Senior IT Security and Cloud Officer

Perilya Limited is an Australian mining company producing base and precious metals, with operations in Broken Hill, New South Wales, and the Dominican Republic. Our portfolio includes the Southern Operations, Potosi/Silver Peak, and Cerro de Maimón mines, supported by active exploration programs across Australia and the Dominican Republic.

We are establishing our new corporate headquarters in Adelaide, centralising key support functions as part of an exciting transformation of our business.

Role Details
We are seeking a technically proficient and detail-oriented Senior IT Security and Cloud Officer to join our Group Information Technology team based in Adelaide. This role plays a critical part in delivering Perilya's digital transformation and cloud migration program, with responsibility for implementing, securing, and maintaining cloud and hybrid infrastructure across the Group.

Working across our global operations, the successful candidate will ensure secure deployment of cloud services, migrating on-prem infrastructure to Azure, enhance existing cyber security controls on hardware, mobile devices, software and data, and contribute to maintaining compliance with Australian privacy and cyber security legislation. The role is hands-on and technically focused, reporting to the Group Information Technology Manager and supporting broader Group-wide risk, audit, and operational functions.

Deploy and maintain secure Azure and hybrid environments in line with Group architecture and governance frameworks.

Implement cloud-native security controls, identity management, encryption, and access policies

Investigate and respond to security events in accordance with the Group Incident Response Plan.

Assist with patching, remediation, and threat mitigation activities across IT environments.

Contribute hands-on to the execution of Perilya's cloud migration program, including application rehosting and infrastructure integration.

Ensure secure configuration, access controls, and logging are in place for all migrated systems.

Maintain detailed technical documentation and support internal/external audit and risk review processes.

Assist in conducting vulnerability assessments and developing risk mitigation plan.

Support documentation for Board reporting, Audit & Risk Committee reviews, and third-party integrations.

Assist in internal awareness and security training initiatives.

Minimum 8+ years' experience in IT, with at least 3–5 years focused on cloud and system administration in complex enterprise environment.

Experience in administrating SharePoint Online and Power Automate

Experience in remote monitoring application

Experience in MDM

Demonstrated experience supporting end-to-end cloud migrations, particularly within Microsoft Azure

Strong technical knowledge of Azure security architecture, Windows environments, networks, and virtualisation

Familiarity with security frameworks and standards (e.g., NIST CSF, ISO 27001)

Working knowledge of DevSecOps practices and CI/CD pipeline integration

Excellent analytical and diagnostic skills with a strong attention to detail

Ability to communicate technical concepts clearly to diverse stakeholders

Bachelor's degree in Information Technology, Cybersecurity, or a related discipline

Proficiency in scripting (e.g., PowerShell, Python) to automate security tasks

Experience in the mining, resources, or industrial sectors

Industry certifications such as CISSP, CISM, AZ-500, AZ-305; AZ-400, CCSP, or OSCP

Competitive remuneration and salary packaging options

Career development pathways within a global mining group

Exposure to enterprise-level cloud and cyber security transformation

Collaborative and high-performing team culture

At Perilya, we value integrity, accountability, and operational excellence. Our people are central to our success, and we are committed to supporting long-term growth and professional development.

If you are a technically capable cyber and cloud security professional ready to make an impact in a centralised Group IT function, we welcome your application.

Submit your application with your resume and cover letter outlining your experience and suitability for the role. At Perilya Limited, we value diversity and inclusion, strongly encouraging applications from women, Aboriginal and Torres Strait Islander peoples, and candidates from culturally diverse backgrounds.

We are committed to building an inclusive workforce where everyone has the opportunity to contribute, grow, and succeed.

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