Process Engineer III/ IV- Small Molecule/ Oligo/ Peptide
CRB
Process Engineer III/ IV - Small Molecule/ Oligo/ Peptide CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the global life sciences and food and beverage industries. CRB is a privately held company with a history of serving clients worldwide, delivering technical knowledge, creativity and execution. Overview We are seeking a skilled and experienced Process Engineer III/ IV with deep expertise in small molecule manufacturing to join our engineering consulting team. This role combines technical leadership with strategic client engagement, supporting process design, scale-up, optimization, and regulatory compliance across pharmaceutical and chemical projects. Key Responsibilities Lead and support client projects focused on small molecule API process development, scale-up, and manufacturing optimization. Conduct site assessments, gap analyses, and provide recommendations for process improvements and compliance. Develop process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and mass/energy balances. Translate client requirements into actionable design scope and document decisions, open issues, and action items. Identify and escalate scope changes or design deviations to project leadership. Collaborate with cross-functional teams including architecture, mechanical, electrical, and construction. Prepare technical reports, proposals, and presentations for internal and client stakeholders. Support capital project planning including feasibility studies, equipment selection, and facility design. Ensure alignment with industry standards including cGMP, FDA, EMA, and ICH guidelines. Participate in advanced project activities such as: Technical bid tabulations Vendor package management Factory acceptance testing Risk assessments (e.g., HAZOP, HACCP) 3D model reviews and coordination Sequence of operations and functional specification reviews Mentor junior engineers and design staff. Lead system design programming and planning with support from senior engineers. Participate in cross-discipline squad checks and drive overall project quality. Qualifications Minimum Qualifications Bachelor’s or Master’s degree in Chemical Engineering or a related discipline (ABET-accredited). Minimum of 5 years of experience in small molecule process engineering, preferably in a consulting or client-facing role. Strong understanding of chemical synthesis, purification, and formulation processes. Experience in design firm or operating company settings within a related industry. Strong written and verbal communication skills. Intermediate experience with applicable industry and regulatory guidance and building codes. Advanced technical knowledge and experience with small molecule API manufacturing equipment and utility systems, such as chemical reactors, filters, centrifuges, dryers, vacuum pumps, scrubbers, purified water, process compressed gases, and engineered heat transfer fluid systems. Experience designing and implementing engineering controls for containment of highly potent APIs. Experience with cGMP practices within regulated industries (FDA, EMA, JP, etc.). Preferred Qualifications EIT or PE certification. Experience coordinating and managing design within project teams and with external partners. Familiarity with commissioning, startup, qualification, and troubleshooting of process systems. Experience with regulatory environments and validation documentation. Prior experience in engineering consulting or client services. Familiarity with process safety, risk assessments, and HAZOP studies. Demonstrated experience leading a small team of process engineers on complex engineering design projects. Additional Information All your information will be kept confidential according to EEO guidelines. CRB is committed to hiring and retaining a diverse workforce and is an Equal Opportunity/Affirmative Action Employer. Employment is contingent on background screening. CRB does not accept unsolicited resumes from search firms or agencies. If you cannot complete the application due to a disability, request an accommodation or an alternative application process. #J-18808-Ljbffr CRB
- A leading engineering company in St. Louis is seeking a skilled Process Engineer III/IV specializing in small molecule manufacturing to join its consulting team. This role involves leading client projects, conducting assessments, and ensuring regulatory compliance. The...Suggested
- Process Engineer III CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the global... ...budget, and schedule for assigned work, which typically involves small to medium-sized projects of moderate complexity. The...Suggested
$80k - $95k
...utility districts and municipalities. We are seeking a Project Engineer (III/IV) in Water/Wastewater to serve our clients and community.... ...with design standards, regulatory requirements, and permitting processes. Serve as a point of contact for clients, contractors, and...SuggestedFor contractorsLocal areaFlexible hours$80k - $95k
Gonzalez Companies, LLC is seeking a Project Engineer (III/IV) in Water/Wastewater in St. Louis, MO. The role focuses on the design and oversight of treatment facilities and pipelines, requiring proficiency in hydraulic modeling and AutoCAD. Candidates should hold a Bachelor...Suggested- ...Roeslein & Associates is a global leader in engineering, manufacturing, and construction... ...Solutions. POSITION SUMMARY: The Senior Process Engineer will lead the process engineering... ...evaluating new technology Experience developing small teams Strong process, mechanical, and...SuggestedFull timeTemporary workWork at officeFlexible hours
$97.53k - $113.78k
...Industrial Engineer III Industrial Engineer III in GAC St. Louis Unique Skills: Preferred candidate will have an aviation background... ...to manage commonality of material handling and presentation processes. # Identify equipment, machinery, and facilities...Local areaRelocation package- ...Job Summary The Facility Electrical Engineer III Project Manager will be subject matter expert... ...engineering at the site. Creates small capital improvement, repair contracts, and... ...equipment. ~ PLC control systems for process and equipment control as well as associated...For contractorsWork at officeFlexible hours
- ...Neurodiagnostic Technologist III Join BJC as a Neurodiagnostic Technologist III with a top-ranked hospital! Barnes-Jewish Hospital... ...s Neuroscience division. Our Epilepsy Monitoring Unit is a Level IV Epilepsy Center, utilizing state of the art video monitoring...Full timeFlexible hours
- Asplundh Careers is looking for a Design Engineer III for Substation Engineering in Maryland Heights, MO. In this role, you will contribute to complex energy infrastructure projects while collaborating with diverse teams. You will execute designs for substations and support...
