Principal Process Engineer - API External Manufacturing (Large Molecule)

Job ID: R-107390Company: LillyLocation: Indianapolis, Indiana, United States of AmericaJob Type: Full TimeCategory: EngineeringPosted Date: 2026-06-15At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first. We’re looking for people who are determined to make life better for people around the world.Position Brand Description: The position of Principle Process Engineer - API EM Large Molecule reports to the API EM Engineering Director and provides technical leadership and expertise in conjunction with API EM contract manufacturer personnel in the reliable supply and commercialization of medicines with safety first and quality always by: Developing and sustaining process knowledge in order to ensure the execution of the appropriate product, process, and operational control strategy at a number of Contract Manufacturers (CMs)Assessment of the suitability of proposed equipment sets to ensure success of process validationsDirect and Indirect interaction with CM personnel to ensure reliable supply via the CM execution of the operational control strategyFUME assessment to ensure an understanding of risk presented to the operational control strategyParticipation with internal or CM resources in the equipment specification, procurement, and IQ/OQ/PQParticipation with internal and CM resources to assess the HSE and PSM elements of the CM that impact Lilly productsEngaged with internal and external resources in developing capabilities with new or evolving technologies that may impact delivery of internal or external portfolio assets.Adherence to the expectations of the Lilly Red Book when carrying out interactions with API EM’s CMs.Key Objectives/Deliverables:Coach and Mentor Process Team MembersUtilize past experiences with unit operation control to provide insight and feedback to members of the CM Joint Process Team (JPT).Champion the application of statistical thinking and use of data to monitor process performance and make engineering decisions with CM members of the JPT.Support and peer review root cause analysis around FUME and operational incidents.Peer review documentation of learning points, technical studies, and incident investigations.Scale‑Up & Tech TransferLead/support tech transfers and scale‑up from development through PV and commercial supply.Translate process intent into operating strategies, equipment fit/gap, batch documentation, and PV readiness at CMs.Support engineering runs and PV readiness through parameter optimization and performance trending.Develop and Sustain Process KnowledgeIdentify process knowledge gaps that impact equipment and process capability.Develop or support the capture of key process knowledge (examples include material and energy balances, kinetics, chemistry, process modeling, and equipment design basis).Enable the development and maintenance of process knowledge. infrastructure such as key models, report history, lab models, and literature.Utilize optimization resources and tools for process analysis and process improvement studies.Review and track key process engineering metrics.Provide Process & Equipment Support:Identify systemic issues affecting production and reliable supply from CMsLead or participate in root cause analysis and countermeasure development and implementation for major safety, quality, or throughput incident investigations. Perform reviews of incident documentation for technical accuracy.Review and approve documentation and engineering decisions.Process Optimization & Continuous Improvement:Support development and technical analysis for on-going continuous improvement activities.Review and identify cost reduction opportunities, as well as process capacities and bottlenecks. Assist in prioritization of opportunities with respect to overall business objectives.Work with the CMs to ensure the application of statistical thinking and methods to understand process variability and capability.Perform and promote optimization of unit operation cycle time, loading, and yield performance.Engage with late phase development and Engineering Technical Center resources to ensure staying contemporary with key engineering disciplines and developing portfolio platforms (e.g. continuous manufacturing operations).Equipment Capability and Asset Management:Create an appropriate methodology to ensure visibility of the ongoing state of qualification of key FUME systems at the CMs.Review equipment and process system user requirements and qualification plans to ensure that the equipment and systems are appropriate for the intended purpose.Act as customer representative for review of Contact Manufacturer (CM) requests for capital projects targeted at both short- and long-term needs.Oversight of HSE and PSM:Serve as the liaison for API EM and Global HSE on health, safety, and environmental (HSE) and process safety management (PSM) oversight at the relevant contract manufacturing sites.Leverage