HR Advisor at Mission US | London, England, GBR | Rezi

HR Advisor at Mission US

HR Advisor

Mission US · London, England, GBR

Today

HR Advisor

Mission US · London, England, GBR

5 hours ago
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About the Role

We are seeking a proactive and people-focused HR Advisor to join our growing People team. This role supports the delivery of high-quality HR services across the UK and Europe, acting as a trusted first point of contact for employees and managers. You will provide practical HR advice, support employee relations, and ensure smooth HR operations, while contributing to people initiatives that support business growth and compliance.

Responsibilities

  • Act as the first point of contact for employee and manager enquiries, managing the HR inbox and supporting the People function.
  • Manage every stage of the employee lifecycle, including supporting managers with recruitment, preparing contractual documentation, coordinating onboarding, probation, employee changes and offboarding.
  • Build trusted relationships with managers, providing practical guidance and coaching on day-to-day people matters.
  • Independently manage employee relations cases including probation, sickness absence, wellbeing, performance management, disciplinary and grievance processes.
  • Support the delivery of people initiatives and HR strategies that align with business objectives.
  • Maintain compliance with UK employment legislation, GDPR, HR best practice and internal policies.
  • Review and maintain HR policies, employee handbooks and compliance frameworks.
  • Work closely with payroll and benefits providers to ensure accurate employee data and timely payroll processing.
  • Administer employee benefits and incentive schemes, support annual benefit renewals, salary benchmarking and pay review processes.
  • Maintain accurate employee records within the HRIS, Rippling, ensuring data integrity and confidentiality.
  • Produce HR reports, monitor key people metrics and support reporting requirements.
  • Support initiatives that promote employee engagement, wellbeing, inclusion and a positive workplace culture.
  • Coordinate learning and development activities, maintain training records and support managers in identifying development opportunities.
  • Support HR projects that align with business objectives and improve employee experience.
  • Identify opportunities to streamline processes, reduce administrative inefficiencies and introduce automation.
  • Coordinate recruitment activities including interview scheduling, preparing offer documentation, conducting right-to-work checks, background screening and onboarding.

Requirements

  • At least 3+ years of proven HR generalist experience in a fast-paced environment.
  • Exposure to a range of people matters and employee relations cases.
  • Strong understanding of UK employment law and HR best practices.
  • Ability to independently manage competing priorities while maintaining accuracy, confidentiality, and composure under pressure.
  • Confident using platforms like Rippling (or similar), with a keen eye for data integrity and HR reporting.
  • Clear, empathetic communicator with a collaborative and service-oriented mindset.
  • Comfortable navigating different time zones, cultures, and regulatory frameworks with a proactive, solutions-first approach.
  • Proficient in Microsoft Office and other tools essential to modern HR operations.
  • Must live in the UK and be authorized to work in the UK without requirement of employment sponsorship/visa.

Skills

  • HR operations
  • Employee relations
  • UK employment legislation
  • HRIS (Rippling or similar)
  • HR reporting
  • Microsoft Office

Location

  • UK
  • Remote

Work Type

  • Remote
  • Full-time

Experience Level

  • Mid-level

Education Level

  • CIPD Level 3 (preferred or actively pursuing)

Benefits

  • Employee benefits and incentive schemes
  • Competitive benefits

About the Company

  • Mission Underwriters is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Equal Opportunity

  • Mission Underwriters is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.