A

Arthur Cox

Full-service law firm: corporate, litigation, finance

Infrastructure & Cloud Operations Engineer

ContractUpdated on 10/23/2026
No salary listed
Senior
Bachelor's
Dublin, Ireland
HybridHybrid work in Dublin.
IT OperationsSystem Administration

About the job

Requirements
  • A bachelor's degree in computer science, information technology, or a related field and five years of experience in IT infrastructure engineering or a related technical operations role.
  • Expertise in Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, and troubleshooting methodologies.
  • Strong experience with Microsoft 365 services including Teams, OneDrive, Exchange Online, Intune, and Entra ID.
  • Strong knowledge of virtualization using VMware, storage systems, and backup technologies.
  • Strong understanding of networking fundamentals, including LAN/WAN, firewalls, routing, and switching.
  • Knowledge of ITIL processes for incident, problem, and change management.
  • Demonstrated critical thinking, troubleshooting, and problem-solving skills for complex technical problems.
  • Excellent interpersonal, written, and verbal communication skills in English for technical and business audiences, individually and in groups.
  • Strong customer service mindset.
  • High-quality documentation skills and a process-oriented approach.
  • Ability to complete assignments with minimal direction and work independently as well as part of a team.
  • Strong attention to detail and a methodical approach.
  • Ability to work with internal and external stakeholders, independently or as part of a diverse team.
  • Ability to work overtime and weekends when necessary and handle ambiguity, emergencies, interruptions, and competing deadlines.
  • Proactive and adaptable approach, willingness to work hands-on, and ability to take ownership of individual and team work.
  • Ongoing willingness to learn evolving technologies and continually develop knowledge beyond immediate tasks.
  • Continuous improvement mindset and ability to evaluate results to improve processes, methods, and technology direction.
Responsibilities
  • Maintain, configure, and support on-premises and cloud-based infrastructure, including servers, storage, virtualization platforms, and core networks.
  • Monitor system performance, capacity, and availability, and implement improvements to ensure reliability and resilience.
  • Perform regular patching, updates, and configuration changes in line with change management processes.
  • Troubleshoot complex technical issues and serve as an escalation point for Tier 1 and Tier 2 teams.
  • Troubleshoot hardware issues and coordinate repairs or replacements as required.
  • Support, administer, and optimise Microsoft Azure infrastructure and platform services.
  • Manage Azure resources including virtual machines, storage accounts, networking, security controls, and identity services.
  • Support cloud security initiatives using Microsoft Defender, Azure Security Center, Conditional Access, and Zero Trust principles.
  • Assist with cloud migration, infrastructure modernisation, and Azure adoption initiatives.
  • Support Azure Landing Zone standards, subscriptions, and role-based access control.
  • Administer, support, and optimise Microsoft 365 services including Teams, SharePoint, Exchange Online, OneDrive, and related cloud services.
  • Administer Entra ID, Conditional Access policies, multi-factor authentication, and device compliance.
  • Monitor Microsoft 365 service health and resolve Tier 2 issues.
  • Support endpoint management and modern workplace initiatives using Microsoft Intune.
  • Manage and resolve incidents within defined service-level agreements, 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.
  • 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.
  • Support delivery of infrastructure projects, upgrades, and migrations.
  • Contribute to infrastructure modernisation initiatives, including cloud adoption and migration.
  • Identify opportunities for automation, optimisation, and simplification.
  • Develop and maintain technical documentation, support guidelines, and runbooks.
Desired Qualifications
  • Microsoft 365 Certified: Administrator Expert certification.
  • Microsoft Azure certification AZ-104 or AZ-800.
  • Relevant industry certification such as Cisco CCNA/CCDA or higher, CompTIA+, or similar.
  • ITIL Foundation or similar service management awareness.
  • CISSP or similar security certification.
  • Experience with device analytics or monitoring tools.
  • PowerShell or another scripting language for automation tasks.
  • Knowledge of Azure Kubernetes Service.
  • Knowledge of continuous integration/continuous delivery, GitHub Enterprise, and Infrastructure as Code.

