Careers at Sertis

Located in the heart of Bangkok’s Phrom Phong District, Sertis is ASEAN's leading Data and AI engineering and solutions company. Since 2014, our advanced solutions and products have powered over 400 enterprise Data and AI deployments at the region’s leading companies and conglomerates. We are also a member firm of Andersen Consulting, a global consulting practice integrating business strategy, digital transformation, and AI-driven technology solutions with Andersen Global’s world-class expertise.

Sertis provides both productized and bespoke AI and Data solutions for our Customers, optimizing and commercializing their data in ways that activate real business results. Our 140+ team have developed product offerings and IP ranging from advanced Computer Vision applications accredited Global Top 20 by NIST, to automated insights monetization for Retailers, eKYC for financial institutions, AI-driven agricultural safety assurance, precision steel cutting, trading algorithms for hedge funds, and enterprise knowledge management systems based on AI.

We are data and AI pioneers, dedicated to enhancing the economic and social lives of our customers via technology. We are not just living in history, we are making history everyday. In becoming one of the world’s leading Data and AI companies, we always double-down on remaining a place where a diverse mix of talent wants to come, do their best work, and stay. We pride ourselves on bringing the best talent worldwide into a culture that encourages learning, growth opportunities, innovative contributions, and a sense of ownership. As part of Andersen Consulting, we are committed to delivering best-in-class Data and AI solutions—aligned with a global platform known for innovation, integration, and impact—while continuing to set benchmarks in the region and beyond.

For more information, please visit: sertiscorp.com

Role Overview

As our Senior SRE, you will ensure system reliability and scalability by building automated, cost-optimized environments through IaC, balancing high performance with financial efficiency. You will optimize CI/CD pipelines for fast, consistent releases while owning Monitoring and Observability and defining critical SLAs/SLOs. To ensure system stability, you will lead Root Cause Analysis (RCA) to identify and mitigate underlying failures. You will join our collaborative environment as a key teammate, working alongside Machine Learning, Engineering, and Pre-sales teams to ensure the smooth delivery of our wonderful work as one unified team.

In this role, you will get to:

• Automate infrastructure, configuration, and deployments using IaC to ensure easy maintenance, consistency, and scalability.

• Ensure system availability and performance through continuous monitoring and proactive maintenance.

• Implement and manage SLAs to drive system efficiency and exceed customer expectations.

• Optimize cloud resource utilization to balance high performance with cost-efficiency.

• Design and optimize CI/CD pipelines to ensure fast, reliable, and automated software releases.

• Develop runbooks and procedures for streamlined incident response and routine maintenance.

• Collaborate with engineering teams to resolve production issues and implement reliability best practices.

• Lead incident response and post-mortems to identify root causes and prevent recurrence.

• Mentor engineers and advocate for DevOps culture to drive technical excellence across the organization.

You'll be successful if you have:

• 3–5 years of hands-on experience in designing, building, and maintaining cloud infrastructure and applying SRE practices in large-scale systems.

• Container Expertise: In-depth knowledge of container orchestration, specifically Docker and Kubernetes, to manage applications at scale.

• Cloud Proficiency: Hands-on experience with cloud components (VMs, Serverless, Storage, Networking) to ensure optimal utilization and cost-effectiveness.

• Advanced Automation & IaC: Strong skills in Terraform, ArgoCD, Helm, and GitLab CI.

• Observability: Experience with monitoring stacks (specifically Prometheus/Grafana) and defining measurable SLAs.

• Architectural Mindset: Ability to scope projects, define architectures, and select technologies based on project requirements.

• Security-First Approach: A "secure by design" mindset with experience in troubleshooting complex production issues.

• Leadership & Collaboration: Ability to work across teams and mentor junior/mid-level engineers through code reviews and workshops.

• Communication: Excellent verbal and written skills for engaging with both technical and non-technical stakeholders.

It’s a plus if you have:

• Secret Management: Experience with SOPS (Secrets Operations) for managing encrypted secrets within GitOps workflows.

• Pre-sales Experience: Experience gathering customer requirements and estimating project scope.

• Security Expertise: Hands-on experience with penetration testing tools like Nessus, Nikto, or Nmap.

• Certifications: Active cloud provider (AWS/GCP/Azure) or CNCF certifications (CKA/CKAD).

• Service Mesh: Experience utilizing technologies like Istio or Linkerd.

• Advanced Deployments: Implementation of canary or blue/green deployments for controlled and safe releases.

• Multitasking: Ability to effectively manage and deliver on multiple high-priority projects simultaneously.