Digital Marketing Officer

Your mission

This role supports digital marketing across CALM, with dedicated, protected time to build, manage and optimise paid social campaigns that recruit fundraisers into our Social Challenges programme.

• Build, manage and optimise paid social campaigns on Meta to recruit participants into CALM’s Social Challenges.
• Translate campaign objectives into effective audience targeting, creative testing plans and budget allocation.
• Monitor performance daily, adjusting ads, audiences and spend to maximise lead volume, quality and cost-efficiency.
• Analyse campaign results, using platform data and internal insight to understand what’s driving high‑value participants.
• Produce clear, actionable performance reports and recommendations for optimisation.

• Work closely with the Performance Marketing Manager to support digital marketing activity across the organisation, including paid and organic social.
• Partner with the Social Challenges Manager to understand audience motivations, challenge mechanics and supporter journeys.
• Collaborate with CALM’s studio team to brief, test and refine creative that performs and stays on-brand.
• Feed performance insight back into campaign planning, proposition development and supporter experience.

• Implement structured testing across creative, copy, audiences and formats to improve performance over time.
• Use learnings from each campaign to inform future challenges and evergreen activity.
• Keep up to date with changes to Meta advertising, tracking, privacy and best practice, flagging risks and opportunities early.

• Support wider digital marketing activity as required, including other paid digital channels and acquisition campaigns.
• Provide day‑to‑day cover for the Performance Marketing Manager during periods of leave, ensuring paid social campaigns continue to run smoothly and effectively.
• Support delivery of core marketing activity as required, including organic social, campaign optimisation, and reporting.
• Provide practical cover for the Social Media Manager when needed, supporting scheduling, publishing and basic community management to maintain a consistent social presence.
• Work with content colleagues to support drafting and optimising web and social content.
• Act as a reliable point of contact for digital marketing activity during absences, escalating issues appropriately.
• Contribute to improving CALM’s use of data, attribution and performance insight across digital fundraising.

• Hands‑on experience managing paid social advertising on Meta.
• Strong analytical skills and confidence working with performance data, metrics and insights.
• Experience of testing and optimisation across creative, audiences and formats.
• Ability to monitor social spend and deliver against clear targets.
• Comfortable working across teams and balancing multiple priorities.
• Strong written communication skills, with an understanding of what makes compelling ad copy.

• Experience in charity, fundraising or purpose‑led marketing.
• Familiarity with paid marketing funnels and supporter journeys.
• Experience working with tracking, pixels and basic attribution concepts.
• Experience working on organic social.
• Copywriting experience across a range of channels.

Benefits:
Unlimited annual leave, Healthcare cash plan, 6% pension contribution, therapeutic services (after completion of probation), hybrid working & nine day fortnight

Based:
London Waterloo twice a week (Wednesdays and Thursdays) / Remote Working (Mon,Tues & Fri), 9.30am - 5.30pm.

Salary: £32,000 - £37,000

A work environment that values creativity, personal growth and collaboration.

Reports to:

Performance Marketing Manager

Contract:

12 month fixed term contract

Closing date: 8 February 2026

To apply, you’ll need to already hold the right to work in the UK, as we’re not able to offer visa sponsorship for this role.