Principal Software Engineer

Role Title: Principal Software Engineer Clerk Grade: 11/12 Employment Type: Temporary 18 months Remuneration: Salary range for Clerk 11/12 is $154,231– $178,369pa, plus superannuation and leave loading We have dedicated office space in Sydney (McKell), Parramatta or Gosford with hybrid and flexible working conditions available. The Long Service Corporation is a standalone agency within the Department of Customer Services that reports directly to the Managing Director of Service NSW whilst maintaining its executive agency status. About the team The Long Service Corporation (LSC) manages portable long service schemes for the building and construction industry and contract cleaning industry, and is preparing to launch a third scheme for the community services industry (CSI). You will join the Digital and Program Delivery team. The team is leading the delivery of new portable long service leave schemes, including the development and rollout of the systems and processes needed to administer them. In addition, this team is also responsible for ongoing improvement initiatives ensuring our current schemes and systems continue to evolve and improve. This role reports to the Manager Engineering and works closely with delivery, business and operational stakeholders across LSC. Your day-to-day Lead the design, build and delivery of complex integration solutions across the full lifecycle, ensuring secure, scalable and observable outcomes aligned to organisational integration strategies. Act as the principal technical authority for integration engineering, shaping API ‑ led and integration solutions using enterprise platforms including MuleSoft and Apigee . Provide hands ‑ on technical leadership across solution design, development, testing and deployment, setting direction and assuring quality across concurrent delivery streams. Collaborate with delivery teams, business stakeholders, security and platform teams to translate business outcomes into robust, compliant integration designs. Establish and promote integration engineering standards, patterns and best practices to uplift solution quality, reusability and operational resilience. Own the operational integrity of integration solutions, including availability, incident response, root cause analysis and continuous improvement of resilience and supportability. Produce and maintain high ‑ quality technical documentation, including architecture artefacts, API specifications, interface contracts and operational runbooks, to support delivery, operations and knowledge transfer. Coach and mentor engineers across teams, strengthening integration capability, technical maturity and adherence to best practice. To be successful in this role you will demonstrate: Extensive hands ‑ on experience designing and delivering complex integration solutions in a large ‑ scale or enterprise environment. Deep technical expertise in integration engineering, including API design, security patterns, non ‑ functional requirements and platform ‑ based integration using MuleSoft and/or Apigee . Proven ability to operate as a principal ‑ level engineer, providing technical leadership, direction and assurance across multiple delivery initiatives. Strong judgement in balancing business priorities, delivery constraints and long ‑ term platform sustainability. Experience owning production outcomes, including operational support models, incident management and continuous improvement. Excellent collaboration and influencing skills, working effectively with engineers, delivery leads and senior stakeholders. A commitment to documentation quality, engineering discipline and continuous improvement in a fast ‑ paced delivery environment.