HR Administrator

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Location: London, UK OR Waterford, Ireland (Hybrid) | Type: Permanent | Start: ASAP | Hours: Full-time | Salary: Commensurate with experience

Are you an organised, detail-focused HR professional with a passion for people and purpose? We’re looking for an HR Administrator to join our people-first HR team. You'll play a vital role in supporting the full employee lifecycle and ensuring we continue to offer a first-class HR experience across our growing business.

As this role is intended to be hybrid in nature, the successful candidate must be located in commuting distance of either our Central London office in the UK or our Waterford Office in Ireland.

Who We Are

We’re a mission-led company, driven to build Responsible AI (RAI) products and deliver services that empower organisations to develop and deploy AI responsibly. At Trilateral Research, our solutions tackle the most complex, sensitive social issues facing our societies today, including child safeguarding, public health improvement and climate action.

What You Will Do

Your main responsibilities will include but not limited to:

HR Administration

Maintain accurate and confidential employee records (using Employment Hero and Dropbox mainly)
Prepare employment contracts, letters, and documentation aligned with legislation and company standards
Support smooth onboarding/offboarding, including IT coordination, system access, and documentation
Respond professionally to HR queries from managers and staff
Track and maintain HR policies, templates, and SOPs
Assist with monthly HR data reports (headcount, absence, attrition)

Payroll & Compliance Support

Notify payroll of changes (absence, hours)
Help with audits, right-to-work checks, GDPR compliance, and reporting
Generate reliable, accurate reports for HR and Finance

HR Projects

Contribute to ongoing HR improvement projects
Test and support new tools and processes to help our HR function evolve

What You Bring

Essential:

Previous experience in an HR admin/coordinator role or similar (minimum 1 year)
Proficiency in Microsoft Office Suite (especially Excel & Word)
Meticulous attention to detail and high standards for data accuracy
Excellent written and verbal communication skills
Ability to manage multiple tasks and deadlines independently and as part of a team
Confidentiality and discretion when handling sensitive data
Curiosity about how tech can transform HR for the better and adaptability using new tech

Desirable:

Level 3 qualification in HR, Business, Administration or interest in pursuing related qualifications
Experience with HRIS & ATS systems (e.g. Employment Hero, Recruitee are our platforms)
Knowledge of UK and/or Irish employment law
Basic payroll knowledge
Project coordination/management experience

What We Offer

Competitive salary & enhanced pension (based on service)
Enhanced holiday entitlement increasing with tenure
Company sick pay & family-friendly leave
Flexible & hybrid working
Continuous career development

How To Apply

Application requirements: Please submit your CV and complete all application questions listed, to have your application considered. References will be required prior to appointment and candidates must be eligible to work in the country the role requires.

Application deadline: Friday the 29th of August 2025 at 1pm (UK/IE)

Timelines: Our hiring team will be continuously reviewing and progressing applications as they are submitted. We receive a high volume of applications, and we will only be able to progress applicants that meet all the essential requirements listed in this description.

Key Information

We are an equal opportunities employer and positively encourage applications from suitably qualified and eligible candidates, regardless of their age, sex, race, disability, sexual orientation, gender reassignment, religion or belief, marital/civil partnership status, or pregnancy and maternity.

At Trilateral Research, we value privacy and data protection rights. We have a longstanding data protection culture and promote robust ethical standards in data management and research ethics. Please read ourRecruitment Privacy Noticein relation to our recruitment activities before submitting your application to work with us.

Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time