6 System Administrator jobs in Ireland

We are seeking an experienced and proactiveSystem Administrator with expertise in the Microsoft technology stack to join a dynamic and collaborative IT team. The successful candidate will be responsible for the management, implementation, and support of cloud and on-premise Microsoft services, with a focus on Microsoft 365, Azure, and associated tools. Key Responsibilities: Manage and support Microsoft 365 and Azure environments. Implement and maintain Intune device policies across Windows, iOS, and Android platforms. Administer and troubleshoot Azure Virtual Desktop (AVD) and FSLogix. Automate administrative tasks using PowerShell scripting. Monitor and maintain infrastructure using RMM tools such as Kaseya, Datto, or similar. Implement and manage Microsoft security features including DLP, Conditional Access, and sensitivity labels. Collaborate with cross-functional teams to deliver high-quality IT support and services. Key Requirements: Minimum of 3 years experience in a similar System Administrator role. Demonstrated expertise in Microsoft 365 and Azure administration. Hands-on experience with Intune, Azure Virtual Desktop, and FSLogix. Proficient in PowerShell for scripting and automation. Experience with remote monitoring and management tools. Strong understanding of Microsoft security technologies and best practices. Relevant certifications (e.g., MS-102, AZ-104, MD-102) are a plus but not essential. Skills: System administration Windows System Administration Azure Virtual Desktop FSLogix Powershell Benefits: Work From Home

Job Description: Our client is looking for a skilled, proactive, and adaptable IT System Administrator to take ownership of their IT infrastructure, ensuring its stability, security, and efficiency across a wide range of devices and applications. This pivotal role involves overseeing day-to-day IT operations, implementing and managing endpoint security, and delivering responsive support through modern automation tools and effective collaboration with internal teams. The ideal candidate will be responsible for system administration, network management, security compliance, and vendor coordinationplaying a key role in maintaining business continuity and strengthening the organizations digital resilience. Required: Proven IT system administration experience. Strong knowledge of: Microsoft 365, Intune, Autopilot Microsoft Defender and Azure Active Directory Power Automate and IT workflow automation Preferred experience with: NetSuite system administration Atera or similar RMM/ticketing platforms Exceptional troubleshooting skills in hardware, software, and cloud environments. Strong documentation habits and a proactive support mindset. Ability to work independently and collaborate across functional teams. Qualifications: Experience in ISO 27001 implementation, audit, or compliance environments. Microsoft certifications such as MS-102 (Microsoft 365 Administrator) or AZ-104 (Azure Administrator). Familiarity with scripting or automation beyond Power Automate (e.g., PowerShell). Roles & Responsibilities: Device and Infrastructure Management - Provide end-to-end IT support for all end-user devices running Windows, macOS, Android, and iOS. Deploy and manage devices via Microsoft Intune, Autopilot, and Microsoft 365 platforms. Implement and oversee Microsoft Defender for endpoint protection, compliance, and threat response. Maintain and track IT hardware inventory, cloud PCs, mobile devices, and warranty statuses. Network & Infrastructure Management - Design, implement, and manage secure and high-performance LAN/WAN infrastructure. Configure and administer switches, routers, firewalls, and wireless access points. Set up and maintain VLANs, subnetting, and network segmentation policies to support secure multi-department environments. Monitor network performance, troubleshoot connectivity issues, and ensure high availability. Maintain and document firewall rules, Wi-Fi configurations, and network access control policies. System & Cloud Application Administration - Administer NetSuite, including user access provisioning, role configuration, and system integrations (e.g., CloudExtend). Manage Microsoft 365 environments, including Teams, SharePoint, and Exchange. Oversee Azure AD group management, license assignment, and Microsoft Graph API permissions. Automation, Monitoring & Support Operations - Leverage Power Automate to streamline workflows and reduce manual tasks. Use Atera to manage devices, monitor performance, and handle ticketing efficiently. Improve IT service delivery through ticket tracking, response analysis, and reporting. Troubleshoot across software, hardware, cloud services, and network environments. Security & Compliance - Maintain security standards in accordance with ISO/IEC Conduct routine patch management using Intune and Atera. Contribute to ISO audit preparation, corrective actions, and internal control enhancements. Support IT policy development and alignment with contractual, legal, and regulatory obligations. IT Governance - Maintain clear, up-to-date IT documentation including security policies, remote access standards, disaster recovery plans, and acceptable use guidelines. Liaise with external vendors to ensure timely resolution of escalated issues. Skills: IT System Administrator Microsoft 365 Azure Active Directory compliance environments

We have an opportunity for a System Administrator to join a large and growing consultancy. The ideal candidate will be comfortable working in a client facing capacity and happy to work in a skilled, proactive, and versatile IT System Administrator to lead the management, support, and optimization of end client IT infrastructure across a diverse device and application landscapes. Candidates should ideally have exposure to IT Governance, Security, Network and Infrastructure management, both Cloud and on-Prem, in addition to the core System Administration skills. The successful candidate will have strong knowledge across Windows, Microsoft 365, Intune, Autopilot, Defender, Azure AD, Power Automate, NetSuite and LAN/WAN management. Were looking to speak to candidates comfortable working on their own or as part of teams depending on the client site in question. Exposure to managing and implementing environments under/ to ISO27001 standards would be a distinct plus. Microsoft certifications would also be very advantageous Attitude is also a key selection criteria for our customer, they are looking for people with a client centric focus, who can represent them and how they approach business in a client facing capacity. Strong communication and documentation skills are also required. Our clients are looking for someone available to start by Monday the 21st of July so sponsorship is not going to be possible on this role. For a conversation in confidence please contact Turlach by email in the first instance. Skills: Microsoft 365 Windows System Administration Intune Power Automate NetSuite LAN/WAN Azure AD Benefits: Comprehensive benefits package

