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The ISM website is the organisation’s shop window: showcasing everything ISM offers in a visually engaging, modern way. It supports sales, marketing and external affairs, strengthens our profile, and drives member recruitment and retention through high-quality content, functionality and forward-thinking digital design. This role leads the management, development and optimisation of the ISM website, ensuring it is engaging, accessible, technically robust and aligned with brand, SEO and marketing priorities. It oversees content quality, suppliers, and web projects, while keeping ISM’s digital presence user-centred and ahead of trends.
The role also manages digital marketing and insights, optimising paid and organic campaigns, analysing performance across all digital channels, and delivering clear reporting to support membership recruitment, retention and strategic decision-making.
Additionally, it supports CRM development, brand consistency, and cross-organisational initiatives to strengthen ISM’s profile and understanding of member and prospect behaviour.
A full job descriton can be found on the ISM's website along with details of how to apply.
Registered Charity 
11 - 20
The client requests no contact from agencies or media sales.
Thank you!
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Harris Hill is thrilled to partner with Christian Aid, to hire their new Web Optimisation Manager, to work in either London, Cardiff, Edinburgh or Warrington. The Web Optimisation Manager is a strategic, user-focused digital optimisation specialist with strong experience in SEO, CRO and UX on large or complex websites. You are confident using data and insight to diagnose issues, test improvements and demonstrate impact — particularly in fundraising or purpose-led environments.
By combining strong SEO leadership, CRO and UX expertise, and advanced analytics, you will identify performance issues, diagnose barriers to engagement, and deliver measurable improvements — always putting users first and aligning with Christian Aid’s values.
Key responsibilities:
- Develop and implement technical SEO, AEO, and site architecture strategies to improve platform health and attract relevant traffic.
- Deliver key technical SEO projects (crawlability, indexation, schema, site performance), alongside audits, keyword and competitor research, and backlink analysis.
- Lead tag management, server-side tagging and customer data platform integration to ensure accurate tracking.
- Review and optimise user journeys, UX and CRO, identifying conversion barriers and using behavioural insights, A/B testing and technical improvements to maximise impact.
- Line manage and support a Digital Performance Advisor, fostering a high-performing, insight-led team
Essential experience and skills:
- Strong experience in technical SEO, CRO and UX, with a proven track record of improving user journeys and conversion is essential
- Experience working with charities and non-profit organisations
- Highly proficient in Google Analytics 4, SEMrush (or equivalent), Google Tag Manager, Hotjar or Contentsquare, Power BI and Looker Studio
- Experience developing and delivering CRO strategies, including A/B and multivariate testing
- Working knowledge of CMS platforms such as Drupal, with basic HTML and CSS understanding
- Confident people manager with experience leading and coaching specialists
Closing date- Rolling. Applications are now being reviewed on a rolling basis. Please apply today!
- Salary and location- £48,937 in London (Waterloo). £44,056 in Cardiff, Edinburgh, Warrington.
- Hybrid working- 2 days in the office, 3 days working from home.
- Full-time, permanent.
- Snapshot of their benefits- 25 days holiday, plus bank holidays, increasing with length of service. Career break after 2 years of service.
As leading charity recruitment specialists and a certified B Corp™, Harris Hill is committed to high and ever-improving standards of equitable and inclusive recruitment. We actively welcome applications from all sections of the community regardless of age, disability, gender, race, religion, sexuality and other protected characteristics.
