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48 construction assistant jobs at 33 companies in Oregon

2mo
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Electrical Construction Assistant Project Manager
Boardman, Oregon, United States
$80k-$125k/yr OnsiteFull Time
EC Electric
EC Electric: Providing electrical and technical systems for complex infrastructure projects.
Coordinate project documentation, assist with PM duties, and support electrical construction activities.
Viewpoint, RFIs, Submittals
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3d
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Construction Intern
Portland, Oregon, United States
OnsiteInternship
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: A construction contracting providing building and project management services.
Open to undergraduate students; assists project teams in office and jobsite tasks across bidding to completion; 10-12 week, 40 hr/week assignments; transportation required; may require relocation.
Primavera, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook, Microsoft Exchange
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2mo
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Construction Manufacturing Assistant - Limited Duration 26-27 School Year
Lane County, Oregon, United States
$21-$30/hr OnsiteFull Time
Lane Education Service District
Lane Education Service District: Provides regional educational support services to public school districts.
0+ YOEAssist CTE teacher with instructional activities in manufacturing/construction trades; support student intake, advising, attendance; maintain records; liaise with districts; supervise students in factory setting; help prepare materials and equipment; ensure safety and inclusivity.
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3w
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Construction Laborer and Equipment Operator (520060)
Oregon, United States
OnsiteFull Time
CRH
CRHNYSE: CRH: Manufactures and distributes diversified building materials and construction products.
Operate construction equipment safely, perform minor maintenance, assist labor crew, use hand and power tools, keep records, follow safety and barricading procedures; valid driver's license required; high school/GED preferred; subject to drug and physical agility testing.
Inventory and Order processing systems, job specific computer system for ticketing, two way radio, hand and power tools
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1mo
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Construction Accountant\Administrative Assistant
Salem, Oregon, United States
OnsiteFull Time
Bonaventure Senior Living
Bonaventure Senior Living: Operates senior living communities offering assisted and independent living.
Experience in accounting and administrative support for construction projects; strong Excel and Microsoft Office skills; organizational, problem-solving, and interpersonal skills; high school diploma minimum; pass background and drug screen; English required.
Microsoft Excel, Microsoft Office
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3mo
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Construction Site Security Officer
Hermiston, Oregon, United States
$19/hr OnsiteFull Time, Part Time
First Coast Security
First Coast Security: Provides physical security, access control, and facility protection services.
Unarmed security officer on construction site; monitor access, patrol, report hazards, assist workers; must obtain security license and CPR certification; 18+; English proficient; able to lift up to 40 lbs; pass background checks.
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4w
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Assistant Project Manager - Data Center Construction
Los Lunas or Denver or Chicago or Seattle or Portland or Washington
$102k-$138k/yr FieldFull Time
Mortenson
Mortenson: Provides construction, real estate development, and engineering services.
5+ YOEBachelor's in construction/civil/architectural engineering or construction management (or equivalent experience), minimum 5 years related experience, valid driver’s license, Microsoft Office proficiency, and ability to travel up to 100%.
Microsoft Office
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1mo
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Assistant Project Manager (Multifamily Construction)
Portland or Gresham
$105k-$140k/yr OnsiteFull Time
American Capital Group
American Capital Group: Developing and managing multifamily residential real estate communities.
4+ YOE4+ years in multifamily construction with certification or degree; 8+ years without certification or degree; degree preferred; Proficient in AutoCAD, project management software, MS Office; strong communication and teamwork; English fluency.
AutoCAD, Project Management Software, Microsoft Office
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1w
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Real Estate, Construction & Design Practice Assistant (Legal Assistant/Secretary)
Portland, Oregon, United States
$56k-$94k/yr HybridFull Time
Stoel Rives
Stoel Rives: Provides legal representation and advisory services to business clients.
3+ YOEHigh school diploma/GED, 3+ years legal administrative experience (litigation, real estate, or construction defect), 60+ wpm typing, Microsoft Office proficiency, confidentiality, strong proofreading and communication skills; familiarity with law firm software preferred.
Microsoft Office, iManage, Adobe Acrobat, Emburse, Carpe Diem, Aderant, Intapp, Rendezvous, Visio, AIA, WestlawNext, WestCheck, Box, Workshare Compare, Metadata Assistant, InterAction
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2mo
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Jr Engineer Construction
Portland, Oregon, United States
$25-$35/hr OnsiteFull Time
Tomarco Contractor Specialties
Tomarco Contractor Specialties: Manufactures engineered fastening and seismic bracing systems for construction.
0+ YOECollege degree in engineering; EIT completed or in process; assist lead; basic drafting with AutoCAD/Revit; must pass background check.
