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Job Requisition Id: 1099
Senior Systems Administrator
Date: 13 Jul 2026
Location:
Perth, WA, AU, 6000
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Job Description:
About WesCEF
Wesfarmers Chemicals, Energy & Fertilisers (WesCEF) is a division of Wesfarmers Limited and has been operating in Western Australia for more than 110 years. Our eight businesses manufacture and supply essential products to over 225,000 customers in 26 countries, supporting key sectors including agriculture, mining, energy, construction and households. Safety, sustainability and community are central to how we operate. We are committed to continuous safety improvement and are working toward net zero Scope 1 and 2 emissions by 2050. With more than 1,300 employees across WA, Queensland and Victoria, we foster a respectful, inclusive workplace where diverse thinking is valued. Guided by our Diversity, Equity, Inclusion and Belonging Strategy and Aboriginal Inclusion Plan, we support gender balance, cultural respect, Indigenous employment and flexible work. We invest in our people through training, career development and recognition programs. With our headquarters in Perth, WesCEF plays a key role in supporting Australia’s economic growth and advancing a more sustainable future.
WESCEF: We create long-term value for critical industries and everyday life.
About the role
With strong technical expertise and a commitment to operational excellence, you will help deliver secure, reliable and high-performing infrastructure platforms across WesCEF. You will design, administer, and support the organisation’s compute, storage, virtualisation, messaging, and backup infrastructure services, ensuring systems remain secure, available, and fit for purpose.
Key Responsibilities:
Take a proactive role in the administration, operation, and continual improvement of infrastructure systems and services across the organisation.
Monitor system performance, capacity and health to improve availability, resilience and operational efficiency.
Maintain system security and supportability through patching, upgrades and lifecycle management activities.
Troubleshoot and resolve complex incidents and technical issues affecting infrastructure platforms and services.
Act as a technical lead representing the Infrastructure and Systems function on technology and business projects.
Perform root cause analysis and implement permanent solutions to prevent the recurrence of issues.
Develop automation and self-service capabilities to improve efficiency, consistency and scalability.
Collaborate effectively with IT teams, vendors and business stakeholders to deliver reliable technology outcomes.
Participate in the Infrastructure and Systems on-call roster, providing after-hours support for business-critical systems and infrastructure emergencies.
About You
Relevant tertiary qualification and/or industry certifications.
Demonstrated experience as a senior infrastructure, systems administration or engineering role.
Strong analytical, troubleshooting and problem solving-skills.
Experience with enterprise infrastructure technologies including VMware, NetApp and Pure Storage platforms, Microsoft Exchange, Active Directory and Microsoft EntraID, Citrix Virtual Apps, NetScaler ADC, Veeam Backup, and endpoint management technologies.
Experience with infrastructure automation and scripting technologies such as PowerShell to improve operational efficiency and service reliability.
Excellent verbal and written communication skills.
Ability to engage effectively with stakeholders in technical and non-technical fields.
Adaptable and resilient in working in a fast-paced environment with complex business needs.
What we offer
At Wesfarmers Chemicals, Energy & Fertilisers (WesCEF), we value our people and offer a range of benefits designed to support your wellbeing, development and career growth, including:
Competitive remuneration, including access to the Wesfarmers employee share plan and participation in our annual incentive plan
Flexible working arrangements, including some work-from-home options where applicable
Salary sacrifice opportunities, including novated leasing
Access to a wide range of employee benefits across the Wesfarmers Group, including staff discounts at Bunnings, Kmart, Target, Officeworks and Kleenheat, as well as access to Wesfarmers-sponsored arts and cultural events
Paid parental leave of up to 18 weeks
Ongoing professional development and career opportunities across WesCEF and the broader Wesfarmers Group
Why WesCEF
At WesCEF, we are committed to building an engaged, high-performing and inclusive workforce that reflects the communities in which we operate. We value diversity of thinking, skills and experience, knowing this drives innovation and better business outcomes.
We welcome applications from people of all backgrounds and encourage Aboriginal and Torres Strait Islander peoples to apply.
We are proud to support flexible working arrangements and understand that flexibility looks different for everyone. If flexibility is important to you, we encourage you to discuss your needs as part of the application process.
WesCEF operates across multiple locations, with our two major hubs based in Kwinana and the Perth CBD.
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Applications close: 5pm AWST 25th July 2026
We reserve the right to commence the recruitment process prior to the closing date. Therefore, it is recommended to apply as soon as possible.
Our recruitment process considers your alignment to our company values and the requirements of the role. We also have several checks which may be conducted to demonstrate your suitability for the role including but not limited to psychometric assessment, police checks, medical, drug and alcohol testing, right to work check, qualifications, due diligence and/or reference checks.
Please note that while we endeavour to work through this process as efficiently as possible, with the festive season fast approaching, there may be delays to the recruitment process. We thank you for your patience and understanding during this period.
We respectfully advise that agency applications will not be accepted.
This position is suitable for applicants with Australian Work Rights.
