Human Resources Specialist (Entry / Early Career)

Company: Diagonal recruitment
Apply for the Human Resources Specialist (Entry / Early Career)
Location: London
Job Description:

Overview


Our client is a fast-growing digital media and technology business shaping the future of online advertising. They are in a period of high growth and are looking for an enthusiastic HR Administrator / HR Officer to join a small but influential People team. This is a brilliant opportunity for someone starting their HR career to gain hands-on experience across recruitment, onboarding, employee engagement, culture design and day-to-day HR operations in a vibrant London-based business (approx 200 people).



Key responsibilities



  • Manage the recruitment process: including initial interviews and issuing offer letters

  • Support smooth onboarding: references, first-day details, and new starter set-up

  • Keep accurate employee records and HR systems up to date

  • Draft letters for promotions, pay rises, bonuses, and probation outcomes

  • Help coordinate L&D events (from organising the event, invites to capturing feedback)

  • Support employee engagement initiatives and partnerships

  • Assist with office/IT admin for joiners and leavers



Qualifications



  • 1-2 years work experience in HR and people development

  • University or Professional / Vocational training in HR / People Development



About you



  • Great communicator – both written and verbally

  • Comfortable speaking with stakeholders at all levels

  • Highly organised (able to work simultaneously on various tasks / projects)

  • Strong attention to detail

  • Proactive with a can-do positive energy



What’s on offer



  • 30 days’ holiday plus your birthday off plus bank holidays

  • Pension, private medical cover, income protection and life assurance

  • Wellbeing support, coaching, and access to health and lifestyle perks

  • Hybrid working – a mix of office and home with 2-3 days working from Central London

  • A supportive, friendly and collaborative team where everyone’s contribution matters

  • Plenty of socials where you can make friends and join in



Seniority level



  • Entry level



Employment type



  • Full-time



Job function



  • Human Resources



Industries



  • Internet Marketplace Platforms, Advertising Services, and Staffing and Recruiting

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Posted: April 11th, 2026