AutoCAD, Revit, Navisworks
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2d
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Project Assistant
Portland, Oregon, United States
OnsiteFull Time
Performance Contracting Group
Performance Contracting Group: Provides national specialty construction, insulation, and environmental abatement services.
Enrollment or recent graduation in construction-related degree, proficiency with Microsoft Office/Excel and Bluebeam, ability to read drawings/specifications, strong communication, multitasking, and problem-solving skills.
Microsoft Office, Microsoft Excel, Microsoft Word, Bluebeam
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2w
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Assistant Estimator
Oregon, United States
$55k-$65k/yr OnsiteFull Time
Permasteelisa
Permasteelisa: Designs, manufactures, and installs architectural building envelopes and facades.
Support estimating team with blueprint analysis, detailed takeoffs, cost and materials estimates; familiarity with construction documents; working knowledge of AutoCAD, Revit, Bluebeam, and Microsoft Office; degree in related field preferred.
AutoCAD, Revit, Bluebeam, Microsoft Office
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6d
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Assistant Project Superintendent
Lake Oswego or Portland
OnsiteFull Time
Essex General Construction
Essex General Construction: Commercial general contractor providing construction and management services.
Assisting the project superintendent, overseeing in‑field construction, coordinating subcontractor work across trades on a single project.
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3w
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Assistant Site Manager, MEP
Phoenix or Fullerton or Issaquah or Hermiston or Portland or Seattle or Boise or Denver or Dallas or Reno or Lexington
FieldFull Time
Gray
Gray: Integrated design-build construction services for industrial facilities.
5+ YOEAssociate's degree or equivalent and 5+ years related MEP/construction experience; supervisory experience; basic computer skills; able to lift up to 100 lbs; willing to travel nationally and occasionally internationally.
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1mo
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Field Assistant - Michels Utility Service, Inc.
Baker City or Billings or Mandan or Miles City or Rapid City
FieldFull Time
Michels
Michels: Provides global energy, utility, and infrastructure construction services.
Collect and document information for gas mains and services, assist crew members, strong communication skills, proficiency in Microsoft Office (Excel) and Adobe, valid driver's license; GIS experience desired.
Microsoft Office Suite, Microsoft Excel, Adobe Platforms, GIS platforms
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2w
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Instructional Assistant - CTEC Construction and Home Design, 2026-27 - Career and Technical ED Center
Salem or Keizer
$20-$26/hr OnsiteFull Time
Salem-Keizer Public Schools
Salem-Keizer Public Schools: Operates public K-12 schools in Salem and Keizer, Oregon.
Experience in residential or commercial construction and home design; skills in job site safety, wall layout, framing, siding, roofing, electrical, plumbing, interior finishing; Revit and Blue Beam software desired.
Revit, Blue Beam
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2w
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Traveling Driller Assistant
Puyallup or Clackamas
$23-$25/hr FieldFull Time
Cascade Environmental
Cascade Environmental: Providing environmental drilling and site remediation services.
0+ YOEPass drug and background screen, valid driver's license and clean MVR, interstate DOT medical card, HAZWOPER physical; ability to lift up to 50 lbs; CDL A preferred but not required.
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1mo
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Assistant Project Manager
Canby, Oregon, United States
HybridFull Time
Wilson Construction
Wilson ConstructionNYSE: PWR: Builds and maintains critical electrical utility infrastructure.
0+ YOEEntry-level assistant project manager with degree in construction/engineering or related experience; strong MS Office; project scheduling knowledge a plus; valid driver license.
Microsoft Office, Microsoft Project, Primavera P6, Excel, Outlook
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2w
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Assistant Controller
Portland, Oregon, United States
OnsiteFull Time
Colas Construction
Colas Construction: Provides general contracting services for commercial and community-focused projects.
5+ YOEBachelor's in Accounting/Finance required; 5+ years construction accounting experience; strong GAAP, ASC 606/842 knowledge; AP and WIP management; multi-entity close and consolidation; staff management and ERP proficiency.
Foundation, Viewpoint, Sage, Acumatica Construction
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1w
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Legal Administrative Assistant
Lake Oswego or Portland or Oregon
$65k-$80k/yr OnsiteFull Time
Hoffman Construction Company
Hoffman Construction Company: General contractor specializing in large-scale and complex construction projects.
2+ YOEHigh school diploma required (bachelor's preferred), minimum 2 years office experience (legal/construction preferred), proficiency with Microsoft Office, Relativity, Access, SharePoint; strong organization, communication, confidentiality, and attention to detail.
Microsoft Windows, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Access, Relativity, Microsoft SharePoint, DocuSign, AIA
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