GTM Growth Marketer

About Pantheon

Pantheon WebOps Platform powers the open web, running more than 300,000 sites in the cloud for customers including Google, Princeton, Salesloft, and Doctors Without Borders. Every day, thousands of developers and marketers create, iterate, and scale WordPress and Drupal sites to reach billions of people globally. Pantheon’s multitenant, container-based platform enables organizations to manage all of their websites from a single dashboard. Organizations, including Clorox and the United Nations, drive results through accelerated development and real-time publishing using Pantheon’s collaborative workflows.

The Role

We're building an early-stage go-to-market engine for a new product and looking for a GTM Growth Marketer Manager to own the experimentation loop at its core. This isn't a traditional demand gen role. You'll design and run structured outreach experiments across ICPs and message variants, interpret the signal that comes back, and feed those learnings directly into positioning — in tight partnership with our Product Marketing Manager and overlay AE team.

If you think in hypotheses, not campaigns, and you're energized by turning messy early-stage signal into crisp GTM decisions, this role is for you.

What You Need to Succeed 

GTM Experimentation

Design and run outbound experiments that cleanly isolate ICP and messaging variables

Define experiment cadence, success metrics, and review rhythm

Maintain a living ICP scorecard tracking response rates, objection patterns, and segment-level conversion

Demand Generation

Build and manage outbound sequences across email, LinkedIn, and video

Own pipeline metrics for the overlay AE team: MQLs, meeting-set rate, and conversion by segment

Instrument campaigns so signal is attributable and actionable

Signal Interpretation & Positioning Feedback

Synthesize response data, Gong call themes, and deal outcomes into positioning updates

Partner with the PMM to translate field signal into messaging refinements

Be the connective tissue between what the market is saying and what we're telling it

Sales Enablement

Develop and iterate outreach sequences, talk tracks, and one-pagers tuned to each ICP under test

Keep enablement materials in sync with positioning cycles — not on a separate track

Work closely with overlay AEs to understand what's landing and what isn't

Operations

Own the outreach and measurement toolstack (sequencing tool, CRM hygiene, pipeline reporting)

Define and maintain reporting that surfaces experiment learnings, not just activity metrics

What You Bring to the Table

7+ years of B2B marketing experience, with meaningful time in demand gen, outbound, or sales-adjacent roles

Demonstrated ability to design experiments and draw conclusions from imperfect data

Strong instincts for outbound — sequences, hooks, personalization, and what makes a cold outreach actually work

Comfortable working from Gong calls and deal data, not just marketing analytics

Experience with sequencing tools (Outreach, Salesloft, Apollo, or similar) and CRM hygiene

Collaborative working style — you'll be in a tight loop with PMM, AEs, and founders

Nice to have

Experience at a company one or two stages ahead of where we are now (e.g., seed hire from Series A/B)

Familiarity with ABM approaches and account-level signal tracking

Background that spans both PMM and demand gen — you understand positioning, not just pipeline

Why This Role

You'll have direct influence on how we define our ICP and go-to-market motion — not executing someone else's playbook

Tight feedback loop with the product and sales team

Your work will directly shape the marketing org as it scales

What We Offer

We have all the usual perks and benefits but what we can really offer you is a fantastic work environment powered by an amazing team. 

Industry competitive compensation and equity plan

Flexible time off, sick days, and 13 paid holidays

Comprehensive medical insurance including Health, Dental, and Vision

Paid parental leave (plus fertility, adoption, and other family planning benefits)

In-office workspace 

Monthly allowance for wellness, reading, and access to LinkedIn Learning for continued development

Events and activities both team-based and company-wide that inspire, educate, and cultivate

The base salary for this position is $124,000–$155,000 USD annually. Final compensation will be determined based on factors including role scope, relevant experience, and geographic location. This position is also eligible for a performance bonus based on company performance.

Pantheon is an equal opportunity employer and we welcome applications from all backgrounds regardless of race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity, veteran status, disability, or any other classification protected by law. Pantheon complies with federal and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If you need a reasonable accommodation due to a disability for any part of the interview process, please contact talent@pantheon.io. Pursuant to local and federal regulations, Pantheon will consider qualified applicants with arrest and conviction records for employment.

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