About Us:We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.How We Work:At Proofpoint, you'll be part of a global team that breaks barriers to redefine cybersecurity, guided by our BRAVE core values: Bold in how we dream and innovate, Responsive to feedback, challenges, and opportunities, Accountable for results and best-in-class outcomes, Visionary in future-focused problem-solving, Exceptional in execution and impact.The RoleProofpoint is seeking a Category Buyer to support our Global Procurement organisation by managing high-volume buying tasks, coordinating sourcing activity, analysing spend, and contributing to category strategy—primarily across non-marketing services such as IT, Professional Services, Facilities, HR, Operations, and other indirect categories. This is a fast-paced, high-activity role requiring strong organisation, attention to detail, and the ability to prioritise competing demands. It is designed as a development pathway into Category Manager and Strategic Sourcing Manager roles.Your Day To DayHigh-Volume Operational BuyingManage a large volume of purchase requisitions, renewals, and vendor communications.Ensure timely processing and accurate data entry in procurement systems.Maintain documentation and track procurement activity across multiple categories simultaneously. Sourcing & Category SupportSupport RFx processes, supplier research, and initial proposal evaluation.Prepare negotiation materials and assist in supplier discussions under supervisionMaintain category trackers, sourcing pipelines, and supplier records in a rapid-response environment. Contracting & Supplier ManagementCoordinate contract reviews with Legal, Finance, and stakeholders.Validate pricing, SLAs, scope, and contractual accuracy (training provided).Support supplier performance tracking and follow-up actions. Stakeholder CoordinationEngage with internal stakeholders across non-marketing categories to gather requirements and clarify needs.Ensure full alignment with procurement processes, lead times, and compliance.Support senior sourcing leads with presentations, summaries, and dashboards. Spend & Data AnalysisRun recurring procurement reports (spend, renewals, contract cycles).Identify cost-saving opportunities and supplier consolidation potential.Support continuous improvement projects targeting speed, efficiency, and governance.QualificationsProven experience in procurement, sourcing, vendor management, or supply chain.Experience handling high-volume workloads or fast-paced operational environments strongly preferred.Strong analytical skills, able to interpret procurement data and summarise findings.High accuracy and attention to detail, particularly in high-volume processing.Exceptional organisational skills; able to manage multiple parallel tasks under time pressure.Clear, confident communicator with strong stakeholder engagement ability.Proficient in Excel and PowerPointFamiliarity with procurement/ERP tools (Dynamics 365, JIRA, Agiloft) is a plus.Bachelor's degree in business, supply chain, procurement, or related field preferred.#LI-CB1Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you'll love working with us: • Competitive compensation• Comprehensive benefits • Learning & Development: We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential. • Flexible work environment: (Remote options, hybrid schedules, flexible hours, etc.). • Annual wellness and community outreach days • Always on recognition for your contributions • Global collaboration and networking opportunities Our Culture: Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to How to Apply Interested? Submit your application here We can't wait to hear from you