Join to apply for the Senior Systems Administrator role at Gilbert + TobinJoin to apply for the Senior Systems Administrator role at Gilbert + TobinGilbert + Tobin is built on enduring values of excellence, trust, respect, integrity and good corporate citizenship. We are a leading firm with over 500 lawyers, trusted by our clients to navigate today’s increasingly complex world.We are purpose-built for our clients’ most complex work - across transactions, disputes and regulation. Our partners are leaders in their fields, delivering the highest quality of legal advice and providing an exceptional edge for our clients. They also provide our lawyers the opportunity to work with and learn from them. We are innovators in the use of technology, redefining value and service in the legal industry.Our open, merit-based culture attracts and inspires the best legal talent. Founded in 1988, G+T’s journey has been one of relentless ambition and rapid progress, achieving extraordinary success in just over three decades.We remain as determined as ever to be the best it’s possible to be.Role OverviewGilbert + Tobin is seeking a seasoned and technically proficient Senior Systems Administrator to support and evolve our complex hybrid IT environment. Spanning on-premises and cloud platforms, this role is pivotal in maintaining the stability, security, and performance of infrastructure services that underpin the delivery of legal services across the firm.Operating within the Infrastructure Team as part of Technology Operations, this is a hands-on and influential role ideal for an experienced engineer who thrives in sophisticated enterprise environments. You’ll act as a trusted escalation point and provide technical leadership and mentoring across the team. This is your opportunity to apply your deep diagnostic, cloud, and automation expertise in a collaborative, high-accountability culture.Key ResponsibilitiesManage infrastructure platforms across Windows Server, Linux (Red Hat/Ubuntu), VMware ESXi, and public cloud (Azure, AWS)Act as a senior escalation point for complex technical and service incidentsContribute to automation using PowerShell, Bash, Python, Pulumi, and similar infrastructure-as-code toolsetsEnsure infrastructure security, compliance, and resilience in line with firm policyMaintain and troubleshoot identity and network infrastructure, including Active Directory, Entra ID, Fortinet, Cisco, ZscalerLead and implement changes, upgrades, and incident responses following change control processesMaintain thorough documentation to support operational consistency, audits, and knowledge transferAbout youProven experience supporting hybrid environments using Azure, AWS, VMware, and modern endpoint toolsDeep technical skills across cloud, virtualisation, and core infrastructure platformsStrong scripting and automation skills with tools like PowerShell, Bash, Python, or PulumiExperienced in managing infrastructure components such as Active Directory, DNS/DHCP, Microsoft 365, Exchange OnlineComfortable mentoring others and contributing to a culture of accountability and high standardsPassionate about automation, documentation, and secure, reliable operationsRelevant certifications (e.g., Microsoft Certified: Azure Administrator, AWS Solutions Architect Associate) are highly regardedWhat we offerA supportive and flexible work environment.Top of market remuneration and a range of benefits including 26 weeks’ paid parental leave, additional annual leave, subsidised café and gym membership, end of trip facilities, exclusive retail discounts, social events and much more, which you can view here: https://www.gtlaw.com.au/careers/benefitsBeautiful sunlit open-plan offices with panoramic views of the city and easy access to public transport, restaurants, cafes and exercise facilities.How to applyPlease submit your interest via our careers website with a resume.Should you have any questions about the role, or require an adjustment to participate in the recruitment process please contact gtcareers.com.auWe are committed to providing and maintaining a diverse and inclusive environment and a culture where everyone feels valued and empowered to contribute.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionInformation TechnologyIndustriesIT Services and IT Consulting and Law PracticeReferrals increase your chances of interviewing at Gilbert + Tobin by 2xSign in to set job alerts for “System Administrator” roles.St Leonards, New South Wales, Australia 2 months agoChatswood, New South Wales, Australia 4 weeks agoSydney, New South Wales, Australia A$110,000.00-A$120,000.00 3 days agoSydney, New South Wales, Australia 2 weeks agoSutherland, New South Wales, Australia 1 week agoNorth Sydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia 3 days agoSydney, New South Wales, Australia 14 hours agoSydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia A$125,693.00-A$138,510.00 2 weeks agoRydalmere, New South Wales, Australia 6 days agoSydney, New South Wales, Australia A$120,000.00-A$163,000.00 3 weeks agoSydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia 4 months agoMillers Point, New South Wales, Australia 3 weeks agoBaulkham Hills, New South Wales, Australia 1 week agoSydney, New South Wales, Australia 3 days agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 3 weeks agoSydney, New South Wales, Australia 2 days agoSenior Systems Administrator - MigrationBella Vista, New South Wales, Australia 3 weeks agoSydney, New South Wales, Australia 3 days agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 16 hours agoWe’re unlocking community knowledge in a new way. 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