People Operations Advisor

About us

We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels.

Now Europe’s number 1 downloaded rail app, with over 125 million monthly visits and £5.9 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, eco-friendly and affordable as it should be.

Today, we’re a FTSE 250 company driven by our incredible team of over 1,000 Train liners from 50+ nationalities, based across London, Paris, Barcelona, Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey.

At Trainline, the People Team is central to supporting the company’s ambition and growth plans.

We are looking for a People Operations Advisor to join our UK People Operations team. Reporting into our UK People Operations Team Manager, you’ll work on all things HR and be responsible for supporting employees across the business and helping to make Trainline a great place to work. You’ll provide high quality support in relation to both core HR processes and ad-hoc projects and quickly become an integral part of the team and wider business.

If you’re successful in your application, you’ll be joining an enthused and high performing team, one which prides itself on providing stellar service at every stage of the employee life cycle, from on-boarding to off-boarding and everything in between.

• Provide high-quality first-line support to Train liners by monitoring the People mailbox, ensuring queries relating to HR processes and policies are resolved professionally and within agreed SLAs.

• Maintain accurate and high-integrity people data in our HRIS (HiBob), ensuring updates are completed promptly and using a data-first mindset to flag inconsistencies or risks.

• Offer clear, consistent guidance to Train liners and managers on People policies, practices, and processes, escalating more complex cases as needed.

• Support the preparation, validation, and processing of the monthly UK payroll
  , ensuring data accuracy, timely updates, and strong alignment between HiBob, payroll workflows, and Finance.

• Assist People Business Partners with cyclical People processes (Absence management, Performance, Salary Review, L&D, Engagement) by preparing data, generating reports, running checks, and helping communicate key actions or deadlines.

• Coordinate onboarding activities including pre-boarding support, completion of background checks and Right to Work documentation, and ensuring new starter data is accurate and complete across systems and workflows.

• Work closely with Accounts Payable to process People-related invoices and POs accurately, supporting efficient financial administration.

• Develop, maintain, and interpret weekly/monthly People reports
  , using tools such as HiBob, Excel/Sheets, or BI dashboards to identify data issues, trends, or insights that help the team drive better decision-making.

• Support the review, improvement, and implementation of People policies, processes, and templates
  , ensuring they are up to date, user-friendly, and aligned with a tech-first, self-service culture.

• Contribute to People team projects and continuous improvement initiatives
  , bringing a curiosity for technology and process optimisation—e.g., testing new HRIS features, documenting workflows, supporting change rollout, or helping improve the employee experience through digital solutions.

• Adopt a tech-forward approach in daily work by championing the use of HR systems, automation, and digital tools to enhance efficiency and accuracy across People Ops processes.

Based on the sensitive nature of the role, it’s important that you bring the appropriate degree of discretion and empathy in the way you operate. To this end, you’ll be responsible for…