Senior IST Infrastructure Engineer

Senior IST Infrastructure Engineer

Talison Lithium - Perth Based

Talison Lithium is the world’s leading lithium minerals producer with the world’s largest high‑grade ore body.

Embracing inclusion and diversity, we are seeking an experienced and highly capable infrastructure professional to join our team.

Talison operates complex, mission‑critical IT and OT environments that support both corporate and operational functions. Our infrastructure platforms play a key role in enabling safe, reliable, and efficient operations.

About the Role

We are currently seeking a Senior IST Infrastructure Engineer to join the IST Infrastructure team, reporting to the IST Infrastructure Manager.

This is a senior technical role responsible for the design, implementation, and ongoing support of Talison’s core IT and OT infrastructure platforms. You will provide advanced expertise across servers, storage, firewalls, cloud platforms, backup and recovery, while leading complex infrastructure initiatives and acting as an escalation point for major incidents.

The role requires regular travel to Talison operational sites to support infrastructure delivery, project implementation, stakeholder engagement, and hands‑on technical activities within IT and OT environments.

Key Responsibilities

• design, implement, and maintain IT/OT infrastructure solutions across on‑premises and cloud environments;
• provide senior‑level technical leadership during major incidents, outages, and operational challenges;
• lead or contribute to infrastructure‑related projects, upgrades, and migrations;
• act as a senior escalation point for complex infrastructure issues and Service Desk incidents;
• design, implement, and maintain enterprise firewall platforms, including policy management, security controls, and lifecycle activities;
• ensure infrastructure platforms meet defined performance, availability, and security requirements;
• Govern patching, firmware updates, backups, and lifecycle management across infrastructure platforms;
• monitor system health, performance, and capacity, identifying and addressing risks proactively;
• collaborate with vendors and internal stakeholders to deliver robust, supportable solutions;
• maintain and enhance technical documentation, standards, and procedures; and
• provide technical guidance and mentoring to other engineers as required.

Qualifications and Experience

• 10+ years’ experience in IT/OT infrastructure engineering roles, ideally within large or complex enterprise or industrial environments;
• strong expertise across enterprise infrastructure technologies, including:
• Enterprise servers, virtualisation, and storage platforms;
• Firewall and security platforms within IT/OT environments;
• Cloud platforms and hybrid cloud architectures;
• identity, access management, and endpoint management platforms; and
• backup, disaster recovery, and business continuity solutions
• extensive experience with Microsoft technologies including Microsoft 365, Azure, Intune, Entra, Exchange Online, and SharePoint;
• strong experience with backup and recovery solutions such as Veeam and Veeam 365;
• solid understanding of security principles, monitoring tools, and threat mitigation practices;
• experience operating in ITIL‑aligned operational environments;
• proven ability to lead technical workstreams and manage complex workloads;
• excellent communication, collaboration, and stakeholder engagement skills;
• a current, valid Australian driver’s licence is required; and
• willingness and ability to regularly travel to operational sites as required.

Desirable qualifications include:

• Tertiary qualifications in Computer Science, Information Technology, or a related discipline (or equivalent experience)
• Advanced certifications from Microsoft, VMware, or firewall vendors
• Additional certifications in cloud architecture, cybersecurity, or IT/OT integration

Some of the Many Benefits of Working with Talison Include

• Flexible working environment
• Income protection insurance
• Life insurance for company superannuation employees
• Attractive parental leave policy
• Salary sacrifice options for remote area housing, motor vehicles, and superannuation
• Participation in site performance‑based incentive schemes

Supporting a Diverse Workforce

Talison strongly encourages applications from candidates from diverse backgrounds and a wide range of work experiences. We are committed to providing a workplace where everyone is treated fairly, respectfully, and inclusively, and we welcome applications from all genders, cultures, and identities.

How to Apply

Please apply by submitting your Resume and Cover Letter via the Talison Careers portal, accessible through Talison advertisements on Seek and LinkedIn.

We look forward to receiving your application.