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Senior Sales Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Cosmic Partners
Part Time position
Listed on 2026-09-01
Job specializations:
  • Sales
    Sales Engineer, SaaS Sales, Technical Sales
  • IT/Tech
    Sales Engineer, SaaS Sales, Technical Sales
Salary/Wage Range or Industry Benchmark: 120000 GBP Yearly GBP 120000.00 YEAR
Job Description & How to Apply Below
Position: Senior Sales Engineer (£120k base + 30% OTE)
Location: Greater London

We are working exclusively with our client to find a Senior
Sales Engineer
.

About:

Our client is a high-growth B2B SaaS business transforming the way enterprise organisations manage a critical business function through AI-powered software.

Built by experienced founders with a proven track record of scaling technology businesses, the company was created to replace outdated legacy solutions with a modern, intuitive platform that helps organisations operate more efficiently and make better decisions.

Following rapid commercial growth, significant customer adoption across international markets and substantial venture backing, the business is entering its next phase of scale.

With ambitious expansion plans across Europe and North America, they are now hiring their first dedicated Sales Engineer to establish a best-in-class pre-sales function and play a key role in the company's continued growth.

Key Highlights:
  • Built by experienced technology founders with a proven track record of scaling high-growth software businesses.
  • Partnering with an experienced commercial leadership team to establish and shape the company's first dedicated pre-sales function.
  • Rapidly scaled to multi-million ARR, with ambitious plans to more than triple revenue over the coming years.
  • Well-funded by leading investors, providing significant investment across product development, engineering and go-to-market.
  • Developing a modern, AI-powered enterprise platform that is disrupting a long-established software category.
  • Serving enterprise customers across multiple international markets, with significant expansion planned across Europe and North America.
  • Joining as the company's first dedicated Sales Engineer, with the opportunity to build the pre-sales function from the ground up.
  • Supporting a strategic enterprise sales motion, partnering with Account Executives on complex six-figure ARR opportunities.
  • Playing a key role in technical discovery, solution design and delivering high-impact product demonstrations to improve commercial outcomes.
  • Defining technical playbooks, demo environments and pre-sales best practice as the business continues to scale.
  • Competitive salary, generous equity package and the opportunity to play a key role in the growth of a high-potential venture-backed software company.
Role:
  • Becoming the company's first dedicated Sales Engineer, helping build the pre-sales function from the ground up.
  • Partnering closely with Account Executives throughout the sales cycle, leading technical discovery, solution design and tailored product demonstrations.
  • Designing highly customised demonstrations based on each customer's procurement processes, ERP landscape and technical environment.
  • Acting as the technical lead throughout enterprise sales cycles, helping customers understand how the platform integrates with their existing technology stack.
  • Building repeatable demo environments, playbooks and customer-facing assets that improve consistency and increase win rates.
  • Supporting Account Executives with business cases, technical validation and solution positioning across complex enterprise opportunities.
  • Working closely with Sales Operations and Customer Success to ensure a seamless transition from signed customer through to implementation.
  • Acting as the voice of the customer, providing feedback to Product and Engineering to help shape future product development.
  • Helping establish a scalable Sales Engineering function capable of supporting the company's continued growth across EMEA and North America.
Requirements:
  • Experience as a Sales Engineer, Solutions Consultant or Pre-Sales Consultant within an enterprise B2B SaaS business, with at least 2 years working on enterprise deals.
  • Proven experience supporting enterprise sales cycles involving technical discovery, solution design and tailored product demonstrations.
  • Strong understanding of enterprise software integrations, ideally involving ERP, procurement, finance or HRIS platforms.
  • Experience creating customised demonstrations, technical assets and repeatable pre-sales playbooks.
  • Comfortable translating technical capabilities into clear commercial value for both business and technical stakeholders.
  • Strong presentation skills with the ability to build credibility with senior finance, procurement and technology leaders.
  • Commercial mindset with a passion for helping enterprise sales teams win larger and more strategic opportunities.
  • Comfortable operating in a scaling business where you'll have the opportunity to define processes and build a new function.
  • Previous experience within procurement software, finance automation, AP automation or adjacent enterprise software would be highly advantageous.
  • Exposure to APIs, integrations or scripting languages such as Python would be beneficial, but deep software engineering experience is not required.
  • Salary from £120k base + 30% OTE.
  • Generous stock options.
  • Hybrid working - London office 3 days per week.
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Position Requirements
10+ Years work experience
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