About the company

A

Arthur Cox

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Arthur Cox is a full-service law firm with offices in Dublin, Belfast, London, New York, and San Francisco. It offers a wide range of legal services for domestic and international clients, including corporate and M&A, litigation and dispute resolution, real estate, and debt finance. The firm operates by providing expert legal advice and acting as a one-stop shop for clients’ needs, typically charging fees for its services. Its international presence and long-standing expertise differentiate it from competitors, along with a strong emphasis on a sustainable business program that addresses environmental, workplace, community, and marketplace impacts. The firm’s goal is to help clients navigate complex legal challenges with trusted, high-quality advice while growing its business responsibly and sustainably.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Dublin, Ireland

Founded

1920

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Simplify's Take

What believers are saying

  • Arthur Cox advised Mater Private Network on a €520 million refinancing on 2 September 2026.
  • July-August 2026 mandates included KKR's £5.75 billion DCC Energy acquisition and Kingspan's BMC deal.
  • Arthur Cox won Chambers Europe 2026 top Ireland firm and pro bono honors.

What critics are saying

  • Irish and London deal fees track transaction volumes; slower M&A quickly hits 2026 revenue.
  • Magic Circle and US firms intensify pressure in London, especially on private capital mandates.
  • AI drafting and client insourcing commoditize routine work, threatening partner leverage and margins.

What makes Arthur Cox unique

  • Arthur Cox pairs Dublin depth with London, New York, and San Francisco cross-border reach.
  • Chambers Europe 2026 ranked Arthur Cox Band 1 in 18 practice areas.
  • Jennifer Ward's March 2026 CTO role formalizes firmwide AI and innovation strategy.

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Benefits

  • Professional Development Budget

Company News

Arthur Cox
Oct 12th, 2026
Arthur cox shortlisted for Legal Adviser of the Year, EMEA at the Infra Global Investor Awards 2026.

Arthur cox shortlisted for Legal Adviser of the Year, EMEA at the Infra Global Investor Awards 2026. The winners will be announced at the Infra Global Investor Awards 2026 EMEA ceremony at The Savoy Hotel, London, on 26 November. 12/10/2026 Awards Arthur Cox has been shortlisted in the Legal Adviser of the Year, EMEA category at the Infra Global Investor Awards 2026. The Infra Global Investor Awards recognise excellence in fundraising, deployment and M&A activity across the energy and infrastructure sector. The awards are judged by an independent panel of industry professionals and recognise organisations that have demonstrated innovation, impact and success over the past year. Arthur Cox areshortlisted alongside leading international firms in the Legal Adviser of the Year, EMEA category, reflecting its continued involvement in some of the most significant transactions across Ireland, Europe and beyond.

Arthur Cox
Sep 1st, 2026
Arthur Cox LLP appoints Amy McDermott and Christopher O'Reilly to lead London office.

Arthur Cox LLP appoints Amy McDermott and Christopher O'Reilly to lead London office. 01/09/2026 Appointments Amy McDermott and Christopher O'Reilly have been appointed to lead its London office, effective from 1 September 2026. Amy and Christopher succeed Conor McCarthy, partner in its Corporate and M&A Group, who returns to Dublin after leading the London office since 2022. During his tenure, Conor played an important role in strengthening its presence in London and supporting clients across international markets. Amy is a partner in its Corporate and M&A Group and advises financial investors and public and private companies on the full spectrum of corporate transactions across a range of industries. Her practice encompasses complex domestic and cross-border M&A, corporate finance transactions, joint ventures, corporate reorganisations and a wide variety of corporate and commercial matters. Christopher is a partner in its Asset Management and Investment Funds Group. He advises investment managers, service providers and investors on all aspects of Irish fund law, regulation and governance. Christopher specialises in the establishment and operation of alternative investment funds, private capital structures, UCITS ETFs and other regulated businesses and funds. Commenting on the appointments, Geoff Moore, Managing Partner, said: "Its London office is an important part of its international business and plays a key role in supporting clients on complex international matters. Amy and Christopher are highly regarded lawyers whose expertise, strong client relationships and international experience make them ideally placed to lead the office's continued development. I would also like to thank Conor for his leadership of the London office. He has made a significant contribution to strengthening its presence in London and has developed many strong relationships across the market." John Matson, Head of International, commented: "Amy and Christopher's appointments mark an important next step in the evolution of our London office. Building on the strong foundations established by Conor, they will continue to strengthen the connections of and between our international offices and support our clients wherever they do business." With offices in Dublin, Belfast, London, New York and San Francisco, Arthur Cox support clients across international markets on complex cross-border matters.

