Infrastructure & Cloud Operations Engineer (Daily Rate Contractor)

Arthur Cox LLP; Dublin; Hybrid; EUR 92,000 - 148,000; Part time

Benefits offered by this job

Competitive Daily Rate Structure

Gym & wellness programme

Onsite canteen and coffee docks

Job summary

Arthur Cox LLP in Dublin is seeking an experienced Infrastructure and Cloud Support Engineer to join the IT Operations team on a daily rate contractor basis (approx. 6 months). The role covers on-prem and cloud infrastructure, Microsoft 365 management, network, and telephony modernization.

You will work across cloud, security, service desk and applications to deliver stable, secure infrastructure. The successful candidate will support Telephony modernization, migrations to cloud-based telephony,

Qualifications

• Bachelor’s degree in computer science/IT or related field.
• At least 7 years’ experience in IT infrastructure engineering or related tech ops role.
• Proven experience administering and supporting Unified Communications.
• Experience migrating enterprise voice services from on-prem to cloud.
• ITIL Foundation or similar service management awareness.
• CISSP or similar security certification is a plus.

Responsibilities

• Maintain, configure and support infrastructure and cloud services (M365, on-prem, storage, virtualization, core network).
• Administer Entra ID, Conditional Access, MFA, and device compliance.
• Support unified communications platforms (Teams Phone, Direct Routing, UCaaS).
• Manage WAN/LAN connectivity, SD-WAN, firewall, routing, switching, and Wi‑Fi.
• Handle incidents, changes, problem management per ITIL.
• Develop documentation and runbooks; contribute to automation and modernisation.

Skills

Microsoft 365

Unified Communications

WAN/LAN networking

VMware

IT security basics

ITIL awareness

Education

Bachelor’s degree in computer science / information technology or related field

Tools

Cisco CCNA/CCNP/CLCOR

MS-720/721

MS-700

Microsoft 365 Certified

Job description

Location: 10 Earlsfort Terrace, Dublin 2, D02 T380

Application Deadline: 1 September 2026

Department: Information Technology

Location: 10 Earlsfort Terrace, Dublin 2, D02 T380

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

Location: Dublin (hybrid)

Reports to: Head of IT Operations, Infrastructure & Security

Contract Type: Daily Rate Contractor (circa 6 month)

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.

About the Role:

Arthur Cox is looking to hire an experienced Infrastructure and Cloud support engineer to join their growing IT operations team.

The successful candidate will play a critical role in maintaining, supporting, and enhancing the firm’s core technology platforms. This includes on‑premises infrastructure, cloud services, networks, storage, virtualization, and core compute environments.

A key element of the role will be supporting the firm's telecommunications environment while contributing to the strategic roadmap to modernise communications services. This will include maintaining and optimising the existing telephony platform, assisting with the migration of services to cloud-based telephony solutions, and supporting the gradual decommissioning of legacy telephony infrastructure as part of a broader cloud‑first strategy.

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

Infrastructure/Microsoft 365 Management & Operations

• Maintain, configure and support infrastructure and cloud services:- M365 (MS-Teams, Exchange Online and OneDrive.- On-prem servers, storage, virtualization platforms, and core network.
• Administer Entra ID, Conditional Access policies, MFA, and device compliance.
• Monitor system performance, service health, capacity, and availability; implement improvements to ensure reliability and resilience.
• Troubleshoot complex technical issues and serve as an escalation point for Tier 1 teams.
• Troubleshoot hardware issues and coordinate repairs or replacements where required.
• Perform regular patching, updates, and configuration changes in line with change management processes.

Telephony & Unified Communications

• Support and administer the firm's Unified communications platforms, including on-prem and cloud-based voice, messaging, conferencing, and collaboration services.
• Manage and support Microsoft Teams Phone, Direct Routing, Operator Connect and other UCaaS services as applicable.
• Ensure the availability, performance, and security of unified communication platforms across office and remote working environments.
• Contribute to the firm's telephony modernisation programme, including the migration of services from on‑premises platforms to cloud‑based telephony solutions.
• Assist with the phased decommissioning of legacy telephony infrastructure, ensuring minimal business disruption.

WAN Infrastructure

• Support the firm's Wide Area Network infrastructure, ensuring reliable and secure connectivity between offices, data centres, cloud platforms, and third‑party services.
• Assist with WAN modernisation initiatives, including cloud connectivity, SD‑WAN optimisation, and enhanced remote access solutions.
• Support network resilience, redundancy, and disaster recovery capabilities.
• Ensure network infrastructure aligns with cybersecurity standards and business continuity requirements.
• Maintain network documentation, diagrams, standards, and operational procedures.

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

• Implement and maintain security controls across infrastructure components in partnership with the security operations team.
• Remediate vulnerabilities, apply patches, and support Zero Trust principles where applicable.
• Ensure compliance with organisational, regulatory, and security standards.

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
• 7 years’ experience in IT infrastructure engineering or a related technical operations role.
• Proven experience administrating and supporting Unified Communications environment.
• Demonstrable experience migrating enterprise voice services from on‑premises platforms to cloud‑based telephony solutions.
• Certifications (Highly desirable):- Relevant industry certification i.e. Cisco (CCNA/CCNP/CLCOR), etc.- MS-720/721 (Microsoft Teams voice Engineer certification), MS-700 (Managing Microsoft teams) or other relevant certifications.- Microsoft 365 Certified.
• ITIL Foundation or similar service management awareness.
• CISSP or similar security certification a plus
• Experience with device analytics or monitoring tools

Skills and Competencies

Essential Technical skills

• Expertise in Microsoft 365 (Teams, OneDrive, Exchange Online, Intune and Entra ID), Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP and troubleshooting methodologies.
• Strong experience of Unified Communications platforms including CUCM, Unity Connection, voice gateways, and SIP services.
• Demonstrable experience and WAN/LAN services including Internet circuits, SD‑WAN, firewall, routing, switching and Wi‑Fi.
• Demonstrable experience delivering telephony transformation, migration, or cloud adoption programmes.
• Strong knowledge of virtualization (VMware), storage systems, and backup technologies.
• Knowledge of ITIL processes (Incident, Problem, Change Management).

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: develop knowledge base and skill set beyond that called for by immediate tasks and continually push 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

• Competitive Daily Rate Structure
• Full gym and wellness programme
• Onsite canteen and coffee docks