Demo

Jr. Process Engineer Intern 2026

Capitol Aggregates Inc
San Antonio, TX Intern
POSTED ON 12/1/2025
AVAILABLE BEFORE 2/1/2026


    

Engineer Efficiency. Support Process Excellence.
Capitol Aggregates is seeking a Jr. Process Engineer to join our Cement Division. Under the guidance of our Process Engineer and in collaboration with operations teams, this role will support process optimization, data analysis, and problem-solving efforts to improve efficiency, reduce waste, and ensure product quality and safety across cement production.


What You’ll Do

  • Assist in monitoring daily production trends and participate in weekly process review routines.

  • Collaborate with the process engineer to implement optimization projects focused on efficiency, energy reduction, waste minimization, and quality improvement.

  • Collect and analyze data from raw material handling, grinding, kiln operation, and cement milling for statistical analysis.

  • Participate in troubleshooting and root cause analysis, updating the RCA action plan and dashboard.

  • Contribute to a 5S Program project, improving organization and operational conditions within a plant area.

  • Track and update downtime in the Uptime Go system.

  • Support weekly updates to the plant’s technical and operational training tracker.

  • Maintain a safe, clean work area and follow all company safety rules, procedures, and MSHA regulations.


What You’ll Bring

  • Proficiency in Excel, Word, and Outlook, with familiarity in data analysis.

  • Strong problem-solving skills with attention to detail.

  • Analytical mindset with the ability to interpret process and performance data.

  • Basic knowledge of process engineering principles, preferably in an industrial or manufacturing setting.

  • Interest in process optimization, safety, and technical development.


Education & Experience

  • Currently enrolled in a bachelor’s degree program in Chemical, Mechanical, Industrial Engineering, or a related field.

  • Junior or senior academic standing required.

  • GPA of 2.5–3.3 or higher.

  • Basic understanding of process control systems and industrial automation is a plus.


Why You’ll Love This Job

✔ Hands-on learning in cement plant operations and process engineering.
✔ Opportunity to directly support projects that improve efficiency and reduce environmental impact.
✔ Exposure to experienced process engineers, operations leaders, and real-world plant systems.
✔ Be part of a safety-first culture that values innovation and continuous improvement.


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 are at the center of every decision we make:

Every Person Matters

Together We Can Do Great Things

This is More Than a Job

Capitol Aggregates offers an industry leading benefits package for our employees and their families.

  • Medical, Dental, Vision and Life Insurance
  • 401K
  • Paid Leave
  • Incentive Compensation Program
  • Company-paid short-term and long-term disability insurance
  • Employee assistance program (EAP)
  • Tuition Reimbursement
  • And many more

We are an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

Notice to Staffing Agencies
Capitol Aggregates Inc. (Capitol) will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Capitol, including unsolicited resumes sent to a Capitol mailing address or email address, directly to Capitol employees, or to Capitol’s resume database will be considered Capitol property. Capitol will not pay a fee for any placement resulting from the receipt of an unsolicited resume. Capitol will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Capitol’s recruiting function to submit resumes, and then only in conjunction with a valid, fully executed contract for service and in response to a specific job opening. Capitol will not pay a fee to any Agency that does not have such an agreement in place. Agency agreements will only be valid if in writing and signed by Capitol’s Human Resources Representative or his/her designee. No other Capitol employee is authorized to bind Capitol to any agreement regarding placement of candidates by Agency.

Equal Opportunity Employer, including disabled and veterans.

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Hourly Wage Estimation for Jr. Process Engineer Intern 2026 in San Antonio, TX
$39.00 to $45.00
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