Pre-Construction Manager

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

Quanta Infrastructure Solutions Group, LLC (QISG), a Quanta Services, Inc. company (NYSE: PWR) is looking for a Pre-Construction Manager who is a commercially focused, hands-on role embedded within QISG's operational organization, responsible for driving the commercial maturation of a project from award through full execution. Working alongside other Quanta operating companies and QISG's fully staffed PMO, which handles schedule development, contract deliverable tracking, RFI management, subcontractor coordination, and field execution, this role does not duplicate those functions. Instead, it receives and interprets PMO outputs (design progress, procurement status, schedule updates, change events, and cost data) to build and maintain the progressive EPC estimate and own the open-to-closed book process on behalf of the project.

This role serves as the commercial engine that converts project information into updated scope positions, refined estimates, and ultimately a closed book GMP or lump sum that both QISG and the owner can stand behind, acting as the primary interface between what the PMO knows and what the contract needs to reflect. Depending on scope and complexity, this individual may be assigned to a single client relationship, a specific project, or a portfolio of concurrent efforts at varying stages of commercial development.

What You'll Do

Duties & Responsibilities

Progressive EPC Estimating

• Assembles and maintains the progressive EPC estimate throughout the pre-construction phase, incorporating updated design information, procurement pricing, and schedule inputs from the PMO as they become available
• Develops a comprehensive basis of estimate at each stage of the open-to-closed book process, including assumptions, inclusions, exclusions, qualifications, and risk allowances that accurately reflect the current state of design and procurement
• Reviews vendor and subcontractor proposals, quotes, and procurement data through a commercial lens to validate pricing and ensure alignment with the scoped work and specification requirements
• Applies current knowledge of labor, material, and equipment market conditions to ensure estimates are competitive, realistic, and reflective of actual market exposure
• Participates in value engineering and constructability reviews as a commercial stakeholder, evaluating scope or design alternatives for their cost and schedule impact on the estimate

Open-to-Closed Book Management

• Owns the commercial maturation of the project from open book estimate through GMP or lump sum close, maintaining a current and defensible cost position at each stage of the process
• Receives design progress reports, procurement status updates, schedule information, and change event data from the PMO and translates these inputs into updated scope, cost, and risk positions within the estimate
• Identifies gaps, unknowns, and unresolved scope items that represent commercial risk, and works with the PMO and Engineering to drive resolution ahead of book close
• Builds the GMP or lump sum position when design and procurement data is sufficient to support it, establishing the closed book baseline that the execution team will carry forward

Owner Alignment & Change Management

• Serves as the primary commercial interface with the owner during the pre-construction phase, ensuring the client understands the current scope and cost position and how it has evolved from the original award
• Manages the owner change order process during pre-construction, ensuring that all scope additions, deletions, and owner-directed changes are captured, priced, and formally incorporated into the updated contract position and estimate
• Facilitates milestone gate reviews and approval meetings with the owner, presenting updated scope, schedule, and cost positions in a clear and structured manner
• Maintains alignment between owner expectations and project realities as design matures, proactively surfacing commercial issues before they become contractual disputes

PMO Information Integration & Teaming Partner Relationships

• Establishes a regular cadence with the PMO to receive schedule updates, design release status, procurement commitments, and change event logs that inform and update the progressive estimate
• Works closely with the project scheduler to understand critical path impacts and procurement-driven schedule constraints that affect the cost model
• Coordinates with the Project Manager to ensure that commercial decisions made during pre-construction are reflected in the project's baseline and communicated to the execution team
• Participates in design reviews, procurement meetings, and project status calls as a receiver of information, not as a manager of those processes, ensuring the estimate stays current with project developments
• Develops and maintains productive working relationships with design teaming partners, ensuring timely access to design deliverables and clear communication of commercial implications as design progresses

Transition to Execution

• Leads the commercial handoff to the execution team, delivering a complete and current package that includes the closed book estimate, basis of estimate, assumptions log, risk register, pending change log, and owner alignment documentation
• Ensures the Project Manager and project team understand the commercial baseline they are inheriting, including where risks remain open and what assumptions are embedded in the budget
• Captures lessons learned from the open-to-closed book process and contributes to continuous improvement of QISG's pre-construction practices and estimating methodologies
• Adheres to QISG's internal standards, policies, and operational procedures across all pre-construction and commercial development activities
• Performs other duties as assigned

What You'll Bring

Required Experience and Education

• Bachelor's degree in Engineering, Construction Management, or a related field; equivalent combination of education and demonstrated experience will be considered
• 7+ years of progressive experience in EPC or design-build project delivery, with direct, hands-on involvement in EPC estimating and the open-to-closed book commercial development process
• Demonstrated experience assembling EPC estimates across multiple stages of design maturity, including conceptual, progressive design release, and final GMP or lump sum development
• Direct experience with open book estimate management, GMP development, and lump sum conversion in a post-award, progressive EPC environment
• Working knowledge of current labor, material, and equipment market conditions and the ability to apply that knowledge to produce competitive and realistic cost positions
• Experience on substation, transmission, or utility-scale infrastructure projects strongly preferred; candidates with relevant heavy civil or industrial EPC experience will be considered
• Familiarity with integrated project schedules and the ability to read and interpret schedule outputs as they relate to cost and commercial exposure
• Experience working alongside or within a structured PMO environment, with a clear understanding of how project controls, scheduling, and contract management functions operate

Skills and Competencies

• Strong estimating instincts with the ability to synthesize inputs from multiple sources (design packages, procurement pricing, schedule data, and market conditions) into a coherent and current EPC cost position
• Strong written and verbal communication skills, with the ability to present complex scope, cost, and contract information clearly to both internal teams and owner stakeholders
• Comfortable operating in ambiguous, evolving contract environments where scope and pricing are not yet fixed and commercial judgment is required
• Collaborative and organizationally aware, able to work effectively alongside a PMO without duplicating or competing with established project management functions
• Proficient in Microsoft Office Suite (Word, Excel, Project); Primavera P6 experience preferred for schedule interpretation
• Commitment to QISG's values of safety, integrity, quality, and continuous improvement

Travel Requirements

• Travel: Yes
• Percent of Time: Up to 50%, or as project needs require

What You'll Get

• Competitive Compensation
• Comprehensive Health Coverage - Multiple Medical, dental & vision plans with 100% preventive care
• 24/7 telehealth (Teladoc)
• Employee Assistance Program (EAP)
• Company-funded HSA and pre-tax savings options
• 401(k) Retirement Plan
• No-cost Short- and Long-term Disability
• Employer-paid basic Life & AD&D Insurance
• Paid Time off (PTO) and 10 Paid Holidays
• Paid Parental leave
• Education Reimbursement and Professional Development
• Employee discount program and optional insurance offerings:

• • Identity Theft Protection
  • Accident Insurance
  • Voluntary Life (spouse and child)
  • Critical Illness
  • Hospital Indemnity
  • Pet Insurance

Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.

We are an Equal Opportunity Employer, including disability and protected veteran status.


We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company's Human Resources department.