Project Estimator / Scheduler

Tallgrass; Houston (TX); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Health insurance

401(k) with match

Paid time off

Tuition reimbursement

Life insurance

Annual discretionary bonus

Job summary

Tallgrass is seeking an experienced Estimator / Scheduler in Houston to develop, maintain, and analyze cost estimates and project schedules for large-scale EPC projects. The role collaborates with engineering, procurement, and construction teams to support controls, proposals, and execution of complex projects.

Ideal candidates have 10+ years in cost estimating and scheduling, proficiency in Primavera P6 and MS Project, and a strong background in project controls, risk management, and CPM/EVM

Qualifications

• BS/BA in Business, Engineering, or related field.
• 10+ years in cost estimating and project scheduling for large EPC projects.
• Experience with Major Projects with USD 1B+ portfolio.
• Proficient in Primavera P6 and MS Project.
• Knowledge of EPC contracts, procurement strategies, and standards.

Responsibilities

• Lead development of comprehensive cost estimates (FEL 1–2 and detailed) from concept to execution.
• Analyze scope, terrain, env factors and schedule impacts to ensure reliable estimates.
• Prepare take-offs and direct cost estimates (labor, materials, equipment).
• Maintain cost databases and use historical data to improve accuracy.
• Review bids for compliance with scope and financial expectations.
• Develop and update detailed project schedules using Primavera P6 and MS Project.

Skills

Cost estimating

Project scheduling

Primavera P6

Microsoft Project

Data analysis

Education

BS/BA in Business or Engineering

Tools

Primavera P6

Microsoft Project

Excel

Job description

JOB DESCRIPTION

The Estimator / Scheduler is responsible for developing, maintaining, and analyzing cost estimates and project schedules for large-scale EPC projects. This role ensures that project timelines and budgets are accurate, competitive, and aligned with project scope, industry standards, and market conditions. The Estimator Scheduler collaborates closely with engineering, procurement, and construction teams, supporting project controls, proposal efforts, and the successful execution of complex projects.

Primary Purpose

The Estimator / Scheduler is responsible for developing, maintaining, and analyzing cost estimates and project schedules for large-scale EPC projects. This role ensures that project timelines and budgets are accurate, competitive, and aligned with project scope, industry standards, and market conditions. The Estimator Scheduler collaborates closely with engineering, procurement, and construction teams, supporting project controls, proposal efforts, and the successful execution of complex projects.

Responsibilities

Essential duties and responsibilities

Cost Estimating

• Lead the development of comprehensive cost estimates (FEL 1, FEL 2, and detailed estimates) from concept through execution.
• Analyze project scope, route complexity, terrain, environmental factors, and schedule impacts to produce reliable estimates.
• Prepare quality take-offs, labor, material, equipment, and other direct cost estimates.
• Maintain and update cost databases, utilize historical data to improve estimate accuracy.
• Review vendor and contractor bids for compliance with project scope and financial expectations.
• Prepare and deliver presentations to communicate project proposals, estimates, and status updates to stakeholders.
• Identify and analyze factors influencing cost, including direct and indirect cost, and review these findings with upper management to support decision-making.
• Compile and review engineering reports, ensuring all scope elements are properly included.

Schedule Development & Management

• Develop, maintain, and update detailed project schedules using Primavera P6, OPC and Microsoft Project.
• Coordinate with engineering, procurement, and construction teams to ensure alignment of schedules with project scope and deliverables.
• Analyze schedule impacts, constraints, and risk, to recommend mitigation strategies.
• Assess progress and quality of project controls work, providing accurate forecasts and completion estimates.
• Review and validate project schedule estimates for accuracy and feasibility.
• Knowledge of project controls principles earned value management (EVM) and familiarity with critical path method (CPM).
• Integration of contractors schedules and assist with time impact analysis related to change orders or scope adjustments.
• Proficient in use of Excel to develop progress curves and data analytics.

