Job Description

Closing Date

2026-10-04

Job Title: Campaign Marketing Manager

Location: Durrington, Worthing - hybrid working, with two days onsite and three days working from home

Contract Type: 10-month fixed-term contract covering maternity leave

Hours: 37 hours per week

Salary: Up to £50,000 per annum, depending on skills, experience and qualifications

About the role

We're looking for a creative and proactive Campaign Marketing Manager to join our Marketing and Brand team, leading the planning and delivery of customer-focused marketing and communications campaigns across multiple channels.

You'll turn key business priorities into clear, engaging campaigns that help build trust in Southern Water, strengthen our brand reputation and educate customers and communities at a pivotal time for the water industry. Using customer insight and performance data, you'll shape the campaign approach, measure success and apply a test-and-learn mindset to continually improve results and return on investment.

You'll work collaboratively across the business and with external agency partners to make sure campaigns are fully integrated across marketing, PR, digital, internal communications and stakeholder engagement. You'll bring fresh ideas, confident project leadership and a strong understanding of how consistent messaging and creative execution come together to make an impact.

This is a great opportunity to join a supportive, collaborative team and deliver meaningful work for a business committed to environmental sustainability and excellent customer service.

What you'll be responsible for:

• Planning and delivering integrated, multi-channel marketing campaigns that support Southern Water's strategic priorities and enhance brand reputation
• Translating customer insight and business objectives into clear campaign strategies, messaging and delivery plans
• Building strong internal relationships to ensure campaigns are joined up and messaging is consistent across all customer and stakeholder channels
• Managing external agencies, developing clear briefs and challenging partners to deliver creative, insight-led work
• Overseeing campaign budgets, timelines and priorities to ensure activity is delivered effectively and to deadline
• Measuring campaign performance and return on investment, sharing clear results and using learning to optimise future activity
• Acting as a brand guardian, ensuring campaign materials follow our brand guidelines and tone of voice
• Identifying opportunities for new approaches, channels and ideas that improve customer understanding, trust and engagement

What you'll bring to the role:

Essential

• Proven experience planning and delivering creative, data-led marketing campaigns across multiple channels
• A proactive, ownership-driven approach, with the confidence to move work forward and solve problems
• Strong stakeholder management skills and experience working collaboratively with internal teams and external agency partners
• Excellent project management skills, including managing budgets, competing priorities and demanding deadlines
• Strong written and verbal communication skills, with the ability to develop clear, engaging customer messaging
• The ability to analyse campaign metrics, evaluate performance and use insight to improve results
• Hands-on experience using email marketing tools and delivering digital campaign activity
• Confidence developing innovative campaign strategies and managing cross-functional relationships

Desirable

• A recognised marketing qualification, such as CIM or an equivalent

About Southern Water

Southern Water is at the forefront of transforming Britain's water industry, investing significantly to enhance resilience, sustainability and service excellence. With £7.8bn planned investment for 2025-30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.

You will be joining at a time of significant change, working alongside a highly skilled team with a clear vision for the future. We offer an environment where professionals can make a meaningful impact, influence how we engage with customers and communities, and help build long-term trust in our brand.

Our mission is to protect and enhance life through water and we need passionate people to help us achieve it. If you're inspired by our purpose and believe you can contribute, apply today. You don't need to meet every criterion; what matters most is your drive to make a difference.

If this role isn't quite what you're looking for but you are keen to be contacted about opportunities at Southern Water, you can register your details here: Introduce Yourself (myworkdaysite.com - Introduce Yourself)

Our Commitment to Diversity

We welcome applicants from all backgrounds, identities and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.

Additional information

In line with Southern Water's security requirements, successful candidates will be required to provide evidence of their identity, eligibility to work in the UK, criminal record check (DBS) and verification of their employment and/or education history for the past three years.

Appointment to this role is subject to the successful completion of all pre-employment checks, including security vetting.

Please note that if a candidate does not meet the required security standards or fails to pass the vetting process, Southern Water reserves the right to withdraw the offer of employment. Some positions may also require higher levels of security vetting, which may involve providing additional documentation.