TEKWISSEN
Website:
tekwissen.com
Job details:
Overview:
TekWissen is a global workforce management provider throughout India and many other countries in the world. The below job opportunity is to one of our clients who is a part of a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, IT modernization and managed services. This client enables us to move confidently into the digital future. This client committed to Long Term success and combine global reach with local client attention to serve them in over 50 Countries.
Position: System Administration Advisor
Location: Noida/Bangalore
Work Type: Hybrid
Job Type: Full Time
Job Description:
Responsibilities:
- Middleware – Streaming Messaging- IBM MQ/Kafka
Role:
- The Application Hosting Engineer is responsible for the administration, stability, automation, and modernization of enterprise application hosting platforms, including Microsoft IIS (.NET), Oracle WebLogic, and IBM WebSphere Application Server / IBM Liberty.
- This role ensures highly available, secure, and scalable application runtimes across multiple data centers, supporting both internet-facing and internal mission-critical applications.
- Responsibilities include platform patching, performance tuning, certificate management, troubleshooting, and leveraging automation and observability to reduce operational toil.
Oracle WebLogic Administrator – Responsibilities
- Administer Oracle WebLogic domains and clusters across multiple environments (Production and Non-Production).
- Install, configure, patch, and upgrade WebLogic Server and JDK with minimal or zero downtime.
- Manage domains, managed servers, Node Manager, clusters, JDBC data sources, and JMS resources.
- Automate installation, configuration, and patching using Ansible and WLST scripting.
- Perform JVM performance tuning including heap sizing, garbage collection analysis, and thread/heap dump analysis.
- Troubleshoot production incidents related to memory, CPU, stuck threads, connectivity, and deployments.
- Implement security controls including TLS, certificate lifecycle management, keystores, and truststores.
- Support MFA and IAM integrations using Oracle Access Manager (OAM) and Oracle Unified Directory (OUD).
- Configure and maintain monitoring using Log Insight, APM, OPSView, Prometheus, and Grafana.
- Participate in 24x7 on-call rotation and contribute to incident management and root cause analysis.
IBM WebSphere / IBM Liberty Administrator – Responsibilities
- Administer IBM WebSphere Application Server (ND/Base) and IBM Liberty environments across multiple data centers.
- Manage cells, nodes, clusters, server instances, and runtime configurations.
- Perform WebSphere and JDK patching, upgrades, and interim fixes using scripted automation.
- Support application deployments, JVM tuning, classloading behavior, and resource configuration.
- Analyze JVM performance metrics including GC logs, thread dumps, and heap utilization.
- Implement platform security hardening including TLS, secure ports, certificate management, and MFA.
- Integrate automated certificate renewal using Certbot or approved enterprise tooling.
- Configure monitoring and alerting using Log Insight, APM, OPSView, Prometheus, and Grafana.
- Assist application teams with migration and modernization initiatives.
- Provide on-call support and participate in continuous improvement and operational excellence efforts.
Microsoft IIS Administrator – Responsibilities
- Administer IIS web farms hosting enterprise .NET applications across Windows Server platforms.
- Configure websites, application pools, bindings, authentication, authorization, and access controls.
- Apply standardized IIS configuration templates for security and operational consistency.
- Automate IIS administration using PowerShell scripts and Ansible playbooks.
- Manage SSL/TLS certificates and support automated certificate renewal solutions.
- Analyze IIS and application logs to identify and resolve performance and availability issues.
- Coordinate OS-level patching and platform upgrades with Windows Server engineering teams.
- Monitor environments using OpsView and vRealize Log Insight dashboards.
- Support application onboarding, deployments, and operational troubleshooting.
- Participate in 24x7 operational support and incident response rotations.
Manadatory Skills:
- IBM MQ, Middleware admin, web logic, web sphere
Experienced:
TekWissen® Group is an equal opportunity employer supporting workforce diversity.
Click on Apply to know more.