Oneleet is a Y Combinator-funded cybersecurity startup that aims to make effective cybersecurity easy and painless for companies. The company provides a full-coverage cybersecurity platform through which companies can build, manage, and monitor their cybersecurity management program.

The core product is a roadmap for companies that helps them become secure and build trust with their partners, which requires the implementation of numerous solutions like penetration testing, vulnerability assessments, awareness training, static code scanning, endpoint monitoring, and more.

About Oneleet

Oneleet is a cybersecurity startup with a mission to revolutionize the industry. It aims to make effective cybersecurity easy and painless for companies by providing a comprehensive platform that helps companies build, manage, and monitor their cybersecurity management program.

Oneleet is backed by top-tier venture capital firms including Y Combinator, and is part of their S22 cohort. The founding team has over 10 years of penetration testing and cybersecurity experience.

Be a part of our team of opinionated rebels and help us create a category-defining company on a mission to reshape the broken and fragmented cybersecurity industry.

Who we're looking for

At Oneleet we value individuals who are passionate and motivated to make a large impact in the cybersecurity ecosystem. We are looking for rebels with a growth mindset who love to take ownership, who exhibit excellent communication skills, and who have a "can-do" attitude towards technical challenges and innovation.

The GTM Engineer is part data architect and part growth engineer. You will build, operate, and optimize our go-to-market engine by integrating tools, automating workflows, and ensuring accurate measurement. You bridge the gap between marketing, sales, and data to help us understand what drives results and scale growth effectively. This is a hybrid role combining technical implementation, data analysis, and GTM strategy execution. The focus is technical. Since we operate primarily in US and European time zones, we expect applicants to be based in one of these regions.

Key Responsibilities

Build and optimize the GTM stack

• Own and manage HubSpot as the central GTM CRM and automation hub
• Integrate tools and ensure reliable data flow across the stack (marketing → sales → analytics)

Attribution and analytics

• Develop reporting and dashboards with GA4, Looker Studio, and BigQuery
• Improve attribution models to understand which campaigns and strategies deliver impact
• Provide insights that drive decisions about pipeline performance, conversion rates, and revenue influence

Hypothesis-driven experimentation

• Create hypotheses about campaign performance and user behavior
• Implement, run, and analyze A/B tests across channels and touch points
• Translate outcomes into actionable recommendations and optimized workflows

Data pipeline and automation

• Ensure clean, consistent, and scalable data pipelines between tools and analytics platforms
• Build automation that reduces manual work and helps teams scale faster

ABM and outbound systems

• Support Account-Based Marketing strategies and tooling (e.g., Clay)
• Design and measure ABM campaigns to ensure targeting, engagement, and conversions align with goals

Cross-functional collaboration

• Collaborate with marketing, sales, and product teams to ensure data alignment and transparency
• Translate between technical and commercial language to keep teams aligned and focused

Requirements

Essential

• 6+ years in GTM engineering, RevOps engineering, Growth, or Analytics engineering
• Strong hands-on experience with HubSpot, Google Analytics 4 (GA4), Looker Studio, BigQuery, n8n, Clay, Zapier, GTM, Framer (or similar platforms)
• Solid understanding of A/B testing and experimentation frameworks, hypothesis creation and testing methodologies, and attribution modeling and pipeline analytics
• Familiarity with GTM automation, data pipeline management, and cross-tool integrations

Preferred

• Experience with ABM tools such as Clay, Apollo.io, 6sense, Demandbase, ZoomInfo, Gong, CallRail, Stape, Funnel, Fivetran, Ahrefs, Semrush
• SQL experience and ability to work with datasets in BigQuery
• Strong analytical mindset and ability to communicate insights clearly across teams
• Ability to code in JavaScript, Python, or other scripting languages for building custom integrations, automations, and data transformations
• Familiarity with APIs and webhooks for connecting tools across the GTM stack

Why Oneleet

At Oneleet, you'll join a tight-knit crew of cybersecurity rebels on a mission to reshape the industry. We move fast, take ownership, and aren't afraid to disrupt stagnant business models to make security effortless for companies.

Our "work hard, play hard" culture means we hold ourselves to high standards, then celebrate wins. Our leading-edge tech stack keeps things exciting for any geek. And our experienced team ensures you're always sharpening your skills.

Bottom line, you'll have a blast doing deeply meaningful work. Expect hard problems, lots of autonomy, and plenty of growth. If you want your work to drive real change, this is the place to make your impact.

Oh, and we offer all the usual startup perks too:

• Comprehensive benefits packages designed to support your health and well-being 🩺
• Competitive comp & equity 💸
• Plenty of PTO 🏝️
• Floating holidays to honor the days that matter most to you 🎉
• Flexible remote work 💻
• Regular off-sites to cool places (Amsterdam, Italy, Portugal etc.) ✈️

We use Go and Prisma/Postgres on the backend and Typescript with React on the frontend. For task orchestration we use Temporal. Our applications are hosted on GCP using K8s.