HR Generalist in Kidlington

1-2 days per week on site in our Oxford site (Kidlington) UK. Candidates must be based in and have the right to work in the UK. We are unable to offer UK visa sponsorship for this UK based role.

Overview

We are looking for an experienced and proactive People Operations Generalist to join our growing People team, reporting to the People Operations Director. This is a broad, hands-on people role with real ownership and impact. You will take responsibility for the operational delivery of the full employee lifecycle at Deciphex. You will deal with everything from onboarding and induction through employee relations, absence management and compliance, to offboarding and exit insights. You will ensure our people processes run smoothly, remain compliant across jurisdictions, and evolve as the organisation grows. You’ll proactively identify gaps, strengthen systems and documentation, and implement practical improvements that support both managers and employees.

Key Responsibilities

• Global Onboarding, Offboarding & Employment Changes: Responsible for the design, management and continuous enhancement of comprehensive onboarding & induction, offboarding and employment changes. Ensure all documentation, compliance and training requirements are completed for all employees. Manage the end-to-end leaver process, including exit interviews, documentation, system updates and handovers.
• Global HR Operations, Systems & Documentation: Responsible for the oversight and administration of all employment documentation, including contracts, amendments, comp plans, employment letters and benefits documentation. Maintain and optimise BambooHR (HRIS), ensuring data accuracy, reporting integrity and compliance.
• Employee Relations & Absence Management: Act as the primary People point of contact for day-to-day employee relations matters, managing performance concerns, grievances, and disciplinary processes in line with company policy. Provide clear, compliant and practical guidance to managers.
• Policy, Compliance & Health & Safety: Maintain and regularly review HR policies to ensure legal compliance and alignment with best practice. Own and manage Health & Safety across the organisation, including risk assessments, required training and documentation.
• Performance & Development Support: Support the delivery of the performance review cycle, ensuring timelines, documentation and follow-up actions are completed effectively. Track probation periods and flag risks early to enable proactive management.

Requirements

• Third-level qualification in HR, Business or a related discipline, or equivalent practical experience.
• 5+ years experience in a progressive UK HR / People Operations role with end-to-end UK employee lifecycle exposure.
• Strong working knowledge of UK employment law.
• HR experience across multiple jurisdictions is advantageous.
• Extensive experience working with HRIS systems with a strong fluency in HR technologies.
• Proven experience owning onboarding, offboarding and core HR processes.
• Confident handling employee relations matters independently.
• Strong organisational and documentation skills with high attention to detail.
• Proactive, solutions-focused and comfortable taking ownership of processes and driving improvements.

Benefits

• Competitive salary with performance based annual increments.
• Competitive annual leave.
• A true sense of meaning in your work by contributing to better patient outcomes.
• The opportunity to work alongside a world-class high performing team in a hyper-growth startup environment.
• Regular performance feedback and significant career growth opportunities.

About the Company

Through the work that we do, the team at Deciphex helps pharma to accelerate the process of essential drug development and helps patients to get timely and accurate diagnosis. Founded in Dublin in 2017, Deciphex has scaled rapidly to a team of over 230 people and counting who are providing software solutions to address the pathology gap in research pathology and clinical areas.