GTM Engineer, Martech Platforms & Integrations

We're looking for a GTM Engineer, Martech Platforms & Integrations This role is Hybrid, Costa Rica About the Role
You'll own the technology foundation of our go-to-market stack: discovering and evaluating tools, implementing and managing them, and making sure they work together. You'll also architect how work gets done in Asana and use AI and automation to reduce effort across our platforms and processes.
What You'll Do
Martech discovery and implementation
Partner with marketing stakeholders to uncover needs, evaluate tools, run proofs of concept, and recommend solutions
Define process for processing and managing business cases for new technology, ensure it aligns with the overall MarTech strategy
Prioritize the MarTech roadmap, communicate updates, changes and priorities with partners across Marketing, Operations and IT
Collaborate with IT and marketing teams to lead implementation and rollout of new platforms, including configuration, data migration, testing, and vendor coordination
Maintain a current inventory of the martech stack, including ownership, usage, cost, and dependencies
Platform management and technical support
Administer and optimize core tools such as Outreach, PathFactory, Goldcast and adjacent platforms
Provide technical development and support, including templates, custom functionality, scripts, and troubleshooting
Maintain governance, documentation, and change management practices for all owned systems
Integrations and system interconnectedness
Design, build, and monitor integrations across marketing, sales, and data platforms using native connectors, APIs, webhooks, and iPaaS tools
Maintain clear field mappings and data flow documentation, and proactively monitor for sync failures
Partner with IT, Security, Sales Ops, and RevOps to ensure integrations are secure, scalable, and reliable
Project management tool architecture (Asana)
Architect and manage Asana as the team's system of work: project templates, intake forms, rules, custom fields, reporting, and integrations
Partner with Project Management to streamline request intake and campaign workflows to improve visibility, prioritization, and accountability
Enablement
Create documentation, training, and office hours so teams can use systems confidently
Drive adoption through clear communication of changes, best practices, and new capabilities
AI and automation optimization
Find opportunities to apply AI and automation across platforms and workflows (campaign QA, content operations, reporting, intake triage, and more)
Evaluate and implement native AI features in the stack and build custom agents, prompts, and scripts where valuable
Establish standards and guardrails for safe, effective AI use
Measure and report the efficiency gains delivered
What You'll Bring
Required
5+ years in marketing operations, martech, GTM engineering, or a similar technical role in B2B
Hands-on administration of marketing automation (Marketo preferred) and other martech platforms
Proven experience building integrations with APIs, webhooks, and workflow tools (Workato, Zapier or similar)
Experience leading tool evaluations and implementations from discovery to rollout
Practical experience using generative AI and LLMs to build real workflows
Light scripting or development skills (JavaScript, Python, HTML/CSS)
Strong documentation, communication, and change management skills
Strong cross-functional collaboration and project management capabilities
Nice to have
Experience architecting Asana or a comparable work management tool
Familiarity with Outreach, Clay, ZoomInfo, or other GTM tools
Knowledge of security and privacy review processes for new vendors
Our Growing Presence in Costa Rica
Cornerstone is excited to be building a new hub in Costa Rica as part of our continued investment in growing our global talent and capabilities. We are bringing together teams across a variety of functions, creating exciting opportunities for people to join us at the ground floor of this new chapter and help shape how we grow in the region.
We have invested in a new office in Costa Rica, with construction beginning soon, and we expect our presence and capabilities in the region to continue expanding over time. For those joining us now, this is a unique opportunity to help build something from the beginning, work alongside talented colleagues across Cornerstone globally, and be part of our longer-term growth in Costa Rica.
Employment Structure
As we establish our operations in Costa Rica and complete the process to operate under the country’s Free Trade Zone Regime, Cornerstone is partnering with Recluta, our local Employer of Record (EOR).
Our Culture
Spark Greatness. Shatter Boundaries. Share Success. Are you ready? Because here, right now – is where the future of work is happening. Where curious disruptors and change innovators like you are helping communities and customers enable everyone – anywhere – to learn, grow and advance. To be better tomorrow than they are today.
Who We Are
At Cornerstone, we believe in AI that works in the service of people, amplifying their judgment to drive high-performing, future-ready organizations forward. Cornerstone Workforce AI™, the intelligence platform for workforce readiness, brings together workforce and labor market data into a proprietary Cornerstone People Graph™, translating signals into intelligence, targeting learning where it matters, developing critical skills, and surfacing hidden talent. Delivered as an open, enterprise platform across whatever application your people work in every day, Cornerstone Workforce AI is built for scale, security, and trust, with certified AI guardrails. As an industry leader, Cornerstone is helping approximately 7,000 organizations, 140M+ users, across 186 countries build continuous workforce readiness.
Check us out on LinkedIn , Comparably , Glassdoor , and Facebook !

Work arrangement
Yes