27 project assistant jobs at 22 companies in Pierce, CO

1w
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Assistant Project Manager- Project Controls
Cheyenne, Wyoming, United States
$102k-$138k/yr OnsiteFull Time
Mortenson
Mortenson: Provides construction, real estate development, and engineering services.
5+ YOEBachelor's in engineering or equivalent, 5+ years construction experience, driver\u0001s license, understanding of construction law, intermediate Microsoft Office and project application skills, ability to travel 100%.
Microsoft Office, project
2mo
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Assistant Project Manager - Boulder, CO
Boulder, Colorado, United States
OnsiteFull Time
Stellar
Stellar: Design-build firm providing integrated construction and engineering services.
Bachelor's degree in project management, business, engineering, or related field; CAPM advantageous; previous project management experience; travel ~25%; construction/industrial experience beneficial.
BIM, MS Office
4d
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Project Assistant
Fort Collins, Colorado, United States
$27-$36/hr HybridFull Time
MacKay Sposito
MacKay Sposito: Infrastructure and environmental services firm providing engineering and consulting.
2+ YOEAssociate's degree or equivalent experience, 2+ years relevant experience, proficiency with MS Office and Google Workspace, experience with Deltek VantagePoint, documentation/office equipment skills.
Microsoft Office, Google Workspace, Deltek VantagePoint
1mo
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Infrastructure & Capital Projects – Assistant Construction Project Manager, ANS
Denver or Windsor
$64k-$81k/yr OnsiteFull Time
Accenture Infrastructure & Capital Projects
Accenture Infrastructure & Capital ProjectsNYSE: ACN: Provides management and consulting for large infrastructure projects.
1+ YOEBachelor's degree in civil engineering, construction management, or environmental science; 1-2 years construction project management experience; 1-2 years using Microsoft Office, MS Project or Primavera; experience with budgeting, scheduling, contract administration, project coordination, and asbestos/abatement surveys.
Microsoft Office Suite, Microsoft Project, Primavera
1w
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Assistant Project Manager (APM) to Project Manager III
Keenesburg, Colorado, United States
$85k-$130k/yr HybridFull Time
Altitude Energy
Altitude Energy: A delivering electrical power construction projects across the western United States.
0+ YOEBachelor's degree or equivalent experience, valid driver's license and clean MVR, background/drug screen, Procore and Microsoft Office proficiency, Microsoft Project/Primavera scheduling, field and office construction experience in transmission/distribution.
Procore, Microsoft Office, Microsoft Project, Primavera
2d
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Assistant Project Manager - Innovations
Loveland, Colorado, United States
$76k-$107k/yr OnsiteFull Time
U.S. Engineering
U.S. Engineering: Provides mechanical construction, engineering, and facility maintenance services.
Experience with HVAC, piping, and plumbing at commercial/industrial/institutional levels; bachelor's degree preferred; technical or administrative construction experience; effective communication and problem-solving skills; some travel required.
1mo
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1678: Assistant Coordinator, CE Events and Hospitality
Fort Collins, Colorado, United States
$50k-$60k/yr OnsiteFull Time
Colorado State University
Colorado State University: Public research university offering undergraduate and graduate degree programs.
1+ YOEBachelor's in hospitality/event/project management or related; 1–3 years event/facility coordination and customer service experience; project management skills; fluency in Microsoft Office and Zoom; PMP preferred.
Monday.com, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Zoom
3w
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Project Remodel Specialist (Overnight) - Longmont, CO
Longmont, Colorado, United States
$21/hr OnsiteFull Time
Anderson Merchandisers
Anderson Merchandisers: Manages in-store product displays and inventory for retail brands.
High school diploma or equivalent; eligible to work in the U.S.; ability to lift up to 50 lbs frequently and assist with heavier lifts; retail or remodel experience preferred; able to read planograms; flexible schedule including nights, overnights, and weekends.
planogram, cordless drill
2w
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Executive Assistant
Fort Collins, Colorado, United States
$80k-$90k/yr HybridFull Time
Colorado State University Foundation
Colorado State University Foundation: Manages charitable funds and endowments for Colorado State University.
4+ YOEBachelor's degree, 4 years administrative experience, strong communication, project management, organization, confidentiality, and ability to work non-standard hours.
Microsoft Office, CRM
1w
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Right of Way Assistant Administrator 2026-01876
Cheyenne, Wyoming, United States
$7k-$8k/mo OnsiteFull Time
State of Wyoming
State of Wyoming: Provides government administration and public services for Wyoming residents.
1+ YOEBachelor's degree required; 1-3 years progressive experience in real estate/appraisal/acquisition or substitution with 4-7 years; knowledge of eminent domain, contracts, surveying, appraisal, and project/personnel management; preferred certifications in appraisal, surveying, or IRWA.
