Middleware Engineer

Canberra, Australian Capital TerritoryFull-time$96k–$120k2026-11-06 → 2026-11-11

Based in AustraliaAustralia citizens onlySecurity clearance required

Core

Deploy, administer, and optimize IBM middleware technologies (WebSphere, WebSeal, ISAM, ACE, Liberty) within AIX environments to support secure, mission-critical business applications.

Role type

Senior IC Middleware Engineer

Builds

Secure, resilient middleware platforms and automation scripts for Defence enterprise and warfighting capabilities

Domain

Defence / National Security / Enterprise Middleware

Required skills

IBM WebSphere administration, AIX system administration, middleware security (WebSeal/ISAM), automation scripting (Ansible/Puppet), performance tuning, capacity planning, disaster recovery

Preferred skills

IBM Certified System Administrator – WebSphere, stakeholder management, complex problem-solving

Technologies

WebSphere Application Server, WebSeal, ISAM, ACE, WebSphere Liberty, AIX, Ansible, Puppet

Responsibilities

Install, configure, and maintain IBM middleware products; troubleshoot issues and monitor system performance; implement and manage security policies and authentication; develop and maintain automation scripts and Infrastructure as Code; collaborate with cross-functional teams and mentor junior members

Seniority

Senior, hands-on IC

About Leidos

Leidos is seeking **Senior Cloud Systems Owners** to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. These efforts focus on delivering mission-critical, future-ready solutions that provide safety-critical flight