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HR Systems Integration Specialist (f/m/d) @ A1 Competence Delivery Center

София, BG💼 Full-time🗓 2026-09-28

Core

Lead Workday architecture and integration strategy for a large telecommunications organization, acting as the design authority across HCM modules and integrations.

Role type

Senior Workday Architect / Integration Lead

Builds

Scalable, compliant Workday solutions and integrations for HR, payroll, and ERP systems

Domain

Telecommunications / Human Capital Management (HCM)

Required skills

Workday architecture, Workday Studio, EIBs, Core Connectors, REST/SOAP APIs, XML, XSLT, GDPR compliance, SOX compliance, ERP integration, Payroll integration

Preferred skills

Workday certifications (Integrations, Security, Studio), Middleware platforms (e.g., TIBCO)

Technologies

Workday, Workday Studio, EIBs, Core Connectors, REST, SOAP, XML, XSLT, TIBCO

Responsibilities

Define and govern Workday architecture standards across HCM, Compensation, Absence, Recruiting, and Talent modules; Design and oversee Workday solutions and integrations; Partner with HR, IT, and Security to translate business requirements into optimal designs; Ensure compliance with GDPR, SOX, and data privacy standards; Provide technical leadership for integrations with payroll, ERP, and identity systems; Lead release impact assessments and remediation strategies.

Seniority

Senior, hands-on IC

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