M365/Cloud Infrastructure Support Engineer

Description

Arthur Cox LLP is one of Ireland’s leading law firms. We are an “all\-island” firm with offices in Dublin and Belfast. We also have offices in London, New York, and San Francisco. Our practice encompasses all aspects of corporate and business law.

With 600 legal staff and a total headcount of nearly 900, we provide a comprehensive service to an international client base ranging from multinational organisations, banks, and financial institutions and established global leaders to government agencies and new players in emerging industry sectors.

Our story has been defined by our progressive outlook. For over 100 years, we have led the way in the legal field in Ireland. For our clients, we work to deliver the best service and support. With an independent, entrepreneurial spirit of innovation leading the way.

Department: IT Team

Location: Dublin (Hybrid Model, minimum 3 days onsite)

Reports to: Head of IT Operations

Contract Type: Permanent / Full\-time

Background:

Arthur Cox is at the forefront of technology adoption that drive value within the firm, its client's business, and the wider legal industry. IT operations play a central role, connecting digital capabilities to the firm’s objectives and creating a solid foundation for continued success.

We are now seeking to hire an experienced M365/Cloud Infrastructure Support Engineer to join our growing IT operations team.

About the Role:

The Microsoft 365 Support Engineer is responsible for the operational support, administration, and continuous improvement of the firm’s M365 environment. This role ensures the delivery of secure, reliable, and high\-quality end\-user services across collaboration, communication, and productivity platforms, aligned with a white\-glove service delivery model.

The primary focus is on Microsoft 365 services and platform operations with a strong emphasis on scripting, automation and AI enablement to enhance service delivery, reduce manual effort, and improve operational efficiency.

The role also requires strong competency in Azure services supporting identity, integration, and cloud infrastructure alignment.

The successful candidate will work collaboratively across multidisciplinary IT teams including cloud, security, service desk, and applications to deliver stable, secure, and scalable infrastructure services.

This role also involves direct interaction with managed service providers to support smooth business operations and ongoing digital transformation initiatives.### Key Responsibilities

M365 Platform Support \& Administration:* Provide day\-to\-day support and administration of Microsoft 365 suite: Exchange Online, SharePoint Online, Entra ID, Microsoft Teams, etc.

• Troubleshoot complex M365 service issues across identity, mail flow, and collaboration platforms.


• Manage user lifecycle processes (joiners, movers, leavers), with a focus on scripted automation.

Monitor service health and proactively address performance issues and vendor’s escalations where required.

• Scripting \& Automation:* Write and maintain advanced scripts to automate repetitive operational processes to improve efficiency and reduce manual effort.


• Utilise Microsoft Graph API and Microsoft Graph Explorer to build custom automation, workflow integrations, and diagnostics.

Assist with automation, monitoring, and incident response impacting M365 services (e.g. authentication, access, service health).

• Azure Operations:* Provide operational support for cloud infrastructure across production and non‑production environments.


• Monitor platform health, availability, and security, proactively identifying and resolving issues.


• Troubleshoot Azure‑related incidents and participate in root‑cause analysis and service improvement activities.


• Support hybrid Azure environments, connectivity, and identity integration using Entra ID.

Incident, Problem \& Change Management:* Manage and resolve incidents within defined SLAs, ensuring high\-quality updates and communication.

• Follow ITIL\-driven processes for change, problem, and service performance management.

Participate in root\-cause analysis and continuous improvement activities

• Security, Compliance \& Governance:* Ensure cloud resources comply with security baselines, governance standards, and regulatory requirements.


• Contribute to backup, disaster recovery, and business continuity planning for production workloads.


• Ensure compliance with organisational, regulatory, and security standards.

Documentation \& Continuous Improvement:* Contribute to the ongoing evolution of M365 and Azure services.

• Identify opportunities to improve resilience, security, and operational efficiency.


• Develop and maintain technical documentation, runbooks, and operational standards for cloud platforms.

Participate in knowledge sharing and continuous improvement initiatives within the cloud operations team.

• Project Delivery \& Continuous Improvement:* Support the delivery of infrastructure projects, upgrades, and migrations.


• Contribute to infrastructure modernisation initiatives, including cloud adoption/migration


• Identify opportunities for automation, optimisation, and simplification.


• Develop and maintain technical documentation, support guidelines, and runbooks.

Skills Knowledge and Expertise

• Bachelor’s degree in computer science, Information Technology or related field AND


• 5 years’ experience in cloud or infrastructure support, with strong hands\-on M365 and Azure operations experience.

Strong PowerShell scripting and automation experience in enterprise environments.

• Certifications (Highly desirable):* Microsoft 365 Certified: Associate (Endpoint, Teams, Identify and Access Administrator.


• Azure Fundamentals or above.


• ITIL Foundation or similar service management awareness.


• CISSP or similar security certification a plus.

Technical skills:* Strong hands\-on experience supporting Microsoft 365 and Azure in a production environment.

• Strong scripting and automation skills.


• Experience with Microsoft Graph API (essential).


• Solid understanding of M365 identity, networking, security, and monitoring.


• Experience with device analytics or monitoring tools.

Soft skills:

• Demonstrated critical thinking, troubleshooting and problem\-solving skills to complex technical problems.


• Excellent interpersonal, written, and verbal communication skills in English to both technical and business audiences (individual or group)


• Strong customer service mindset.


• High\-quality documentation skills and process\-oriented approach.


• Ability to complete assignments with minimal direction.


• Ability to work independently and as part of a team.

Strong attention to detail and a methodical approach.

• Additional competencies:* Collaborative mindset and who can work independently or more often as part of a diverse team and group of internal and external stakeholders.


• Exceptional aptitude for dealing with ambiguity, unexpected emergencies, frequent interruptions, and competing deadlines (must be able to work overtime and weekends when necessary).


• Proactive, flexible and adaptable disposition with a willingness to work hands\-on, demonstrating attention to detail and the ability to take ownership of individual and team’s work.


• Innate curiosity and willingness to learn and evolving technology environment on an ongoing basis: developing knowledge base and skill setting beyond that called for by immediate tasks and continually pushing the ‘knowledge envelope’.


• A continuous improvement mindset, continually critically evaluating results to drive improvements of processes and / or methods and/or underlying technology direction.

Benefits

We reward, encourage and support our talented people to reach their full potential offering excellent progression opportunities along with a market leading remuneration package and benefits including:* Competitive salary

• 25 days annual leave


• Hybrid working policy


• Immediate pension scheme


• Comprehensive health and wellness benefits including full gym and wellness programme


• TaxSaver and Bike to Work scheme


• Wide\-ranging opportunities for involvement in internal committees

About Arthur Cox

Arthur Cox is one of Ireland’s leading law firms and provides a comprehensive service to an international client base ranging from multinational organisations, banks and financial institutions, established global leaders to government agencies and new players in emerging industry sectors. Our story has been defined by our progressive outlook. For over 100 years, the firm has led the way in the legal field in Ireland, delivering the best service and support for our clients. With an independent, entrepreneurial spirit of innovation leading the way.

*Arthur Cox LLP is an equal opportunities employer. We value diversity and encourage applications from all sections of society. Please advise if you have any additional requirements, we will happily assist. Any information disclosed by you in this regard will be kept strictly confidential and shared within the firm only as necessary and with your consent.*
*Reasonable accommodations provided for the purposes of your interview or which you may require during your employment will not be taken into account in hiring decisions.*

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