Weblogic developer

Role: Devops with Strong WebLogic, Middleware

Location: McLean, VA

Must Have: Strong WebLogic experience

1. Middleware Expertise (WebLogic)

• WebLogic Administration:
• Installation, configuration, and patching of WebLogic Server.
• Managing WebLogic domains, clusters, and nodes.
• Deploying and troubleshooting Java applications (WAR/EAR files).
• Performance Tuning:
• JVM tuning (heap size, garbage collection settings).
• Connection pool tuning and thread management.
• Monitoring and Troubleshooting:
• Familiarity with WebLogic diagnostic tools (WLDF).
• Debugging errors using logs (AdminServer.log, ManagedServer.log, and application-specific logs).
• Security Management:
• Configuring WebLogic SSL/TLS, SAML, and LDAP integrations.
• Managing users and groups via WebLogic Security Realm.

2. DevOps Skills

• CI/CD Integration:
• Automating application deployment to WebLogic using tools like Jenkins, GitLab CI/CD, or Bamboo.
• Writing deployment scripts for WebLogic (WLST, shell, or Ansible scripts).
• Infrastructure as Code (IaC):
• Automating WebLogic domain creation using Terraform or Ansible.
• Managing server configurations via tools like Puppet, Chef, or Ansible.
• Containerization:
• Running WebLogic in containers using Docker and Kubernetes.
• Creating custom Docker images for WebLogic and managing deployments via Helm.
• Monitoring and Observability:
• Integrating WebLogic with monitoring tools like Prometheus, Grafana, or ELK Stack.
• Log management and analysis using tools like Splunk or Graylog.

3. Scripting and Automation

• Scripting Languages:
• Proficiency in Python, Bash, or WLST for task automation.
• Automation Tools:
• Experience with Ansible playbooks for WebLogic configurations.
• Writing WebLogic automation scripts for server startups, shutdowns, and deployments.

4. Networking and Security

• Network Protocols:
• Understanding HTTP, HTTPS, TCP/IP, and load balancing for WebLogic.
• Firewall and Security:
• Configuring firewalls and network security rules for WebLogic.
• Securing communication channels using certificates and key stores.

5. Middleware Ecosystem Knowledge

• Complementary Tools:
• Integration with other middleware products like Oracle SOA Suite, IBM MQ, or Apache Kafka.
• Database Interaction:
• Configuring and troubleshooting JDBC data sources.
• Database performance tuning in collaboration with DBAs.

6. Cloud and Hybrid Environments

• Cloud Platforms:
• Deploying WebLogic on cloud platforms like AWS, Azure, or Oracle Cloud Infrastructure (OCI).
• Using managed WebLogic services on OCI or Azure WebLogic Server.
• Hybrid Integrations:
• Managing WebLogic in hybrid environments (on-prem and cloud).

7. Soft Skills

• Collaboration:
• Working with development, QA, and operations teams to ensure smooth deployments.
• Documentation:
• Creating SOPs, deployment guides, and automation scripts documentation.
• Problem-Solving:
• Ability to debug complex middleware and infrastructure issues under tight timelines.

Certifications (Optional but Beneficial)

• Middleware Certifications:
• Oracle WebLogic Server Administration certifications.
• Cloud Certifications:
• AWS Certified DevOps Engineer, Azure DevOps Engineer, or OCI Architect.
• DevOps Certifications:
• Certified Kubernetes Administrator (CKA), Jenkins, or Ansible certifications.