- Pretium Packaging is searching for a talented, hands‑on Process Engineer for our plant in St. Louis, Missouri . About Us Pretium Packaging, founded in 1992, is a leading supplier of injection‑blow molded plastic containers, known for delivering superior quality, value...
- ...products that save lives, ensuring better health and well-being for patients around the world. The Impact You Will Make The Supplier Process Engineer assists in the oversight, evaluation, and qualification of all supplier related activities, including outside processes and...Local areaFlexible hours
- Roeslein & Associates is seeking a Process Engineer II in St. Louis, Missouri. In this role, you will provide process engineering support for various projects, including developing process simulations and handling equipment selection. The ideal candidate will possess excellent...Full time
- ...seeking a dynamic and detail-oriented Mid ServiceNow ITSM Process Systems Engineer to lead an effort to review and update IT Service Management... ...Corporation is an award-winning SBA Certified Woman-Owned Small Business and leading provider of innovative professional,...Work at officeWork from homeHome office
- ...and flavor. We are market savvy and visionary. We are problem solvers. And we will be better with you. We are looking for a Process Engineer to join our Sensient Colors team. In this role, you will be responsible for analyzing, designing, implementing, and optimizing...InternshipRelocationVisa sponsorshipWork visaRelocation package
- The Process Engineer serves as a vital resource for Operations by applying technical skills to safely execute the supply plan. The Process Engineer enables the safe and reliable production at a low cost that meets or exceeds the customer requirements. This role requires...Local area
- Location: Bridgeton, MO Overview Step into a high-impact engineering role where your expertise directly shapes the efficiency, quality, and compliance of critical pharmaceutical manufacturing processes. This is an opportunity to drive innovation in oral solid dose production...
- ...owned company in power solutions is seeking an experienced HRSG Process Specialist to join their Thermal Design Team in Fenton, MO.... ...have a four-year degree, preferably in mechanical or chemical engineering, and at least 12 years of experience in power generation. The...Flexible hours
$85.1k - $161.58k
...as well as a range of other consulting and technology solutions. Position Summary: MedInsight is seeking a Client Engineer III to lead complex client implementations and drive a high-trust, consultant-led delivery experience. This is primarily a senior...Full timeTemporary workWork experience placementRemote workFlexible hours- Elementis PLC is seeking a Process Engineer in St. Louis, MO, responsible for ensuring safe, reliable, and cost-efficient production. The role includes troubleshooting production issues, monitoring performance metrics, and providing technical expertise in manufacturing...
- Kindeva Drug Delivery in St. Louis, Missouri is seeking a motivated Aseptic Process Engineer to ensure high performance in manufacturing processes. This key role involves collaborating with production, quality, and compliance teams to enhance product quality and drive...
- Pretium Packaging - USA is seeking a skilled Process Engineer for our St. Louis, Missouri plant. This role is crucial for maintaining product quality and optimizing production processes. The ideal candidate will have a degree in mechanical or plastics engineering, along...
- A leading global manufacturer is looking for a Process Engineer to optimize manufacturing processes in St. Louis, Missouri. The role involves analyzing and improving process efficiency, developing standard operating procedures, and collaborating with teams. Candidates...
- Kindeva, a leader in contract manufacturing, is seeking a motivated Aseptic Process Engineer in St. Louis, Missouri. This role is crucial for ensuring high performance in manufacturing processes through technical ownership and partnership with production, quality, and...Contract work
- ...CRB is a leading provider of sustainable engineering, architecture, construction and consulting... ...The Electrical Engineer IV serves as the discipline lead at the project... ..., contact this employer to ask for an accommodation or an alternative application process.For contractors
$85k - $115k
...Electrical Engineer III Location: Lakewood, CO / Fort Collins, CO / Avon, CO / Belleville, IL / St. Louis, MO / Milwaukee, WI / Schaumburg... ...partnerships with our clients by aligning with the goals, processes and people at each organization. By integrating our expertise...Flexible hours- Sensient Technologies in St. Louis seeks a Process Engineer to analyze and optimize manufacturing processes. The role requires a Bachelor's degree in engineering and experience within a manufacturing environment. Responsibilities include developing SOPs, collaborating...Visa sponsorship
- A biopharmaceutical company is seeking a Process Engineer II to provide real-time technical support in their St. Louis GMP environment. This fully onsite position involves ensuring safe execution of manufacturing processes and continuous improvement for biologic therapies...
- Automation Developer Responsible for designing and developing automated test scripts to support application testing. The automation developer performs analysis of manual test cases and functional requirements and determines the balance of test coverage to be automated...
- ...published June 2024, data as of December 2023. Compensation provided for using, not obtaining, the rating. Team Overview The Engineer III, System Security Engineer plays a key role in protecting the firm’s enterprise computing environment by designing, implementing,...Temporary workWork at officeHome officeFlexible hours
- ...ensuring compliance with project schedules, managing budgets, and mentoring staff. The ideal candidate will have a Bachelor's degree in Engineering and at least four years of relevant experience along with strong leadership and communication skills. #J-18808-Ljbffr Turner...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Process Engineer III/ IV- Small Molecule/ Oligo/ Peptide. Be the first to apply!