Responsibilities In this role your purpose is to deliver excellent customer service in system administration and to proactively develop and maintain I.T. services to support business objectives. You will have daily interactions with your System Admin team colleagues, as well as with vendors, consultants and sister companies. Equally, you will support and be supported by the I.T. team leaders across the IT function both locally and across the Liebherr Maritime Crane division companies in Austria, Germany and the UK. The employee reports to the I.T. Manager. Responsibilities shall include, but are not limited to the following: System management of Windows servers (Domain/Application/File servers etc.) Patch & Vulnerability Management (e.g. MECM, WSUS, Microsoft 365 Defender) Management of AD, DHCP, DNS, Group Policy Management of software deployment to clients (MECM) Support escalation point (from helpdesk) System Documentation System and Security reviews File services (DFS, NTFS etc) Execution of backups and disaster recovery (Veeam) Management of cloud services (Azure, M365 etc) Management of legacy applications when needed Administration of nominated business applications when needed Qualifications, Requirements and Experience An IT or equivalent qualification with business experience Experience in Windows system administration Experience or knowledge of IT security in a framework such as ISO 27001 Basic powershell scripting Experience with backup systems, ideally with Veeam Backup & Replication Advantageous Experience: VMware administration System management of cloud-based services (Azure) Linux administration Datacentre/Server/Network hardware management Language skills in German (or another European language) Deeper knowledge/experience or team management in any of the above Benefits We offer a competitive salary, pension scheme, training and development opportunities, subsidised canteen, retailer discounts, travel opportunities, sports and social club, cycle to work scheme and if that isn't enough, we have an early finish on a Friday! **We do not require the assistance of recruitment agencies for this role. #LCC To be considered for this role you will be redirected to and must complete the application process on our careers page. To start the process click the Continue to Application or Login/Register to apply button below.

**Windows Server Administrator - Letterkenny**
Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start **Caring. Connecting. Growing together.**
**About the Role:**
As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams. Optum, the fast-growing part of UnitedHealth Group, is a leading information and technology-enabled health services business. Our teams are dedicated to modernising the health care system and improving the lives of people and communities.
Serving virtually every dimension of the health system, we work with a diverse set of clients across 150 countries - from those who diagnose and treat patients to those who pay for care, deliver health services, and those who supply the cures. Optum maintains operations across North America, South America, Europe, Asia Pacific and the Middle East. Our innovative partnerships provide technology and tools that enable unprecedented collaboration and efficiency. As a result, we can tap into valuable health care data to uncover insights and develop strategies for better care at lower costs.
As a Windows Server Administrator, you will install, configure, maintain and deploy applications in support of the organization's business needs. The Administrator is essential for ensuring client applications and infrastructure changes are communicated to the necessary teams across the enterprise. You'll have the opportunity to maintain production (PRD) and non-production (non-PRD) Hyperspace/Hyperdrive environments, in addition to other client and end-user facing applications for the Epic Electronic Health Records platform.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Letterkenny and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities of the Windows Server Administrator:**
· Successfully complete all required job training, including Epic EHR (Electronic Health Records) certifications, within first six months of employment and keep certifications up to date
· Install, configure, maintain and deploy the client and other delivery infrastructure components on Microsoft Windows based virtual servers
· Deploy and test Windows operating systems including virus updates, patches and performance tuning
· Maintain and support Epic production (PRD) and non-production (non-PRD) services like Hyperspace and Interconnect and the related services
· Help manage the Change Control processes for all client application environment build migrations and infrastructure upgrades
· Monitor system performance as part of daily operational requirements
· Assist in review system / application logs verify completion of scheduled jobs, including system backups
· Review incident tickets and notes and apply routine upgrades to client applications and back-end services
· Assist in integrating other applications using web services
· Implement system high availability strategies and mechanisms
· Develop disaster recovery procedures
· Troubleshoot and diagnoses application issues and implement solutions
· Ensure client's application and infrastructure changes are communicated to the necessary teams across the enterprise
· Define, create user accounts, profiles, roles and maintain required audit information
· Works closely with database, environment/infrastructure and internal/external enterprise security teams
· Provide on call support for production performance/availability or other critical issues
· Performs other duties as assigned
_You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in._
**Required Qualifications of the Windows Server Administrator:**
- Degree Qualified in relevant field (Data Science or STEM subject) or equivalent experience
- Experience working with Windows Administrator or Citrix
**Preferred Qualifications of the Windows Server Administrator:**
- Prior certifications on Microsoft Administrator (any) or CompTIA A- Experience working with Epic Systems
- Experience working in an entry Level role or at a helpdesk
- Experience working on Cloud Platforms (Azure or AWS)
All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy.
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved._
#RPO #BBMEMEA