Systems Administrator III

We’re looking for a seasoned Systems Administrator with deep IBM WebSphere expertise to support critical applications in a remote environment. This role is a great opportunity for someone who enjoys solving complex middleware challenges, improving automation, and partnering closely with technical teams to keep systems running smoothly. Responsibilities Provide ongoing IBM WebSphere application server administration and middleware support for critical business applications Install, configure, troubleshoot, and maintain WebSphere environments, including application server, HTTP, Java, and plugin components Support high availability, failover, disaster recovery, and security-related configurations Manage junctions, certificates, load balancing, and performance tuning activities Develop and maintain automation solutions using Ansible, Python, and shell scripting Collaborate with development, operations, and security partners to identify and implement automation opportunities Document processes, procedures, and best practices to support long-term maintainability Share knowledge and help strengthen in-house expertise through collaboration and mentoring Investigate and resolve complex technical issues across automated and middleware environments Continuously improve automation frameworks for scalability and reliability Skills Strong hands-on experience as a WebSphere Application Server Administrator Solid understanding of IBM WebSphere version 8.5.5 and 9 ND edition Advanced UNIX administration and scripting skills, including shell scripting Experience with Python and/or Jython scripting Knowledge of middleware troubleshooting, installations, and configuration management Familiarity with security configuration, certificate management, and performance tuning Experience supporting MQ, file transfer, and database connectivity with WebSphere Strong communication skills and a collaborative approach to working with technical teams Comfort with change management processes and production support practices Preferred Skills Experience with WebSphere Liberty or other WebSphere-related platforms Exposure to XL Deploy or similar automation tools Hands-on Ansible automation experience Familiarity with CI/CD practices and GitLab Working knowledge of AWS and Terraform Background supporting enterprise-scale applications and infrastructure Horizontal Talent is committed to building a diverse, equitable, and inclusive environment where all candidates feel welcomed and supported. We encourage qualified candidates from all backgrounds to apply and bring their unique perspectives to the team. By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex. Please apply through this online posting or by visiting our Job Board at www.horizontaltalent.com/job-board. Applications will be accepted for 4 weeks. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $57 - $92 per hour based on qualifications and experience.