Senior Portfolio Growth Marketing Manager

3E•Bethesda, MD

3d•Remote

About The Position

3E is seeking a Senior Portfolio Growth Marketing Manager to shape growth for its Chemical & Workplace Safety portfolio and own marketing for high-growth opportunities. The role turns market, customer, and product insights into practical marketing activity, including positioning and messaging, integrated campaigns, digital experience improvements, commercial enablement, and performance optimization. The position works across Product, Sales, GTM, Regional Marketing, and the broader Marketing organization to connect 3E’s solutions with relevant industries, buyers, and business challenges. It involves global collaboration and requires comfort with a fast-moving environment, evolving products and priorities, informed decision-making, and rapid iteration. The role also uses AI as a strategic collaborator 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 the U.S. in a 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 in 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, beyond marketing or GTM strategy.
Familiarity with LinkedIn advertising and 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 marketing quality and efficiency.
Excellent written and verbal communication skills, including the ability to translate complex concepts into clear, compelling messaging.
Strong project management skills and 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 adapting 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 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 to generate and accelerate pipeline, support customer acquisition and cross-sell, strengthen retention and account growth, and build presence in priority industries and target accounts.
Create and 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 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 channels.
Contribute hands-on to campaign execution by reviewing creative, providing actionable feedback, evaluating performance, and adjusting campaigns based on results.
Manage and improve product capability and solution content on the 3E website, including 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 assess performance, identify improvement opportunities, and optimize marketing activity.
Apply AI to test and strengthen messaging, develop campaign concepts, explore buyer perspectives, challenge analysis, synthesize information, and improve 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 insurance
Dental insurance
Vision insurance
Life insurance
Disability coverage
Open PTO
Parental leave
401(k) plan with company matching
Employee assistance program
Voluntary supplemental benefits, including Accident, Hospital Indemnity, and Critical Illness coverage