The firm Simpson Thacher & Bartlett LLP is one of the world’s leading international law firms. The Firm was established in 1884 and has more than 1,000 lawyers. Headquartered in New York with offices in Beijing, Brussels, Hong Kong, Houston, London, Los Angeles, Palo Alto, São Paulo, Tokyo and Washington, D.C., the Firm provides coordinated legal advice and transactional capability to clients around the globe. Description/Job Summary To assist the HR team by providing high quality, proactive and efficient HR support. Responsibilities/Duties Operational HR Undertaking all administration related to holiday requests, absence, sickness, maternity, paternity and shared parental leave, occupational health referrals, flexible working requests, probationary periods, the leaver process, etc; Ensuring that up-to-date personal details are kept on all personnel; and Ensuring terms and conditions of service are kept up to date and to produce paperwork associated with any changes. Health and wellbeing To provide administrative support on the health and wellbeing programmes for personnel including, occupational health checks, medicals, flu jabs, ergonomic assessments. Compensation and benefits Assisting with market analysis; Assisting with current compensation and benefits and ensure the timely initiation of benefits; Assisting with the annual salary review process for business services staff; and Assisting with the completion of all compensation documentation including (but not limited to) promotions and salary amendments and ensure any amendments are logged on SelectHR. Employee relations and engagement Assisting with conduct and capability, grievance and disciplinary issues and a broad range of employee relations matters involving all London employees; and Assisting with initiatives that increase engagement amongst all staff. Learning and development and career progression Supporting and assisting when required on learning and development programmes; and Admin for the L&D team. Equality, diversity and inclusion Assisting with training support of any equality, diversity and inclusion policies and procedures where necessary; Promoting equality, diversity and inclusion within the office; and Assisting with the organisation of diversity events. Legal personnel and professional development Assisting with the associate mentoring programme; Assisting with internal and external secondment opportunities; and Assisting with all administration in conjunction with Associate feedback, work-life balance and Associate retention. Recruitment Assisting the recruitment team as and when required. Required Skills Minimum 2 years generalist HR experience at assistant level within legal services; Knowledge of current employment legislation, best practice and potential developments; Knowledge of and interest in HR Systems; Highly effective writing and communications skills (both verbal and written) and the ability to communicate credibly and diplomatically at all levels; Excellent time management and organisation skills, Ability to simultaneously manage multiple highly detailed projects; Ability to manage a very busy workload within deadlines; Ability to solve problems on an immediate basis and work using initiative; Excellent attention to detail and follow-through skills; High comfort level with stressful job requirements; Professionalism under pressure; Having a strong understanding of discretion and confidentiality; Ability to demonstrate a flexible and hands-on attitude; Excellent IT skills including Microsoft Office Suite (Word, Excel and PowerPoint); Act as an ambassador for the HR team; Sound Judgement; and Available to work additional hours where necessary. Details Salary and Benefits: Competitive Equal Opportunities Simpson Thacher is committed to ensuring that everyone can reach their full potential, irrespective of background, identity, or circumstance. We know that we are at our best when we bring together diverse experiences and perspectives. This is why we are focused on fostering a collegial environment which maximises collaboration, empowering every individual to thrive and succeed.