Application Engineer (Site Reliability)

U3 INFOTECH PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

U3 INFOTECH PTE. LTD. seeks a Site Reliability Engineer to provide SRE and production support for the Ona platform within Developer platforms. You will monitor the platform, troubleshoot incidents, perform root-cause analysis, and drive reliability improvements.

You will automate operations, maintain runbooks, participate in on-call rotations, and collaborate with diverse engineering teams to optimize availability, stability and performance while reducing manual effort.

Qualifications

• Minimum 5 years of strong software engineering experience with proficiency in at least one programming language.
• Minimum 2 years of hands‑on experience supporting the reliability and availability of production systems in an SRE or production support environment.
• Minimum 3 years of AWS experience with a solid understanding of cloud services and infrastructure management (AWS certifications are advantageous).
• Minimum 3 years of experience with containerization technologies such as Docker, Kubernetes, EKS, and Helm (relevant certifications are advantageous).
• Proven experience with infrastructure as code tools such as Terraform and CloudFormation.
• Proficiency with CI/CD workflows and GitHub Actions.
• Knowledge of artifact repository management systems such as JFrog.
• Strong Linux administration skills and Shell scripting expertise.
• Experience with log aggregation and observability tools such as CloudWatch, Splunk, and Datadog.
• Working knowledge of service monitoring, alert management, SLIs/SLOs, incident response, root‑cause analysis, and post‑incident follow‑up.
• Experience in diagnosing and resolving complex system issues across multiple technology layers.
• Able to troubleshoot production incidents, coordinate timely resolution, and communicate status clearly to technical and business stakeholders.
• Experience in automating repetitive operational tasks, improving runbooks, and reducing manual support effort.
• Willingness to participate in an on‑call support rotation for critical production services, where required.
• Able to optimize developer workflows and enhance developer experience.
• Passion for advocating and implementing best practices in Software Engineering, SRE, and DevOps.
• Excellent communication skills to work effectively with diverse engineering teams.
• Strong team‑player mindset, focused on leveraging experience to help the team succeed.
• Possess positive learning and collaborative mindset.
• Strong analytical, problem‑solving and troubleshooting skills.
• Good written and verbal communication skills.
• Agile, fast learner and able to adapt to changes.

Responsibilities

• Provide SRE and production support for the Ona platform within Developer platforms.
• Monitor the platform and troubleshoot incidents, perform root-cause analysis, and drive reliability improvements.
• Automate operational tasks, maintain runbooks, and participate in on-call rotations as needed.
• Ensure platform availability, stability and performance while reducing manual effort.

Skills

SRE mindset

Strong communication

Team collaboration

Agile learning

Problem solving

Tools

AWS

Kubernetes

Docker

Terraform

CloudFormation

CI/CD pipelines

GitHub Actions

JFrog

Linux

Shell scripting

CloudWatch

Splunk

Datadog

EKS

Helm

Job description

Summary:

• The successful candidate will provide Site Reliability Engineering (SRE) and production support for the Ona platform within Developer platforms.
• Responsibilities include platform monitoring, incident troubleshooting and resolution, root-cause analysis, service reliability improvements, operational automation, runbook maintenance, and on-call support where required.
• The role will help maintain platform availability, stability, and performance while reducing manual operational effort.

Skillset Requirements

• Minimum 5 years of strong software engineering experience with proficiency in at least one programming language, i.e. JavaScript, Java, Python, or .NET.
• Minimum 2 years of hands‑on experience supporting the reliability and availability of production systems in an SRE or production support environment.
• Minimum 3 years of AWS experience with a solid understanding of cloud services and infrastructure management (AWS certifications are advantageous).
• Minimum 3 years of experience with containerization technologies such as Docker, Kubernetes, EKS, and Helm (relevant certifications are advantageous).
• Proven experience with infrastructure as code tools such as Terraform and CloudFormation.
• Proficiency with CI/CD workflows and GitHub Actions.
• Knowledge of artifact repository management systems such as JFrog.
• Strong Linux administration skills and Shell scripting expertise.
• Experience with log aggregation and observability tools such as CloudWatch, Splunk, and Datadog.
• Working knowledge of service monitoring, alert management, SLIs/SLOs, incident response, root‑cause analysis, and post‑incident follow‑up.
• Experience in diagnosing and resolving complex system issues across multiple technology layers.
• Able to troubleshoot production incidents, coordinate timely resolution, and communicate status clearly to technical and business stakeholders.
• Experience in automating repetitive operational tasks, improving runbooks, and reducing manual support effort.
• Willingness to participate in an on‑call support rotation for critical production services, where required.
• Able to optimize developer workflows and enhance developer experience.
• Passion for advocating and implementing best practices in Software Engineering, SRE, and DevOps.
• Excellent communication skills to work effectively with diverse engineering teams.
• Strong team‑player mindset, focused on leveraging experience to help the team succeed.
• Possess positive learning and collaborative mindset.
• Strong analytical, problem‑solving and troubleshooting skills.
• Good written and verbal communication skills.
• Agile, fast learner and able to adapt to changes.

SKILLS: SRE, Production support, Terraform, CloudFormation, AWS, Kubernetes, Docker, CI/CD, Python, Java, JavaScript or.NET, Splunk, CloudWatch, Datadog
U3 Privacy Notice:
Please refer to U3’s Privacy Notice for Job Applicants/Seekers at https://u3infotech.com/privacy-notice-job-applicants/.When you apply, you voluntarily consent to the collection, use and disclosure of your personal data for recruitment/employment and related purposes.