IT Systems Administrator

Barry.Nillson Lawyers; Sydney; Hybrid; AUD 90,000 - 130,000; Full time

Benefits offered by this job

Employer of Choice

Hybrid work model

BNWell wellbeing program

Structured mentorship & development

Job summary

Barry Nilsson in Australia is seeking a Systems Administrator to support day-to-day administration across Microsoft 365, endpoints and network services. You will resolve escalated incidents, assist with upgrades, and help maintain a secure, reliable technology environment.

The role involves 2nd level support for Aderant and iManage, plus collaboration with the national IT team. Flexible location options include Sydney, Melbourne or Brisbane, with hybrid working arrangements.

Qualifications

• Minimum 5 years of experience as Systems Administrator or senior IT support, ideally in legal or professional services.
• Extensive administration of Microsoft 365 suite: Entra ID, Exchange Online, Intune/MDM, Purview.
• Strong knowledge of Windows endpoints, DNS, DHCP, W‑Fi, and VPN technologies; scripting a plus.
• Experience with security controls, cyber risk management and ISO 27001 aligned practices.
• Familiarity with Aderant or iManage is desirable.

Responsibilities

• Administering and troubleshooting Microsoft 365, Entra ID, Exchange Online, Teams, SharePoint, OneDrive and Intune.
• Providing escalated 2nd level support for Aderant, iManage and other legal/business applications; liaising with external vendors for 3rd level support.
• Managing routine user lifecycle tasks, licences, groups, permissions and MFA.
• Maintaining vulnerability management and patching across servers, endpoints and cloud services; implementing secure hardening.
• Troubleshooting network services (Cisco Meraki, Wi‑Fi, VPN, DNS, DHCP) and supporting security platforms.

Skills

Microsoft 365

Entra ID

Exchange Online

Intune/MDM

TCP/IP networking

Education

IT certifications (desirable)

Tools

Aderant

iManage

Cisco Meraki

Mimecast

Keeper

KnowBe4

Exclaimer

Cloudflare

NinjaOne

Purview

Job description

About Us

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

About the Team

Our IT team is a tight-knit andfriendly group providing high-quality IT support nationally. The IT SystemsAdministrator reports to the IT Manager.

About the Role

We are seeking a SystemsAdministrator to provide support and day-to-day administration across thefirm’s legal applications, Microsoft 365 environment, endpoints and networkservices. The Systems Administrator will resolve escalated incidents, complete routineadministration, support upgrades and system changes, and help maintain a secureand 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 inMelbourne, Brisbane or Sydney.

About you

We’relooking for someone who brings both technical capability and a genuinecommitment to exceptional service. Your skillsand experience will include:

• at least 5 years’ experience as a Systems Administrator or senior IT support professional, preferably within legal or professional services;
• strong 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

• 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 beembraced for who you are — because we’re a firm defined by our people. Stepinto a workplace where individuality is celebrated, ambitions are realised, andcollaboration drives success. At Barry Nilsson, it’s about being you and goingfurther.

Barry Nilsson is committed tobuilding a diverse, inclusive and flexible workplace where all of our peopleare supported to be their authentic selves, valued for their uniquecontributions, rewarded fairly, connected to colleagues, and empowered to achievetheir full potential. We welcome applications from Aboriginal & TorresStrait Islander peoples, LGBTIQ+, as well as people of all ages, genders,abilities and cultures. Feel free to chat to the recruiter for this positionregarding any accommodations or adjustments you may require to the role or therecruitment process to ensure your equitable participation

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