Lead Systems Administrator

OpenText; Cork; On-site; EUR 90,000 - 120,000; Full time

Job summary

OpenText in Ireland is seeking a Lead Systems Administrator for the Directory Services team to support and enhance enterprise AD, DNS, identity management, and cloud infrastructure. You will drive reliability, security, and scalability while collaborating across global teams.

The role emphasizes automation and modernization, with experience in PowerShell, Terraform, and Ansible, and a mix of Windows and Linux environments. OpenText values innovation and collaboration.

Qualifications

• 5+ years in a technology-driven enterprise environment supporting Windows Server, AD, and related infrastructure services.
• Hands-on experience administering directory services, enterprise DNS environments, identity management platforms, and cloud infrastructure solutions.
• Strong automation and scripting capabilities, including PowerShell, Terraform, and Ansible.

Responsibilities

• Deliver, support, and maintain enterprise-scale Active Directory, DNS, identity management, and cloud infrastructure services.
• Leverage automation technologies such as PowerShell, Terraform, and Ansible to streamline operations and improve service efficiency.
• Partner with global teams on infrastructure upgrades, domain migrations, cloud integrations, and operational improvement initiatives.

Skills

Active Directory

Windows Server

DNS

Identity management

PowerShell

Terraform

Ansible

Cloud infrastructure

VMware

Public cloud (AWS/Azure/Google Cloud)

Linux administration

OKTA

Infoblox

Zabbix

Tools

Infoblox

Zabbix

OKTA

VMware

AWS

Azure

Google Cloud

Job description

Opentext - The Information Company

OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture. As a member of our team, you will have the opportunity to partner with the most highly regarded companies in the world, tackle complex issues, and contribute to projects that shape the future of digital transformation.

AI-First. Future-Driven. Human-Centered.

At OpenText, AI is at the heart of everything we do—powering innovation, transforming work, and empowering digital knowledge workers. We're hiring talent that AI can't replace to help us shape the future of information management. Join us.

Your Impact

As a Lead Systems Administrator within OpenText's Directory Services team, you will play a critical role in supporting and enhancing the enterprise directory and identity platforms that power services across the organization. You will contribute to the delivery, maintenance, and optimization of Active Directory, DNS, identity management, and cloud infrastructure solutions, helping ensure reliability, security, and scalability. Working as part of a collaborative team, you will apply your technical expertise to solve complex infrastructure challenges, support modernization initiatives, and drive operational excellence through automation and best practices.

What the Role Offers

• Deliver, support, and maintain enterprise-scale Active Directory, DNS, identity management, and cloud infrastructure services.
• Leverage automation technologies such as PowerShell, Terraform, and Ansible to streamline operations and improve service efficiency.
• Partner with global teams on infrastructure upgrades, domain migrations, cloud integrations, and operational improvement initiatives.
• Support a broad technology landscape including Windows Server, Linux, VMware, AWS, Google Cloud, Azure, OKTA, Infoblox, and Zabbix.
• Contribute to infrastructure standards, system documentation, monitoring, patch management, and security best practices.
• Develop your technical expertise while working alongside senior engineers on complex enterprise infrastructure challenges.

What You Need to Succeed

• 5+ years of experience in a technology-driven enterprise environment supporting Windows Server, Active Directory, and related infrastructure services.
• Hands-on experience administering directory services, enterprise DNS environments, identity management platforms, and cloud infrastructure solutions.
• Strong automation and scripting capabilities, including experience with PowerShell, Terraform, and Ansible.
• Good understanding of virtualization technologies, public cloud platforms (AWS, Azure, or Google Cloud), networking concepts, and infrastructure operations.
• Proven ability to manage multiple priorities, communicate technical concepts effectively, and collaborate across teams.
• Experience with Linux administration, Group Policy management, monitoring tools, patch management processes, technical documentation, and participation in on-call support rotations.

One Last Thing

OpenText is more than just a corporation; it's a global community where trust is foundational, the bar is raised, and outcomes are owned.

OpenText's efforts to build an inclusive work environment go beyond simply complying with applicable laws. Our Employment Equity and Diversity Policy provides direction on maintaining a working environment that is inclusive of everyone, regardless of culture, national origin, race, color, gender, gender identification, sexual orientation, family status, age, veteran status, disability, religion, or other basis protected by applicable laws.

If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please contact us at [e-mail]. Our proactive approach fosters collaboration, innovation, and personal growth, enriching OpenText's vibrant workplace.