ComNet Communications logo

Estimating Intern

Jacksonville, FL, United StatesInternshipInternshipPosted Oct 27, 2026

Job description

About Company: Nationwide Experts in Network, Security, Wireless & AV Integration Com. Net Communications LLC is a leading integrator of technology infrastructure, backed by four decades of experience delivering scalable, high-performance solutions nationwide. We design, install, and maintain critical systems that power structured cabling, wireless connectivity, data centers, physical security, in-building wireless, and audio visual environments.

With a strong focus on safety, quality, and service excellence, Com. Net is a trusted partner to enterprise clients across diverse industries. From complex, multi-site deployments to large-scale network builds, we bring the technical expertise and operational capacity to support the evolving demands of today’s connected world.

Who We Are Founded in 1984, Com. Net Communications has grown to become a trusted network infrastructure partner for Fortune 500 companies, national enterprises, and regional businesses. Our team of highly skilled professionals provides end-to-end services — from initial design through project completion — with a focus on safety, quality, and operational excellence.

Our reputation is built on integrity, technical expertise, and a commitment to customer success. Our National Footprint Com. Net Communications operates across the United States with regional offices and field teams ready to support projects nationwide. Our scalable workforce and national reach enable us to manage complex, multi-site deployments with consistency and speed.

Commitment to Safety & Sustainability Com. Net Communications prioritizes a culture of safety and environmental responsibility. Our safety-first approach ensures our teams meet or exceed all regulatory and industry standards. We are committed to sustainability practices that include recycling of cabling materials, reducing packaging waste, and implementing efficient installation methods to minimize environmental impact.

About the Role

As an Estimating Intern, you will gain hands-on experience supporting the estimating and preconstruction team throughout the bid and proposal process. This role is designed to provide exposure to construction estimating practices, project documentation, quantity takeoffs, cost analysis, and subcontractor/vendor coordination.

The internship aims to develop your technical knowledge of construction estimating and prepare you for a successful career in preconstruction, estimating, project management, or operations.This position is ideal for rising juniors, rising seniors, upcoming or recent graduates who are interested in careers within construction estimating, construction management, engineering, technology infrastructure, or related fields.

The program emphasizes professional development, practical experience, and mentorship within Com. Net Communications' estimating and preconstruction functions.

Essential Duties

Rotation through several functional areas of the organization Support the estimating team in the preparation of project bids and proposals. Assist with reviewing drawings, specifications, scopes of work, and other bid documents. Participate in quantity takeoffs and cost estimate development under the guidance of experienced estimators.

Help gather pricing information from suppliers, subcontractors, and vendors. Assist in organizing bid documents, project files, and estimating databases. Learn how labor, material, equipment, and subcontractor costs are developed and incorporated into project estimates. Participate in project handoff meetings and observe the transition from estimating to operations.

Attend job walks, pre-bid meetings, site visits, and internal project review meetings as assigned. Gain exposure to project management, scheduling, job costing, and construction operations to better understand the full project lifecycle. Learn and follow company safety protocols and standards during any site visits or field activities.

Interns will be supported through structured guidance and mentorship throughout the program. Job Requirements: Currently enrolled as a rising junior or rising senior in a bachelor's degree program, or a recent graduate. Preferred areas of study include Construction Management, Civil Engineering, Construction Engineering, Engineering Technology, Business, or related fields.

Strong interest in construction estimating, preconstruction, project management, or technology infrastructure projects.Ability to read and interpret construction drawings and specifications is preferred. Experience with Microsoft Excel and other Microsoft Office applications. Strong analytical, mathematical, and problem-solving skills.

Excellent attention to detail and organizational skills. Ability to communicate professionally and work collaboratively with team members. Willingness to learn and adapt in a fast-paced environment. Ability to travel to local job sites, pre-bid meetings, or project locations as needed. Must be able to comply with company safety requirements.

Previous internship, coursework, or experience related to construction, estimating, engineering, or project management is a plus. The worker may be subject to both inside and outside environmental conditions while participating in field or site‑based activities. EEO: This job description in no way states or implies that these are the only duties to be performed by the employee incumbent in this position.

An employee will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. A review of this position has excluded the marginal functions of the position that are incidental to the performance of fundamental job duties.

All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbent will possess the skills, aptitudes and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others.

The requirements listed in this document are the minimum levels of knowledge, skills or abilities.

Description copied from ComNet Communications's careers page. Read the full posting before you apply.

More jobs at ComNet Communications

See all openings at ComNet Communications

More jobs in Jacksonville

See all jobs in Jacksonville

Estimating Intern jobs at other companies