Sepenuh Masa L3 Application Support Engineer Jobs, salary up to SGD 9,000 in HI5 CONSULTING SOLUTIONS PTE. LTD. - Maukerja

Role Overview

We’re looking for a highly analytical and performance-driven L3 Application Support Engineer with deep expertise in SRE, DevOps, and enterprise infrastructure. The role focuses on ensuring high availability for critical banking/corporate systems, driving automation, and leading complex incident resolution with minimal business impact.

Key Responsibilities

System Reliability & Incident Management

Provide L3 application support for 24/7 production environments with strict SLA adherence

Rapid triage, root cause analysis, and resolution of high-severity incidents for banking/corporate apps

Lead DR drills, post-mortems, and implement resilience improvements

Proactive health checks, patching, and performance monitoring to prevent outages

Manage CI/CD pipelines using Jenkins/GitLab, Bitbucket, and Azure Automation Runbooks

Implement Infrastructure as Code and automated deployments across Dev, UAT, Prod

Build scripts in PowerShell, Bash, Python, KQL, T-SQL to reduce manual toil and streamline operations

Track EOS/EOL components and drive technical upgrades for compliance

Platform & Database Administration Administer Azure SQL PaaS/IaaS, PostgreSQL, MongoDB, Redis, Elasticsearch, MariaDB

Manage Windows Server, RHEL8/9, OpenShift, and AWS S3 workloads

Configure monitoring and dashboards using Azure Log Analytics, ELK Stack, Grafana, OAPM

Security & Collaboration Remediate vulnerabilities using Microsoft Defender for Cloud/SQL and ensure compliance

Partner with Dev, Security, Compliance, and Vendor teams for long-term fixes

Own change/release management and maintain environment consistency

Create runbooks, SOPs, and knowledge transfer docs for L1/L2 teams

Required Skills & Qualifications

Cloud & Infrastructure: Azure Portal, Azure SQL, Logic Apps, VM Mgmt, RHEL8/9, OpenShift, AWS S3

Databases: SQL Server *************, MongoDB, Redis, Elasticsearch, PostgreSQL, MariaDB

DevOps/Tools: Jenkins/GitLab CI/CD, Bitbucket, Jira, Confluence, ELK, Grafana

Automation: PowerShell, Bash, KQL, T-SQL, Power Automate, Power Apps, Power BI

Security: Azure AD, Active Directory, SCOM, LDAP, Defender for CloudCertifications Preferred

Microsoft Certified: Azure Database Administrator Associate

Microsoft Certified: Azure Fundamentals

ITIL v3 Foundation