Estimator (Transmission)
Irby Construction
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 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. (NYSE: PWR).
Build your career at Irby Construction.
About this Role
An Estimator at Irby Construction Company is responsible for preparing accurate and competitive cost estimates for utility, infrastructure, and civil construction projects. This role requires strong analytical skills, attention to detail, and the ability to interpret project specifications, drawings, and bid documents. The Estimator collaborates with project managers, engineers, and procurement teams to ensure estimates align with project requirements and organizational goals.
What You'll Do
- Review RFPs, RFQs, drawings, and specifications to determine project scope and requirements.
- Prepare detailed cost estimates for labor, materials, equipment, and subcontractor services.
- Identify high-risk cost areas and recommend contingencies or mitigation strategies.
- Send out scope requests and contract information to potential subcontractors for pricing quotes.
- Validate subcontractor and vendor pricing for accuracy and scope alignment.
- Develop bid clarifications and proposal documents for submission to clients.
- Develop detailed electrical cost estimates for data centers and other large EPC projects.
- Participate in preconstruction planning and conceptual budgeting during early project development stages.
- Create work breakdown structures and cost code alignment for estimates.
- Incorporate risk analysis and contingency planning into estimates.
- Maintain historical cost data and update estimating databases for accuracy.
- Review drawings, specifications, and design documents to identify scope and potential cost impacts.
- Perform quantity take-offs using Bluebeam and/or other digital tools.
- Manage vendor and subcontractor pricing, ensuring comprehensive and timely coverage.
- Maintain cost databases, benchmarking tools, and historical records to support pricing consistency and continuous improvement.
- Support handoff from estimating to project management post-award, ensuring scope clarity and cost integrity.
- Participate in forecasting cost and cash flow of projects.
- Coordinate with project managers, engineers, and procurement teams during bid preparation.
- Collaborate closely with project managers, engineers, and trade partners to ensure estimating accuracy and alignment with project requirements.
- Participate in pre-bid meetings and site walks to gather project details.
- Communicate estimate assumptions and requirements to stakeholders.
- Ensure estimates comply with company standards, client requirements, and regulatory guidelines.
- Maintain organized bid folders for drawings, specifications, correspondence, and clarifications.
What You'll Bring
Education & Experience
- Bachelor’s degree in Construction Management, Engineering, or related field (or equivalent experience).
- 5+ years of experience in utility or infrastructure estimating (gas, electric, civil).
- Strong understanding of construction means, methods, and industry standards.
- Proficiency in estimating software and MS Office Suite.
- Excellent analytical, organizational, and communication skills.
- Ability to work under tight deadlines and manage multiple bids simultaneously.
- Experience in electrical estimating, preferably within data center, industrial, or mission-critical projects.
- Proficiency in Excel, Bluebeam, Microsoft Project, and modern estimating software (e.g., Accubid, Trimble, ConEst, or similar).
- Strong understanding of electrical systems, codes, and installation practices.
- Demonstrated ability to interpret drawings, technical specs, and schedules.
- Tech-savvy and detail-oriented, with a commitment to accuracy and efficiency.
Preferred
- Familiarity with public works departments, utility companies, and government agencies (local, state, or federal).
- Experience with Department of Energy (DOE) or related infrastructure projects.
- Knowledge of Federal Acquisition Regulations (FAR) for government bids.
- Certified Professional Estimator (CPE) – American Society of Professional Estimators.
- Project Management Professional (PMP) – PMI (preferred for senior estimators).
- OSHA Safety Certification (preferred).
Physical Qualifications
- Primarily office-based with occasional travel to project sites for pre-bid meetings and site assessments.
- Ability to sit for extended periods while working on a computer.
- Occasional lifting and carrying of up to 20 pounds (e.g., project documents, laptop).
- Must be able to navigate construction sites safely when visiting field locations.
- Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions.
What You'll Get
- Paid Vacation
- Paid Holidays
- Medical
- Dental
- Vision
- 401K
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.
- Irby Construction Company in Claremore, OK, is seeking an Estimator to prepare accurate cost estimates for utility and infrastructure projects. You will work closely with project managers and engineers to align estimates with organizational goals. The ideal candidate should...Suggested
- ...NYSE: PWR). Build your career at Irby Construction. About This Role A Project Safety Coordinator at Irby Construction Company (Transmission Powerline Construction) (TEXAS/OKLAHOMA). Make an impact in the power that keeps Texas and Oklahoma running! At Irby...SuggestedWork at officeLocal area
$22 - $28 per hour
This role is ideal for someone who enjoys working with numbers, staying organized, and keeping processes running smoothly. What You'll Do Accounting & Bookkeeping Manage Accounts Payable and Accounts Receivable Set up and maintain vendor and customer...SuggestedHourly payFull timeTemporary workWork at officeLocal area$22 - $28 per hour
Accounting Specialist This role is ideal for someone who enjoys working with numbers, staying organized, and keeping processes running smoothly. What You'll Do Accounting & Bookkeeping Manage accounts payable and accounts receivable Set up and maintain...SuggestedHourly payFull timeWork at office- A leading construction company is seeking a Project Accountant to manage financial aspects of projects. The role involves preparing project budgets, tracking expenses, and ensuring compliance with accounting standards. Candidates should have a degree in Accounting or Finance...Suggested
- Location: Tulsa, OK Reports to: Director of Project Management Team: Project Management Education : BS in Architecture, Engineering, Construction Management, Business, or equivalent education from an accredited college or university. BS in Architecture ...Contract workFor contractorsWork experience placementLocal areaNight shift
- Job Description I am working with a very well-known CPA firm in the area to find them their next Sr. Audit Associate . They are known for their outstanding firm culture, growth opportunities, & benefits! The ideal candidate will have 2-4 years audit experience with...Flexible hours
