Enter a job title or keyword
M365Cloud Infrastructure Support Engineer
Job Location:
Monthly Salary:
Posted:
10 June 2026 (30+ days ago)
Posted:
Application Deadline:
7 September 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Arthur Cox LLP is one of Irelands 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.
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 clients business and the wider legal industry. IT operations play a central role connecting digital capabilities to the firms 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.
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 clients business and the wider legal industry. IT operations play a central role connecting digital capabilities to the firms 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 firms 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 vendors 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 nonproduction environments.
- Monitor platform health availability and security proactively identifying and resolving issues.
- Troubleshoot Azurerelated incidents and participate in rootcause 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
- Bachelors 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 teams 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
Required Experience:
IC
About Company
Ireland’s leading corporate and business law firm with offices in Dublin, Belfast, London, New York, and San Francisco.
