Job Description Location: ACT, QLD or VIC Working Arrangements: Hybrid arrangements available, however onsite work is required Start date: July 2025 Duration: Approximate 12-month contract with possibility of extension Pay rate: Hourly rate dependent on experience Security Clearance Requirements: Negative Vetting 1 AGSVA Security Clearance Required OVERVIEW: We are looking for an experienced Principal Software Engineer to oversee software development projects, write optimised code, and provide technical leadership to a team of software engineers.
This is an opportunity to lead the design, development, and implementation of complex software solutions using Microsoft .NET technologies.RESPONSIBILITIES: Application architecture and design of end-to-end solutions using the Microsoft technology stack, across identity, web/desktop applications, web services, and batch jobs.
Design and implement secure authentication & authorization solutions using Azure AD, Entra ID, AD FS, and OAuth2/OpenID Connect/SAML.
Ensure applications comply with OWASP best practices, and ACSC Essential Eight, and IRAP security standards.
Provide technical guidance to engineering teams, mentoring developers on Identity best practices in .NET and Microsoft platforms.
Define and implement test automation frameworks using BDD principles, ensuring scalable and maintainable automation through Cucumber, Selenium and API testing tools.
Work closely with developers, testers, and business analysts to refine acceptance criteria, write Gherkin- based test scenarios, and integrate automated tests into CI/CD pipelines.
EXPERIENCE / REQUIREMENTS: Microsoft Identity & Active Directory (AD FS, Entra ID, MFA) Microsoft .NET & Backend Development (ASP.NET, C#) Cloud & DevOps (Microsoft Azure, CI/CD with Azure DevOps) Security & Compliance (ACSC Essential Eight, OWASP) Architecture & Integration (SAP, Dynamics 365, ITSM) Frontend & Accessibility (WCAG 2.1 compliance, DTA Digital Service Standard) Degree in Computer Science or Software Engineering.
IMPORTANT TO NOTE: SOS Recruitment is committed to the principles of workplace diversity and equity in employment and we encourage applications from Aboriginal and Torres Strait Islanders, people with disabilities, women, people with family responsibilities, people with diverse linguistic and cultural backgrounds, religious beliefs and LGBTIQ people.Please be advised If the closing date has passed for the particular position(s) you are interested in, we still encourage an application.
Occasionally late applications are accepted and in addition we will retain your resume on our system for other positions as they arise.For more information on this role, please contact Deanna Klouth on 02 6260 8888.