Top Technology Jobs & Startup Jobs in Sydney

Coordinates People & Culture operations across the employee lifecycle, including onboarding, HRIS and employee records maintenance, benefits and leave administration, employee inquiries, recruitment support, reporting, and process improvement. The role requires strong organisation, discretion, communication, attention to detail, and knowledge of Australian employment standards.

Provides first-level technical support for employees by troubleshooting hardware, software, network, and system issues. Maintains servers, networks, cloud systems, enterprise applications, patches, backups, and documentation. Supports Active Directory, Microsoft 365, and virtualization platforms; assists with security and compliance, IT projects, vendor coordination, and system deployments. Escalates complex issues and collaborates with senior IT staff to ensure reliable infrastructure and strong user satisfaction.

Administer SAP across active projects, maintaining accurate purchase orders, goods receipts, vendor records, invoices, and project cost data. Support procure-to-pay processes, three-way matching, WBS and budget tracking, period-end activities, reconciliations, contract administration, audit evidence, and document management. The role requires hands-on SAP MM experience, strong numerical accuracy, and familiarity with construction, infrastructure, or capital project environments.

Monitors and reports on global operational performance using construction and operational data. Prepares periodic reports, reconciles updates from procurement and project teams, coordinates information sharing, supports construction timelines, and standardizes and automates reporting processes to improve accuracy and scalability across data center projects.

Designs, reviews, and delivers HV, MV, and LV electrical systems for large-scale data centers. Responsibilities include preparing technical designs and specifications, reviewing consultant and contractor deliverables, coordinating electrical interfaces, conducting site inspections, supporting FAT/SAT and commissioning, maintaining as-built documentation, managing technical risks, liaising with regulators and utilities, ensuring safety compliance, and mentoring junior engineers.

Monitor and report operational performance across global data center operations. Process, reconcile, and analyze construction and operational data; coordinate information between project delivery, procurement, and corporate teams; support construction timelines; and standardize or automate reporting processes to improve accuracy and scalability.

Lead IREN’s multidisciplinary Australian engineering function supporting large-scale data centre design, delivery, commissioning, and operations. Manage senior engineers across electrical, high voltage, mechanical, civil/structural, controls, asset management, and commissioning disciplines. Oversee technical governance, regulatory compliance, risk management, vendor and EPC relationships, FAT/SAT, energization, handover, asset lifecycle planning, and engineering standardization. Develop teams and partner with executives, construction, procurement, contractors, regulators, and other stakeholders.

Supports the design, construction, commissioning, and operation of mechanical cooling systems for HPC data centers. Reviews technical deliverables, performs HVAC, thermal, CFD, and airflow analyses, collaborates with multidisciplinary teams, supports project planning, leads commissioning activities, monitors system performance, develops technical documentation, and coaches staff on mechanical and piping systems.

Leads mechanical engineering across hyperscale data center projects, serving as technical authority for cooling systems, equipment integration, water distribution, fire protection, and related infrastructure. Oversees design reviews, validation, standards, regulatory compliance, technical risk assessments, constructability, manufacturing interfaces, and stakeholder engagement. Manages and mentors mechanical engineering teams while coordinating with other disciplines and ensuring reliable, standardized, and compliant systems across projects and regions.

Maintain enterprise risk registers, profiles, dashboards, and reports; conduct control testing and assurance reviews; track incidents, remediation, and root-cause resolution; administer GRC systems; identify control gaps; and support risk maturity initiatives. The role partners with stakeholders and senior leadership across international operations to strengthen risk frameworks, governance, reporting, and decision-making while leveraging technology and AI to improve risk outcomes.