Senior Portfolio Growth Marketing Manager

3E • Bethesda, MD

48d • $120,000 - $130,000 • Remote

About The Position

3E is seeking a Senior Portfolio Growth Marketing Manager to shape the growth of its Chemical & Workplace Safety portfolio, its largest business line, and lead marketing for high-growth opportunities. This hands-on portfolio marketing role turns market, customer, and product insights into positioning, messaging, integrated campaigns, improved digital experiences, commercial enablement, and measurable performance improvements.

The role works across Product, Sales, GTM, Regional Marketing, Customer Success, and the broader Marketing organization to connect 3E’s solutions with the industries, buyers, and business challenges they serve. It operates in a fast-moving environment where products and priorities can change, so the manager must make informed decisions, iterate quickly, and move work forward amid ambiguity. AI is part of the team’s workflow and is used strategically to test messaging and personas, explore campaign ideas, challenge assumptions, identify gaps, synthesize information, and improve execution.

The position supports remote work within the Eastern time zone. Candidates must be based in a U.S. state where 3E is authorized to hire and eligible to work without sponsorship.

Requirements

• Bachelor’s degree in Marketing, Communications, or a related field.
• At least 4 years of experience in portfolio marketing, product marketing, or a related marketing role within software, technology, compliance, legal, cybersecurity, or another technical industry.
• B2B marketing experience and a strong understanding of digital marketing, account-based marketing (ABM), content marketing, and integrated campaign practices.
• Hands-on experience developing messaging, marketing content, and campaigns, not only marketing or GTM strategy.
• Familiarity with LinkedIn advertising and an understanding of its role in B2B marketing and demand generation.
• Experience reviewing marketing and campaign performance data and translating results into practical actions and optimization decisions.
• Strong prompt-engineering skills and demonstrated experience using generative AI to explore ideas, test messaging and personas, identify gaps, synthesize information, and improve the quality and efficiency of marketing work.
• Excellent written and verbal communication skills, including the ability to translate complex concepts into clear, compelling messaging.
• Strong project management skills and demonstrated ability to manage multiple priorities and deadlines in a fast-moving environment.
• Ability to collaborate across functions, bring stakeholders together, and influence decisions without formal authority.
• Strong problem-solving skills and confidence making informed decisions, learning from results, and adjusting approach as circumstances change.
• Based in the U.S. in a state where 3E is authorized to hire and eligible to work without sponsorship.

Nice To Haves

• Experience developing and executing integrated solution campaigns that bring together multiple products or capabilities.
• Familiarity with ESG, EHS, and/or supply chain management terminology and trends.
• Experience working within a midsize software company or a similarly fast-moving environment.
• Familiarity with Salesforce, Asana, Google Ads, Figma, Canva, and ABM platforms such as 6sense, Demandbase, or Clay.
• Experience with AI platforms such as Claude, ChatGPT, Copilot, or similar tools.

Responsibilities

• Develop and own portfolio marketing plans that generate and accelerate pipeline, support new customer acquisition and cross-sell, strengthen retention and account growth, and build 3E’s presence in priority industries and target accounts.
• Create and continually refine buyer- and industry-specific positioning, messaging, and value propositions for the Chemical & Workplace Safety portfolio.
• Translate product capabilities, buyer needs, industry trends, and customer challenges into compelling solution narratives and integrated marketing strategies.
• Partner with Demand Generation, Regional Marketing, Events, Brand, Content, and other marketing teams to build, execute, and optimize integrated campaigns across digital advertising, email, social media, events, content, and other relevant channels.
• Participate hands-on in campaign execution by reviewing creative, providing actionable feedback, evaluating performance, and adjusting based on results.
• Manage and improve product capability and solution content across the 3E website, strengthening page flow, messaging, conversion, SEO, AEO, and GEO performance.
• Partner with Product Management, Sales, and Commercial Enablement to develop collateral, sales tools, and training materials that help commercial teams communicate customer value throughout the sales process.
• Develop and maintain buyer personas and use market, customer, industry, and competitive intelligence to identify opportunities and inform marketing decisions.
• Use campaign and channel reporting to understand performance, identify improvement opportunities, and continually optimize marketing activity.
• Apply AI throughout the workflow to test and strengthen messaging, develop campaign concepts, explore buyer perspectives, challenge analysis, synthesize information, and accelerate high-quality execution.
• Build relationships across Product, Sales, GTM, Customer Success, Regional Marketing, and the broader Marketing organization, bringing stakeholders together to advance initiatives.
• Manage multiple priorities in a fast-moving environment and adapt as products, market needs, and business priorities evolve.
• Take on other responsibilities as needed to support team and business priorities.

Benefits

• Health, dental, and vision insurance.
• Life insurance and disability coverage.
• Open PTO and parental leave.
• 401(k) plan with company matching.
• Employee assistance program.
• Voluntary supplemental benefits, including Accident, Hospital Indemnity, and Critical Illness coverage.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior