Strength. Care. Growth

A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location.

Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability.

You will know we are the right place for you, if you are driven by:

• Opportunities to learn and build your career.
• Meaningful work in a stable and fast-paced company.
• Diversity of people, projects, and platforms.
• A supportive, fun, and inspiring place to work.

Job Purpose:

We are looking for a System Administrator - HR Systems to join our team and take ownership of the administration, maintenance, and continuous improvement of our HR platforms, with a primary focus on the HeRMeS.

In this role, you will work closely with HR teams, IT departments, business stakeholders, and external vendors to ensure our HR systems remain reliable, secure, and aligned with evolving business needs.

Role insights:

• Collaborate with internal customers to gather, analyze, and define requirements for new solutions and enhancements.
• Understand business processes, project goals, and user needs to deliver effective system solutions.
• Configure and enhance HR applications, including integrations with systems such as Active Directory, Workday, SAP, Identity Management (IDM) platforms, and other enterprise applications.
• Troubleshoot issues and ensure the stable operation of the HeRMeS portal.
• Install and manage platform updates, patches, and releases provided by the vendor.
• Create and maintain system objects, including reports, document templates, workflows, and custom attributes.
• Execute data imports and support data quality and management activities.
• Monitor system performance and proactively identify opportunities for optimization and improvement.
• Coordinate with external vendors and participate in system upgrades, enhancement projects, and change initiatives.
• Work within cross-functional teams and maintain effective communication with business and technical stakeholders.

What makes you unique:

• Experience working with HeRMeS or similar HR/self-service platforms.
• Good knowledge of SQL and PowerShell scripting.
• Understanding of XML, data structures, and data exchange concepts.
• Experience with system integrations, configuration, and customization.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work independently while also contributing effectively within a team environment.
• Excellent communication and stakeholder management skills.
• Good command of English, both written and spoken.

Nice to have:

• Experience with Identity & Access Management solutions such as Identity Management tool , or similar platforms.
• Familiarity with HR-related digital solutions, including HR chatbots and employee self-service technologies.
• Previous experience in IT support, business systems administration, or business analysis.
• Interest in digital transformation, process automation, and HR technology innovation.

Our gratitude for the job done will be eternal, but we’ll also offer you:

• Innovative technologies and platforms to work with; 
• Modern working environment for your comfort; 
• Friendly, ambitious, and motivated teammates to support each other; 
• Thousands of online and in-person learning opportunities to grow;  
• Challenging assignments and career development opportunities in multinational environment; 
• Attractive remuneration package; 
• Flexible working schedule and opportunity for home office; 
• Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc. 

If you have any questions,  please do not hesitate to contact Mariya Ivanova.