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Assistant Project Manager III

Job in Adelanto, San Bernardino County, California, 92031, USA
Listing for: Quanta Infrastructure Solutions Group
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Civil Engineering, Operations Manager
Job Description & How to Apply Below

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About Us

QISG leverages Quanta’s comprehensive resources to deliver collaborative solutions for our partners' energy infrastructure needs. We use in-house talent, expertise and resources to plan, design, engineer, manage, conduct maintenance on and construct projects.

Our turnkey service capabilities provide our customers with efficiency, consistency, attention to detail and safe execution. The QISG team brings together Engineering, Safety, Quality, Material Procurement, QA/QC, Right-of-Way Acquisition, Scheduling, Environmental Planning, Permitting, Title and Land Management expertise that ensure outstanding results for our clients.

About This Role

The Assistant Project Manager (APM I, II, III) will assist/support the Project Manager (PM) on project tasks as assigned, follow-up on deliverables, and review with the PM. This position will be responsible for the coordination of engineering, estimating, project controls, client presentations, procurement, and construction activities during the development and execution phase(s) of the project.

Work assignments may include supporting multiple projects concurrently. While not otherwise involved in project-specific work, the APM will support other project and proposal efforts, or may work with, or do rotations with the various operational support groups.

What You'll Do
  • Coordinates engineering, estimating, project controls, procurement, and construction activities during the development and execution phase(s) of the project
  • Assists PM in the development of the initial project schedule in conjunction with engineering, estimating, project controls, procurement, and construction management personnel
  • Participates in value engineering and constructability reviews
  • Works with procurement to develop subcontractor and vendor scopes of work and schedules exhibits to the contracts for review by PM before processing
  • Works with the appropriate Safety personnel on all safety-related issues, including but not limited to, development and implementation of the project-specific safety plan, reporting of incidents, and supporting the investigation of incidents
  • Assists the PM with project schedule and helps prepare monthly project review reports for the project management team and Senior Management
  • Supports project by conducting financial reviews and closeouts on a monthly basis
  • Assists with RFI submittals utilizing QISG’s document management system
  • Provides feedback to improve Quality of all technical, commercial, and administrative deliverables for projects
  • Assists in procurement of purchase orders and subcontract packages
  • Monitors progress of overall design, procurement, and construction of the project
  • Facilitates Project Close-Out and Warranty administration
  • Performs post-construction cost review and reporting and participates in lessons learned
  • Performs any other duties assigned by the PM, including acting as PM when PM is unavailable (when deemed qualified by PM/Operations Director)
  • Adheres to internal standards, policies, and procedures
What You'll Bring Required Experience and Education
  • Bachelor’s degree in Business, Construction Science/Management, Engineering, or equivalent field; equivalent work experience, or combination of work and education, may be substituted
  • 2+ years of construction project experience, including various aspects of construction planning and management including, but not limited to engineering, estimating, bidding, preparing, and administering purchase orders and subcontracts, scheduling, cost control, document control, etc.
Preferred Experience And Education
  • Prior experience in EPC/design build as well as the Power Delivery (substation, transmission & distribution) industry
Skills
  • Self-starter
  • Ability to work well independently, as well as part of a team
  • Strong problem evaluation/solving skills
  • Understanding of the project design process for projects
  • Understanding of integrated EPC process
  • Understanding of construction means and methods
  • Ability to interact effectively and professionally with other team members
  • Strong computer skills (Microsoft Office and Procore)
  • Str…
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