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About Us

Irby Construction Company has been building infrastructure for the power industry for more than 75 years. Our business values and performance-driven mindset guide our actions. Our approach to work starts with safety, puts people first, seeks to innovate, and promises to perform.

Irby is proud of its inclusive work environment, family-oriented culture, excellent benefits, and clear pathways for career growth. We strive to provide every employee with clear expectations and opportunities for advancement. What's more, Irby has long valued tenure. In fact, many of our executive leaders started with Irby early in their careers and in the field.

When you join our team, you join an established firm, with a culture centered around its people. Teamwork is how we work. There is no other way. Pride is ever-present inside our offices and the bond of brotherhood runs strong among our crews.

Irby Construction is a wholly-owned subsidiary of Quanta Services. That means team Irby gets the benefits of the company culture we're known for along with the stability and resources of a Fortune 500 organization.

About This Role

Irby Construction Company, a Quanta Services Company, is seeking an experienced Estimator with a strong background in Heavy Transmission and Powerline Projects to join our team based in Richland, Mississippi.

This role plays a key part in supporting high-impact projects across the power utility sector and will require extensive travel (50%+) to regional field offices throughout Alabama, Georgia, Arkansas, and Louisiana.

The ideal candidate will bring prior experience working for a general contractor in the power utility construction industry, with a focus on detailed cost estimating and project planning for transmission line work. You will collaborate with operations and engineering teams to produce accurate and competitive estimates that contribute to successful project delivery.

Your technical expertise, industry knowledge, and attention to detail will help reinforce Irby Construction's reputation for excellence and reliability in executing complex powerline projects.

What You'll Do

• Analyze and interpret project plans, specifications, and drawings specific to heavy transmission and powerline projects.
• Prepare detailed and accurate cost estimates covering labor, materials, equipment, and subcontractor needs for complex projects.
• Collaborate with project managers, engineers, and operations teams to integrate technical insights into comprehensive bid proposals.
• Conduct risk assessments, apply value-engineering techniques, and identify cost-saving opportunities to optimize project estimates.
• Stay current on industry trends, pricing, and best practices within the powerline sector while tracking changes in labor and material costs.
• Engage with vendors and subcontractors to obtain quotes, validate estimates, and resolve technical or cost discrepancies.
• Support the end-to-end bidding process, from initial inquiries and prequalification through final submission, ensuring compliance with IRBY's quality and safety standards.

What You'll Bring

What You'll Get

As a Quanta Services employee, you'll be offered a wide range of benefits to fit your needs.

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.