About Us

Welcome to Barry Nilsson. For 60 years, we’ve been shaping a better experience for our clients and our people. What sets our firm apart is not just what we do, but who we are: a team known for its collaborative spirit and commitment to excellence, inclusion, and innovation. As an award-winning national law firm, we’ve built a culture that empowers you to not only grow your career, but be your authentic self while you do it.

About the Team

Our IT team is a tight-knit and friendly group providing high-quality IT support nationally. The IT Systems Administrator reports to the IT Manager.

About the Role

We are seeking a Systems Administrator to provide support and day-to-day administration across the firm’s legal applications, Microsoft 365 environment, endpoints and network services. The Systems Administrator will resolve escalated incidents, complete routine administration, support upgrades and system changes, and help maintain a secure and reliable technology environment.

The main responsibilities of the role include:

- administering and troubleshooting Microsoft 365, Entra ID, Exchange Online, Teams, SharePoint, OneDrive and Intune;
- providing escalated 2nd level support for Aderant, iManage Work and other legal and business applications and liaising external vendors for escalated 3rd level support;
- managing routine user lifecycle tasks, licences, groups, permissions, shared mailboxes, multifactor authentication and application access;
- administering vulnerability management and patching processes across servers, endpoints and cloud services, leveraging Microsoft Defender to identify risks, prioritise remediation, and implement secure hardening standards;
- troubleshooting Cisco Meraki networks, Wi‑Fi, VPN, DNS, DHCP, internet connectivity and remote-access issues;
- supporting Mimecast, KnowBe4, Exclaimer, Keeper, Cloudflare and related security and business platforms;
- investigate Microsoft Office and legal application integrations, particularly Outlook, Word,



iManage and PDF workflows;
- working with SOC and ROC teams, monitor and act on system alerts, maintain technical documentation and liaise with vendors to resolve escalated issues;
- supporting the firm’s information security and compliance obligations including ISO 27001 aligned controls, access reviews, asset records, incident management, change control, vulnerability remediation and audit evidence; and
- working alongside the national IT team to support them day-to-day.

We are open to candidates located in Melbourne, Brisbane or Sydney.

About you

We’re looking for someone who brings both technical capability and a genuine commitment to exceptional service.

Your skills and experience will include:

- at least 5 years’ experience as a Systems Administrator or senior IT support professional, preferably within legal or professional services;
- solid administrative experience across Microsoft 365; Entra ID, Exchange Online and Intune/MDM, Purview;
- knowledge of Windows endpoints, permissions, software deployment and device compliance;
- working knowledge of TCP/IP, DNS, DHCP, Wi‑Fi and VPN technologies;
- strong communication, documentation and customer service skills;
- understanding of cyber security, confidentiality and compliance controls;
- exposure to Rapid7, Cisco Meraki, Mimecast, NinjaOne, KnowBe4, Exclaimer, Keeper, Cloudflare, or similar technology.
- experience supporting Aderant and/or iManage (desirable); and
- relevant Microsoft, ITIL, Cisco/Meraki or security certifications (desirable).

Benefits of Working with Us Just to name a few, we have:





- been acknowledged as an ‘Employer of Choice’ for the last 8 years;
- a supportive environment where managers genuinely care about your wellbeing;
- opportunities for structured mentorship and continuous professional development;
- progressive policies including a 9.5-day fortnight, working from home, purchase of leave options, volunteer leave, and a public holiday swap policy;
- an annual performance bonus scheme designed to recognise and reward strong performance;
- a relaxed office environment where you can “Dress for your Day”;
- access to our Health & Wellbeing program, BNWell, which supports the mental, physical and financial wellbeing of our people including a yearly health & wellbeing allowance and a health & wellbeing leave day; and
- a shared care parental leave policy offering 26 weeks of paid leave with no primary/secondary carer distinction.

Ready to Go Further? From your first day, expect to be embraced for who you are — because we’re a firm defined by our people. Step into a workplace where individuality is celebrated, ambitions are realised, and collaboration drives success. At Barry Nilsson, it’s about being you and going further. Apply today.

To make a confidential application, please click ‘Apply Now’ and address your application to Jo Clementson – People & Culture Adviser.

Barry Nilsson is committed to building a diverse, inclusive and flexible workplace where all of our people are supported to be their authentic selves, valued for their unique contributions, rewarded fairly, connected to colleagues, and empowered to achieve their full potential. We welcome applications from Aboriginal & Torres Strait Islander peoples, LGBTIQ+, as well as people of all ages, genders, abilities and cultures. Feel free to chat to the recruiter for this position regarding any accommodations or adjustments you may require to the role or the recruitment process to ensure your equitable participation.

📌 IT Systems Administrator (Sydney)
🏢 Barry Nilsson
📍 Sydney