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Buyer

GSI Service Group

Boulder, Colorado

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JOB DETAILS
SKILLS
Accounting, Analysis Skills, Billing, Change Requests/Orders, Communication Skills, Concrete, Construction, Construction Contracts, Construction Support, Consulting, Contract Management, Contract Requirements, Corporate Compliance, Corporate Policies, Defense Federal Acquisition Regulations Supplement (DFARS), Detail Oriented, Diversity Recruiting, Documentation, Electricity, Equipment Rentals, Federal Acquisition Regulations (FAR), Federal Contracts, Federal Government, File Audits, File Maintenance, Finance, Funding, Green Construction, HVAC, Insurance, Laboratory Testing, Maintain Compliance, Microsoft Excel, Microsoft Office, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Multitasking, Naval Facilities Engineering Command (NAVFAC), Negotiation Skills, Operational Support, Organizational Skills, Performance Analysis, Plumbing, Presentation/Verbal Skills, Pricing, Problem Solving Skills, Process Management, Procurement Management, Procurement Planning, Professional Services, Project/Program Management, Proposal Writing, Purchase Orders, Purchasing/Procurement, Regulatory Compliance, Request for Proposals (RFP), Roofing, Safety Equipment, Scaffolding, Service Delivery, Small Business, Spreadsheets, Technical Support, Technical Writing, Test Equipment, Time Management, United States Department of Defense (DoD), Vendor/Supplier Evaluation, Vendor/Supplier Management, Vendor/Supplier Relations, Vendor/Supplier Selection, Vendor/Supplier Sourcing, Writing Skills
LOCATION
Boulder, Colorado
POSTED
30+ days ago

Description

BUYER
**This is an in-office position (not remote)
ABOUT US
  • Diverse company with multiple lines of business worldwide
  • Fast-paced, upbeat environment located in the heart of Boulder
  • Many advancement and learning opportunities
  • Company provides in-house training and is supportive of education
  • Strong leadership with top industry professionals
JOB DESCRIPTION/SUMMARY
 
The Buyer is responsible for executing medium- to high-volume procurement activities in support of Construction, Environmental, UXO/MEC, Professional, and IT Services projects. This role performs the full lifecycle of purchasing actions, including the issuance and administration of Purchase Orders (POs) and Change Orders (COs), expediting, and ensuring compliance with applicable regulations including FAR/DFARS, DPAS, and Buy American Act requirements.
 
The Buyer works closely with the assigned Subcontract Administrator and Project Teams to ensure timely, compliant, and cost-effective acquisition of goods and services in a fast-paced, deadline-driven environment.
 
This is a professional position supporting both internal teams and external stakeholders, with a strong focus on Federal Government procurement.  
 
This role reports to the Procurement Manager or his designee and interfaces regularly with Project Managers, Division Leads, and Accounting/Finance personnel.
 
DUTIES AND RESPONSIBILITIES
 
Procurement Execution
  • Execute a medium to high volume of procurement actions across multiple projects
  • Issue, manage, and close out Purchase Orders (POs) and Change Orders (COs)
  • Review and validate purchase requisitions, funding, and supporting documentation
  • Ensure timely processing to meet project schedules and deadlines
  • Perform expediting activities to ensure on-time delivery of materials and services
 
Compliance & Regulatory Requirements
  • Ensure all procurement actions comply with:
    • Company policies and procedures
    • FAR / DFARS
    • Buy American Act / Buy America requirements
    • DPAS (as applicable)
  • Perform price analysis, commercial item determinations, and source justification (as required)
  • Maintain procurement files to support audit readiness and CPSR compliance
  • Conduct vendor responsibility determinations in accordance with FAR
 
