Senior Construction Cost Estimator

About the role

ProSidian seeks a Senior Construction Cost Estimator | Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] for Program Support on an Exempt 1099 Contract: No Overtime Pay Basis for Remote (within USA - W/ On-Site Meetings Expected) in the Northeastern United States | New York | Long Island | Suffolk County | North America Area (Brookhaven National Laboratory (BNL), Upton, New York, United States).

This role is for a Contract Contingent, Exempt 1099 Contract: No Overtime Pay Senior Construction Cost Estimator [P1BSA009] Professional, generally located at the Brookhaven National Laboratory (BNL), Upton, New York, United States, Across The Northeastern United States | New York | Long Island | Suffolk County | North America Region, supporting a Federal laboratory environment supporting complex accelerator infrastructure, scientific research, procurement, and construction oversight.

With STD Work/Job Site (Office) Language(s) as English, the Senior Construction Cost Estimator | Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] [P1BSA009] aligns with GSA Labor Category: Senior Cost Estimator. This role shall be principally focused on 541330 - Engineering Services Program Support for Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services]

We seek Senior Construction Cost Estimator candidates. This is a Contract Contingent or Contract W-2 (IRS-1099) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Functional Area / Swim Lane / Category Discipline Professional - Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Position; however, ProSidian reserves the right to convert to a Full-Time ProSidian employed W-2 Position.

Senior Construction Cost Estimator | Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] [P1BSA009].

The Senior Cost Estimator role(s) are located in the Northeastern United States | New York | Long Island | Suffolk County | North America Region, at or near Brookhaven National Laboratory (BNL), Upton, New York, United States, and initially identified Work Site Address: Remote (within USA - W/ On-Site Meetings Expected) - Geo Code Address: 8 Rochester Street, Upton, NY 11973, USA.

Job Overview

The Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate (A-E Cost Estimation Services) is a specialized Architect-Engineer (A-E) consulting service that develops an independent, detailed construction cost estimate to verify the accuracy, completeness, and reasonableness of projected construction costs for infrastructure supporting the Electron-Ion Collider (EIC) at Brookhaven National Laboratory.

Where It Is Relevant: The project is located at Brookhaven National Laboratory (BNL) in Upton, Long Island, New York, operated by Brookhaven Science Associates, LLC (BSA) for the U.S. Department of Energy (DOE). The services apply specifically to New York State Work Package No. 02, covering construction of support buildings, foundations, electrical distribution systems, process cooling infrastructure, underground utilities, tunnel connections, and related site improvements.

Why It Is Important: The Electron-Ion Collider is a major scientific research facility designed to investigate the internal structure of protons and atomic nuclei. Its specialized infrastructure requires substantial construction investment and precise cost planning. An independent estimate provides an objective assessment of construction pricing, identifies discrepancies and potential cost risks, and helps ensure that proposed contractor pricing is fair, reasonable, and aligned with the approved engineering design before construction contracts are awarded.

The ProSidian Engagement Team would review 100% detailed engineering drawings and specifications, calculate construction material quantities, validate labor and equipment costs, develop an AACE Class 1 construction cost estimate, and reconcile differences with the project Architect-Engineer and BSA.

Expected Outcome(s) include, but are not limited to, a documented, defensible, independently validated construction cost estimate that strengthens procurement decisions, improves budget accountability, reduces pricing uncertainty, and supports cost-effective delivery of EIC infrastructure.

Delivers independent construction cost estimates, validates pricing, reconciles discrepancies, and ensures cost-effective infrastructure project execution.

The Senior Construction Cost Estimator Core Duties

Technical lead; AACE Class 1 ICE, BOE, pricing methodology, integrated quantity/cost estimates, vendor quote verification, cost reconciliation,

Serve as a Senior Cost Estimator/Cost Engineer with direct PWS-basis functional coverage for Estimate classification; quantified takeoffs; rates/crew productivity; indexes/markups; reconciliation spreadsheets and Measurement; evaluation; technical execution; data synthesis; quality as Lead technical key person; certification/qualifying experience to confirm.

The Senior Construction Cost Estimator shall principally focus on requirements to provide EN | Engineering Solutions - Independent Cost Estimating | Build a defensible, detailed Class 1 construction estimate that validates pricing and supports confident contract awards.

