30 project assistant jobs at 22 companies in Wellington, CO

4w
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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
2w
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Assistant Project Manager
Cheyenne, Wyoming, United States
OnsiteFull Time
Prime Electric
Prime Electric: Provides electrical construction and maintenance services for commercial projects.
3+ YOEBachelor’s degree in construction management or related field and/or 3–5 years of electrical construction experience; requires estimating, scheduling, project systems, Microsoft Office, communication, and organizational skills.
Accubid, Microsoft Office
3mo
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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
3w
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Assistant Project Manager
Fort Collins or Cheyenne
$83k-$100k/yr OnsiteFull Time
RK Industries
RK Industries: Provides integrated construction, manufacturing and building maintenance services.
7+ YOECollege graduate with 7+ years relevant experience (or equivalent), experience supervising project teams, managing budgets, schedules, procurement, contracts, and project closeout.
2w
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2026-2027 Assistant Project Manager Colorado
Denver or Fort Collins
$74k-$230k/yr OnsiteFull Time
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: A general contractor delivering complex commercial construction projects.
3+ YOERequires 3+ years of construction industry experience, team management, scheduling, cost control, subcontractor coordination, project accounting, and strong communication skills.
Scheduling software
3w
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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
2w
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Assistant Project Manager - National Travel (May Grad)
Fort Collins or United States
$70k-$78k/yr FieldFull Time
Interstates
Interstates: Provides industrial electrical construction and automation engineering services.
May graduate with a degree in construction management, engineering, business, project management, or a related field; requires communication, organization, problem-solving, coachability, and willingness to travel.
RFI
2mo
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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
1mo
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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
2mo
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Infrastructure & Capital Projects – Assistant Construction Project Manager, ANS
Denver or Windsor or United States
$64k-$81k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
1+ YOEBachelor’s degree in architecture, civil engineering, construction management, environmental science, or equivalent; 1–2 years of construction project management experience and Microsoft Office, MS Project, or Primavera experience.
Microsoft Office Suite, Microsoft Project, Primavera
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
1mo
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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
1mo
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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.
2d
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Administrative Assistant
Cheyenne, Wyoming, United States
OnsiteFull Time
Ayres Associates
Ayres Associates: Providing engineering, architecture, and geospatial services for infrastructure projects.
Bachelor's degree in a related field or 5+ years of related experience; strong communication, writing, research, project management, organizational, confidentiality, and computer skills; valid driver's license required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Publisher, Adobe InDesign, Adobe, Deltek, CRM Software
2w
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Assistant Director of Lasorda Legacy Academy
Johnstown, Colorado, United States
$45k-$60k/yr OnsiteFull Time
Steel Partners
Steel Partners: A diversified holding providing industrial manufacturing and energy services.
Requires a high school diploma or GED, computer proficiency, strong communication skills, reliable transportation, flexibility, and ability to manage youth sports programs and meet deadlines.
social media
2w
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Assistant Director, Content & Operations
Boulder or Salt Lake City or Los Angeles or New York City
$80k-$90k/yr HybridFull Time
Sundance Institute
Sundance Institute: Supports independent artists through festivals and developmental programs.
7+ YOE5+ MgmtRequires 7 years managing digital platforms, 5 years in operations management, virtual team leadership, digital content production, workflow design, strong communication, and U.S. work authorization.
Adobe, Zoom, YouTube, Airtable, Asana, Google Suite, Stripe, NetSuite, Zoho Desk, CRM, content delivery networks
3w
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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
2mo
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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.
4w
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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
1w
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Wheat Quality Lab Research Assistant
Windsor, Colorado, United States
OnsiteFull Time
Limagrain
Limagrain: International agricultural cooperative specializing in seeds and cereal products.
Bachelor's degree in a relevant field, or an associate degree with equivalent experience. Requires laboratory techniques, communication, organization, equipment operation, troubleshooting, and project planning skills.
SKCS, NIR, mixograph, farinograph, extensograph