Qualifications

Minimum requirements

Education

• BS/BA in Business, Engineering, and/or related field experience

Experience/Specific Knowledge

• 10+ years of combined experience in cost estimating and project scheduling for large EPC projects (petrochemical, LNG, oil & gas, power, or infrastructure).
• Must have extensive experience in Major Projects with a growth portfolio of USD 1 Billion plus.
• Proficient in Primavera P6 and Microsoft Project scheduling software.
• Strong background in developing detailed cost estimates and project schedules.
• Experience with project controls, risk management, and schedule/cost analysis.
• Knowledge of EPC contract types, procurement strategies, and industry standards (e.g., AAC,CSI)
• Proficient in Microsoft Office Suite (Excel, Word, PowerPoint, Outlook).

Certifications, Licenses & Registrations

• Must possess and maintain a valid driver’s license and a driving record satisfactory to the company and its insurers (for travel).

Competencies, Skills & Abilities

• Exceptional attention to detail and organizational skills.
• Strong analytical, mathematical, and data analysis skills.
• Excellent written and verbal communication and presentation skills.
• Ability to manage multiple projects and deadlines simultaneously.
• Strong interpersonal skills for effective collaboration across disciplines.
• Ability to coach and mentor team members.
• Demonstrated ability to work independently and as part of an integrated project team.

Physical Demands

• Sitting; standing; walking or moving throughout facility; driving; talking; seeing (specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus); hearing; feeling; bending or stooping; squatting or crouching; reaching; kneeling; pushing; pulling; lifting up to 25 lbs.
• Must be able to sit for prolonged periods of time.
• The employee is regularly required to use hands to type, touch, handle, or feel. The employee is required to talk and hear. The employee is frequently required to stand and reach with hands and arms. The employee is occasionally required to walk and climb or balance. The employee must regularly lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.

Working Conditions

• Will work non-traditional hours as needed.
• Travel is required.
• Required to carry a cell phone and be available to respond during working and non-working hours.
• Candidates will be required to clear a drug screen and complete a background check, including a credit report for certain positions after an offer has been extended and prior to being employed.

Supervisory Responsibility

• Yes

Preferred Education, Experience, Certifications, Competencies, Skills, & Abilities

Above the minimum requirements, not required but advantageous in this position

• N/A

Other Responsibilities

• The above statements describe the general nature and level of work being performed. This position may perform other duties as assigned.

About Us

Tallgrass was named one of the Top Workplaces USA and highlighted in Colorado's Top Workplaces for the past seven consecutive years. Tallgrass is a leading energy infrastructure company focused on safely, reliably, and sustainably delivering the energy and services that power our nation and enable our quality of life.

At Tallgrass, we value our teams and strive to create an environment where employees feel respected, and their contributions are valued. We aim to support employees' physical, mental, and financial well-being through a comprehensive Total Rewards Program.

• Industry competitive pay
• Health insurance package options that include Flexible Spending & Health Savings Accounts
• Infertility Coverage
• Parental Leave
• 401(k) with up to a 6% match that vests immediately plus an employer discretionary contribution of up to 4%
• Wellness Programs and Mental Health Resources
• Employer-paid life insurance, short-term disability, and long-term disability coverage
• Critical Illness & Accident Insurance
• Vacation, sick days, paid caregiver leave, volunteer and bereavement paid time off
• Identity theft protection
• Annual discretionary bonus
• Generous Tuition Reimbursement Program
• Company-paid holidays and floating holidays
• Company vehicle (if applicable)
• Employee discounts; vehicles, tires, cellular plans, and more
• Networking and employee engagement events
• Personal development to grow your career with us based on your strengths and interests

Application Deadline

Recruiting timelines vary by position; however, all Tallgrass positions accept applications for at least five business days from the posting date. This position is open and still accepting applications.

Compensation

Compensation ranges are provided in good faith based on what we anticipate when researching wages for this position at the state and national levels. We may ultimately pay more or less than the posted range. This salary range may also be modified in the future.

EEO Statement

Tallgrass complies with all Equal Employment Opportunity (EEO) affirmative action laws and regulations. Tallgrass does not discriminate on the basis of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender Identity and expression, disability, veteran status, pregnancy status, or other status protected by law.