Senior Azure & Windows Administrator

Tata Consultancy Services; Letterkenny; Hybrid; EUR 60,000 - 80,000; Full time

Job summary

A leading global tech firm in Letterkenny is seeking a highly skilled Senior Azure & Windows Administrator to manage and support cloud and on-premises infrastructure. The ideal candidate will have extensive experience with Azure services, Windows Server environments, and Active Directory administration, emphasizing security and automation. This position offers a competitive salary and hybrid work options.

Benefits

Competitive salary

Health care

Life assurance

Access to extensive training resources

Qualifications

• Extensive experience in IT infrastructure with a focus on Azure, Windows Server, and Active Directory.
• Strong knowledge of Azure IaaS, PaaS, and SaaS offerings.
• Experience with hybrid cloud environments and Azure AD Connect.

Responsibilities

• Manage and monitor Azure resources including VMs and storage.
• Install, configure, and maintain Windows Server environments.
• Design and maintain Active Directory infrastructure.

Skills

Azure Administration

Windows Server Administration

Active Directory Administration

PowerShell scripting

Problem-solving

Communication skills

Education

Microsoft Certified: Azure Administrator Associate

Microsoft Certified: Windows Server Hybrid Administrator Associate

Microsoft Certified: Identity and Access Administrator Associate

Job description

Overview

Careers at TCS: It means more

Join a global tech leader right here in Donegal. TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve. With over 850 employees and a state-of-the-art global delivery centre, we’re proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.

Job Type: Permanent

Location: Letterkenny (Hybrid - 3 days per week onsite)

The Role

We are seeking a highly skilled and experienced Senior Azure & Windows Administrator to manage and support our cloud and on-premises infrastructure. The ideal candidate will have deep expertise in Azure services, Windows Server environments, and Active Directory administration, with a strong focus on security, automation, and performance optimization.

Key responsibilities

• Azure Administration:
  • Manage and monitor Azure resources including VMs, storage accounts, networking, and security groups.
  • Implement and maintain Azure policies, RBAC, and cost management strategies.
  • Configure and manage Azure AD, including identity protection, conditional access, and hybrid identity.
  • Automate tasks using PowerShell, Azure CLI, and ARM templates.
• Windows Server Administration:
  • Install, configure, and maintain Windows Server environments (2012/2016/2019/2022).
  • Perform patch management, performance tuning, and troubleshooting.
  • Manage DNS, DHCP, and Group Policy Objects (GPOs).
• Active Directory Administration:
  • Design and maintain AD infrastructure including forests, domains, trusts, and replication.
  • Manage user accounts, OU structures, and group policies.
  • Implement AD security best practices and audit policies.
• Security & Compliance:
  • Ensure compliance with organizational and regulatory standards.
  • Implement security controls and monitor for vulnerabilities.
  • Collaborate with InfoSec teams for incident response and risk mitigation.
• Documentation & Collaboration:
  • Maintain detailed documentation of configurations, procedures, and policies.
  • Work closely with cross-functional teams including DevOps, Networking, and Support.

Your Profile

Essential skills/knowledge/experience:

• Extensive experience in IT infrastructure with a focus on Azure, Windows Server, and Active Directory.
• Strong knowledge of Azure IaaS, PaaS, and SaaS offerings.
• Proficiency in PowerShell scripting and automation.
• Experience with hybrid cloud environments and Azure AD Connect.
• Familiarity with backup solutions, monitoring tools, and disaster recovery planning.
• Excellent problem-solving and communication skills.

Desirable certifications/knowledge/experience:

• Microsoft Certified: Azure Administrator Associate
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Microsoft Certified: Identity and Access Administrator Associate

Rewards & Benefits

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network.

We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland.

Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 (as amended) and the Equal Status Acts 2000-2012 (as amended).

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at [e-mail] if you would like to opt in.

Adjustments during application

If you are an applicant who needs any adjustments to the application process or interview, please contact us at [e-mail] with the subject line: “Adjustment Request” or email [e-mail] to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Beware of Fraudulent offers

This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to [e-mail] to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.