Sr. Estimator
Quanta Services · Texas
📍 Channelview, TXvia icimsPosted 2026-08-05
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About Us
NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation.
NorthStar possesses the skills and expertise to self-perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications.
Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us.
About this Role
NorthStar Energy Services is seeking an experienced Senior Estimator to join our team in the Channelview, TX office. This role will support estimating efforts for industrial projects within the Oil & Gas midstream and downstream sectors, with a strong emphasis on mechanical and piping scopes, as well as civil and structural work.
The Senior Estimator will play a key role in developing accurate, competitive cost estimates for EPC and design-build projects. This position requires a deep understanding of industrial construction methods, material takeoffs, labor productivity, and cost controls.
What You'll Do
Prepare detailed cost estimates for civil, structural, and mechanical construction scopes, with primary emphasis on piping and mechanical systems
Perform quantity takeoffs and develop labor, material, and equipment pricing using Trimble Accubid and Microsoft Excel
Review drawings, specifications, and scope documents to ensure accurate and complete estimates
Collaborate with project management, engineering, and construction teams to validate assumptions and execution strategies
Develop pricing for lump sum, unit rate, and time-and-materials proposals
Develop construction schedules in Microsoft Project
Analyze subcontractor and vendor quotes, ensuring alignment with project scope and estimating standards
Identify project risks, exclusions, and value-engineering opportunities
Support bid reviews, estimate reconciliations, and post-bid handoff meetings
Maintain estimating databases, historical cost data, and productivity benchmarks
What You'll Bring
Bachelor’s degree in Construction Management, Engineering, or related field. OR 10 years experience in lieu of degree.
10+ years of estimating experience in industrial construction, with a strong focus on mechanical/piping scopes
Proven experience estimating midstream and downstream Oil & Gas projects (terminals, plants, pipelines, facilities)
Strong working knowledge of civil and structural construction methods and cost drivers
Advanced proficiency with Trimble Accubid and Microsoft Excel
Ability to interpret P&IDs, isometrics, civil drawings, and structural plans
Strong analytical, organizational, and communication skills
Experience supporting EPC or design-build project delivery models, preferred
Minimal travel for pre-bid site visits.
What You'll Get
As a Quanta Services employee, we offer a wide range of benefits to fit your needs.
401(k) with immediate matching and vesting
Fully comprehensive benefits packages; Medical, Dental, Vision
Your choice of PPO, HSA, FSA
Short term and long term benefits
Employee discounts on consumer goods
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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.
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