5d
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Administrative Assistant
Fort Collins, Colorado, United States
$34k/yr OnsiteFull Time
Colorado Early Colleges
Colorado Early Colleges: Operates public charter schools providing college-preparatory and degree programs.
Supports Head of School/Academic Dean with complex confidential administrative tasks, scheduling, communication, project coordination, and document preparation; associate or bachelor\u0002s degree preferred.
2d
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Executive Assistant
Fort Collins or Fort Collins or Loveland
$32-$38/hr HybridFull Time
Larimer County
Larimer County: Provides essential local government services to Larimer County residents.
5+ YOEFive years of directly related administrative experience; advanced Google Workspace skills; strong written and verbal communication; project management knowledge; ability to use AI-driven automation tools.
Gemini, NotebookLM, Google Workspace, Google Drive, Google Docs, Google Sheets, Google Slides, Google Forms
1mo
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Assistant Controller
Louisville, Colorado, United States
$115k-$135k/yr HybridFull Time
MasTec
MasTecNew York Stock Exchange: MTZ: Builds and maintains energy, communications, and utility infrastructure.
5+ YOEBachelor's degree required, 5+ years accounting experience, CPA preferred. Experience with project accounting, GAAP, SOX, ASC 606/842, InEight/Vista/Oracle ERP, and Microsoft Office. Experience supervising accounting staff.
Microsoft Office, InEight, Vista Software, Oracle ERP
1mo
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Assistant Controller
Louisville, Colorado, United States
$115k-$135k/yr HybridFull Time
MasTec
MasTecNYSE: MTZ: Infrastructure construction and engineering services for energy and communications.
5+ YOEBachelor's degree, 5+ years accounting experience (construction/project accounting preferred), CPA preferred, knowledge of ASC 606/842, GAAP and SOX compliance, internal controls, audits, and proficiency with InEight, Vista, Oracle ERP and Microsoft Office.
Microsoft Office Products, InEight, Vista Software, Oracle ERP
2d
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Construction Administrative Assistant - Cheyenne, WY (34251)
Cheyenne, Wyoming, United States
OnsiteFull Time
CEC
CECNasdaq: STRL: Specialty contractor providing electrical and mechanical infrastructure solutions.
1+ YOEProvide administrative and clerical support for special projects operations; track projects, maintain schedules and logs, process RFIs and change orders, manage documents, and coordinate meetings and travel.
Microsoft Office, Microsoft Excel
1mo
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Adult Services Assistant Manager
Cheyenne, Wyoming, United States
$53k-$66k/yr OnsiteFull Time
Laramie County Library System
Laramie County Library System: Public library system offering literacy resources and community programs.
2+ YOEMaster's in Library or Information Science (or equivalent experience), 2 years relevant experience, supervisory experience preferred, valid driver's license, strong project management, software proficiency, and excellent communication skills.
1w
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Loan Assistant - Longmont, Larkridge, Pueblo
Broomfield or Longmont or Pueblo
OnsiteFull Time
PB&T Bank
PB&T Bank: Colorado community bank offering personal and business financial services.
5+ YOE5+ years financial experience; knowledge of loan documentation, compliance, regulations, and risk management; advanced Microsoft Office skills; strong written/oral communication and project-management abilities.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Assistant Yard Manager - Seasonal 2026
Erie, Colorado, United States
$23/hr OnsiteSeasonal, Full Time
Anderson Farms
Anderson Farms: Operates an agritainment farm featuring seasonal festivals and attractions.
Manage staff and festival operations in an outdoor farm setting; must be 18+, able to lift up to 60 lbs, work varied daytime and evening shifts, and communicate with customers. Driver's license may be required.
1mo
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Assistant Manager-Construction
Cheyenne, Wyoming, United States
OnsiteFull Time
Tallgrass
Tallgrass: Provides midstream energy infrastructure and delivery services.
5+ YOEBachelor's in construction management/engineering (or equivalent experience), 5+ years construction management of large capital projects, EPC oversight experience, budget management for $100M+ projects, driver's license, Procore/Primavera P6 and Microsoft Office proficiency, strong leadership and safety focus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Microsoft Outlook, Procore, Primavera P6
1mo
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2026 University Hire (U.S.) - Project HR Representative
Cheyenne, Wyoming, United States
OnsiteFull Time
Bechtel
Bechtel: Designs and constructs large-scale industrial and infrastructure projects.
0+ YOEProvide day-to-day HR support, maintain accurate employee records, support onboarding/offboarding, assist with employee relations and performance processes; bachelor’s degree or equivalent experience preferred.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook