Senior Paid Media Manager

Mimecast Limited; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Mimecast Limited seeks a Senior Paid Media Manager to own and scale paid acquisition programs across Google Ads, LinkedIn, Meta, Reddit, and display. You will drive full-funnel demand generation, cross-sell, and brand campaigns for security practitioners and buying-team decision-makers.

You will manage multimillion-dollar media budgets, lead agency and internal teams, and translate channel data into strategic guidance for senior leadership.

Qualifications

• Deep hands-on paid media experience across major networks.
• Ability to manage multiple concurrent campaigns independently.
• Experience managing agency relationships and cross-functional teams.
• Ability to build structured performance dashboards and present results to leadership.
• Experience with conversion tracking and server-side measurement (CAPI, GTM).
• Knowledge of using AI to improve efficiency across workflows and reporting.

Responsibilities

• Own and scale paid acquisition programs across Google, LinkedIn, Meta, Reddit, and display.
• Drive full-funnel demand generation, cross-sell, and brand campaigns for security buyers.
• Manage multimillion-dollar media budgets and agency/internal teams.
• Build and present performance reports for senior stakeholders.
• Partner with content, design, and demand-gen on audience-specific creative and landing pages.
• Lead tests on ad copy, formats, bidding strategies, and audience targeting.
• Track channel changes and emerging formats, proposing proactive recommendations.
• Support integrations across the marketing stack (CRM, MTA, conversion tracking, CAPI).
• Lead AI automation initiatives across paid media workflows.

Skills

Paid media expertise

Campaign management

Agency management

Data-driven decisions

AI in marketing

Tools

Google Ads

LinkedIn Campaign Manager

Meta Ads Manager

Reddit Ads

Salesforce CRM

Marketo

HubSpot

6sense

Demandbase

GA4

Job description

Responsibilities

• Mimecast is looking for a Senior Paid Media Manager to own and scale paid acquisition programs across key digital channels.
• Reporting into the Global Digital Marketing team, you’ll drive full-funnel demand generation, cross-sell, and brand campaigns for security practitioners and buying-team decision-makers
• You’ll manage significant media budgets, lead agency and internal relationships, and turn performance data into clear, actionable strategy across Google Ads, LinkedIn Ads, Meta Ads, Reddit Ads, display and retargeting, and 6sense Ads
• Plan, execute, and optimize paid media campaigns across Google, LinkedIn, Meta, and Reddit, from strategy through performance reporting
• Manage multimillion-dollar media budgets, with accountability for pacing, efficiency, and return on spend
• Manage agency partners and internal team members by setting briefs, reviewing outputs, and holding stakeholders to performance standards
• Build and present performance reports for senior stakeholders, translating channel data into business impact and strategic recommendations
• Partner with content, design, and demand generation teams on audience-specific ad creative and landing-page strategy
• Build and manage audience segments, retargeting pools, and account-based targeting lists with marketing operations, Sales, and Field teams
• Lead tests across ad copy, creative formats, bidding strategies, and audience targeting
• Track channel changes, beta features, and emerging formats, and bring proactive recommendations to the team
• Support integrations across the marketing technology stack, including CRM, marketing automation, conversion tracking, and CAPI
• Lead AI automation initiatives across paid media workflows

Qualifications

Deep hands-on paid media experience and platform expertise across Google Ads, LinkedIn Campaign Manager, Meta Ads Manager, and Reddit Ads

The ability to manage multiple concurrent campaigns independently and in an organized way

Experience managing agency relationships and cross-functional teams, including setting direction, reviewing work, and driving accountability

The ability to build structured performance dashboards, synthesize data from multiple channels, and communicate results clearly to leadership

Experience with conversion tracking, server-side measurement such as CAPI and GTM, and audience syncing across platforms

The ability to use AI to improve efficiency across workflows, channels, functions, and reporting, including more complex tasks and agents at scale

An analytical approach to using GA4, data warehouses, or BI tools to generate insights and make cases for budget allocation

Preferred: a background in B2B SaaS, cybersecurity, or enterprise technology; agency experience; familiarity with ABM platforms such as 6sense or Demandbase and intent data; Salesforce CRM and marketing automation platforms such as Marketo or HubSpot; and knowledge of the cybersecurity buyer journey for practitioner and executive audiences

An understanding of how the AI landscape is changing and how paid media influences and interacts with AEOClear communication skills for presenting complex performance data to senior stakeholders

A record of managing multimillion-dollar annual media budgets with direct ownership of performance outcomes