Top Systems Engineer Jobs in Melbourne

Provide second-level pre-sales technical support across APAC/EMEA for switching and IAM/NAC solutions. Design solutions for RFPs/RFIs, lead technical demos/POCs/workshops, assist field SEs, produce sales technical collateral, relay customer requirements to Product Management, analyze project trends, and travel regionally as required. Must cover at least two of three product areas (Switching, IAM, NAC).

Provide pre-sales technical consultancy and solution design for switching and Wi‑Fi network security. Prepare proposals, RFPs/RFIs, demos and POCs, deliver professional services and channel training, and troubleshoot complex enterprise networking security environments.

Design, implement, monitor and optimise cloud and on‑premises infrastructure. Support enterprise platforms, resolve incidents, perform root cause analysis, manage risk, drive continuous improvement, mentor teams, and collaborate with architects, cloud, DevOps, and security stakeholders.

Lead design and implementation of AI research and production infrastructure. Mentor junior engineers, and collaborate to enhance data usability, solving complex technical challenges.

Lead design and implementation of large-scale distributed production systems powering generative AI features. Own architecture, mentor engineers, manage technical debt, operationalize ML/LLM models, and collaborate with scientists to productionize research using Python, SQL, Spark/Dask, AWS, and Kubernetes.

Provide Level 2/3 technical support and escalation for Microsoft 365, Azure and on-prem infrastructure. Administer servers, virtualization, networking, security and backup/DR, automate with PowerShell, produce documentation, mentor onsite ICT resource, support incident response and participate in after-hours critical support.

Operate and optimize satellite mission assets in a near-real-time, crewed 12-hour shift environment. Produce and execute mission plans, schedules, and performance assessments; provide technical solutions, coordinate with customers, and develop procedures for system collection, mission execution, and optimization.

Pre-sales technical lead focused on enterprise telco/carrier and cloud security deployments. Drive engineering outcomes, build executive relationships, produce proposals/RFI/RFP responses, lead PoCs and workshops, and represent Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer). Advise on 4G/5G network and cloud security, SDN, and multi-cloud architectures while supporting product and account strategy.

Owner of internal IT and on-prem infrastructure: provide end-to-end support, device provisioning and lifecycle management, identity and Google Workspace administration, on-prem Linux systems and networking, monitoring and incident response, automation and configuration-as-code, and build tools to reduce operational toil.

Provide L3 support for managed-services customers by troubleshooting servers, hypervisors and infrastructure, communicating with clients, maintaining documentation, mentoring juniors, joining paid on-call roster, and improving systems.

Develop and maintain production C++ software for Linux-based edge/embedded platforms (NVIDIA Jetson, ARM). Integrate sensors and peripherals, build calibration/diagnostic tools, optimise performance (latency, throughput, power), debug across software/hardware/OS/networking, and collaborate with cross-functional teams to deliver fieldable autonomy and mission systems.

Design and integrate end-to-end systems for Hivemind Vision and autonomy solutions. Capture and verify requirements, develop MBSE/UML/SysML models, decompose system designs, collaborate with cross-functional teams, improve tooling and automation, and report status and risks to program leadership to support customer programs and R&D.

Lead development of a portable React component library that renders on web and React Native, abstract cross-platform complexity, mentor engineers, set standards for building and distributing portable components, and drive strategic frontend and design system direction including AI-enabled workflows.

The role involves managing and developing advanced Google Sheets systems, automating workflows, and supporting data-driven decisions across teams.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

Provide systems engineering, assurance and safety support for rail infrastructure projects across the lifecycle, including requirements management, V&V, risk and safety assessment, stakeholder engagement, and digital engineering activities to enable safe, reliable delivery.

Lead systems engineering for sustainment and upgrades of specialised land platforms. Define design requirements, manage configuration and V&V activities, act as Design Acceptance Representative for CoA, deliver engineering reports, lead upgrade projects, ensure compliance with certification standards, mentor junior staff, and liaise with customers and suppliers.

Lead program-level systems integration, verification and test activities for a Defence C4 capability. Develop systems engineering documentation, support acquisition, stakeholder workshops, engineering change management, Test & Evaluation, certification and delivery in line with Defence governance.

Technical lead for APAC physical security systems lifecycle: administer, maintain, troubleshoot, upgrade and standardise Genetec-based access control, video, biometric and key management systems; lead commissioning, vendor coordination, documentation, and regional support including on-call rotation and project delivery.

Develop and optimize ultra-low-latency algorithmic trading systems for cryptocurrency markets using C++/Rust. Collaborate with quants and traders to implement strategies, troubleshoot and maintain high-performance execution engines, and stay current with HFT and crypto developments.

Design and architect scalable backend services, develop robust governance systems, build SaaS solutions, and mentor junior engineers to enhance IoT platform capabilities.

Consult, implement, manage and support clients' IT environments across Microsoft 365, Azure, Intune, networking and security. Deliver projects, incident/problem resolution, build client relationships, and provide onsite support for mid-market customers while collaborating with internal teams.

Lead design and delivery of HV substation secondary systems including drawings, calculations, reports and documentation. Provide technical leadership and mentoring, develop SLDs, protection/control schematics, panel layouts and cable schedules, and ensure compliance with standards, quality assurance and safe work practices while engaging stakeholders.

Support a secure AWS cloud environment, implement automation solutions, and ensure operational resilience for a Defence program.

Optimize Ubuntu for the latest IoT and server hardware, leading technical engagements, and work with open source communities. Requires experience with Linux and C/C++.