Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

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Job Summary:

The Building Estimator, located in Fontana, Ca. is responsible for preparing material and labor cost estimates for our steel enclosure manufacturing projects.

Supervisory Responsibilities:

None.

Duties/Responsibilities:

• Gathers and reviews proposals, blueprints, specifications, and other related Building documents to determine scope of work.
• Communicate with customers during bid phase for clarifications and scope information to complete estimates.
• Identify labor, material, and time requirements for each project.
• Create and submit cost estimates for review.
• Attend weekly bid meetings to provide status of open estimates and updates for each project in the pipeline.
• Maintain accurate and up-to-date pricing information from suppliers, vendors, and purchasing department and update estimate sheets accordingly
• Work on multiple estimates simultaneously.
• Partner with engineering, business development, and project management teams to help understand the technical pieces of the project.
• Perform other related duties as assigned.

Knowledge/Skills/Abilities:

• Excellent verbal and written communication skills.
• Excellent interpersonal and customer service skills.
• Excellent organizational skills and attention to detail.
• Strong analytical and problem-solving skills
• Ability to work on multiple projects while meeting required deadlines.
• Ability to understand technical electrical and mechanical drawings and requirements.
• Proficient in Microsoft Office Suite or related software.
• Understanding of contractual language is a plus.

Experience/Education:

• High School Diploma or equivalent required; Associates or Bachelors Degree in Engineering, Construction Management, or other related field preferred.

Coursework in a related field/industry

• 0-3 years of experience as an estimator or similar role

Physical Requirements:

• Prolonged periods sitting at a desk and working on a computer.
• Must be able to lift up to 15 pounds at times.
• Must be able to traverse the production floor as needed.
• Must be able to work full time in office.

What you'll receive for the great work you provide:

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 09-14-2026 Job Posting End Date 11-06-2026

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

$61,200.00 USD - $84,200.00 USD Annual

Job Category

Global Procurement & Supply Chain

Is Sponsorship Available?

No

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [email protected] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).