Senior Client Executive in London

Job Description

Overview of the Department – O2 Brand Team

Agency

Omd

Job Function

Media

Job Subfunction

Media Planning and Buying

Job Description

Overview of the Department – O2 Brand Team

The O2 Brand team sits at the centre of one of the UK’s most dynamic and culturally relevant brands. We work primarily across all ATL communications, partnering closely with channel specialists to deliver integrated, insight-driven, strategic, awareness driving campaigns. The client team operates as the strategic and operational hub of the account: translating client ambition into clear briefs for specialist teams, shaping campaign responses & presenting to clients, and ensuring best-in-class delivery from planning through to reporting.

Overview Of The Role

The Senior Client Executive plays a pivotal role within the O2 brand team, acting as the connector between the client and MG OMD’s channel specialists. You will be the foundation of the O2 brand client team who become the most integrated team member feeding into the Account Manger and pivoting to work with the Account Director and Business Director for specific tasks. This is fundamentally a developmental role. In the early stages, the focus is on learning, exposure and execution excellence — building the foundations required to progress into running campaigns independently.

You Will

• Support the team across live campaigns from brief to post-campaign analysis
• Manage day-to-day workflows between client and specialist teams
• Help manage expectations, timelines and deliverables across multiple stakeholders
• Take responsibility for campaign actions and outputs, with increasing ownership over time
• You will also play a key role in helping to alleviate workload from senior colleagues, ensuring processes are adhered to and outputs are delivered to a high standard

Key Responsibilities

Campaign Planning

• Working with the planning teams to help deliver basis insights.
• Pulling together excel graphs, pivot tables and powerpoint decks.

Campaign Delivery

• Support the execution of campaigns across multiple channels
• Manage timelines, trackers and deliverables (POs, specs, tagging, creative deadlines)
• Coordinate specialist inputs and ensure plans are delivered on time
• Ensure all outputs are checked thoroughly before being shared
• Owner of media plan packs and finance processes.

Client & Stakeholder Management

• Act as a day-to-day point of contact for defined elements of the account
• Manage expectations with clients and internal teams
• Translate client feedback clearly and efficiently into specialist actions
• Build strong, collaborative working relationships
• Man mark clients of the same level

Process & Organisation

• Maintain clear and up-to-date campaign documentation
• Ensure financial tracking is accurate and aligned with budgets
• Adhere to established processes while identifying opportunities to improve or streamline ways of working
• Be proactive in identifying risks or delivery challenges early

Reporting & Learning

• Support in gathering and interpreting campaign results
• Work with specialists to build post-campaign reports
• Help translate results into actionable learning
• Build knowledge across channels with the ambition to eventually run your own campaigns

Skills & Experience

• Highly organised and process-driven
• Detail-oriented, with a strong instinct to sense-check and quality-control work
• Curious and motivated to understand how media works end-to-end
• Comfortable managing multiple workstreams simultaneously
• A clear communicator, both written and verbal
• Commercially aware and interested in how media drives business outcomes
• Basic financial confidence and budget tracking

Desirable Knowledge Includes

• Understanding of media channels and how they work together
• Awareness of planning and measurement tools (e.g. Nielsen, TGI, Touchpoints, DDS)

Development Path

Initially, The Focus Will Be On

• Learning VMO2 Client Team processes
• Supporting campaign planning and delivery
• Building cross-channel knowledge
• Developing client servicing confidence

Over Time, You Will

• Take ownership of defined campaigns
• Lead client calls on specific projects
• Build planning capability
• Progress towards managing your own campaigns independently

MG OMD job descriptions are a guideline and not restrictive. We are committed to building an inclusive and diverse workplace that reflects the society we live in and welcome applicants from all backgrounds.

About The Agency

MG OMD was established in 1990 as a challenger media agency (Manning Gottlieb Media) that placed craft, trust and performance at the heart of media planning and buying. Since joining Omnicom network’s OMG (Omnicom Media Group) in 1998, we have continued to retain our founding ethos of providing clients with bespoke approaches, unprecedented insight, specialism, security and transparency; helping our clients to use media to unlock their competitive advantage and deliver innovative, effective and award-winning work and campaigns that create difference that matters. MG OMD is the second-largest media agency in the UK. We are the most awarded media agency in both the history of the IPA Effectiveness Awards and Thinkbox’s TV Planning Awards and have this year been named as Agency of the Year in The Media Leader UK awards, Campaign Global awards and Campaign UK awards. With over 500 employees working across some of the UK’s leading brands including the John Lewis Partnership, Virgin Media O2, British Airways, Specsavers, HM Government, LNER, Sony Pictures and Age UK; it is our people who ultimately make the award-winning difference. So, true to our ethos, we work hard at creating a spirit and atmosphere that inspires our people to be considerate, honest, and professional whilst also being stimulating, imaginative and inspirational. We want people who are great to work with, fun to be with and who genuinely care; about each other, our clients, our media partners and doing great work. In return, we provide an amazingly collaborative culture, where open communication and an unwavering commitment to diversity of thinking, diversity of background and diversity of skillsets runs through everything we do. All backed up by the highest standards of training, development and support in the industry; so much so, that we have attained IPA (Institute of Practitioners in Advertising) CPD Gold Accreditation for the 13th year running and maintained our CPD Platinum Accreditation for the 7th consecutive year, showcasing our commitment to continuous professional development. We were also featured in the Sunday Times Best Places to Work in both 2023 and 2024. Our being named is completely based on the opinions and perspectives of our employees which makes the accolade all that more special.

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