Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Awards
Community Service
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Darius M. Ybarra

Lawrence,USA

Summary

Detail-oriented chemical engineer with hands-on experience in process engineering, gained through an internship at HF Sinclair, specializing in process simulation, debottlenecking, and cost-saving optimization projects. Proficient in industry-standard software such as Aspen HYSYS, BR&E ProMax, and AFT Fathom, with a proven track record of leading independent initiatives that resulted in significant financial impacts, including a $2.3M annual savings kerosene rerouting project. Strong foundation in process safety protocols (PHA/HAZOP), lab testing methodologies, and equipment inspections. Recognized for exceptional leadership and communication skills demonstrated through various volunteer and team coordination roles.

Overview

4
4
years of professional experience

Work History

Process Engineering Intern

HF Sinclair
05.2025 - 08.2025
  • Performed process simulations using Aspen HYSYS, BR&E ProMax, and AFT Fathom to support optimization and design decisions
  • Assisted in process design and optimization by reviewing PFDs, P&IDs, and equipment design spec sheets
  • Led Sour Water Stripper debottlenecking project: identified condenser limitations as the primary bottleneck; determined ~20% additional heat duty required to meet historical high flow rates
  • Led kerosene rerouting project: developed strategy projected to deliver $2.3M in annual savings while maintaining product quality and unit reliability
  • Collaborated with third-party contractors and vendors to assess equipment upgrades, gather technical data, and analyze kerosene and naphtha samples
  • Authored and managed catalyst Request for Proposals (RFPs) to support vendor bid evaluations
  • Conducted lab testing for amine and antifoam performance; coordinated sample collection and troubleshooting with operators
  • Gained hands-on experience with confined space inspections of stripper towers, furnaces, and water softeners
  • Participated in process safety reviews including PHAs, HAZOPs, and risk/reliability assessments

Desk Assistant

University of Kansas Student Housing
09.2022 - Current
  • Served as first point of contact for residents, providing responsive support for needs, emergencies, and safety concerns
  • Managed administrative tasks: phone inquiries, key disbursement, mail distribution, and hall equipment checkout
  • Assisted in high-profile guest visits with discretion and professionalism
  • Coordinated front desk operations, ensuring smooth communication between residents and management.

Install Technician

Schammerhorn, Inc.
12.2022 - 12.2024
  • Collaborated with teams to design and implement installation templates for custom window treatments
  • Improved workflow efficiency through organization, layout planning, and quality installation
  • Performed quality assurance inspections to ensure compliance with client specifications

Front of House Team Member

Chick-fil-A
06.2021 - 06.2024
  • Delivered efficient and courteous service while managing transactions, resolving guest concerns, and mentoring team members
  • Supported daily operations through teamwork, adaptability, and strong customer service skills
  • Delivered exceptional customer service in fast-paced environment, ensuring guest satisfaction and loyalty.
  • Managed front counter operations, efficiently processing orders and transactions with accuracy.

Education

Bachelor of Science - Chemical Engineering

University of Kansas
Lawrence, KS
05.2026

Skills

  • Simulation modeling
  • Process optimization
  • Troubleshooting
  • Team leadership
  • Document management
  • Strong organization
  • Reception duties

Accomplishments

  • FAS University of Kansas Scholarship
  • Paul J. Engr School of Engineering Scholarship
  • JL Constant School of Engineering Scholarship
  • Steve & Leanne Caret Derby Community Foundation Scholarship

Timeline

Process Engineering Intern

HF Sinclair
05.2025 - 08.2025

Install Technician

Schammerhorn, Inc.
12.2022 - 12.2024

Desk Assistant

University of Kansas Student Housing
09.2022 - Current

Front of House Team Member

Chick-fil-A
06.2021 - 06.2024

Bachelor of Science - Chemical Engineering

University of Kansas

Awards

- FAS University of Kansas Scholarship, - Paul J. Engr School of Engineering Scholarship, - JL Constant School of Engineering Scholarship, - Steve & Leanne Caret Derby Community Foundation Scholarship

Community Service

Kansas Oil Museum, STEM Event Facilitator, El Dorado, KS, 2025-07, - Partnered with museum staff to design and deliver STEM exhibits for 100+ local students., - Engaged K–12 participants with interactive demonstrations showcasing science and engineering applications.

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