HR Assistant (12 month FTC)

About Jupiter

Jupiter is one of the UK’s leading investment management companies with just under 500 employees and £50.4 billion worth of assets under management (as at 30th September 2025). Jupiter provides investment services to individual and institutional investors through mutual funds, separately managed accounts and sub‑advised funds. With international growth and offices across EMEA and APAC, most employees are based in our London office near Victoria station. The space encourages active, healthy lifestyles with natural light, a private balcony, table‑tennis room, cycle storage and on‑site shower and locker facilities. Employees also enjoy nearby Green Park and St James’ Park for lunch breaks and outdoor activities. We offer a 3:2 hybrid working arrangement: Tuesdays, Thursdays and a third office day of your choice and the remaining two days remote. This structure supports collaboration while maximizing productivity and maintaining a healthy work/life balance.

Background

This role sits within the HR Operations team, reporting to the HR Operations Manager. It works alongside another HR Assistant and provides essential operational and administrative support to employees and managers across the business. The role interacts with the HR Advisor, Business Partners and specialist areas, playing a critical part in ensuring HR processes run accurately, efficiently and in line with Jupiter’s policies, procedures and regulatory obligations.

Key Responsibilities

• Employee Lifecycle & HR Operations
• Manage the central HR inbox, responding to day‑to‑day queries promptly and escalating complex matters appropriately.
• Provide first‑line guidance on HR policies and procedures (absence, benefits, contract queries, probation, terms of employment).
• Coordinate the new‑joiner process – preparing contracts, maintaining onboarding trackers, creating employee files and ensuring accurate data entry into Workday.
• Onboard contingent workers into Workday efficiently.
• Process contractual changes (salary, hours, job title) following internal procedures and approvals.
• Process leavers in accordance with procedure.
• Continuously identify opportunities to streamline operational processes, improving employee experience.
• Data Management & Payroll Support
• Accurately input and maintain employee data across HR systems, ensuring completeness for new starters, leavers and internal moves.
• Collaborate with colleagues to keep records updated ahead of payroll deadlines and support payroll input with appropriate oversight.
• Maintain high‑quality employee records, filing documentation appropriately in SharePoint.
• Workday & Systems Support
• Act as the point of contact for Workday queries, supporting employees and the HR team.
• Run routine reports and support ongoing data quality, recognizing 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.
• Compliance, Vetting & Regulatory Responsibilities
• Carry out vetting for new employees in line with policy, following up on discrepancies and maintaining accurate records.
• Monitor probation periods and ensure timely completion of reviews by managers, escalating any concerns to the HR Advisor as required.
• Support SMCR processes – record‑keeping, tracking attestations and maintaining accurate role data.
• Additional Support
• Manage and submit HR‑related invoices where required.
• Offer support across all specialist HR areas (SMCR, L&D, Recruitment and D&I), handling routine queries and escalating as needed.
• Contribute to HR project work and actively promote continuous improvement across policies, processes and employee experience.

Desired Skills / Experience

• Some previous experience in an HR administration or operations role, ideally within a professional or regulated environment.
• Strong organisational skills and proven ability to manage multiple activities while maintaining attention to detail.
• Ability to prioritise effectively and work to tight deadlines without dropping tasks.
• 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 seek escalation.
• 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.

Candidate Profile

• 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.