Middleware Engineer

Overview Join to apply for the Middleware Engineer role at Leidos Australia . Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life. Our 2000 local experts, backed by our global experience and network of partners, are working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets. Your New Role And Responsibilities We are seeking an IBM Middleware Engineer to join our team, working within complex, multi-vendor environments hosted on AIX. In this role, you will be responsible for the deployment, administration, and optimization of IBM middleware technologies, including WebSphere Application Server, WebSeal, ISAM, ACE, and WebSphere Liberty. You will collaborate with cross-functional teams to ensure secure, reliable, and high-performing middleware solutions that support critical business applications. Key Responsibilities Install, configure, and maintain IBM middleware products (WebSphere Application Server, WebSeal, ISAM, ACE, WebSphere Liberty) in AIX environments, ensuring high availability and performance. Implement and manage security policies, authentication, and authorization using WebSeal and ISAM; collaborate with application, infrastructure, and security teams to deliver integrated solutions. Develop and maintain automation scripts and Infrastructure as Code (IaC) for middleware deployment and configuration using tools like Ansible or Puppet. Monitor system performance, conduct capacity planning, optimize resource allocation, and participate in disaster recovery planning and execution. Create and maintain technical documentation, mentor junior team members, and share best practices for middleware management. About You And What You'll Bring Hands-on experience delivering IBM middleware solutions in enterprise environments, with deep expertise in AIX. Proven ability to administer and optimize IBM technologies including WebSphere, with strong skills in automation, security integration, and performance tuning. Skilled in producing high-quality technical documentation and managing stakeholder relationships effectively. Quick to adapt to changing requirements and adept at solving complex technical challenges. Holds or is pursuing certifications such as IBM Certified System Administrator – WebSphere; committed to continuous learning and professional growth. This role does require the successful applicant to be an Australian Citizen and hold a Baseline level security clearance. Diversity And Inclusion Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from Aboriginal and Torres Strait Islanders, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups. Our five Advocacy Groups provide opportunities to connect and collaborate on shared interests and celebrate our diverse community. Next Steps To apply for this role, follow the links or apply via our Careers page. Recruitment process – virtual / face to face interview & background checks. Applicants may also need to meet ITAR requirements. In certain circumstances this can place limitations on persons who hold dual nationality, permanent residency or are former nationals of certain countries as per ITAR 126.1. We are committed to making our recruitment process accessible to all candidates. Please contact our Careers team if you’d like to discuss any additional support during your application or throughout the recruitment process. Come break things (in a good way). Then build them smarter. We’re the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” Note: This posting may include standard corporate boilerplate related to postings, pay ranges and role descriptions. The content above reflects the material information about the role as presented. #J-18808-Ljbffr