Sr Chemist

About Delek US Holdings We are a boutique-sized diversified downstream energy company with a range of assets, including petroleum refining and logistics. Refineries located in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels per day. The logistics business owns and operates 720 miles of crude and product pipelines, a 600-mile crude oil gathering system, and storage tanks and terminals. Job Summary The Senior Chemist serves as a technical leader within the laboratory, providing advanced analytical support to refinery operations, process engineering, supply and distribution, and business planning functions. This role is responsible for ensuring accurate and reliable laboratory testing, maintaining quality control systems, troubleshooting instrumentation and analytical methods, and supporting refinery product quality and operational performance. Key responsibilities include mentoring laboratory personnel, driving continuous improvement initiatives, and maintaining a safe and compliant laboratory environment. Education and Experience 4 year / Bachelor's Degree (Required) Equivalent combination of education and experience may be considered. Five (5) or more years laboratory experience in a refining or related industry; advanced knowledge of instrumentation troubleshooting and repair. Advanced knowledge of data analysis, statistical quality control and laboratory LIMS systems (Required). Advanced knowledge of refinery laboratory instrumentation and ASTM/UOP methods. Preferred Qualifications Leadership or mentoring experience. Method development and technical writing. No licensure or certification required. Job Requirements Analysis Lab Operations Detail Oriented Communication Reporting Relationship Management Continuous Improvement Refining Operations Refining Processes Safety Physical ability to work on and around industrial equipment, including climbing of stairs, ladders and on confined spaces; ability to wear PPE; ability to lift up to 50 pounds. Additional responsibilities include: Operate laboratory equipment and handle materials safely while maintaining a clean, organized, and compliant work environment by complying with safety and laboratory procedures, rules, and regulations. Accurately document and communicate laboratory results using Laboratory Information Management Systems (LIMS). Conduct advanced troubleshooting and repair coordination for laboratory instruments and analytical methods. Develop or modify analytical methods for unknown or non-routine samples and interpret results to support operational decisions. Maintain laboratory Quality Control (QC) systems to ensure the integrity, accuracy, and reliability of analytical data. Provide advanced analytical support for refinery operations, scheduled and requested analysis, to maintain proper quality of unit products. Provide advanced analytical support for Process Engineering problem solving. Provide advanced analytical support for Supply and Distribution to control raw materials and ensure quality of finished products, including retaining samples for future analysis verification. Monitor and run necessary standards to ensure the accuracy and reliability of the laboratory equipment. Provide advanced support to Economics and Planning for finished product compliance and reporting. Evaluate results against operational targets and recommend action if out of compliance. Mentor, train, and provide technical guidance to Chemists and Laboratory Technicians. Core Competencies Change Agility (level 2 Supporting): Identifies, initiates, and adapts to organizational changes that foster enhanced effectiveness, efficiency, safety, and ultimately business results. Collaboration (level 2 Supporting): Sees connection points across the organization and partners effectively with others to achieve common goals. Decision Making (level 2 Supporting): Selects a course of action to reduce risk and uncertainty and create optimal outcomes. Drive For Results (level 2 Supporting): Drives to achieve challenging performance objectives. Team Building (level 2 Supporting): Builds trust, fosters openness, and provides support. As the manager of a team, selects and motivates a strong team. Benefits Up to a 10% match on 401K with a vesting timeline of one year; medical benefits start on day one with a 30% premium rebate annually; access to the Calm app for free; performance management program with additional annual incentives; competitive bonus payouts; culture of pay for performance. Equal Opportunity Employer We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin, disability status, protected veteran status, or any other characteristic protected by law. Equal Opportunity Employer/Disabled/Veterans. #J-18808-Ljbffr