About the Role

We are looking for a GTM Engineer – Customer Success to own the post-sale customer journey while helping B2B customers design, launch, and continuously improve their outbound go-to-market motions.

This role is adecuado for a customer-facing GTM professional who combines hands-on technical execution, B2B outbound expertise, sales technology, and consultative Customer Success. You will work directly with customers to understand their market, ICP, buyer personas, and growth objectives, then translate those goals into scalable outbound strategies, campaigns, and technical workflows.

You will serve as both a trusted GTM advisor and hands-on technical partner, working closely with customers as well as internal Sales, Product, RevOps, and R&D; teams.

Key Responsibilities

- Own customer onboarding, adoption, retention, and ongoing success from initial implementation through value realization.
- Develop a deep understanding of each customer's product, market, TAM, ICP, buyer personas, sales process, and growth objectives.
- Translate business goals into practical outbound GTM strategies, campaigns, and workflows.
- Build and optimize account and prospecting workflows using tools such as Clay, including enrichment, filtering, AI agents, APIs, and webhooks.
- Help customers identify and prioritize the right accounts, stakeholders, intent signals, buying triggers, and engagement opportunities.
- Advise customers on targeting, personalization, positioning, messaging, sequencing, and outbound campaign execution.
- Use AI and automation tools to build, improve, and troubleshoot GTM workflows independently.
- Support outbound campaign execution across email and other relevant channels, including sequencing and deliverability optimization.
- Analyze campaign performance, reply rates, meetings generated,



product usage, and account health to identify opportunities and risks.
- Continuously test and iterate targeting, messaging, data sources, and campaign strategies based on performance.
- Lead customer business reviews, enablement sessions, strategic discussions, and campaign performance reviews.
- Troubleshoot technical, workflow, data, and campaign challenges and coordinate with Product or R&D; when necessary.
- Translate recurring customer challenges and feedback into actionable insights for Product and R&D.;
- Collaborate with Sales and RevOps on customer handoffs, renewals, retention, and expansion opportunities.

Required Experience

- 2+ years of experience across GTM Engineering, Customer Success, RevOps, Sales Engineering, Business Development, Account Management, or another customer-facing B2B GTM role.
- Hands-on experience building and managing B2B outbound campaigns and GTM workflows.
- Strong understanding of outbound sales, sales development, account-based selling, TAM/ICP development, lead generation, and revenue workflows.
- Experience with Clay or similar data enrichment and GTM workflow platforms.
- Comfortable working with sales technology, enrichment data, APIs, webhooks, automation, and AI-powered tools.
- Ability to independently troubleshoot technical GTM workflows and develop practical solutions.
- Experience analyzing outbound performance metrics and using results to improve targeting, messaging, and campaign execution.
- Proven ability to manage multiple customer relationships or GTM projects simultaneously.
- Strong analytical and problem-solving skills with the ability to translate business requirements into structured workflows.
- Excellent written and spoken English.
- Strong interpersonal skills with a consultative, customer-first approach.

📌 GTM Engineer – Customer Success (Gijón)
🏢 Simera
📍 Gijón