Procurement and project management expert with extensive experience in aerospace industry. Demonstrated success in strategic sourcing and vendor management, resulting in enhanced operational efficiency and compliance. Skilled in team leadership and budget optimization, achieving significant supply chain performance improvements and cost savings through effective negotiation strategies.
Open To Work
Hi, I’m
Darren Lee-Wellington
Palmdale
Summary
Overview
16
years of professional experience
Work History
Lockheed Martin
Manager of On-site partner (OSP) delivery
12.2025 - Current
Job overview
- Managed supplier performance logistics operations and coordinated internal stakeholder engagement.
- Served as single point of contact for external partners, including suppliers and 3PL depot.
- Tracked on-time delivery, lead-time fill-rate, and cost-of-delay for partner shipments.
- Oversaw issue diagnosis and conducted root-cause analysis to resolve operational challenges.
- Developed corrective action plans with partners, establishing milestones and due dates for implementation.
- Monitored effectiveness of corrective actions through regular status updates and verification cycles.
- Maintained expectation logs to document deviations from contractual agreements.
Boeing AerospaceLong Beach
Sr. Procurement Field Rep. III Project Manager
02.2024 - 12.2025
Job overview
- Developed supply chain strategies to resolve issues and ensure seamless operations.
- Implemented tracking systems to improve product quality and delivery timelines.
- Strengthened supplier relationships to align with project objectives.
- Provided technical support to facilitate continuous improvement.
Northrop Grumman AerospaceRedondo Beach
Sr. Subcontract Specialist
03.2023 - 02.2024
Job overview
- Managed subcontract terms to ensure supplier compliance and drive improvements.
- Led source selection processes to achieve strategic procurement objectives.
- Spearheaded performance assessments of suppliers to enhance compliance metrics.
- Coordinated with stakeholders for optimization of procurement workflows.
- Fostered partnerships with teams to align on key project goals.
Raytheon Intelligence and SpaceEl Segundo
Sr. Subcontract Specialist
02.2022 - 03.2023
Job overview
- Spearheaded negotiation strategies to maximize profitability and cost efficiency.
- Managed subcontractors ensuring compliance and timely delivery.
- Developed strategic supply plans driving operational improvements.
- Collaborated with cross-functional teams to enhance supply chain performance.
Northrop Grumman AeronauticsPalmdale
Subcontractor Specialist II
09.2019 - 02.2022
Job overview
- Led supply chain strategies, resolving issues for seamless operations.
- Implemented tracking systems, enhancing product quality and delivery timelines.
- Strengthened supplier relationships, aligning with project goals.
- Provided technical support to foster continuous improvement.
- Managed subcontract terms, ensuring supplier compliance and improvements.
- Coordinated with stakeholders to optimize procurement processes.
- Led source selection, achieving strategic procurement goals.
- Spearheaded supplier performance assessments, enhancing compliance.
- Fostered partnerships with teams, aligning on project objectives.
- Managed subcontracts, ensuring compliance and timely delivery.
- Led supplier negotiations, optimizing cost efficiency.
- Collaborated with teams to enhance supply chain.
- Developed strategic supply plans, driving improvements.
- Spearheaded negotiation strategies for profitability.
- Managed contract teams, ensuring compliance in Air and Space projects.
- Negotiated $500 savings via strategic contract management.
- Authored subcontracting plans, reducing costs by 5%.
- Collaborated with leadership, optimizing budgets.
- Streamlined supplier evaluation, enhancing compliance.
- Managed logistics for 3000+ personnel, enhancing equipment readiness.
- Directed $10MM budget, optimizing resource allocation and effectiveness.
- Mentored 6 team members, fostering leadership; 5 promoted to Sergeant.
- Managed $1MM supply chain, enhancing operational efficiency.
- Led weapon transport, earning achievement medal.
- Trained supervisor, ensuring leadership transition.
- Developed budgets aligning with unit goals.
- Provided cross-functional support, optimizing inventory.
California Army National GuardVan Nuys
Unit Supply Non-Commission Officer
01.2012 - 09.2019
Job overview
- Managed logistics operations for over 3000 personnel, ensuring optimal equipment readiness.
- Directed $10 million budget to optimize resource allocation and operational effectiveness.
- Mentored six team members, resulting in five promotions to sergeant.
California Army National GuardVan Nuys
Supply Technician
11.2009 - 01.2012
Job overview
- Successfully managed $1 million supply chain budget, driving operational efficiency.
- Led sensitive item transport team, earning Commander’s Achievement Medal for excellence.
- Trained incoming logistics leadership to ensure seamless leadership transition.
- Developed budgets aligned with unit objectives to enhance financial performance.
- Provided cross-functional support to optimize inventory control processes.
Education
Saint Mary UniversityWinona, Minnesota
Master of Arts from Health & Human Service
University Overview
California Baptist UniversityRiverside, California
Bachelor of Arts from Business Administration
University Overview
Skills
- Project management and procurement
- Supply chain and vendor management
- Strategic sourcing and negotiation
- Lean Six Sigma methodology
- Risk assessment and management
- Team leadership and conflict resolution
- Budgeting and performance optimization
- Change management and compliance oversight
Accomplishments
Accomplishments
- Authored and revised the 2019 sub-contracting management plan.
- Reduced initial aerospace project cost by 5% through negotiation participation.
- Spearheaded the resolution and closeout of an outstanding aged supplier's purchase order.
- Achieved a cost savings of $500 through expediting negotiation and contracts before the expiration date.
- Recipient of the Army Accommodation Medal for leading unit to achieve record-breaking ratings.
- Created the strategic readiness plan within 24 hours of a deploying unit resulting in 100% accuracy of unit equipment at pre-deployment location.
- Flawlessly executed multi-state logistical support for 15 military training events.
Work Preference
Job Search Status
Open to workSalary Range
$120000/yr - $200000/yrTimeline
Manager of On-site partner (OSP) delivery
Lockheed Martin
12.2025 - Current
Sr. Procurement Field Rep. III Project Manager
Boeing Aerospace
02.2024 - 12.2025
Sr. Subcontract Specialist
Northrop Grumman Aerospace
03.2023 - 02.2024
Sr. Subcontract Specialist
Raytheon Intelligence and Space
02.2022 - 03.2023
Subcontractor Specialist II
Northrop Grumman Aeronautics
09.2019 - 02.2022
Unit Supply Non-Commission Officer
California Army National Guard
01.2012 - 09.2019
Supply Technician
California Army National Guard
11.2009 - 01.2012
Saint Mary University
Master of Arts from Health & Human Service
California Baptist University
Bachelor of Arts from Business Administration