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Jr. Process Engineer Intern

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Capitol Aggregates, Inc
Apprenticeship/Internship position
Listed on 2026-10-17
Job specializations:
  • Engineering
    Process Engineer, Quality Engineering, Lean Manufacturing / Six Sigma
  • Manufacturing / Production
    Quality Engineering, Lean Manufacturing / Six Sigma
Salary/Wage Range or Industry Benchmark: 25000 - 33000 USD Yearly USD 25000.00 33000.00 YEAR
Job Description & How to Apply Below
Who We Are

Capitol Aggregates, a division of Zachry, stands on a rich tradition of creativity, stability, innovation, and experience in the construction and building materials industry. Fully understanding that Capitol’s employees are the heart of our success, we foster a dynamic work environment by providing development opportunities such as training, education, and career advancement.

We believe people are our greatest asset and offer a variety of training and development opportunities to promote excellence and facilitate career advancement. We take care of our team members as family, within a culture of service where we do the right thing because it is the right thing to do.

Our Core Values Guide Everything We Do

Every Person Matters® | Together We Can Do Great Things® | This Is More Than a Job®

Position Overview

The Process Engineering Intern works closely with the Process Engineer and plant operations teams to support the monitoring, analysis, and optimization of cement production processes. This position provides hands-on experience in process engineering within a heavy industrial manufacturing environment, with opportunities to analyze production data, participate in process improvement initiatives, troubleshoot operational issues, and support projects focused on efficiency, reliability, product quality, and safety.

What

You’ll Do
  • Assist with monitoring daily production trends and analyzing process performance to identify opportunities for improvement.
  • Participate in the plant’s scheduled weekly process routines and performance reviews.
  • Collaborate with the Process Engineer and operations teams on process optimization projects focused on increasing efficiency, reducing power consumption and waste, and improving product quality.
  • Collect, organize, and analyze data from various stages of the cement manufacturing process, including raw material handling, grinding, kiln operations, and cement milling.
  • Perform statistical analysis of production and process data to help identify trends and improvement opportunities.
  • Participate in root cause analysis and troubleshooting of process issues to help minimize downtime and improve plant performance.
  • Assist with maintaining root cause analysis action plans, dashboards, and follow-up activities.
  • Participate in a 5S improvement project within a designated area of the plant, working with team members to improve organization, efficiency, and overall conditions.
  • Update and monitor Uptime Go equipment downtime reports and assist with identifying recurring equipment or process trends.
  • Participate in weekly updates of the plant’s technical and operational training tracking tools.
  • Work collaboratively with engineering, operations, maintenance, and other plant personnel to support process improvement initiatives.
  • Maintain work areas and equipment in a safe, clean, and organized condition.
  • Follow all Company and plant safety policies, rules, and procedures, as well as applicable MSHA regulations.

NOTE:

This list presents only the principal duties of the position and is not intended to be comprehensive. Other duties and responsibilities may be assigned as dictated by business needs and conditions. As an essential function of the job, good attendance is required.

What You’ll Bring Required

Skills and Abilities
  • Proficiency with Microsoft Office applications, including Excel, Word, and Outlook.
  • Strong analytical skills with the ability to collect, organize, analyze, and interpret data.
  • Excellent problem-solving skills and attention to detail.
  • Ability to identify trends and draw meaningful conclusions from production and process data.
  • Strong organizational and time management skills.
  • Effective verbal and written communication skills.
  • Ability to work collaboratively with…
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