Systems Architect

Thomas Global; Sydney; On-site; AUD 120,000 - 160,000; Full time

Job summary

Thomas Global in Sydney, Australia seeks a systems engineering professional to lead architectures across the product lifecycle and engage with customers, suppliers and test organisations.

You will drive requirements, design and verification activities, manage risk and deliver artefacts such as ICDs, plans and reports while supporting field sustainment and product realisation.

Qualifications

• Degree in relevant engineering disciplines.
• Minimum 5 years' experience in developing, integrating and delivering complex systems/products.
• Strong understanding of systems engineering lifecycle and application of principles.
• Experience with requirements management and verification & validation activities.
• Experience with requirements management and configuration management tools such as Polarion or DOORS.

Responsibilities

• Interpret customer, regulatory and operational requirements to establish system baselines and specifications.
• Develop and maintain solution architectures through functional decomposition and system design activities.
• Lead systems engineering activities across the lifecycle, including requirements management, architecture development, integration and verification.
• Manage technical risks and identify mitigation strategies.
• Develop and maintain artefacts including requirements specifications, ICDs, integration plans, test procedures and technical reports.
• Coordinate verification and validation activities, including TRRs, accreditation testing and customer acceptance.

Skills

Systems engineering lifecycle

Requirements development

Architecture design

Verification & validation

Configuration management (Polarion/DOO

Education

Degree in Systems Engineering

Degree in Electronic Engineering

Degree in Software Engineering

Tools

Polarion

DOORS

Job description

About the Role

Reporting to the SEIT Manager, you will be responsible for developing and maintaining system architectures throughout the product lifecycle, from concept and requirements definition through to integration, verification, customer acceptance and ongoing support.

You will work closely with engineering teams, project managers, customers, suppliers and test organisations to ensure solutions meet performance, compliance and stakeholder requirements. This role combines technical leadership, systems engineering expertise and customer engagement, making it ideal for someone who enjoys solving complex engineering challenges in a collaborative environment.

What You'll Be Doing

• Interpret customer, regulatory and operational requirements to establish system baselines and specifications.
• Develop and maintain solution architectures through functional decomposition and system design activities.
• Lead systems engineering activities across the lifecycle, including requirements management, architecture development, integration and verification.
• Manage technical risks and identify mitigation strategies.
• Develop and maintain key engineering artefacts including requirements specifications, interface control documents (ICDs), integration plans, test procedures and technical reports.
• Coordinate verification and validation (V&V) activities, including Test Readiness Reviews (TRRs), accreditation testing and customer acceptance activities.
• Work with subcontractors and suppliers to ensure alignment of technical solutions and engineering outputs.
• Support change management processes, requirements traceability and configuration control.
• Provide technical support to operational improvement, product sustainment and equipment realisation initiatives.

About You

You are a structured and analytical engineering professional who can see both the detail and the bigger picture. You enjoy collaborating across disciplines and are comfortable engaging with customers, suppliers and technical teams.

You'll bring:

• Degree qualifications in Systems Engineering, Electronic Engineering, Software Engineering or a related discipline.
• Minimum 5 years' experience developing, integrating and delivering complex systems or products.
• Strong understanding of the systems engineering lifecycle and application of systems engineering principles.
• Experience in requirements development, architecture design and verification & validation activities.
• Experience working with requirements management and configuration management tools such as Polarion, DOORS or similar.
• Knowledge of ISO 15288 or equivalent systems engineering frameworks.
• Strong technical documentation and communication skills.
• Excellent problem-solving ability and attention to detail.
• Eligibility to obtain an Australian Defence Security Clearance (Australian Citizenship required).

Why Join Thomas Global?

At Thomas Global, you'll join a team of talented engineers working on complex, meaningful projects in a collaborative and supportive environment. We offer:

• The opportunity to work on advanced defence and simulation technologies.
• Exposure to the full systems engineering lifecycle.
• A culture built on teamwork, accountability, innovation and continuous improvement.
• Opportunities for professional development and career growth.
• A flexible and inclusive workplace where your ideas and expertise are valued.
• The chance to contribute to projects that have real-world impact.

Our Values

We believe great outcomes are achieved when we work together. Our people demonstrate:

• Customer Satisfaction – We put our customers first and are committed to finding solutions that deliver results.
• Innovation – We encourage creativity, initiative and continuous improvement to solve complex challenges.
• Family – We support each other, invest in development and foster a respectful and inclusive workplace.
• Responsibility – We act safely, ethically and professionally, taking ownership of our commitments and outcomes.