About Us
One Day Agency is an integrated advertising and marketing agency with offices in Manchester, London, Paris and Warsaw. In just six years, we've grown to a team of 16 ambitious specialists, working with brands of all sizes, from fast-growing e-commerce businesses to F1 teams. We deliver high-impact campaigns across OOH, TV, Radio and Digital, helping brands grow through smart, strategic media planning and buying.
Role Description
Manchester | 4 Days in the Office
We're looking for a
Junior Account Manager (Junior Growth Executive)
to join our Business Development, Account Management and Media team. This is a hands-on opportunity to learn how an international advertising agency grows, pitches, and wins campaigns across multiple markets. You'll work closely with the Leadership and Growth team to first support and collaborate with all senior members of the team. This role is ideal for someone ambitious and organised, who wants to build a career in advertising and media in a unique non-siloed environment.
Key Responsibilities
* Provide support to the team and the business
* Review and qualify inbound leads to ensure alignment with our client profile
* Support outbound lead outreach and follow-up on cold or unresponsive prospects
* Maintain accurate, up-to-date lead and opportunity data within the CRM
* Assist in creating and updating market decks, pitch materials, and credentials
* Help package and distribute special media deals and rate offers across our network
* Support media planning administration and coordination
* Liaise with media partners to source rate cards, specs, and presentation materials
* Keep media planning software, site lists, and supporting documents up to date
What We're Looking For
* Degree in Marketing, Business, Communications, or a related field
* Strong written and verbal communication skills
* Highly organised with excellent attention to detail
* Confident using Google Workspace and comfortable learning CRM systems
* Proactive, curious, and eager to learn about advertising, media planning, and client acquisition
* 1 year agency experience (preferred)
Salary & Benefits
Salary: from £26,000 - £30,000 per annum
Permanent Position
Flexible working: Work from home every Friday + 20 additional WFH days per year
Annual leave: Up to 30 days
Learning & development: Training and development budget
Office & equipment: Top-tier setup with high-end equipment
Extras: Additional perks listed on our Careers Page –