Systems Administrator

Location: Dublin (4 days onsite per week required)

Type: Contract

Experience Required: Minimum 3-5 years (CVs with less Experience will not be considered)

We are seeking an experienced Windows Systems Administrator to support a large-scale, enterprise-wide File Share Security and Migration initiative. This role focuses on securing, maintaining, and migrating file systems across Windows Servers and NAS appliances. The successful candidate will work across both on-premises and cloud environments, including Azure File Services and OneDrive.

This is a hands-on, technical contract role ideal for someone with strong file share administration Experience and a solid understanding of security remediation within enterprise environments.

• Manage and maintain file systems on Windows Servers and NAS devices, including NTFS, CIFS, and hybrid share structures.
• Support and execute migration efforts to Azure File Services, Azure Sync, and OneDrive.
• Conduct open-share scanning and remediation to align with enterprise security standards.
• Run, maintain, and modify existing PowerShell scripts used to scan NAS environments for open or misconfigured shares.
• Review scanning results, track open shares, maintain documentation, and coordinate remediation with share owners.
• Participate in planning and delivery of large-scale file share migration projects.
• Maintain and support administrative tools such as TreeSize and Security Explorer.
• Operate effectively across hybrid environments using Azure Recovery Services Vault, Sync Services, and Azure Storage Accounts.

Candidates must have 3-5+ years of Experience in the following areas (applications with less Experience will not be considered):

• Windows Systems Administration in an enterprise environment.
• Strong understanding of NTFS permissions, file share structures, and security controls.
• Experience supporting file share security, migration, or remediation initiatives.
• Good working knowledge of Active Directory, including Global Groups and Domain Local Groups.
• Ability to interpret and manage permission models across heterogeneous storage platforms.

• Hands-on Experience with Azure File Shares, Azure Sync, and hybrid cloud/on-prem storage architectures.
• Familiarity with tools such as TreeSize and Security Explorer.
• Intermediate PowerShell skills (particularly for updating existing scripts).
• Experience contributing to enterprise migration planning and documentation.

• Strong communication and stakeholder management-especially when working with share owners on access remediation.
• Excellent problem-solving and attention to detail.
• Ability to work independently as well as collaboratively in a project-focused environment.

Job Title: Systems Administrator

Location: Dublin, Ireland

Job Type: Contract

Trading as TEKsystems. Allegis Group Limited. Level 1, The Chase, Carmanhall Road, Sandyford, Dublin 18, Ireland. No. 909257. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at our website.

To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go our website.

We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice on our website for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.