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Senior Buyer

Sigma Systems, Inc.
Boston, MA Full Time
POSTED ON 12/8/2025 CLOSED ON 2/8/2026

What are the responsibilities and job description for the Senior Buyer position at Sigma Systems, Inc.?

780771 Senior Buyer, Boston, MA, 1 year contractSigma Inc. is looking for a Buyer to work onsite with our team at the MA Port Authority in Boston, MA. (Logan Airport 1 Harborside Drive) The right candidate will be responsible for managing the full lifecycle of procurement activities for goods and non-professional services across Massport departments, including preparing solicitation documents, reviewing specifications, analyzing vendor responses, and issuing purchase orders or contractual agreements in compliance with Authority policies.The role collaborates closely with internal stakeholders to ensure procurement strategies align with operational needs. Additionally, the position conducts forward-looking procurement analysisevaluating cost trends, market conditions,and spend data. ResponsibilitiesLead the preparation and upload of RFPs via the Authority's bid platform (currently Bid Express). Coordinate distribution of solicitation materials to selection committees, project managers, and relevant stakeholders. Collaborate with Legal and departments to address vendor inquiries and ensure compliance with procurement policies. Conduct comprehensive bid evaluations, including cost analysis, pricing trends, total cost of ownership, and vendor performance. Confirm vendor selection, award contracts, and oversee issuance of purchase orders in accordance with Authority procedures. Direct the execution of formal bids and service agreements in partnership with Legal and requesting departments in PM Web. Manage updates and amendments to purchase orders and contracts in PM Web. Monitor active contracts and amendments to ensure timely authorization and uninterrupted service and payment processing. Experience Required3-5 years relevant purchasing experience. Knowledge of e-Procurement methods and procedures (People Soft Experience Preferred) Experience in analyzing and interpreting RFP responses; data analysis Hours: 37.5 hour week Monday through Friday. Hybrid schedule once applicant is familiar with the work.

Salary : $12 - $30

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