Senior WebLogic Administrator - HA & Security on RHEL

Skywaves Rise; Pretoria; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Skywaves Rise in Pretoria, Gauteng, seeks a Senior WebLogic Administrator to provision, harden, and sustain the middleware stack on RHEL 8/9, guaranteeing HA clustering, strict security, and optimal performance for an enterprise OAS/ODI environment.

You will install and cluster Oracle WebLogic Server 14.1.2 across four environments (DEV, QA, UAT, PROD) using silent installs and WLST, run RCU against Oracle 19c, tune JVM memory, and implement SSL/TLS with AD-based SSO.

Qualifications

• 7+ years of Oracle WebLogic / Fusion Middleware administration in highly secure environments.
• Strong Linux/RHEL bash scripting skills and experience with network load balancing routing (F5).
• Deep understanding of JVM tuning and middleware security hardening.
• Preferred Certifications: Oracle WebLogic Server Administrator Certified Professional; RHCSA or RHCE.

Responsibilities

• Install, configure, and cluster Oracle WebLogic Server 14.1.2 across a four-tier deployment landscape (DEV, QA, UAT, PROD) using silent installations and WLST scripting.
• Execute the Repository Creation Utility (RCU) against Oracle 19c databases to build metadata schemas.
• Optimize JVM memory heap sizing, garbage collection parameters, WebLogic thread pools, and Node Manager configurations to handle peak reporting loads.
• Generate, import, and manage CA-signed SSL/TLS certificates and integrate WebLogic authentication providers directly with Active Directory for SSO.

Skills

Oracle WebLogic

Fusion Middleware

Linux / RHEL

Bash scripting

JVM tuning

Security hardening

F5 load balancer

Active Directory SSO

Tools

WLST scripting

RCU tooling

Job description

Skywaves Rise in Pretoria, Gauteng, seeks a Senior WebLogic Administrator to provision, harden, and sustain the middleware stack on RHEL 8/9, guaranteeing HA clustering, strict security, and optimal performance for an enterprise OAS/ODI environment.

You will install and cluster Oracle WebLogic Server 14.1.2 across four environments (DEV, QA, UAT, PROD) using silent installs and WLST, run RCU against Oracle 19c, tune JVM memory, and implement SSL/TLS with AD-based SSO.