Client Environment: Federal laboratory environment supporting complex accelerator infrastructure, scientific research, procurement, and construction oversight.

Provide Energy, Science, and Technology Research Sector related EN | Engineering Solutions for Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] on behalf of the U.S. Department of Energy, Brookhaven Science Associates, LLC (BSA) / Brookhaven National Laboratory Procurement & Property Management Division (DOE | BSA) primarily in the Northeastern United States | New York | Long Island | Suffolk County | North America Region (Of Country/World) (Occasional Travel May Be Required).

This is a Contract Contingent or Contract W-2 (IRS-1099) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Functional Area / Swim Lane / Category Discipline Professional - Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Position; however, ProSidian reserves the right to convert to a Full-Time ProSidian-employed W-2 Position.

This position aligns with functional and technical requirements in the Energy, Science, and Technology Research Sector, and Senior Construction Cost Estimator Candidates principally support Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Functional Area / Swim Lane / Category Disciplines.

Responsibilities and Duties

Provide Energy, Science, and Technology Research Sector related Remote (within USA - W/ On-Site Meetings Expected) Engineering Services for Electron-Ion Collider (EIC) Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] as a Labor Category: Senior Cost Estimator with activities generally located Northeastern United States | New York | Long Island | Suffolk County | North America | Northeastern United States | New York | Long Island | Suffolk County | North America Brookhaven National Laboratory (BNL), Upton, New York, United States.

Lead the independent AACE Class 1 estimate for Work Package 02 base work and add-alternates; establish WBS, estimate basis, at-year-dollar assumptions, construction cost index, escalation and contingency; integrate discipline takeoffs; verify material/equipment quotations, crew labor rates, productivity and markups; lead virtual reconciliation, develop comparison spreadsheet, document quantified adjustments; review/approve estimate deliverables and support BNL site walkdown.

Qualifications & Requirements

Desired Qualifications For Senior Construction Cost Estimator | Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] [P1BSA009] Candidates:

Recommended 10-15+ years in detailed vertical/infrastructure construction cost estimating, including 5+ years leading complex, multidisciplinary estimates; experience with 100% design packages, AACE estimate classification, large capital projects and third-party estimate reconciliation. Source indicates at least one qualifying senior estimator and three relevant estimates over $75M as bid qualifications; confirm the exact certification/experience threshold in the solicitation.

Education / Experience Requirements / Qualifications

Bachelor's in Construction Management, Civil/Mechanical/Electrical Engineering, Quantity Surveying, or closely related field; equivalent deep estimating experience where permitted. AACE CCP or CEP strongly recommended; verify the required credential against actual bid instructions. PE is an advantage, not required.

Recommended 10-15+ years in detailed vertical/infrastructure construction cost estimating, including 5+ years leading complex, multidisciplinary estimates; experience with 100% design packages, AACE estimate classification, large capital projects and third-party estimate reconciliation. The source indicates at least one qualifying senior estimator and three relevant estimates over $75M as bid qualifications; the exact certification/experience threshold must be confirmed in the solicitation.

Skills Required

Primarily focused on Engineering Services initiatives and aligned with Program Support activities: Project Infrastructure Independent Construction Cost Estimate [A-E Cost Estimation Services] Functional Area Activities.

Aace

Class 1 cost estimating; quantity takeoffs; CSI/Master Format and WBS coding; Excel/estimating software; unit-cost builds; vendor quotations; contractor indirects and allowances; labor productivity; BOE drafting; cost index and escalation; cost-reconciliation analysis.

Competencies Required

• Independent judgment; analytical rigor; traceability; professional challenge and negotiation; multidisciplinary integration; concise technical writing; quality control; deadline management.

