Think Systems is looking for a senior systems engineer to support complex rail and major infrastructure programs for our clients.
We are particularly interested in people who are comfortable working across package boundaries, disciplines and delivery organisations; who can build a coherent system-level view, identify where integration risks sit, and help teams resolve hard technical problems before they become delivery problems.
Some of the things this work may involve:
Develop and govern system architectures, including the frameworks, principles and processes that manage them
Identify and manage system boundaries, interfaces and dependencies across contractors and design packages
Keep multiple disciplines and delivery organisations technically coherent
Facilitate workshops that resolve conflicting assumptions, requirements and design positions
Support requirements traceability, configuration and technical baseline management, verification, integration, testing and commissioning
What we're looking for
A systems thinking mindset
The ability to explain to different stakeholders why your recommendations matter to program delivery
Substantial systems engineering or architecture experience on large, multi-package rail or infrastructure programs
Hands‐on experience with system architecture / MBSE tools such as Cameo, Capella/Arcadia, Sparx Enterprise Architect or similar
Working knowledge of ISO/IEC/IEEE ***** and relevant rail standards such as EN *****
Confidence with senior stakeholders, and the ability to turn complex technical issues into clear, practical outcomes
Highly regarded




Rail domain depth in signalling/ETCS, stations, tunnels or linewide systems
Experience across complex greenfield and brownfield interfaces
Client-side and delivery-side experience
Chartered Engineer status or INCOSE CSEP/ESEP
Location
Brisbane, but Think Systems is a national consultancy, so some travel across Australia is expected as part of supporting client and project needs.
About Think Systems
Think Systems is a specialist consultancy operating across systems engineering, integration and assurance within complex transport, infrastructure and defence environments.
We are building a technically strong, commercially aware and highly trusted team capable of solving difficult problems in complex delivery environments.
Consultants at Think Systems are given meaningful responsibility, direct client exposure and opportunities to contribute across technical delivery, strategy, proposals and business growth.
We value practical thinking, curiosity, collaboration and work that is explicit, reliable and useful in a real program environment.
We support flexible working, professional development and long-term career growth within a collaborative, low-ego environment focused on technical credibility and strong client outcomes.
Think Systems is committed to building a diverse, respectful and high-performing team.
We encourage applications from people with varied backgrounds, experiences and perspectives.
If you require support or adjustments during the recruitment process, or would like to learn more about the role, please contact our Hiring Team for a confidential discussion at
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📌 Senior System Engineer (Brisbane)
🏢 Think Systems Group
📍 Brisbane