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Mars

Global Strategic Sourcing Senior Manager (f/m/x)

GSW-Mars Global Services · POL-Mazowieckie-Warsaw

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hirly's read of this role

Role family
Supply chain
Seniority
Lead / management
Country
PL
Work mode
On-site / unstated
First seen by hirly
3 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Job Description:

Global Strategic Sourcing Senior Manager (f/m/x)

at MARS

Hybrid working (up to 50%)

Location: Warsaw

The Strategic Sourcing Senior Manager has a critical strategic role within our Commercial (Procurement) team. In this role, you will engage and collaborate heavily with Marketing to solve complex business problems, driving competitive advantage and directly impacting business results. You will be responsible for achieving maximum value for money across part of our Demand / Content portfolio (largely responsible for the sourcing of market research and insight services), creating and implementing robust sourcing strategies to deliver great work that is responsibly sourced and reasonably costed.

What will be your key responsibilities?

Develop and Execute Sourcing Strategies: Use the official Mars framework to create and implement sourcing strategies across the Content team, holding primary responsibility for the market research and insights sub-section.

Global and Regional Category Management: Take ownership of the Marketing services subcategory spent on both a regional (EU, CEAB, APMEA) and global basis, actively driving harmonization and automation as a key member of the Global Category Team.

Contract and Supplier Management: Develop and implement regional and global contracts with marketing agencies and suppliers to secure favorable pricing, volume rebates, service levels, and capacity to deliver tangible savings and efficiencies.

Stakeholder Partnership and Influence: Partner with and co-pilot key stakeholders, especially senior marketing leaders, fostering heavy cross-functional collaboration to ensure sourcing strategies are fully aligned with business needs.

Build and Leverage Category Expertise: Act as a subject matter expert, providing market and financial insights to the business while leveraging strong knowledge of internal and external business issues to continuously improve the services Mars procures.

Leadership and Mentorship: Act as a guidance resource for colleagues and support junior team members, playing a crucial role in building a high-performing Commercial team and ensuring the successful execution of projects.

Cross-functional & Divisional Delivery: Drive projects horizontally and vertically across Mars, taking responsibility for one capability area within Demand, as well as leading the broader delivery for the Content team within Commercial Demand for one division.

What are we looking for?

A University degree (Bachelors or Masters), preferably in Business, Procurement, or a related field.

Extensive track record with ideally 8–10 years of professional experience in procurement and commercial roles within large-scale, complex multinational environments, including 2-5+ years in a senior leadership/similar role with global exposure and strategic role.

Strong, proven experience specifically in marketing and sales procurement (experience in sourcing marketing services, market research, or insights is highly preferred).

Excellent stakeholder management and influencing skills, with a track record of partnering successfully with senior business and marketing leaders.

Strong analytical, problem-solving, and financial acumen to evaluate supplier proposals and market trends.

Tech-savviness & Automation: A strong understanding of modern technology and a proven track record of using automation and digital tools to drive productivity and streamline procurement workflows.

AI & Future-Ready Mindset: Familiarity with modern AI tools and generative technologies, with a clear understanding of how they are currently used and how to leverage them to work smarter and more efficiently.

Proven project management skills with the ability to manage complex regional and global portfolios independently.

Outstanding communication and interpersonal skills, with full fluency in written and spoken English.

What can you expect from us?

Contract of employment.

Company car or car allowance.

Attractive financial conditions with Business Bonus and Christmas Bonus.

We will also look after your safety and well-being by offering you rich benefits package including life insurance, private medical care, Employee Assistance Program fully covered by Mars, MultiBenefit Program.

Subsidized meals.

Extra savings scheme to support You in long perspective.

Support in career building through personalized development plan.

On-line & On-site shop with attractive discounts on our products that Your family and friend are going to love.

Possibility to participate in volunteering initiatives during working hours.

A modern and pet friendly office in the Warsaw City Centre.

Apply now and upload you profile in English.

#LI-KB1

Original posting on Mars's site ↗

Listed on hirly, a job board. hirly is not the employer: Mars is hiring for this role.

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