- RCB Bank has been a responsible employer since 1936, standing firm on moral and ethical principles as a bank and as an inclusive employer while fulfilling our commitment to excellence. Operating with values such as integrity, respect, sincerity and honor, RCB Bank is an...Bank staffWork at officeMonday to FridayFlexible hours
- Description: This role will provide control design guidance and conduct independent control assessments within the Cybersecurity GRC function. The primary focus will be on the design, implementation, and testing of security controls, ensuring that technical systems and ...Work at officeLocal area
- Senior Accountant Location: Owasso - Oologah - Talala area Reports To: CFO - Chief Financial Officer Position Overview Senior Accountant will support the full accounting cycle from journal entries through month-end financial statements...Hourly payContract work
- ...leaders across the CF network. Supports deployment of best practices across locations in site engineering scope development, cost estimating, execution planning and metrics/controls to ensure compliance - all whilst promoting continuous innovations and improvements....Full timeContract workWork experience placementFlexible hours
$80k - $110k
Sr. Accountant Location: Tulsa, OK Type: Direct Hire Compensation: $80,000-$110,000 Contractor Work Model: Onsite Hours: 40.0 Responsibilities: Manage general ledger activities, including month-end close, reconciliations, and financial reporting Oversee ...For contractors- Universal Banker Claremore, OK LOCATION: Onsite position BancFirst, Claremore 1698 S Lynn Riggs Blvd Claremore, OK 74018 HOURS Full Time, Monday - Friday Saturdays as scheduled POSITION SUMMARY Ideal candidate is seeking long ...Full timeMonday to Friday
- Ricouncil94 is looking for an Interdepartmental Project Manager based in Claremore, Oklahoma. This full-time position involves planning and coordinating projects related to public health information systems. The ideal candidate will have a Master's Degree and substantial...Full time
- Pryer Aerospace Llc in Claremore, Oklahoma seeks a Warehouse Coordinator to supervise inventory, delivery, and logistics activities. The candidate will ensure accurate transportation of aerospace components, maintain quality standards, and manage warehouse personnel. A ...Full time
- ...seeking a Project Coordinator to manage the administration components of projects. Responsibilities include developing accurate project estimates, coordinating communications, and generating customer proposals. Candidates should have over 5 years of project management...
- A financial consulting firm is seeking a Senior Accountant to manage the full accounting cycle including month-end financial statements, payroll, and account reconciliations. The ideal candidate will have a Bachelor's degree in Accounting and 3+ years in accounting, with...
$103.43k - $146.1k
...for overseeing the profitability and success of the project. The Project Manager gets engaged from the preparation and review of estimates, through the construction phase, and takes charge of all activities from the start to on-time and on-budget completion. Principal...For contractorsFor subcontractorWork at office- ...KPIs), and identify potential risks or issues, implementing proactive solutions to mitigate them. Manage project budgets, cost estimates, and financial forecasts, ensuring adherence to budgetary constraints. Ensure compliance with relevant industry standards, regulations...Contract workFor subcontractorWork at office
- Project Manager The Project Manager is responsible for overseeing the planning, execution, and delivery of heat exchanger-related projects, ensuring they are completed safely, on time, within budget, and in compliance with all applicable standards. This role involves...
- A prominent energy company in Claremore, Oklahoma is seeking an engineering supervisor to lead project execution and enhance safety and equipment reliability. The ideal candidate holds a degree in Mechanical or Chemical Engineering and has over 10 years of engineering experience...
- Job Description Job Description We are looking for a detail-oriented Cost Accountant to support financial operations for a manufacturing environment in Catoosa, Oklahoma. This role focuses on delivering accurate cost data, strengthening inventory controls, and providing...
- LOCATION | Tulsa, OK REPORTS TO | Director of Project Management TEAM | Project Management ARE YOU LOOKING FOR A place where you can be passionate about building relationships and equipping others to succeed? Do you get excited about project management...For contractorsWork experience placementLocal areaNight shift
- Closing Manager Summary To deliver more than is expected to my customers and associates by providing a positive first impression, determining actual needs, delivering real solutions, adding value where I can by supervising the store and leaving the customer so satisfied...Flexible hoursShift workAfternoon shift
- Inceed has partnered with a global manufacturer to help find a skilled Project Manager to join their team! Key Responsibilities & Duties: Develop and coordinate action plans for project completion Serve as primary contact for Operations activities Ensure timely communication...Bi-weekly pay
- The Role Project Coordinators at Lithko Contracting are responsible for developing correct estimates and providing accurate and detailed project information to all appropriate parties in addition to managing the administration components for an entire project. Key Responsibilities...Contract workFor contractorsWork at office
- Job Description Job Description Job Title SR Accountant Reports to: Controller Status Full time, Exempt Date: 12/12/2025 Summary The Senior Accountant is a key financial professional responsible for performing complex accounting functions within a manufacturing...Full timeLocal area
- WiredHive, Inc. in Claremore, Oklahoma seeks a seasoned professional to provide control design guidance and conduct cybersecurity assessments. This role emphasizes risk management and technical security across both Cloud and on-prem environments. The ideal candidate has...
- Fp&A Analyst Sofidel America, a subsidiary of the Sofidel Group, is a leading manufacturer of tissue paper for hygienic and domestic use. Committed to sustainable growth, operational excellence, and strict adherence to quality standards and regulatory requirements, ...Local area
- HMT LLC in Catoosa, Oklahoma, is seeking a Project Manager for the Aboveground Storage Tank industry. In this role, you will oversee project planning, execution, and delivery. Candidates should have 5+ years of relevant experience and knowledge of industry codes and safety...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Estimator (Transmission). Be the first to apply!