Sourcing & Vendor Management
  • Support sourcing activities including RFQs and competitive procurements
  • Evaluate bids and proposals for compliance, pricing, and technical requirements
  • Prepare bid tabulations and award recommendations
  • Assist in identifying and prequalifying suppliers
  • Negotiate pricing, delivery terms, and conditions
  • Monitor vendor performance and resolve delivery or invoicing issues
  • Maintain strong vendor relationships
 
Purchase Order & Contract Administration
  • Draft, issue, and administer:
    • Purchase Orders
    • Change Orders
    • Service and consulting agreements
  • Track PO status, funding, modifications, and closeout
  • Ensure compliance with insurance, bonding, and contractual requirements
 
Procurement Scope
 
The Buyer procures a wide range of materials, equipment, rentals, and services in support of field operations, including but not limited to:
  • Construction materials (aggregate, asphalt, concrete, wood, steel, roofing, etc.)
  • Electrical, HVAC, and plumbing materials and equipment
  • Equipment and tool purchase/rentals (including test equipment)
  • Temporary facilities and site support (fencing, scaffolding, office/storage units)
  • Laboratory testing services and supplies
  • Industrial consumables (fasteners, abrasives, blades, etc.)
  • Safety equipment and PPE
  • General materials and hardware
 
Project Team Integration
  • Work closely with assigned Subcontract Administrator(s)
  • Partner with Project Managers to support procurement planning and execution
  • Participate in project meetings and provide procurement status updates
  • Support project buyout and ongoing procurement efforts
 
Systems & Tools
  • Utilize Kahua for procurement tracking and PO/CO management
  • Prepare and maintain documentation using:
    • Kahua
    • Microsoft Word, Excel, Outlook, and Teams
  • Maintain organized and auditable procurement files
MINIMUM QUALIFICATIONS, SKILLS, AND EDUCATIONAL REQUIREMENTS
 
Required:
  • Reading Comprehension – Ability to carefully review, interpret, and follow written instructions, contract documents, and technical material.
  • Microsoft Office Proficiency – Basic to intermediate ability with Word, Excel, Outlook, and PowerPoint for document drafting, spreadsheets, and communications.
  • Communication Skills – Strong verbal and written communication; able to interact professionally with colleagues, managers, and external partners.
  • Work Ethic & Mindset – Demonstrated reliability, willingness to learn, and the ability to stay focused on tasks in a deadline-driven environment.
  • 3–5+ years of experience in procurement or purchasing (federal, state, local, or private sector)
  • Experience in mid to high-volume PO environments
  • Working knowledge of:
    • FAR / DFARS
  • Experience in issuing and administering POs and COs
 
 
Skills & Competencies
  • Ability to manage multiple procurements under tight deadlines
  • Strong attention to detail and compliance mindset
  • Excellent communication and coordination skills
  • Strong analytical and problem-solving abilities
 
 
Preferred:
  • Familiarity with SBA 8(a), UCC, USACE/NAVFAC-type contracting
  • Solid understanding of procurement file documentation and compliance auditing
  • Preferred experience supporting DoD or federal prime contracts
  • Strong written/verbal communication and negotiation skills
  • Prior experience with construction or environmental contracting
  • Working knowledge of professional services agreements and service procurements
  • NCMA/ISM/NIGP certification
  • Degree preferred but not required 
 
 
PERFORMANCE EXPECTATIONS (First 90 Days)
  • By Day 90: Independently manage full-cycle Purchase Order process under minimal supervision
 
 
WORK ENVIRONMENT
  • Position located in Boulder, CO (in-office presence required)
  • Reports to Sr. Procurement Manager
  • Occasional overtime may be required to meet deadlines
 
This role is ideal for an early-career contracts or procurement professional ready to step into a dual-facing role supporting both field execution and corporate compliance across a diverse portfolio of federal contracts.
 
 

We are committed to a merit-based hiring process that values individual skills, qualifications, and performance. Our hiring practices comply with all applicable federal, state, and executive orders, including the recent Executive Order on Equal Opportunity Hiring.

About the Company

G

GSI Service Group

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