Senior Systems Administrator / Middleware Administrator

Job Description

We are seeking an experienced Senior Systems Administrator with deep expertise in Oracle WebLogic administration, multi-platform environments (UNIX/Linux and Windows), and enterprise reporting tools. In this role, you will be responsible for installing, configuring, clustering, monitoring, and performance tuning core middleware infrastructure. You will also manage Apache web servers, write automation scripts, and support critical business intelligence applications.

Key Responsibilities

• Manage the full lifecycle of Oracle WebLogic (12x to 19c), including installation, configuration, clustering, performance tuning, load balancing, connection pool setup, and patch application.
• Administer, troubleshoot, and support UNIX/Linux and Microsoft Windows server environments in a virtualized infrastructure.
• Develop and maintain robust automation workflows utilizing UNIX shell scripting and WLST (WebLogic Scripting Tool).
• Administer Apache Web Servers and oversee operational tasks related to Oracle Business Intelligence Enterprise Edition (OBIEE) and Real User Experience Insight (RUEI).
• Plan, schedule, test, and implement system changes, patches, programs, and advanced troubleshooting resolutions.
• Provide foundational knowledge of computer networking, hardware, and software in virtualized Intel-based environments.
• Support secondary enterprise administration duties, including Informatica, MuleSoft, and Managed File Transfer (MFT), as well as legacy modernization efforts.

Skills and Qualifications Matrix

• 6 years Required IT System Administration work experience
• 6 years Required Experience with WebLogic 12x to 19C (installation, configuration, monitoring, clustering, performance tuning, load balancing, connection pools)
• 6 years Required Experience with UNIX/Linux operating systems
• 6 years Required Experience with Apache web servers
• 5 years Required Experience in using UNIX scripting, WLST scripts, and automation
• 4 years Required Experience with Microsoft Windows server environments
• 4 years Required Experience with Oracle Business Intelligence Enterprise (OBIEE)
• 4 years Required Experience with Real User Experience Insight (RUEI)
• 4 years Required Experience with scheduling, testing, installing, and implementing programs, and troubleshooting computer systems
• 4 years Required Knowledge of basic computer networking
• 4 years Required Knowledge of Intel computer hardware and software, running Windows and UNIX/Linux operating systems in a virtualized environment
• 3 years Preferred Informatica, MuleSoft, and Managed File Transfer administration in at least a medium-sized business
• 3 years Preferred Experience with legacy modernization efforts
• 3 years Preferred Experience in applying critical/security fix patches on WebLogic and assisting with OS patches
• N/A Preferred Linux certification (RHCT, RHCE, RHCSA, and LPIC)