Human Resources Assistant

The Company All potential applicants are encouraged to scroll through and read the complete job description before applying. Mirion Technologies For over 50 years, Mirion Technologies has provided products, services, and software that allow customers to safely leverage ionizing radiation for applications in the medical, nuclear, defence and scientific research markets. Our Detection and Measurement Division (DMD) operates globally, powered by local presence throughout Europe, Asia, and the USA. Mirion Medical (SNC) A part of the Mirion Medical Division, Sun Nuclear Corporation (SNC) is a global leader in radiation oncology quality assurance. Our solutions are used by over 5,000 cancer treatment facilities worldwide, supporting healthier lives through improved cancer care. The Role Ready to take the next step in your HR career? We are seeking a dynamic and organised HR Assistant to join our team. This role offers an opportunity to contribute to two dynamic, globally recognised businesses that prioritise innovation and making a positive impact. Responsibilities will be divided, with a 50/50 split between Mirion Technologies and Mirion Medical (SNC) ensuring balanced support and collaboration across both business groups. This position is ideal for a detail-oriented, proactive individual who thrives in a dual-focused role and enjoys wearing multiple hats in a fast -paced environment This position is office-based in Farnborough, Hampshire with flexibility for occasional hybrid working and reports to the Senior HR Business Partner. Key Responsibilities The HR Assistant responsibilities will include, but are not limited to: Employee Lifecycle Management Maintain accurate employee records for starters, leavers, and changes, ensuring timely updates in HRIS. Manage onboarding and offboarding processes, including contracts, offer letters, pre-employment checks, and exit paperwork. Conduct Employee Orientation and Induction session for all new starters. Coordinate with line managers to support new employee integration and leaver transitions. Ensure personnel files (physical and electronic) are up to date, secure, and accessible. HR Operations & Systems Maintain and update HR databases and spreadsheets, ensuring accuracy and compliance. Provide monthly HR reports, tracking key metrics and ensuring timely submissions. Support payroll administration by notifying changes, absence records, and benefits updates. Manage absenteeism process with support from Occupational Health. Projects & Compliance Assist with HR projects such as annual bonuses, merit increases, service awards, audits, employee engagement initiatives and any other ad-hoc projects. Provide administrative support for the organization and talent management process, including scheduling review meetings, tracking deadlines, and maintaining accurate records of completed reviews. Contribute to the implementation of performance improvement plans and follow-up actions as needed. Support the coordination of training and maintain training records. Ensure adherence to company policies and procedures while promoting a culture aligned with company values (Integrity, Commitment, Accountability, Respect, Exploration). Employee Relations Administration: Provide administrative support for employee relations matters, including maintaining accurate records of investigations, disciplinary actions, and grievance procedures. The Person The key skills and qualities of the HR Assistant are: A proactive and flexible approach to tasks and challenges. Strong interpersonal skills to work collaboratively across all levels of the organisation. Ability to work efficiently under pressure and meet tight deadlines. Demonstrated ability to prioritise tasks effectively, ensuring timely completion of high-priority assignments while managing multiple responsibilities concurrently. High attention to detail and strong organisational skills. Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams) and adaptability to new systems. Ability to handle confidential information with discretion. Effective multi-tasking and problem-solving skills with a solution-focused mindset. Understanding and appreciation of cultural diversity in a multinational setting. Qualifications and Experience Part or fully CIPD qualified (Level 3 or higher) or working towards a qualification. Experience in HR administration within a fast-paced, change-oriented environment. Fluent in English; excellent written and verbal communication skills. Offer Our employees make the difference. And that\’s why we offer you as a HR Assistant: Salary of up to £30K plus competitive benefits package. Ongoing career growth and professional development opportunities. A collaborative and supportive work environment.