Head of Marketing (First Dedicated Marketing Hire) - Mission Inbox

Mission Inbox is the infrastructure layer for B2B email at scale. We provide dedicated-IP sending infrastructure, automated DNS authentication, pre-send compliance scanning, and reputation management for B2B sales teams, agencies, and SaaS companies that depend on email deliverability as a core business function.

We are at an inflection point. The product is built, revenue is growing, and the customer base is expanding. This role is hired to build the marketing engine from zero.

This is not a 'run our marketing' role. There is no existing playbook to execute, no team to manage, and no agency doing the heavy lifting. You will be the first dedicated marketing hire at Mission Inbox. You will build the strategy, own the execution, and eventually manage the team as channels mature and headcount follows performance.

The right person sees this as the defining chapter of their career—a rare chance to build a full marketing function at a technical infrastructure company with real revenue, real customers, and real upside.

Our team is distributed globally, and we welcome talent regardless of geography, ethnicity, or religion.

What You Will Own

Demand Generation & Paid Media: Own paid acquisition across LinkedIn, Google, and niche channels. Build and iterate on audience targeting, creative, and bidding strategy—no agency dependency. Define and hit a monthly pipeline contribution target. Manage budget allocation across channels based on CAC and payback period data.

Organic Content Engine: Build a consistent content operation: blog, LinkedIn, newsletter, and thought leadership. Develop and execute an SEO strategy targeting deliverability, cold email, and outbound infrastructure keywords. Write or directly manage 80%+ of content output in the first 12 months.

Website & Conversion Optimization: Own the Mission Inbox website end-to-end: messaging, structure, and conversion performance. Run continuous CRO experiments across landing pages, CTAs, pricing page, and sign-up flow. Implement and maintain tracking, attribution, and analytics infrastructure.

Product-Led Growth (PLG): Design and execute in-product marketing and activation flows for self-serve users. Build onboarding email sequences that drive feature adoption and time-to-value. Define PQL criteria and build the handoff motion to sales.

Webinars & Events: Launch and run a recurring webinar program targeting B2B sales leaders, RevOps, and agency operators. Identify and manage presence at relevant industry events. Build event follow-up nurture workflows that convert attendance to pipeline.

Nurture & Lifecycle Campaigns: Design and execute multi-touch nurture programs for MQLs, trial users, and churned accounts. Build behavioral email workflows triggered by product activity and sales signals. Own HubSpot (or equivalent) — setup, segmentation, automation, and reporting.

Your First 60 Days

Days 1–10: Deep-dive into the product, ICP, and existing customers. Audit the website, CRM, current content, and any existing paid spend. Deliver a written State of Marketing assessment and a prioritized plan with proposed KPI targets.

Days 11–30: Launch core infrastructure — Attio setup, website messaging alignment, attribution tracking, first paid test campaigns. Shipping content, launching new ads, and setting up a new marketing content production engine.

Days 31–60: First webinar live. First nurture sequence running. Paid campaigns optimized with real data. First pipeline attribution report presented to CEO.

Requirements

• 3+ years in B2B SaaS marketing, with at least 2 years operating as an individual contributor (IC) or small-team lead
• Proven track record building pipeline from scratch—not inheriting a mature funnel
• You have owned a pipeline or revenue number directly, not just an MQL target
• Fluent in the full marketing stack: Attio/HubSpot, Google/LinkedIn Ads, SEO tooling (Ahrefs/Semrush), analytics (GA4, Mixpanel or equivalent)
• Strong copywriter—content output is not outsourced in this role
• Comfortable with technical products: you understand DNS records, email authentication (SPF, DKIM, DMARC), and why deliverability matters to a sales team
• PLG experience: you have built or contributed to product-led onboarding or activation flows
• Native or near-native English—written communication is a core output of this role
• Comfortable being the only marketer for 12+ months before building a team
• Talks in CAC, payback period, and pipeline velocity—not impressions and follower counts