Media Executive

Job posted: November 2025

About Annex Media

Annex Media is an independent, full-service marketing agency driven by one clear mission: Ambitious Growth. This is more than a tagline, it’s the anchor of who we are and how we work. For our clients, Ambitious Growth means partnership. We collaborate with brands and organisations that are hungry to grow, those willing to test, learn, and push boundaries. We don’t just deliver campaigns; we help clients achieve measurable, meaningful progress across every channel and audience.

For our people, it means opportunity. We invest heavily in professional development, paying for every team member to complete their Chartered Marketer qualification. We’re building a team of true professionals, ambitious, curious, and proud of the results they deliver. When we achieve Ambitious Growth for clients, it fuels recognition, award-winning work, and careers we can be proud of.

For us as a business, Ambitious Growth means drive, competitiveness, and continual improvement. We never settle for average, every campaign we run and every strategy we build is designed to be smarter, sharper, and more effective than what came before.

Our supporting line, Smarter thinking. Sharper execution. Stronger outcomes., defines how we operate, every project starts with insight, is executed with precision, and is measured against clear commercial results. From our headquarters in Brighton, Annex Media operates nationally, partnering with brands across sectors including eCommerce, culture, education, and charity.


The Role

We’re looking for a Media Executive to join our growing team.

As a Media Executive, you will be responsible for planning, executing, and optimising paid media campaigns across various digital platforms to drive brand awareness, traffic, and conversions. Your expertise in paid advertising, data analysis, and campaign optimisation will be crucial in achieving our marketing goals. This role offers significant career development opportunities, allowing you to grow and excel in the field of digital marketing.


Responsibilities


Campaign Strategy and Planning

  • Collaborate with the marketing team to develop paid media strategies that align with overall marketing goals and target audience.
  • Conduct thorough research to identify key insights about the target audience, industry trends, and competitive landscape.
  • Plan and execute paid media campaigns across platforms such as Google Ads, Facebook Ads, Instagram Ads, LinkedIn Ads, and others as relevant.

Campaign Execution and Management

  • Monitor and manage campaign budgets, bidding strategies, and ad placements to maximise ROI.
  • Implement A/B testing methodologies to optimise ad performance and identify successful strategies.

Data Analysis and Optimisation

  • Regularly analyse campaign performance metrics, such as click-through rates, conversion rates, and return on ad spend (ROAS).
  • Use data insights to make informed decisions and adjustments to campaigns for continuous improvement.
  • Identify trends, patterns, and opportunities to refine targeting, messaging, and audience segmentation.

Keyword and Audience Research

  • Conduct keyword research to identify relevant and high-performing keywords for search advertising campaigns.
  • Define and refine target audience segments based on demographics, interests, behaviours, and other criteria.

Collaboration and Reporting

  • Provide regular reports on campaign performance, highlighting key metrics and actionable insights.
  • Collaborate with cross-functional teams to align paid media strategies with other marketing initiatives.
  • Regular weekly / bi-weekly / monthly reports and meetings with clients to discuss the performance.

Skills & Experience

  • Proven experience (2 years +) in planning, executing, and optimising paid media campaigns across platforms such as Google Ads, Facebook Ads, etc.
  • Solid understanding of digital marketing concepts, including PPC, CPC, CTR, and ROAS.
  • Proficiency in data analysis and using tools like Google Analytics to extract actionable insights.
  • Strong communication and analytical thinking skills to communicate with clients and optimise campaigns.
  • Strong analytical and problem-solving skills with a test-and-learn mindset.
  • Excellent communication skills and the ability to work collaboratively in a team environment.
  • Experience with A/B testing methodologies and campaign optimisation techniques.
  • Google Ads and other relevant certifications are a plus.

Benefits

  • Bonus scheme to reward performance
  • Health insurance (medical, dental, vision)
  • Funded professional development including Chartered Marketer status
  • Regular team socials and company events
  • Fast progression opportunities in a growing agency
  • A supportive, ambitious environment that celebrates results and personal growth

How To Apply

Send your CV and a cover letter to info@18.135.97.39. We look forward to hearing from you!

"When I'm sifting through CVs or conducting interviews, I'm looking for talent, passion and, most importantly, a drive to succeed both inside and outside of work." - Mathew Williams (Annex Media MD)