Sr. Buyer
$100k - $130kQinetiQ US (formerly Avantus Federal)
We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). Why Join QinetiQ US? If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. In our diverse and inclusive environment, you can be authentic, feel valued, be respected, and realize your full potential. QinetiQ US will support you with workplace flexibility, a commitment to the health and well‑being of you and your family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives. Position Overview QinetiQ US is seeking a Sr Buyer for our Lorton, VA location. Responsibilities Responsibilities of a Senior Buyer include the strategic sourcing of materials and services, managing procurement processes, and optimizing cost without compromising on quality. This involves: Develop and execute procurement strategies that align with company goals. Negotiate and execute purchase orders and Long‑Term Agreement contracts with suppliers and secure advantageous terms. Perform price/cost analysis. Ensure timely delivery of materials and services from vendors. Conduct market research to stay updated on industry trends and new suppliers. Maintain strong relationships with suppliers and internal stakeholders. Ensure compliance with FAR/DFAR requirements and regulations. Required Qualifications 10 years of experience—7+ years in a procurement or purchasing role, with at least 3+ years in a senior position handling complex procurement tasks. Understands Contractors Purchasing System Reviews (CPSR) requirements. Use of Costpoint ERP system. Excellent communication, negotiation, and analytical skills. Preferred Qualifications Positive attitude. Results focused. Strategic mindset. Able to handle multiple tasks simultaneously. Problem solver. Ability to work independently. Pay Transparency The salary range for this role is $100-130K USD. The salary range provided is a good faith estimate representative of all experience levels. QinetiQ US considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Accessibility/Accommodation If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process, please send an e‑mail to View email address on click.appcast.io or call View phone number on click.appcast.io Opt. 1 and let us know the nature of your request and contact information. Company EEO Statement QinetiQ US is an Equal Opportunity employer. All Qualified Applicants will receive equal consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status. #J-18808-Ljbffr QinetiQ US (formerly Avantus Federal)
$100k - $130k
...Sr. Buyer Job Locations 1 month ago(7/16/2026 8:38 AM) Job ID 2026-12213 Posted Date Acquisition/Contracting Job Location US-VA-Lorton Company Overview We are a world-class team of professionals who deliver next generation...SeniorLong term contractFor contractorsWork experience placement- QinetiQ US is seeking a Senior Buyer for its Lorton, VA location to lead strategic procurement and optimize cost without compromising quality. You will develop procurement strategies, negotiate contracts, and ensure timely delivery while maintaining strong supplier relationships...Senior
- Semper Valens Solutions in Fort Belvoir, VA is seeking a Purchasing Agent Buyer II to support our DoD contracting team. This full-time role focuses on procuring goods and services, maintaining supplier relationships, and ensuring compliance with regulations. The ideal candidate...SuggestedFull timeContract work
- This position is contingent upon contract award** Purchasing Agent Buyer II Full Time, Ft. Belvoir, VA Obtain & Maintain Secret Clearance This position is contingent upon contract award** Job Description Semper Valens Solutions is looking for a Purchasing Agent Buyer...SuggestedFull timeContract work
$180k - $220k
As a Sr Network Engineer/Architect with MTSI you will provide technical guidance and direction for transport network design and engineering, network routing protocols, advanced virtual networking technologies for missions to support operationsOther Duties:Establish overall...SeniorContract work- ...technologically advanced and intelligent solutions that are redefining aerospace and defence.We’re now looking for an experienced Strategic Buyer to join our team in Havant.This is an opportunity to take real ownership of supplier strategy and programme delivery, helping ensure...Work at officeFlexible hours
$46.2k - $200k
...sell more than the top 10% of agents in the country. What we can offer you: ● Access to 500+ leads per month ● Leads from live buyers that come directly to your cell phone ● The most lucrative compensation plan of any real estate team in the area ● No franchise...Full timeContract workFlexible hours- Title: Senior. Procurement Analyst Location: Alexandria, VA US Citizenship Required: Yes Clearance: Current Secret clearance with the ability to obtain and maintain a TS/SCI w/CI polygraph Summary: The Senior Procurement Analyst plays...SeniorContract workFor contractors
- The U.S. Department of the Navy is seeking candidates with at least one year of specialized experience at or equivalent to the GS-13 grade level (NH-03) in Federal service or equivalent experience in private or public sectors. The role focuses on overseeing complex procurement...Senior
- ITility is seeking an experienced, results-oriented Supply Specialist who will be joining a program of ours supporting the Headquarters of the Department of the Army and will provide logistical support to the customer. Candidate must be goal-oriented and able to utilize...Interim roleWork at office
- TekPro Support Services, LLC in Alexandria, VA is seeking a Procurement Specialist or Contracts Manager to support Department of Defense projects. This role involves reviewing acquisition packages, preparing market research, and supporting contract administration. The ideal...SeniorContract work
$58.55k - $82.07k
