LOCATION: Bracknell, Head Office - Hybrid remote (60% in office) TYPE : Permanent, Full-time 37.5 hours a week As Senior HR Advisor you will have a hands-on role supporting the Head of HR with employee relations while managing day-to-day HR operations for a global workforce. You will combine practical HR advice with strong administrative ownership of HR systems, employee records, and operational processes. Key Responsibilities Support the Head of HR with employee relations cases, including investigations, documentation, hearings, and follow-up actions Manage straightforward ER cases independently and escalate complex matters as needed Handle day-to-day HR operations, acting as a first point of contact for employee and manager queries Maintain accurate employee records, contracts, and personnel files across the global team Own daily HRIS administration, ensuring data accuracy, reporting, and timely updates Process onboarding, offboarding, contract changes, promotions, salary updates, and employee transfers Coordinate HR activities with payroll, finance, and Employer of Record (EOR) providers Support performance review cycles, HR reporting, and compliance checks Provide administrative support for HR projects, audits, and process improvements Skills & Experience Proven experience in a hands-on HR Advisor or Senior HR Advisor role Strong knowledge of UK employment law; experience with global teams is an advantage Experience supporting employee relations cases Strong HR administration and HRIS experience (any previous experience with HiBob would be beneficial) Experience working with Employer of Record (EOR) arrangements preferred Highly organised with strong attention to detail We offer: Hybrid working (60% office based) 25 days annual leave (plus public holidays) Contributory pension at 4% Healthcare cash plan Health and wellbeing programme Employee retailer discounts Life assurance ABOUT US: A&O IT Group is an award-winning, fast-growth, global IT services and cyber security consultancy operating in over 130 countries. A&O IT Group is proud to sit within the Stock Exchange's Top 1000 most inspirational companies in the UK. OUR VALUES: Our team prides itself on our core values and commitment to doing the basics brilliantly. If you too strive to engage & delight, we would love to hear from you. We are an equal opportunities employer and encourage diversity and seek to attract individuals with unique backgrounds and perspectives. It is important to us that we build a team with a diverse mix of people and skills, where everyone feels welcome and able to succeed. We are committed to equal employment opportunity regardless of race, colour, religion, sex, sexual orientation, age, marital status, disability or gender identity.