Senior Portfolio Marketing Manager

London, UK (Hybrid)

$145K/yr – $155K/yrSenior Level5+ years expFull time

Posted 4 days ago

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Job Summary

Lead the full product marketing lifecycle from messaging and GTM execution to enablement, with cross-functional leadership and ongoing optimization.

  • Own messaging and GTM execution for new launches and enhancements.
  • Collaborate with Product, Demand Gen, Content, and Sales to drive adoption and pipeline velocity.
  • Define success metrics and analyze launch performance to optimize strategy.

Job Description

Responsibilities

  • Product Positioning & Messaging - Develop clear, differentiated product positioning and value propositions for B2B buyers across industries, personas, and use cases.
  • Own core messaging frameworks and ensure consistency across marketing, sales, and customer-facing materials.
  • Go-to-Market Strategy - Lead and execute go-to-market (GTM) plans for new product launches, feature releases, and enhancements.
  • Partner closely with Product Management, Demand Gen, Content, and Sales to ensure successful launches and ongoing adoption.
  • Sales Enablement - Create and maintain sales enablement assets including pitch decks, product one-pagers, competitive battlecards, FAQs, and use‑case collateral.
  • Enable Sales, SDRs, and Customer Success teams with training and narrative support that improves pipeline conversion and deal velocity.
  • Market & Customer Insights - Conduct market research, competitive analysis, and customer discovery to inform product strategy and messaging.
  • Translate insights into actionable recommendations that influence roadmap prioritization and marketing strategy.
  • Cross-Functional Leadership - Act as the voice of the market internally, aligning stakeholders across Product, Sales, Marketing, and Leadership.
  • Support integrated campaigns across digital, events, content, and lifecycle marketing.

Requirements

  • 5+ years of experience as a Product Marketing Manager/Portfolio Marketing Manager in a B2B technology or SaaS environment.
  • Proven experience owning product messaging, positioning, and go-to-market execution.
  • Strong understanding of B2B buying cycles, personas, and sales-led or hybrid GTM models.
  • Exceptional written, verbal, and presentation skills.
  • Demonstrated ability to work cross-functionally and influence without authority.
  • Demonstrated ability to use AI tools.

Preferred

  • Experience supporting Sales and Revenue teams with enablement programs.
  • Familiarity with competitive intelligence, win/loss analysis, and customer research.
  • Experience working with global or enterprise audiences.
  • Background in payments, fraud, SaaS platforms, or data-driven products (nice to have, not required).

Benefits

  • Why Join Accertify? At Accertify, we offer more than just a paycheck—we invest in our people through competitive rewards, meaningful benefits, professional development opportunities, flexible ways of working, and programs that support your overall well-being.
Accertify, Inc. logo

Accertify, Inc.

2.4 Glassdoor

Expertise. Experience. Trust.When we formed in 2007, we brought together the smartest, most innovative engineers, analysts, designers and thought leaders operating online. Our mission? To help organizations solve their digital identity and financial fraud risks, making it simpler to protect their organization. We are a leading provider of digital identity, fraud prevention, chargeback management, and payment gateway solutions.

Founded in 2007
Itasca, Illinois, USA
808 employees (10 in marketing)
30% recommend to a friend
48% CEO approval

Traffic Signals

Monthly Visitors
14K
Monthly Google Ads Budget
$18.4K
Traffic Source Mix
Search
31.3%
Direct
57.2%
Referral
7.1%
Social
2.8%
Paid
1.4%

Headcount Trend

Current headcount: ~808

Marketing Team

Marketing Team Size
9 (1% of company)
Median Tenure
0.5 years
Marketing Roles Posted (Last 30 Days)
2

Funding

Total Funding
$7.1M
Last Raise
$700K
Series Unknown, 16 years ago

Funding History

  • May 2010
    Series Unknown • $700K
  • Jun 2009
    Series B • $2.4M
  • Jun 2008
    Series A • $4M

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