Senior Engineer IT Infrastructure

About the company Tianqi Lithium Australia – Kwinana Beach WA We are a joint venture between Tianqi Lithium Corporation and IGO Ltd. As pioneers in the Australian lithium industry, we’ve already achieved great things, including building the first battery‑grade lithium hydroxide plant in Australia, paving the way for Australia to be a major player in the global transition to a clean energy future. We’re looking for people who want to be a part of the industry of the future – people who work with purpose and urgency, take initiative, and rise to challenges. We’re seeking individuals who empower others, embrace innovation, and want to work in an open and supportive environment, where teamwork and collaboration are valued. At TLEA, you’ll be part of a team that is excited to be involved in a world‑class project that benefits not only the Western Australian community but the world. Are you passionate about making a real impact? TLEA is welcoming applications for a Senior Engineer IT Infrastructure to join our team on a permanent full‑time basis, working in our office located in Kwinana. Job Overview The successful applicant will primarily build, maintain and ensure the ongoing performance, security, reliability, testing and management of the entire company’s IT and OT core network and server infrastructure. This role will also provide Level 3 support to the IT Service Desk and business personnel. In addition to possessing our core values of distinction, pragmatism, honesty, tenacity and innovation, this position requires an individual who enjoys problem solving and technical learning, can plan and set priorities according to operational importance, and can manage their time effectively. Qualifications Strong knowledge of Windows Server operating systems In‑depth experience with Microsoft technologies including Active Directory, SQL Server, Exchange Online, DFS, File and Print Services, etc. In‑depth experience with Microsoft 365, Entra ID (Azure AD), and Microsoft Purview Experience on operating/deploying virtualisation platforms including Hyper‑V, VMware, Proxmox, and Dell VxRail Experience with operational technology environments, including Rockwell FactoryTalk, SCADA, and PLC systems Solid understanding of physical network infrastructure, including data centre and server room best practices (cable management, hot/cold aisle containment, patching discipline) Strong knowledge of secure‑by‑design principles and physical/logical segmentation in hybrid OT/IT environments Strong knowledge of Azure hybrid infrastructure (Azure Arc, AD Connect, Azure Stack, etc.) Strong experience with Fortinet Ecosystem (FortiGate, FortiSwitch, FortiAP, FortiManager, FortiAnalyzer, FortiNAC, FortiEMS, FortiZTNA), SIEMs, and web filtering solutions Experience in network infrastructure including Dell and Cisco switching, VLANs, routing, and core‑to‑edge segmentation High‑level SQL Server knowledge, including administration, performance tuning, and best‑practice database setup Strong scripting experience with PowerShell, Bash, and Python Infrastructure automation experience using Ansible, Terraform/OpenTofu, and Azure DevOps pipelines Proven experience with Infrastructure as Code (IaC) for both cloud and on‑premises environments Strong technical documentation skills across architecture, operations, and procedures Proficient in ITIL v4 Change, Incident, and Problem Management Duties & Responsibilities Provide 3rd‑level support on complex incidents and infrastructure escalations Triage tickets, respond to incidents, and deliver resolution updates to support training and knowledge sharing Perform after‑hours support for high‑severity incidents, upgrades, and planned maintenance Maintain and optimise network infrastructure across TLEA OT and corporate environments in alignment with ISO 27001 controls and Secure by Design principles Design and maintain infrastructure architecture across on‑prem, network, and cloud platforms, including SASE‑aligned solutions for secure access, identity‑aware routing, and edge protection Develop and maintain strategic infrastructure roadmaps for network, hypervisor platforms, and cloud services, ensuring alignment with business objectives and best practice Manage backup and recovery operations in line with data governance frameworks, ensuring compliance with data lifecycle policies including retention, archival, disposal, and access control across all critical systems. Establish, maintain, and take ownership of infrastructure monitoring, proactively identifying and responding to platform, network, and backup events to ensure system health and early fault detection. Oversee infrastructure change management processes, ensuring changes are controlled, documented, risk‑assessed, and compliant with internal policies and ISO 27001 standards. Monitor system and network performance to identify trends, bottlenecks, and capacity issues before they impact services. Manage infrastructure‑related vendor relationships and ensure compliance with licensing, support contracts, and lifecycle management. Maintain an accurate inventory of infrastructure assets and configurations, ensuring changes are logged and recoverable (CMDB/alignment with asset management policies). Benefits Contribute to a green and sustainable industry of the future. Competitive salary with a performance‑based discretionary bonus structure Additional Superannuation Rewards and recognition program Long service leave option after 5 years (pro rata) Supportive colleagues committed to your success and well‑being #J-18808-Ljbffr