Senior Scientist - Chemical Engineer for API Manufacturing Process Development (API Manufacturing)

Location: On premise in Groton, Connecticut, United States. Some international travel may be required for technology transfer and commercial product launch activities. Relocation support may be available.

Annual base salary: $93,600–$156,000, plus a 12.5% bonus target and eligibility for a share-based long-term incentive program.

Company

hirify.global develops medicines and vaccines through research and development, including active pharmaceutical ingredient process technology for clinical and commercial manufacturing.

What you will do

• Design and perform laboratory experiments to develop, optimize, scale up, and assess the robustness of API manufacturing unit operations.
• Develop and apply batch, semi-batch, and continuous-flow process technologies for safe, efficient, and sustainable API production.
• Use process simulation, statistics, and engineering analysis to characterize reaction, extraction, distillation, crystallization, filtration, and drying operations.
• Lead technology transfer to internal manufacturing sites and external partners, including support for process validation at commercial launch sites.
• Prepare technical reports, presentations, CMC content for NDA submissions, data verification, PAI readiness, and post-submission responses.
• Develop digital tools and laboratory automation capabilities, and contribute to publications and external technical presentations.

Requirements

• BS in Chemical Engineering with at least 9 years of experience, MS with at least 7 years, or PhD with 0+ years; additional experience may qualify candidates for an appropriate level.
• Expertise in reaction engineering, including development and validation of kinetic models from experimental data.
• Strong knowledge of chemistry and chemical engineering principles, including reactor design, thermodynamics, transport phenomena, engineering statistics, and process modeling.
• Outstanding laboratory skills, attention to detail, and technical problem-solving ability.
• Exceptional interpersonal, multidisciplinary collaboration, and communication skills.
• Candidates must have permanent authorization to work in the United States; U.S. work visa sponsorship is not available now or in the future.
• Ability to work in a laboratory environment and perform experiments in a fume hood and complex data analysis.

Nice to have

• Experience with reaction modeling, property prediction, and process simulation tools such as gPROMS, Aspen, DynoChem, VisiMix, or COSMOtherm.
• Experience designing, developing, and scaling continuous flow processes, with foundational organic chemistry and crystallization knowledge.
• Knowledge of DOE studies, statistical analysis, analytical techniques, and in-situ process analysis tools.
• CFD expertise in M-Star or Fluent; programming with Python or Matlab; applied data science, machine learning, or AI experience.
• Experience automating laboratory equipment and processes with LabView.

Culture & Benefits

• Full-time, laboratory-based work within a multidisciplinary API Process Development team.
• Opportunities for cross-training and developing new process technologies.
• Benefits include a 401(k) with matching and additional retirement contributions, paid vacation and leave, and medical, prescription, dental, and vision coverage.
• International travel may be required for technology transfer and commercial product launch support.