Sr. Estimator

About Us

North Star Energy Services is a Quanta Services, Inc. (NYSE:

PWR) company based in Channelview, TX, providing engineering, design, procurement, construction, and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage, and terminal industries nationwide. We offer both individual project services and turnkey EPC project implementation, with expertise in civil, structural, mechanical, piping, electrical, and instrumentation systems across diverse industrial applications.

We value drive, inclusion, and career development, rewarding excellence and recognizing unique contributions. Join us to help power modern life.

North Star Energy Services is seeking an experienced Senior Estimator in the Channelview, TX office to support estimating efforts for industrial projects in the Oil & Gas midstream and downstream sectors, emphasizing mechanical, piping, civil, and structural work.

The Senior Estimator will develop accurate, competitive cost estimates for EPC and design-build projects, requiring deep knowledge of construction methods, material takeoffs, labor productivity, and cost controls.

• 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.
• Create 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.

• Bachelor’s degree in Construction Management, Engineering, or related field, or 10 years of experience in lieu of a 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.

As a Quanta Services employee, we offer a comprehensive benefits package, including:

• 401(k) with immediate matching and vesting.
• Medical, dental, vision coverage.
• Your choice of PPO, HSA, FSA.
• Short-term and long-term benefits.
• Employee discounts on consumer goods.

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 any other basis protected by applicable federal, state, or local law. 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 the Company’s Human Resources department.