HR Generalist in London

Company Overview: Comcast Advertising is driving the TV advertising industry forward, from delivering ads to linear and digital audiences to pioneering the tech that makes it possible. We help brands connect with their audiences on every screen using advanced data, technology, and premium video content. Our media sales division helps local, regional, and national brands reach potential customers through multiscreen TV advertising. Our ad tech division FreeWheel provides comprehensive adtech that makes it easier to buy and sell premium video advertising across all screens, data types, and sales channels.

Job Summary: Based in Central London and reporting to the Senior HR Country Manager, the HR Generalist is responsible for delivering comprehensive HR support across country operations, ensuring compliance with local legislation and company policies. This role collaborates closely with managers, employees, and Centers of Excellence (COEs) to provide HR services throughout the employee lifecycle, including onboarding and offboarding, employee relations, performance management, handling employee queries, and managing HR administration.

Core Responsibilities:

• Act as the point of contact for a workforce of approximately 200 employees.
• Master knowledge about HR policies, benefits, company resources and answer day‐to‐day questions in a timely and thorough manner.
• Promote company's self‐service tools and resources.
• Champion Workday to increase tool utilization among managers and employees.
• Maintain accurate employee records and HR documentation, including personnel files and trackers for payroll, onboarding, offboarding, and immigration.
• Maintain HR analytics on key people metrics (e.g., attrition, talent mobility) utilizing Workday reporting and Excel.
• Administer HRIS systems and ensure data integrity.
• Support audits and compliance checks across multiple jurisdictions (UK, Dubai, Singapore, and Australia).
• Manage HR invoicing processes in partnership with Finance and other departments.
• Collaborate with payroll teams to ensure accurate processing of starters, leavers, and in‐life changes.
• Assist the Senior HR Country Manager in HR process mapping and process improvement activities.
• Prepare employment documentation.
• Oversee end‐to‐end onboarding and offboarding processes, including contract approvals, Right‐to‐Work checks, Welcome Day facilitation, probation monitoring, onboarding survey analysis, and exit interviews.
• Drive completion of probationary reviews by People Leaders to ensure timely feedback and decisions.
• Prepare employment‐related letters (e.g., visa requests, verification, references).
• Assist the Senior HR Country Manager with employee relations cases, including family leave, disciplinary actions, grievances, investigations and performance management.
• Provide guidance to employees on country‐specific policies and procedures.
• Proactively maintain HR communication channels and update FAQs documentation.
• Organize employee training sessions and engagement initiatives.
• Contribute to country‐level HR projects and global HR initiatives aiming to enhance employee experience.
• Partner with functional HR teams, Talent Acquisition, and other COEs to streamline processes and ensure alignment.
• Perform additional duties and responsibilities as assigned.

Requirements:

• Bachelor's degree in Human Resources, Business Administration, or a related field and/or CIPD qualification.
• Minimum of 3 years' experience in HR, preferably in a generalist capacity.
• Proven experience working in global, matrixed organizations.
• Strong understanding of local legislation and HR best practices.
• High level of confidentiality and integrity in handling sensitive information.
• Excellent organizational skills with the ability to manage multiple priorities in a fast‐paced environment.
• Advanced proficiency in Microsoft Excel, Word, and PowerPoint; experience with SharePoint, Microsoft Teams, Slack, and Workday is desirable.
• Exceptional collaboration and communication skills, with the ability to build strong relationships across all levels of the organization.
• Demonstrated ability to provide high‐touch, customer‐focused HR support, acting with a "customer‐first" mindset.
• Skilled in proactive investigation and problem‐solving.
• Detail‐oriented with a strong drive for results and continuous improvement.
• Focused on enhancing processes and employee experience.
• Ability to work independently while maintaining alignment with broader HR and business objectives.

Employee Expectations:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Own the customer experience – think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff – be enthusiastic learners, users and advocates of our game‐changing technology, products and services, especially our digital tools and experiences.
• Win as a team – make big things happen by working together and being open to new ideas.
• Be an active part of the Net Promoter System – a way of working that brings more employee and customer feedback into the company – by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Support a culture of inclusion in how you work and lead.
• Do what's right for each other, our customers, investors and our communities.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non‐sales positions are eligible for a Bonus. Additionally, Comcast provides best‐in‐class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always‐on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.

Please visit the compensation and benefits summary on our careers site for more details.

Certifications: CIPD

Education: Bachelor's Degree. While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Relevant Work Experience: 2-5 Years