SEM Marketing Specialist III

Thermo Fisher Scientific’s Life Sciences Solutions Group is looking for a hands-on SEM Marketing Specialist III to drive paid-search and shopping programs for the Biosciences and Genetic Sciences divisions globally.

About the role

You will own, plan, launch, maintain, and optimize enterprise-level paid-search and shopping campaigns that deliver measurable revenue growth, advance the Search roadmap, and scale SEM capabilities across the business. This is an on-site, full-time position.

Responsibilities

• Serve as the internal SEM channel owner for assigned business units, leading day-to-day strategy, execution, measurement, and optimization of paid-search and shopping programs.
• Translate business needs into Search roadmap priorities: channel enhancements, testing plans, platform improvements, automation opportunities, and scalable operating processes.
• Monitor campaign performance, conduct investigative analyses, and identify optimization opportunities.
• Refine account structures, campaign types, bid strategies, budgets, targeting methods, and creative assets to improve performance.
• Evaluate, pilot, and scale emerging Search capabilities (Performance Max, AI Max for Search, feed-based campaigns, feed readiness, creative automation, audience signal strategies).
• Own SEM performance narratives for stakeholders and leadership, including forecasting, budget recommendations, spend pacing, attribution insights, and executive-ready reporting.
• Lead SEM knowledge-sharing sessions on methodologies, strategy, industry updates, platform changes, automation, AI Search, Shopping, measurement, and testing learnings.
• Participate in agile scrum ceremonies and use project-management software.

Requirements

• Bachelor’s degree (minimum requirement).
• 5+ years of hands-on paid-search experience managing enterprise-scale Google Ads and Microsoft Advertising programs, large budgets, and cross-functional stakeholders.
• Experience with Search, Dynamic Search Ads, Shopping Ads, Performance Max, and other automated or AI-enabled campaign types.
• Deep understanding of automated bidding, Smart Bidding, budget pacing, audience signals, match types, query management, campaign structure, and performance trade-offs.
• Proficiency with Google Analytics or Adobe Analytics.
• Intermediate Microsoft Excel skills.
• Experience with A/B testing and implementing test results.

Skills

• Excellent communication: translate complex SEM insights into clear business recommendations and present to leadership.
• Analytical and problem-solving: analyze large data sets from multiple sources.
• Leverage AI-enabled tools, automation, and platform recommendations to improve performance, workflow efficiency, testing velocity, and decision-making.
• Use data, dashboards, and performance narratives to communicate actionable insights.
• Strong time management, planning, and prioritization.
• Self-starter who identifies and leads process or channel improvements.
• Attention to detail and a collaborative, positive demeanor.
• Agile methodology experience within a marketing organization is a plus.

Pay

Salary range for this California-based position is $83,300–$110,000. Eligible for a variable annual bonus based on company, team, and individual performance.

Benefits

• Choice of national medical, dental, and vision plans with health-incentive programs.
• Employee assistance and family support programs, including commuter benefits and tuition reimbursement.
• At least 120 hours paid time off (PTO), 10 paid holidays, 3 weeks paid parental bonding leave, and 8 weeks paid caregiver leave.
• Accident, life, short-term, and long-term disability insurance.
• Competitive 401(k) retirement savings plan.
• Employees’ Stock Purchase Plan (ESPP) with a stock discount.

Schedule

Standard office schedule: Monday–Friday.