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ClientEarth • Warsaw

Payroll and HR Administration Officer (Parental leave cover)

Employment type:  Contract
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Job Description

We are looking for a skilled Payroll and HR administration colleague with generalist HR social legislation knowledge to be responsible for administrative HR tasks, assisting with payroll, keeping our HR administration up to date and advising staff on policies and procedures.
ClientEarth’s Global People & Culture Department supports our c.330 employees, enabling them to deliver our mission – using the power of the law to bring about systemic change that protects the Earth for – and with – its inhabitants.

Main duties

  • Payroll and HR Administration :

- Maintain employee records according to legal requirements
- Recording employee-related data in our HR Information System (Personio)
- Coordinate the provision of accurate and timely monthly payroll information, changes to conditions of employment, ensuring related documents are issued and information is recorded and processed in a timely and accurate manner.

  • Employee Onboarding:

- Prepare contracts of employment and addendums, complete HR on-boarding, including carrying out HR inductions with new joiners and compilation of labour documentation.

Role requirements

  • Fluent (CEFR Level C1) in English
  • Good knowledge of Polish employment laws and regulations
  • HR Administration experience, consisting of Running monthly payroll, preparing employee contracts and variations

See the job description (below) for a full list of requirements for this role.

Interviews are starting from Monday the 13th of July

Note to candidates: We know that long lists of criteria can be daunting and that some candidates will not apply for a role unless they feel they are 100% qualified. If you feel you meet at least some of the essential criteria, we still encourage you to apply.

Further Information

Have a question about this job? Please visit our Careers site for advice on applying, FAQs, and more.

Flexible working: We are proud to be a Flexa accredited Employer. Visit our Flexa Employer page for more information on our approach to flexible working. Our flexible working policy allows our people the choice to decide to work from home/another location in the country where their contract of employment is issued for 80% of their month, with the other 20% of their month being office-based See our Benefits page for more as well as our flexible working FAQ.

ClientEarth values diversity and inclusion and the benefits this brings. We aim to appoint the most suitable candidate at all times and welcome applications from people from all different backgrounds. See our equity, diversity and inclusion journey page for more.

Please note that ClientEarth is only able to employ those who have the pre-existing legal right to work in the countries listed at the top of this job advert.

ClientEarth is not a law firm and does not provide legal advice or legal services to third parties.

Apply now

Company benefits

20-26 days annual leave + bank holidays
Work from anywhere scheme – see website for more details
Company shutdown periods – winter shutdown
Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Teambuilding days
Compassionate leave
Cycle to work scheme
Buy or sell annual leave – up to 5 additional days
Enhanced maternity leave
Enhanced paternity leave
On-site massages
On-site yoga classes
Faith rooms
Salary sacrifice
Annual pay rises
L&D budget
Work from home budget
Enhanced pension match/contribution
Dog friendly office

Working at ClientEarth

Company employees:

300

Gender diversity (m:f):

30:70

Hiring in countries

Germany

Japan

United Kingdom

United States

Office Locations

Awards & Accreditations

Most Mission Driven Company

Top 10 - Most Mission Driven Company

Flexa awards 2026
Most Mission Driven Company

Top 5 - Most Mission Driven Company

Flexa awards 2025
Charity & Tech For Good

Charity & Tech For Good

Industry awards 2023

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