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Senior Engineer IT Infrastructure

Senior Engineer IT Infrastructure

Tianqi Lithium Energy AustraliaCity Of Kwinana, Western Australia, Australia
16 days ago
Job description

Overview

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. The successful applicant will primarily build, maintain, and ensure the ongoing performance, security, reliability, testing, and management of the company's IT and OT core network and server infrastructure. This role also provides Level 3 support to the IT Service Desk and business personnel.

In addition to embodying our core values of distinction, pragmatism, honesty, tenacity, and innovation, the ideal candidate enjoys problem solving and technical learning, can plan and set priorities according to operational importance and can manage their time effectively.

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 optimize 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.
  • 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.

Qualifications

  • Strong knowledge of Windows Server operating systems.
  • In‑depth experience with Microsoft technologies such as Active Directory, SQL Server, Exchange Online, DFS, File and Print Services.
  • In‑depth experience with Microsoft 365, Entra ID (Azure AD), and Microsoft Purview.
  • Experience operating and deploying virtualization 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.
  • 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).
  • Strong experience with the 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.

    • 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 programme.
  • Long‑service leave option after 5 years (pro rata).
  • Supportive colleagues committed to your success and well‑being.
  • Inclusive and diverse work environment.

    • Application Deadline

    Please submit your application by 3 November 2025 . All applications and discussions will be kept strictly confidential.

    Equal Opportunity

    At Tianqi Lithium Energy Australia, we embrace and recognise the value of diversity. We are committed to providing a work environment where everyone is included, treated fairly and with respect. We welcome and encourage applications from people from diverse backgrounds.

    Location

    TLEA proudly acknowledges the Whadjuk and Gnaala Karla Boodja people of the Noongar Nation, the traditional custodians of the Kwinana area where we operate our plant. Kwinana is 38 km from the Perth central business district, 20 km from the City of Fremantle and just 7 km from Rockingham.

    Job Details

    Seniority level : Mid‑Senior level

    Employment type : Full‑time

    Job function : Information Technology

    Industries : Mining

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    Infrastructure Engineer • City Of Kwinana, Western Australia, Australia