The Barton Partnership
GTM Engineer – Marketing Services
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We are hiring a GTM Engineer to lead the build and execution of digital marketing campaigns that generate leads and support sales across our consulting business. You will operate as the technical lead across our marketing stack, helping us deploy multi-channel campaigns at scale using tools such as Clay, Lemlist, ElevenLabs, and others. This role sits at the intersection of sales, marketing, and technology. You’ll design, execute, and optimise data-led campaigns that help us reach decision-makers, generate high-quality meetings, and convert interest into new business. As we build new advisory offerings, speed-to-market and lead generation are critical. This role will be central to designing and running the marketing engine that supports our growth. You’ll be the technical expert behind the campaigns, and a core enabler of revenue. Campaign Delivery & Execution Build and execute outbound and inbound marketing campaigns using LinkedIn, email, voice notes, and landing pages Set up automated sequences and triggers to move prospects through the funnel Coordinate message personalisation, A/B testing, and response handling Own the Marketing Tech Stack Manage tools including Clay (data enrichment and segmentation), Lemlist (multichannel outreach), ElevenLabs (AI voice), ScoreApp (lead capture), Qwilr (proposals), and Calendly (booking) Ensure integrations across tools and platforms are functioning and optimised Evaluate and onboard new tools as needed to improve speed or quality of execution Targeting & Data Enrichment Source and build prospect lists from LinkedIn and scraped data Enrich contact data (emails, phone numbers, titles, signals) via APIs and enrichment tools Segment audiences based on seniority, industry, buying intent, or use case Lead Generation & Content Activation Deploy content-led campaigns including scorecards, thought leadership, and voice note outreach Work closely with consultants and subject matter experts to publish relevant, timely campaigns Optimise CTAs, lead magnets, and booking flows to maximise conversion Analytics & Optimisation Track funnel performance: email open/reply rates, meetings booked, pipeline generated Create dashboards and reporting to show campaign ROI Iterate and improve based on performance data and market feedback Essential
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Strong experience executing B2B marketing campaigns in a consulting, SaaS, or services business
Background in consulting, recruitment, or professional services
Proven ability to work across marketing platforms and integrations
Experience with scraping tools and enrichment via tools like Clay, Lusha, and Apollo
Technical marketing skills including list building, data enrichment, segmentation, and automation
Familiarity with AI tools like ElevenLabs or GPT-based copywriting
Comfortable working independently to build campaigns from scratch
Strong understanding of multi-step outbound nurture campaigns
Growth mindset and a builder attitude
Experience in lead scoring, qualification frameworks, or CRM architecture
You must have the appropriate authorisation to work in the UK without requiring visa sponsorship from The Barton Partnership. We expect our colleagues to bring their best selves to work and demonstrate our values of Aware, Committed, and Human, every day.
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