HR Assistant in London

The Value of Active Minds About Jupiter

Jupiter is one of the UK’s leading investment management companies with just under 500 employees and £54 billion worth of assets under management (as at 31st December 2025). Jupiter provides investment services to individual and institutional investors through mutual funds (UK unit trusts, Luxembourg SICAVs and Dublin OEICs), separately managed accounts and sub-advised funds. Jupiter has experienced a period of international growth with offices open in EMEA and APAC. The majority of our employees are based in our London office located just minutes from Victoria station which provides stair-free access from both the Underground’s Victoria line and National Rail platforms, as well as limited road crossings to the Jupiter office. Our London office was designed to encourage employees to live active, healthy lives with floor-to-ceiling windows that allow for greater natural light and the benefit of a private balcony, table tennis room, cycle storage and on-site shower and locker facilities. The short distance to Green Park and St James' Park also provides employees with a natural space to relax during their lunch break and a healthy alternative to office-based meetings. We offer our UK employees a 3:2 hybrid working arrangement where Tuesdays, Thursdays and a third day of your choice are worked from the office. The other two days may be worked from home. This facilitates collaboration and allows employees to maximise productivity whilst maintaining a healthy work/life balance.

Background

This role sits within the HR Strategy & Operations team, reporting into the HR Operations Manager, working alongside another HR Assistant. The Operations function provides essential operational and administrative support to employees and managers across the business. The role works closely with the HR Advisor in providing support across the wider team offering excellent exposure to all areas of the HR function with a focus on recruitment and L&D support. Working closely with the Operations team, Business Partners and specialist areas, the role provides proactive coordination and administrative support across all elements of HR Operations with a focus on recruitment, onboarding experience, and learning & development activities, ensuring a smooth and positive employee journey. It is well suited to someone with prior HR operations experience with an interest in developing further in the areas of recruitment and L&D.

Key Responsibilities

• Recruitment & Onboarding
  • Support recruitment campaigns, distribution of online assessments and employer branding initiatives when required.
  • Support recruiter with creation of job postings and updating candidate details and statuses in Workday.
  • Coordinate interview scheduling across multiple stakeholders via automated interview scheduling platform / co-ordination with Executive Assistants, including panel interviews and debrief meetings and associated room bookings.
  • Coordinate the new joiner process, including preparing contracts, managing onboarding trackers and actions (first day emails, requests to input employee data, issuance of new joiner packs), carrying out vetting for new employee, creating employee files and ensuring accurate data entry into the HR System (Workday).
  • Manage the efficient and timely onboarding of contingent workers into Workday.
  • Deliver new joiner inductions.
  • Monitor probation periods and ensure timely completion of reviews by managers, escalating any concerns to HR Advisor, as required.
• L&D
  • Provide first-line guidance to employees and managers on all L&D queries.
  • Support HR leadership in the sourcing of L&D suppliers, and scheduling of courses.
  • Manage professional qualification requests and processing of requests.
  • Support coordination of events such as Insights week, Network events etc.
  • Manage the processing of all L&D and recruitment related invoices.
• Data Management & Payroll Support
  • Accurately input and maintain employee data across HR systems, ensuring completeness for new starters, leavers and internal moves.
  • Work closely with colleagues to ensure all records are updated accurately ahead of payroll deadlines, undertaking payroll input with appropriate oversight.
  • Maintain high-quality employee records, filing documentation appropriately in SharePoint.
• Workday & Systems Support
  • Act as a point of contact for Workday queries, providing support to employees and the HR team.
  • Run routine reports and support ongoing data quality, recognising when to escalate more complex configuration or troubleshooting needs.
  • Identify opportunities to streamline repeatable processes and contribute to the development of templates and simple automation where appropriate.
• Additional Support
  • Provide cover for the other HR Assistant, primarily handling routine queries and escalating as needed.
  • Support SMCR processes where required, including record-keeping, tracking attestations and maintaining accurate role data.
  • Support the processing of invoices across the wider HR team.
  • Continuously look for opportunities for the HR team to become more agile, with a focus on streamlining operational processes to achieve efficiencies contributing to an exceptional candidate and employee experience.
  • Contribute to HR project work as required.

Desired Skills / Experience

• Some previous experience in an HR administration or operations role, ideally within a professional or regulated environment.
• Previous experience within recruitment and L&D would be advantageous.
• Strong organisational skills and proven ability to manage multiple activities while maintaining attention to detail.
• Ability to prioritise effectively and work to tight deadlines, ensuring tasks are not dropped.
• Confident in navigating HR systems; Workday experience is highly desirable.
• Excellent written and verbal communication skills, with a professional and diplomatic approach.
• Strong sense of ownership, with the judgement to know when to resolve issues independently and when to escalate.
• Proactive, solutions-focused mindset with an interest in refining processes and improving workflow.
• Collaborative team player with the ability to build effective working relationships across HR and the wider business.

The successful candidate will:

• Take initiative and work proactively without requiring close supervision.
• Demonstrate reliability, ensuring commitments are delivered and actions are not overlooked.
• Balance independence with sound judgement on when to seek support.
• Maintain a calm, professional approach, even when handling high volumes of operational activity.

Additional Role Details

This role is subject to the Conduct Rules set by the FCA. Don’t meet every requirement? At Jupiter we are dedicated to building a diverse and inclusive workplace, so if you are interested in this role, but don’t think your experience aligns perfectly with every listed requirement in the job description, we would encourage you to apply. You may be the right person for this role.