internal Lilly experts in HSE and PSM to ensure appropriate risk reduction at CMs.Participate in Lilly HSE and PSM audits of contract manufacturing sites as applicable.Maintain key HSE and PSM metrics for review within API EM. Adherence to Business, Quality, and Financial Systems:Understand and follow all applicable Lilly policies and procedures with respect to interactions and oversight of API contract manufacturing sites. Basic Requirements:Bachelor of Science degree in Chemical Engineering, or another engineering discipline with 5 plus years experience in chemical manufacturing.3+ years of work experience in a manufacturing/process engineering related role related to large molecules.Qualified applicants must be authorized to work in the United States on a full-time basis. Lilly will not provide support for or sponsor work authorization or visas for this role, including but not limited to F-1 CPT, F-1 OPT, F-1 STEM OPT, J-1, H-1B, TN, O-1, E-3, H-1B1, or L-1.Additional Preferences:Experience in typical unit operations for Large Molecule API ManufacturingDeep technical knowledge of API / Drug Substance manufacturing equipment and unit operations.Demonstrated ability to apply fundamental chemical engineering principles to process understanding, problem solving, and process improvement.Demonstrated ability to function in a team environment as a technical leader and as a member of teams.Demonstrated ability to manage and prioritize competing priorities and to appropriately communicate verbally and in writing to various audiences.Develop and implement innovative approaches to problemsProcess Hazard Analysis experienceSuccessful application of root cause analysis and systematic problem solvingStrong Computer skills in a variety of software packages ( e.g Batch Plus, JMP, Visio, Aspen, Dynochem, OSI PI, MS Office Suite).Visualize an operation/process and reflect it in a model.Other Information: This role is located onsite in Indianapolis, IN with the ability to work from home up to 4 days per month. Relocation assistance will be provided if applicable.This role is not approved for 100% remote workTravel may routinely be required to support process start-ups, troubleshooting, and commercial manufacturing. This travel is typically in the range of 15% to 25% annually, depending on the needs of the process(s).Lilly is dedicated to helping individuals with disabilities to actively engage in the workforce, ensuring equal opportunities when vying for positions. If you require accommodation to submit a resume for a position at Lilly, please complete the accommodation request form () for further assistance. Please note this is for individuals to request an accommodation as part of the application process and any other correspondence will not receive a response.Lilly is proud to be an EEO Employer and does not discriminate on the basis of age, race, color, religion, gender identity, sex, gender expression, sexual orientation, genetic information, ancestry, national origin, protected veteran status, disability, or any other legally protected status.Our employee resource groups (ERGs) offer strong support networks for their members and are open to all employees. Our current groups include: Africa, Middle East, Central Asia Network, Black Employees at Lilly, Chinese Culture Network, Japanese International Leadership Network (JILN), Lilly India Network, Organization of Latinx at Lilly (OLA), PRIDE (LGBTQ+ Allies), Veterans Leadership Network (VLN), Women’s Initiative for Leading at Lilly (WILL), enAble (for people with disabilities). Learn more about all of our groups.Actual compensation will depend on a candidate’s education, experience, skills, and geographic location. The anticipated wage for this position is$66,000 - $171,600Full-time equivalent employees also will be eligible for a company bonus (depending, in part, on company and individual performance). In addition, Lilly offers a comprehensive benefit program to eligible employees, including eligibility to participate in a company-sponsored 401(k); pension; vacation benefits; eligibility for medical, dental, vision and prescription drug benefits; flexible benefits (e.g., healthcare and/or dependent day care flexible spending accounts); life insurance and death benefits; certain time off and leave of absence benefits; and well-being benefits (e.g., employee assistance program, fitness benefits, and employee clubs and activities).Lilly reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion and Lilly’s compensation practices and guidelines will apply regarding the details of any promotion or transfer of Lilly employees.#WeAreLillySkillsapi manufacturinglarge molecule manufacturingprocess optimizationstatistical analysisroot cause analysisequipment qualificationhse complianceprocess safety managementbatch processingjmpvisioaspendynochemosi pims office suiteprocess modelingequipment designcontinuous improvementstakeholder managementtechnical leadershipmentoring