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Senior Marketing Manager

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Sibylline Ltd
Full Time position
Listed on 2026-10-22
Job specializations:
  • Marketing / Advertising / PR
    Marketing Management, Marketing Strategy
Salary/Wage Range or Industry Benchmark: 65000 - 90000 GBP Yearly GBP 65000.00 90000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs through the provision of high-quality risk analysis, due diligence and consultancy services.

The firm provides an innovative, entrepreneurial and fast-growing working environment, offering employees ever greater exposure to high profile clients and challenges. Sibylline offers fantastic opportunities for career progression within a successful company, and we aim to help our employees to build their own personal profiles as well-regarded analysts within the broader industry.

Key attributes of Sibylline employees are:

  • Self-motivated, and auto-improving individuals who can couple initiative and boldness with good judgement
  • Excellent written and spoken English
  • Clarity of thought and analytical flair
  • Strong, demonstrable interest in security and intelligence
  • The ability to work under pressure, demonstrate leadership when required but also be able to collaborate effectively in teams
  • Excellent attention to detail
Job Description

About the Role

As the Senior Marketing Manager you will be responsible for leading Sibylline’s marketing function, overseeing the development and execution of an integrated marketing strategy that drives brand awareness, generates demand, supports business growth and strengthens the company’s market position. Reporting directly to the Director of Commercial Success, the role leads the in-house marketing team and ensures all marketing activities are aligned with Sibylline’s wider commercial objectives and strategic priorities.

This role encompasses the full breadth of B2B marketing, including brand and communications, demand generation, product marketing, content marketing, digital marketing and events. Working closely with senior leadership, the Client Success Team and subject matter experts across the business, you will translate Sibylline’s expertise and solutions into compelling value propositions, targeted campaigns and impactful marketing initiatives that engage existing clients, attract new prospects and support revenue growth.

As the leader of the marketing function, you will be responsible for setting strategic direction, managing budgets and resources, developing team capabilities and ensuring the effective delivery and measurement of marketing activities.

Essential Functions/Responsibilities

  • Team Leadership:
    Lead and manage a small in-house team, including a Marketing Associate and Sibylline Media’s Lead Editor, providing strategic direction, coaching and professional development
  • Marketing Strategy & Campaigns:
    Develop and execute integrated, multi-channel marketing campaigns that drive brand awareness, demand generation, lead acquisition and client engagement, aligned with Sibylline’s commercial objectives.
  • Performance & Analytics:
    Establish, monitor and report on marketing KPIs, evaluating campaign effectiveness, lead generation, pipeline contribution and ROI to inform ongoing optimisation.
  • Cross Functional

    Collaboration:

    Partner closely with the Client Success team, Product, Subject Matter Experts and other stakeholders to ensure marketing activities support business priorities and deliver consistent messaging that are aligned with our brand standards, culture, and strategic vision.
  • Maintain a deep understanding of the company's products and services and evolutions in the market.
  • Events & Engagement:
    Oversee the marketing and promotion of Sibylline’s own-brand and external events, working with the Client Success Team to maximise attendance, engagement and commercial opportunities.
  • On occasion, the Senior Marketing Manager will project manage cross-team collaboration on various facets of planning,execution, and follow-up…
Position Requirements
10+ Years work experience
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