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L3 Application Support

External
HI5 CONSULTING SOLUTIONS PTE. LTD. logoHi5 Consulting · Amk Tech I, Singapore
S$96K–S$114K/yrContractUnknownToday
Information Technology
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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 2005-2019, 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

Additional Information

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.


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