Buyer
GSI Service Group, Inc., Boulder, CO, United States
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.
#J-18808-Ljbffr
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.
#J-18808-Ljbffr