We are looking for a ​HR Assistant​ on behalf of and in support of ATG Europe for our location in ​Barcelona, Spain​. The HR Assistant provides accurate and timely administrative support for HR activities in Spain, with a strong focus on payroll administration. The role supports the monthly Spanish payroll process by preparing, checking and maintaining payroll input and employee data, following up with relevant stakeholders, and helping ensure that payroll information is complete and correct. The HR Assistant also supports onboarding, employee administration, leave and absence administration, training, benefits, occupational health and safety, and other day-to-day HR processes. Hands-on payroll administration experience is mandatory. The role requires a highly accurate and organised person with very good written and spoken English, good communication skills, and a service-oriented approach. 

Please note, the successful candidate will be employed by ATG Europe (or one of its subsidiaries). Furthermore, upon selection, they will be subject to a general security screening performed by an external provider (further information will be provided at interview stage). 

The successful candidate will be tasked with, but not limited to: 

• Support the monthly Spanish payroll process, including the preparation, collection and verification of payroll input and supporting documentation; 

• Check payroll-related data carefully for accuracy and completeness, identify discrepancies and follow up on corrections before payroll deadlines; 

• Maintain accurate employee and payroll records and support communication with the payroll provider and internal stakeholders; 

• Administer starters, leavers, employment changes, probation periods, transfers and other employee lifecycle processes; 

• Prepare and maintain employment contracts, addenda, HR letters, personnel files and HR system data in line with internal procedures; 

• Administer annual leave, sickness absence, maternity, parental and other special leave, including accurate registration and follow-up; 

• Support employee benefits and insurance administration and respond to routine employee queries; 

• Support training administration, including requests, approvals, registrations, records, certificates and internal training activities; 

• Support occupational health and safety administration in Spain, including medical check-ups, mandatory training, coordination with external providers and maintenance of required records; 

• Support the administration and follow-up of the Spanish Equality Plan and related documentation; 

• Assist with work permit and immigration administration and maintain the related documentation; 

• Prepare HR data and reports and provide supporting documentation for audits and compliance activities; 

• Act as a first point of contact for routine employee HR queries and refer more complex or sensitive matters to the HR Officer or HR Director; 

• Support general office-related administration for the Barcelona location where required; 

• Handle employee and payroll information with accuracy, discretion and confidentiality; 

• Communicate clearly and professionally in English and Spanish, both written and spoken. 

ATG is dedicated to diversity and inclusion and is an equal opportunity employer. Regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, handicap, or any other reason protected by relevant state or municipal legislation, we are pleased to consider all eligible candidates for employment. 

At ATG Science & Engineering S.L., we are firmly committed to equal opportunities and respect for diversity. The Equality Plan and active policies promote to foster an inclusive environment, free from discrimination. Regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, handicap (+33% certificado de discapacidad), or any other reason protected by relevant state or municipal legislation, we are pleased to consider all eligible candidates for employment 

Please ensure that your CV clearly explains how you meet the mandatory requirements. If it doesn’t align completely with the essential criteria, it could result in rejection. 

• Bachelor’s degree in Human Resources, Labour Relations, Employment Law; 

• Approximately 5–7 years of relevant HR experience, including substantial experience in Spain; 

• Experience with payroll administration is strongly preferred. Candidates should have hands-on experience with payroll processing, payroll inputs, payroll controls, or payroll-related administration gained in an HR, payroll, finance, or accounting environment; 

• A high level of accuracy and attention to detail, particularly when working with payroll data, employee records and deadlines; 

• Good working knowledge of Microsoft Office and experience using HR and/or payroll software; 

• Strong organisational skills, discretion and the ability to manage confidential information; 

• Fluency in Spanish, both written and spoken; 

• Fluency in English, both written and spoken; 

• Candidates must be eligible to work in the EU. 

Please submit your application in English via the apply button below. Applications submitted in other languages will not be considered.