...Buyer Location US-VA-Tysons (McLean) Job ID 2026-0046 # Positions 1 Experience (Years) 2 Category Real Estate & Facilities - Buyer External Description Buyer The Air Line Pilots Association, International...Work at officeLocal areaRemote workRelocationFlexible hours- ...Sr Project ManagerPingWind is seeking an Senior Project Manager to join our team. As a Senior Project Manager, you will oversee complex projects from initiation to completion. Your role involves planning, coordination of resources, risk management, and effective communication...Senior
$80k - $110k
...Used Car Buyer - BMW OF FAIRFAX The Used Car Buyer will have a primary responsibility of executing a process which involves prospecting, appraising, and presenting offers to current vehicle owners with the goal of purchasing their vehicles from multiple sources for...Full timeWeekend work- Network Engineer Our partner is searching for Network Engineers to join their dynamic team. As a Network Engineer, you will be responsible for providing senior-level support for their network infrastructure, with a focus on LAN/WAN designs, configurations, management...Senior
- Semper Valens Solutions in Fort Belvoir, VA is seeking a Purchasing Agent Buyer II to support our team. This full-time role involves procurement activities and working closely with program managers to secure materials and services for DoD projects. The ideal candidate will...Full timeContract work
- ...use of a controlled substance is prohibited at all VHC Health locations. Qualifications Purpose & Scope: The Healthcare Buyer is responsible for procuring products, supplies and services for VHC Health. This role is responsible for cross-functional collaboration...Hourly payWork at officeShift work
- City/StateWoodbridge, VAWork ShiftRotatingOverview:Rotating- Mainly 0700 to 0330, must be available to work rotating weekends and holidays. Clean driving record.OverviewResponsible for leading, managing, transforming and developing the inventory and logistics of Hospital...Temporary workRemote work
$43 - $49 per hour
Overview Please note that this position is contingent upon the successful award of a contract currently under bid. A leader in cutting-edge research and technology in the cyber arena, CPMG focuses on using business drivers to guide cybersecurity activities and manage risk...Hourly payContract workFor contractorsWork at officeFlexible hours$40.67 - $45.19 per hour
Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy ...SeniorFor contractors$43 - $49 per hour
A leading defense contractor in Virginia seeks a skilled Procurement Specialist responsible for evaluating vendors, negotiating contracts, and managing procurement activities. This role demands strong negotiation and communication skills along with the ability to analyze...Hourly payFor contractors- ...Do you excel in public procurement and want to make an impact on major infrastructure projects? If so, VPRA is looking for you! The Buyer will handle day-to-day purchasing needs, including a moderate to high volume of construction, architecture/engineering, consulting services...Full timeContract workFor contractorsWork at office
$97.59k - $110k
Prince William County's award-winning Office of Procurement Services (OPS) is seeking a motivated Capital Procurement Officer to support the successful delivery of capital projects. In this role, you’ll solicit construction and professional services, including building ...Full timeContract workWork at officeLocal areaRemote workMonday to FridayAfternoon shift$38 - $43 per hour
...Job Title: Buyer/Supply Planner Job Description This role leads the end-to-end supply planning function for a global business, owning the weekly and monthly supply plan over a 12‑month horizon. You will drive strategic material cost improvements, ensure continuity...Contract workTemporary workWork at officeMonday to Friday$141k - $317k
Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation’s interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ...SeniorFull time- Procurement Process Specialist DutiesIdentifies procurement process issues and problems of particularly high visibility and criticality to the agency.Studies policies and assesses impact on processes, procedures, systems, data, and customer and supplier organizations.Identifies...Work at office
- Principal Optical EngineerQinetiQ US is looking for a Principal Optical Engineer experienced in electro-optic/infrared (EOIR) imaging sensor optical design, laboratory optical characterization, and prototype integration with a willingness to learn new skills to join our...
- Need Work? Want to help people? Become a Senior Caregiver We recognize that many individuals have been laid off due to the coronavirus or may be seeking additional hours.We can help connect you to immediate caregiving opportunities with the potential to build a longer...SeniorHourly pay
- ...including formal advertising, negotiation, fixed price, cost contracting, and use of special provisions and incentives to enable the buyer to plan and carry out contracting and financial assignments requirements. Minimum Education: Bachelor’s degree from an accredited...Contract work
- ...Sr. Data EngineerWe are seeking a versatile AI/Data Engineer with a strong Full Stack Development background to lead the technical realization of our Emerging Technology initiatives. This role requires a "builder" mindset—someone who can develop robust data pipelines,...SeniorImmediate startRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Buyer. Be the first to apply!
- senior implementation engineer Lorton, VA
- senior Lorton, VA
- senior cloud network engineer Lorton, VA
- senior medical science liaison Lorton, VA
- senior level Lorton, VA
- senior implementation project manager Lorton, VA
- senior activities Lorton, VA
- senior network engineer remote Lorton, VA
- srs Lorton, VA
- senior application administrator Lorton, VA



