Application Ops Engineer

ADECCO PERSONNEL PTE LTD; Singapore; On-site; SGD 60,000 - 85,000; Full time

Job summary

ADECCO PERSONNEL PTE LTD is seeking an Application Operations Engineer for a 1-year contract in Singapore. Our client is a leading corporate and investment bank with a well-established Information Systems and Technology centre in Singapore.

The role requires hands-on UNIX/Linux production experience, strong scripting in Python/PowerShell/Bash, and proficiency with Ansible, GitLab, Docker and Kubernetes. You will diagnose issues across OS, apps, middleware and networks, participate in CI/CD, and

Qualifications

• Hands-on capability in UNIX/Linux production environments.
• Experience supporting enterprise applications in production.
• Ability to diagnose across OS, processes, batch jobs, interfaces, middleware, databases and networks.
• Strong scripting and automation using Python, PowerShell, Bash or UNIX Shell.
• Develop, maintain, test and troubleshoot operational scripts for monitoring, deployment, workflow automation, housekeeping, recovery and production support.
• Familiarity with observability tools such as Grafana, Kibana, Prometheus, AppDynamics or Dynatrace.

Responsibilities

• Diagnose production issues across multiple layers and perform service restoration.
• Develop, test and maintain operational scripts for monitoring and deployment.
• Support disaster recovery, platform migrations and major production maintenance.
• Document troubleshooting guides and runbooks for support teams.

Skills

Unix/Linux

Production troubleshooting

Automation scripting

CI/CD pipelines

Observability concepts

Agile/DevOps

Tools

Ansible

GitLab

Docker

Kubernetes

Grafana

Kibana

Prometheus

AppDynamics

Dynatrace

Control-M

Job description

Application Operations Engineer

1-Year Contract

Our client is a leading corporate and investment bank with a well-established Information Systems and Technology centre in Singapore.

Technical Requirements

• Advanced hands-on capability in UNIX or Linux production environments, including system navigation, process analysis, log investigation, file systems, permissions, resource utilisation, networking commands, and production troubleshooting.
• Strong experience supporting enterprise applications in complex, business-critical production environments.
• Ability to diagnose application and infrastructure issues across multiple technical layers, including operating systems, application processes, batch jobs, interfaces, middleware dependencies, databases, and networks.
• Strong scripting and automation capability using Python, PowerShell, Bash, or UNIX Shell.
• Ability to develop, maintain, test, and troubleshoot operational scripts used for monitoring, deployment, workflow automation, housekeeping, recovery, and production support.
• Hands-on experience with at least one of the following technologies:AnsibleGitLabDockerKubernetes
• Practical knowledge of CI/CD pipelines, source control, automated deployment, release orchestration, and environment configuration.
• Experience implementing automation that improves production reliability, deployment consistency, operational efficiency, or recovery capability.
• Strong production troubleshooting capability, including:Incident diagnosis and service restorationRoot Cause AnalysisLog and error analysisPerformance and capacity investigationRecurring-issue eliminationProduction change validation
• Experience supporting complex operational activities such as:Disaster Recovery Planning and exercisesApplication or platform migrationsMajor production maintenanceRelease and deployment activitiesInfrastructure or application changes
• Understanding of enterprise application architecture, including application components, interfaces, dependencies, data flows, batch processing, and upstream or downstream systems.
• Practical knowledge of observability and monitoring concepts, including dashboards, metrics, alerts, logs, application performance, and service availability.
• Familiarity with one or more observability tools such as Grafana, Kibana, Prometheus, AppDynamics, or Dynatrace.
• Familiarity with enterprise task scheduling tools such as Control-M or comparable workload automation platforms.
• Understanding of IT service-management practices, including Incident, Problem, Change, Release, and Service Request Management.
• Knowledge of Agile, DevOps, and Lean practices within application-development and production-support environments.
• Ability to assess production risks, validate implementation plans, prepare recovery procedures, and support post-implementation verification.
• Ability to translate recurring operational issues into sustainable technical improvements through automation, monitoring, standardisation, or architectural change.
• Ability to maintain accurate technical documentation, troubleshooting guides, support procedures, and operational recovery instructions.