Senior Strategic Sourcing Manager, Indirect in Los Angeles, California at Hermeus

We are seeking a Senior Strategic Sourcing Manager, Indirect to lead sourcing strategy and supplier management across critical indirect spend categories within a fast-paced aerospace and defense environment. This is a highly strategic role focused on building scalable sourcing frameworks, driving supplier performance, and supporting rapid company growth from development through production scale-up.

You will own end-to-end sourcing activities across categories such as Professional Services, Software/SaaS, IT Infrastructure, Facilities, Capital Equipment, and Corporate Services. The ideal candidate is highly autonomous, commercially strong, operationally minded, and comfortable operating in ambiguity while partnering cross-functionally with Engineering, Manufacturing, Finance, Legal, IT, and Executive Leadership.

• Develop and execute sourcing strategies across indirect procurement categories including Professional Services, Software/SaaS, IT, Facilities, and Capital Equipment
• Lead end-to-end sourcing activities including supplier selection, RFP/RFQ management, negotiations, contracting, and supplier onboarding
• Drive supplier negotiations focused on cost, scalability, risk mitigation, quality, and long-term partnerships
• Partner cross-functionally with Engineering, Manufacturing, Finance, IT, Legal, and Operations teams to support company priorities
• Build scalable procurement processes and category management strategies to support rapid organizational growth
• Establish supplier performance metrics and drive continuous improvement across cost, delivery, and operational efficiency
• Support infrastructure expansion, CapEx initiatives, and operational build-outs tied to company scaling efforts
• Identify opportunities for procurement optimization, spend visibility improvements, and process automation
• Influence stakeholders and leadership through data-driven sourcing recommendations and market intelligence

• Bachelor’s degree in Supply Chain, Business, Engineering, Operations, Finance, or related field
• 10+ years of experience in strategic sourcing, procurement, or supply chain within a high-growth or technical environment
• Strong experience managing indirect spend categories such as Professional Services, Software/SaaS, IT, Facilities, or CapEx
• Proven experience building sourcing strategies and procurement processes within startup or scaling organizations
• Strong commercial negotiation and supplier management experience involving complex agreements and contracts
• Experience partnering cross-functionally with Engineering, Manufacturing, Finance, IT, and Legal organizations
• Strong analytical, operational, and stakeholder management capabilities
• Ability to operate autonomously and drive initiatives with minimal oversight
• Experience managing multiple sourcing initiatives simultaneously under aggressive timelines