Ancillary Details Of The Roles

• Work package focus: Base buildings 1001A/1003A/1007A/1009A/1011A, plus alternates 1005F/1006K/1006G/1004G and shared systems.
• Deliverables: initial estimate within four weeks of buyer input; updated estimate after review; final reconciliation update, detailed backup, and Excel-compatible estimate output.
• Standard Skills Required: Proficiency in project management methodologies and tools. | Exceptional leadership and interpersonal skills for effective team management. | Outstanding time management and prioritization abilities to meet project milestones. | Adaptability to changing project requirements and priorities. | Ability to multitask and pay close attention to detail. | Excellent analytical, organizational, and time management skills. | Strong oral and written communication skills.
• EEO Statement: We attract the best people in the industry, supporting their efforts to learn and grow. We strive to create a challenging and progressive work environment. We provide career opportunities spanning various disciplines and geographic locations, with projects that our employees plan, design, build, and operate as diverse as our clients' needs.
• Full-time Regular VISA Sponsorship: No. We will not support sponsorship (i.e., H-1B or TN Visas) for this position. U.S. Citizenship Required: You must be a United States Citizen
• Background Check and Drug Testing: ProSidian reserves the right to require background checks, including criminal, employment, education, licensure, etc., as well as credit and motor vehicle, when applicable for certain positions. In addition, ProSidian may conduct drug testing for designated positions. Standard Skills Required: Proficiency in project management methodologies and tools. | Exceptional leadership and interpersonal skills for effective team management. | Outstanding time management and prioritization abilities to meet project milestones. | Adaptability to changing project requirements and priorities. | Ability to multitask and pay close attention to detail. | Excellent analytical, organizational, and time management skills. | Strong oral and written communication skills.
• Background Check and Drug Testing: ProSidian reserves the right to require background checks, including criminal, employment, education, licensure, etc., as well as credit and motor vehicle, when applicable for certain positions. In addition, ProSidian may conduct drug testing for designated positions.

Other Details

• Key technical lead; anticipated 10-week fixed-price assignment with at least one BNL walkdown and virtual reconciliation.
• Maintain estimate independence from A/E and prospective construction bidders.
• Exact software, credential, and submission requirements will depend on buyer direction.

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Benefits

Additional Information: Our Corporate Benefits Policy and Philosophy:

ProSidian's Corporate Benefits Policy and Philosophy highlight the company's support for Eligible Employees through health, financial, work-life, and professional development benefits.

Depending on employment type, location, role, client, laws, and plan terms, offerings include medical, dental, vision coverage; assistance programs; paid time off; insurance; retirement plans; flexible spending; education opportunities; recognition bonuses; discounts; and flexible work arrangements. These promote wellness, financial stability, ongoing learning, and work-life balance.

• ProSidian administers these benefits in line with legal, regulatory, contract, insurance, and business standards, with detailed plan documents. This creates a competitive, sustainable environment for employee growth, contribution, and shared success.
• ProSidian's Employee Benefits Program Is Designed Around Four Core Priorities.

• Health and Well-Being: We support employee access to healthcare, preventive services, wellness resources, and programs that help Eligible Employees care for themselves and their families.
• Financial Security: We provide programs designed to help Eligible Employees protect income, prepare for retirement, manage eligible expenses, and strengthen long-term financial resilience.
• Work-Life Effectiveness: We recognize the importance of appropriate time away from work, flexibility where practicable, and resources that help Eligible Employees balance professional and personal responsibilities.
• Professional Growth: We encourage continuous learning, technical development, leadership, recognition, and opportunities for Eligible Employees to expand their capabilities and careers.

All ProSidian Engagement Teams set, manage, pursue, and achieve annual goals across ProSidian's eight core competencies: Personal Effectiveness, Continuous Learning, Leadership, Client Service, Business Management, Business Development, Technical Expertise, and Innovation & Knowledge Sharing (Thought Leadership). They should support business development activities.

A Global Competency includes the knowledge, skills, behaviors, and judgment needed to work effectively across industries, cultures, locations, and clients. These standards apply to CONUS and OCONUS teams: the same competencies guide operations, leadership, problem-solving, and value addition.

For engagement teams, these skills involve owning commitments, collaborating, understanding client needs, managing resources, identifying value, exercising judgment, and sharing knowledge. They set expectations, foster growth, and ensure smooth execution. For clients, these skills enable responsive service, informed advice, disciplined delivery, and solutions fostering long-term growth.

Applying these competencies builds trust, adaptability, and client success-delivering clarity, insight, and impact.