Arthur Cox
Jul 24th, 2026
Arthur cox sponsoring FintechNation 26.

Arthur cox sponsoring FintechNation 26. Arthur Cox LLP is sponsoring FintechNation 26 on Tuesday 22 September at the Mansion House, Dublin. 24/07/2026 Events Hosted by Fintech and Payments Association of Ireland (FPAI), FintechNation 26 is a leading industry event bringing together fintech professionals from across Ireland for a programme of expert discussion, market insights and valuable networking opportunities. Under this year's theme, 'Small island, big ambition: Powering Ireland's fintech future', attendees will hear from industry experts, policymakers and innovators as they examine the trends, opportunities and challenges shaping the sector.

Arthur Cox
Jul 22nd, 2026
Dublin CLO & Private Credit Forum 2026.

Dublin CLO & Private Credit Forum 2026. Arthur Cox LLP is sponsoring the Dublin CLO & Private Credit Forum, taking place on Thursday 3 September. 22/07/2026 Events Hosted by Opal Group, the Dublin CLO & Private Credit Forum brings together senior leaders from across the European credit market for a day of insights, networking and discussion. The Forum will explore key developments shaping the CLO and private credit landscape, including investor allocation trends, private credit securitisation, European direct lending and the role of Ireland as a leading domicile for these structures. Brendan Kennedy, Partner in its Structured Finance and Securitisation Group, will speak on the panel "Structuring for Success: Legal, Tax & Regulatory Considerations Across CLOs and Private Credit".

Newsletter.co.uk
Jun 15th, 2026
'Important milestone in their careers': Northern Ireland law firm announces senior promotions across corporate, real estate and banking teams.

'Important milestone in their careers': Northern Ireland law firm announces senior promotions across corporate, real estate and banking teams. By Claire Cartmill Published 15th Jun 2026, 12:27 BST Lois Arbuthnot, Darren Fitzsimons, Hannah Jackson, Ross Carrigan and David Rogan take up new roles as Arthur Cox NI continues to invest in talent and marks 30 years in Northern Ireland Leading law firm Arthur Cox Northern Ireland has announced a series of senior promotions, reinforcing the firm's long-term growth strategy and continued commitment to investing in legal talent in the region. Lois Arbuthnot, Darren Fitzsimons and Hannah Jackson from the Corporate and M&A Group, alongside Ross Carrigan from the Real Estate Group, have been promoted to senior associate while David Rogan has been appointed Of Counsel in the firm's Banking and Finance Group. The appointments reflect Arthur Cox's ongoing investment in its people, ensuring the firm continues to provide expert legal advice and strategic counsel to clients across a broad range of sectors. You May Like Both Lois Arbuthnot and Hannah Jackson began their legal careers with Arthur Cox, having joined the firm as trainees in 2017. Their progression to Senior Associate underscores the firm's strong track record of nurturing and developing talent from within. Lynsey Mallon, managing partner at Arthur Cox Northern Ireland, said: "These promotions acknowledge Ross, Lois, Darren, Hannah and David's talent and ambition. "They have each made a significant contribution to the continued growth of our firm, and I am pleased to see them reach this important milestone in their careers. "At Arthur Cox, our people are one of our greatest strengths. We are committed to creating an environment in which talented lawyers can develop, progress and build long-term careers. "I would like to congratulate David, Lois, Darren, Hannah and Ross on this well-deserved recognition and wish them continued success in their new roles." This latest announcement comes as Arthur Cox marks 30 years in Northern Ireland. Since establishing its Belfast office in 1996, the firm has played a leading role in advising businesses, financial institutions, public sector organisations and investors on many of the region's most significant transactions and projects.