Tentacle Tech is seeking a high-calibre Senior SIEM Engineer to own and scale a large-scale SIEM ecosystem within the finance sector. This platform-first role requires architecting, tuning, and end-to-end operation across on-prem, cloud, or hybrid environments.

You will lead detection engineering, optimize alert quality, and collaborate with SOC teams to improve incident response workflows while mentoring junior engineers and acting as a technical authority for SIEM incidents.

Qualifications

• 8+ years of hands-on experience in security engineering, SIEM engineering, or large-scale security monitoring platforms.
• Proven experience supporting 24x7 SOC environments and high-volume log ingestion.
• Demonstrated ownership of SIEM architecture, performance tuning, and detection engineering.
• Strong understanding of SOC operations, incident response workflows, and high-fidelity detection design.

Responsibilities

• Architect, build, and operate a large-scale SIEM platform across on-prem, cloud, or hybrid environments.
• Own performance tuning and capacity planning, including EPS/TPS modeling, search concurrency, and workload management.
• Onboard new log sources at scale across cloud, endpoint, network, identity, SaaS, and custom applications.
• Automate SIEM deployments, upgrades, configuration, and content management using IaC and CI/CD practices.
• Design, review, and optimize high-fidelity detection use cases aligned to MITRE ATT&CK.
• Partner with SOC teams to improve alert quality, investigation workflows, and triage effectiveness.
• Serve as the technical authority and escalation point for SIEM platform incidents, mentoring junior engineers along the way.

Skills

SIEM engineering

Security monitoring

Linux

Cloud platforms

Scripting

Automation

Incident response

Mentoring

Tools

MITRE ATT&CK

IaC

CI/CD

Job description

Tentacle Tech is an IT and software development consulting company serving some of Malaysia's largest enterprises. We deliver technology solutions, software development services, and IT consulting across multiple industries. We are looking for a talented professional to join our growing team.

The Role

We are seeking a high-calibre Senior SIEM Engineer to take ownership of a large-scale SIEM ecosystem within the finance sector. This is a platform-first role where you will architect, tune, and scale SIEM infrastructure end-to-end, while staying fluent in detection engineering and security operations. If you enjoy building SIEM platforms that perform reliably at scale and designing detections that genuinely work, this opportunity is built for you.

What You'll Do

• Architect, build, and operate a large-scale SIEM platform across on-prem, cloud, or hybrid environments
• Own performance tuning and capacity planning, including EPS/TPS modeling, search concurrency, and workload management
• Onboard new log sources at scale across cloud, endpoint, network, identity, SaaS, and custom applications
• Automate SIEM deployments, upgrades, configuration, and content management using IaC and CI/CD practices
• Design, review, and optimize high-fidelity detection use cases aligned to MITRE ATT&CK
• Partner with SOC teams to improve alert quality, investigation workflows, and triage effectiveness
• Serve as the technical authority and escalation point for SIEM platform incidents, mentoring junior engineers along the way

What We're Looking For

• 8+ years of hands‑on experience in security engineering, SIEM engineering, or large‑scale security monitoring platforms
• Proven experience supporting 24x7 SOC environments and high‑volume log ingestion
• Demonstrated ownership of SIEM architecture, performance tuning, and detection engineering
• Strong understanding of SOC operations, incident response workflows, and high‑fidelity detection design
• Solid foundation in Linux, networking, and cloud platforms, with hybrid security telemetry experience
• Proficiency in scripting and automation to standardize SIEM deployments and operations
• Strong troubleshooting skills and the ability to lead and mentor across SOC, cloud, and infrastructure teams

What We Offer

• Opportunity to work on large-scale, mission‑critical security platforms within the finance sector
• Mentorship and technical leadership opportunities within a growing team
• Ongoing training and career progression support
• A collaborative, supportive team environment

Information Technology Services 101-1,000 employees

Tentacle Technologies was founded in November 2001 with humble beginnings. Headquartered in Malaysia, today we operate in countries like Singapore, India and the Philippines. Our core services are Business Consulting, Software Development, Quality Assurance & IT solutions in Digital Transformation. We are techies with the right techniques to revamp businesses!

Unlike most of the tech companies that have been around since 2000’s, Tentacle Technologies understands the evolution of technology and accepts it as an integral part of future businesses. Our journey started sixteen years ago and our passion for technology has created a positive impact. From what started as a small team, we have grown to a team of 350 employees globally.

A dozen years in business, never lost a client, 350+ technology professional on board, more than 100 client partnerships, do we have to say more?

Tentacle Technologies was founded in November 2001 with humble beginnings. Headquartered in Malaysia, today we operate in countries like Singapore, India and the Philippines. Our core services are Business Consulting, Software Development, Quality Assurance & IT solutions in Digital Transformation. We are techies with the right techniques to revamp businesses!

Unlike most of the tech companies that have been around since 2000’s, Tentacle Technologies understands the evolution of technology and accepts it as an integral part of future businesses. Our journey started sixteen years ago and our passion for technology has created a positive impact. From what started as a small team, we have grown to a team of 350 employees globally.

A dozen years in business, never lost a client, 350+ technology professional on board, more than 100 client partnerships, do we have to say more?

Tentacle Technologies was founded in November 2001 with humble beginnings. Headquartered in Malaysia, today we operate in countries like Singapore, India and the Philippines. Our core services are Business Consulting, Software Development, Quality Assurance & IT solutions in Digital Transformation. We are techies with the right techniques to revamp businesses!

Unlike most of the tech companies that have been around since 2000’s, Tentacle Technologies understands the evolution of technology and accepts it as an integral part of future businesses. Our journey started sixteen years ago and our passion for technology has created a positive impact. From what started as a small team, we have grown to a team of 350 employees globally.

A dozen years in business, never lost a client, 350+ technology professional on board, more than 100 client partnerships, do we have to say more?

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