Our Aeronautics Systems sector is seeking a Principal Supply Chain Procurement Specialist or Senior Principal Supply Chain Procurement Specialist (Buyer Level 3 or 4) to join our team of qualified, diverse professionals in Oklahoma City, OK.
Essential Functions:
Sources and procures goods and services of a commodity nature from many suppliers
Initiates Requests for Quotations and Proposals and receives same, analyzing proposed pricing from potential suppliers
In conjunction with quality organization, evaluates and monitors supplier quality and reliability, as well as supplier ability to support required delivery schedules
Works with internal customers to ensure specifications are appropriate for the services or products required
Identifies opportunities to reduce cost, improve efficiency and manage risk through targeted negotiations
Issues purchase orders
Manages performance of purchase orders, ensures compliance with all public law requirements as well as company (and business) policies and procedures including import/export regulations
Employs sound business practices and assesses supplier performance as part of follow-up activities
Ensures that appropriate documentation is provided to logistics/transportation & warehouse organization so that proper receipt is recorded
Reviews and approves supplier payment as needed
Utilizes process tools such as Lean Six Sigma with suppliers to drive quality, efficiency and continuous improvement
This position may be filled as a Level 3 or Level 4 based on the qualifications outlined below.
Basic Qualifications (Principal Supply Chain Procurement Specialist - Level 3):
Bachelor’s Degree with 5 years of experience, a Master's degree with 3 years of experience or PhD with 1 years of experience in supply chain, procurement, purchasing, purchasing, and/or supplier management.
Demonstrated ability to utilize Microsoft Office to create spreadsheets, documents, presentations. (i.e. Word, Excel & PowerPoint)
The ability to collaborate with program management and other multi-functional teams
Possess strong organizational skills
Ability to work with minimal supervision, work successfully in a fast- paced environment and apply sound judgment to problem solving
Ability to obtain and maintain a U.S Government Secret security clearance
US Citizenship required
Basic Qualifications (Principal Supply Chain Procurement Specialist - Level 4):
Bachelor’s Degree with 8 years of experience, a Master's degree with 6 years of experience or PhD with 4 years of experience in supply chain, procurement, purchasing, and/or supplier management.
Prior Government or Aerospace buying experience
Demonstrated ability to utilize Microsoft Office to create spreadsheets, documents, presentations. (i.e. Word, Excel & PowerPoint)
The ability to collaborate with program management and other multi-functional teams
Possess strong organizational skills
Ability to work with minimal supervision, work successfully in a fast- paced environment and apply sound judgment to problem solving
Knowledge of FAR/DFAR
Knowledge of CPSR and government audits
Ability to obtain and maintain a U.S Government Secret security clearance
US Citizenship required
Preferred Qualifications:
Bachelor's degree
Aerospace industry experience
Price analysis experience
Negotiation experience
Background in government procurement with familiarity of FAR/DFARS
Import / Export (ITAR) experience for movement of materials and technology
Familiar with SAP/S4 and/or Maximo procurement systems
Past Training/Mentoring of Junior level employees
Active Secret or Top Secret Clearance
Skills Required
- Bachelor's degree (advanced degree or PhD may reduce required years) with 5-8+ years relevant procurement/supplier management experience (level dependent)
- Experience in supply chain, procurement, purchasing, and/or supplier management
- Ability to obtain and maintain a U.S. Government Secret security clearance
- U.S. Citizenship
- Demonstrated Microsoft Office skills (Word, Excel, PowerPoint)
- Ability to collaborate with program management and multifunctional teams
- Strong organizational skills and ability to work with minimal supervision in fast-paced environment
- Prior government or aerospace buying experience (required for Level 4)
- Knowledge of FAR/DFARS (required for Level 4)
- Knowledge of CPSR and government audits (required for Level 4)
- Price analysis and negotiation experience
- Import/Export (ITAR) experience
- Familiarity with SAP/S4 and/or Maximo procurement systems
- Experience training or mentoring junior employees
- Active Secret or Top Secret clearance
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







