ISC Constructors, L.L.C.
Electrical Preconstruction Estimator
2 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Baton Rouge, LA, USA
Work mode:
Onsite
Published on:
19 October 2026
What they need
WHO WE ARE
For over 35 years, ISC has delivered safe, high-quality engineering, construction, and maintenance solutions across industrial, manufacturing, and mission-critical environments.
We are Powered by People and believe putting people first is the way to do great work. At ISC, associates have opportunities to build their skills, take on challenging work, and grow their careers.
THE POSITION
ISC is seeking a detail-oriented Pre-Construction Estimating Specialist to join our Pre-Construction team. This position supports the development of comprehensive electrical and instrumentation (E&I) estimates and proposals for construction projects.
The Pre-Construction Estimating Specialist will review drawings and specifications, perform quantity takeoffs, develop labor and material estimates, evaluate vendor and subcontractor pricing, participate in bid reviews, and assist in preparing technical and commercial proposals.
This is an opportunity for someone with electrical, instrumentation, construction, or estimating experience to develop deeper expertise in construction estimating and preconstruction while working alongside an experienced team.
RESPONSIBILITIES
Estimating & Quantity Takeoffs
- Review project drawings, specifications, schedules, bid documents, and scope requirements.
- Perform detailed electrical and instrumentation quantity takeoffs.
- Establish appropriate labor units and estimated labor requirements.
- Evaluate material quantities, equipment requirements, and associated pricing.
- Perform takeoffs for:
- Grounding and lighting systems
- Electrical power and controls
- Cable and instrument schedules
- Electrical equipment and systems
- Instrument electrical and mechanical scopes
- Specialty electrical systems
- Assist with the preparation and review of overhead and temporary (OH&T) requirements.
- Develop accurate estimate documentation and supporting information.
Material takeoffs, quantity development, cost information and scope evaluation are also prominent responsibilities in current E&I estimator postings. [monster.com], [constructi...abajos.com]
Bid & Proposal Development
- Work with the Pre-Construction team to develop complete and competitive project proposals.
- Solicit, review, and evaluate vendor and subcontractor quotes.
- Review subcontractor pricing, scope, qualifications, and terms and conditions.
- Participate in internal bid reviews.
- Prepare proposal letters and support development of technical proposals.
- Assist with contract reviews and evaluate potential scope and commercial risk.
- Identify potential scope gaps, exclusions, clarifications, and estimating risks.
- Support proposal presentations and project handoffs as required.
Preconstruction & Team Collaboration
- Communicate effectively with estimating, engineering, project management, procurement, construction, and other disciplines.
- Participate in project site visits when necessary to understand existing conditions and scope requirements.
- Coordinate estimating information with internal project stakeholders.
- Learn and effectively utilize company estimating systems and processes.
- Maintain organized estimating documentation, assumptions, pricing, quotes, and proposal information.
- Serve as a proposal team lead when assigned.
- Provide guidance and mentoring to Pre-Construction Apprentices and Interns when assigned.
WHAT WE'RE LOOKING FOR
- Bachelor's degree from an accredited college or university in a relevant field.
- Previous experience in electrical and/or instrumentation construction, with a minimum of six months of applicable experience.
- Understanding of electrical and instrumentation construction methods, materials, and terminology.
- Ability to read and interpret construction drawings, specifications, schedules, and scope documents.
- Strong analytical, mathematical, organizational, and problem-solving skills.
- Strong attention to detail and commitment to estimating accuracy.
- Ability to manage multiple priorities and meet proposal deadlines.
- Ability to learn estimating software and company estimating processes.
- Strong written and verbal communication skills.
- Ability to work effectively with multidisciplinary teams.
- Self-motivated with an ability to learn quickly and take increasing ownership of assigned work.
- Proficiency with Microsoft Excel and Microsoft Word.
- Proficiency with Vista by Viewpoint preferred.
PREFERRED EXPERIENCE
Candidates with experience in one or more of the following areas are strongly encouraged to apply:
- Electrical estimating
- E&I estimating
- Construction estimating
- Preconstruction
- Electrical construction
- Instrumentation and controls
- Quantity takeoffs
- Material takeoffs
- Labor estimating
- Material and equipment pricing
- Bid preparation
- Proposal development
- Vendor quote evaluation
- Subcontractor quote evaluation
- Electrical drawings and specifications
- Industrial construction
- Manufacturing projects
- Mission-critical construction
- Large-scale construction projects
OTHER INFORMATION
ISC offers a comprehensive benefits package and opportunities for career development and advancement.
EQUAL EMPLOYMENT OPPORTUNITY
ISC is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by applicable law.
RECRUITING INTEGRITY
ISC evaluates and hires applicants for employment based exclusively upon each applicant's qualifications and merit. No applicant will ever be required to pay money or provide any other form of compensation to an ISC employee in order to be hired by or considered for employment with the Company.
MULTI-SKILL EXPECTATION
This job profile is not intended to be a complete listing of all similar, miscellaneous, or incidental duties that may be required. ISC utilizes the multi-skill concept and associates may be expected to perform other job-related duties consistent with project and operational requirements
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