Mid Level Process Development Engineer Jobs
Mid level process development engineer jobs go to engineers ready to own process development projects end to end, drive technical decisions with limited oversight, and mentor junior team members across the full development cycle. Openings are concentrated in Distribution & Wholesale, Biotechnology & Pharmaceuticals, and Electronics & Hardware, with 0% remote or hybrid availability, and employers like Rexel USA, Amgen, and Rexel actively hiring at this level now.
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Company description
Serif Biomedicines is a privately held, early-stage biotechnology company developing a novel approach to gene therapy that can address currently untreatable diseases. It was founded by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and grows first-in-category life sciences companies.
Flagship Pioneering has created over 100 groundbreaking companies over the past twenty years, all of which are pioneering novel and proprietary biological, industrial, and engineering approaches to solve major needs in human health and sustainability. These companies include Moderna (MRNA), Syros Pharmaceuticals (SYRS), Seres Therapeutics (NASDAQ:MCRB), Generate Biomedicines, Tessera Tx, Evelo Biosciences (EVLO), and Indigo Agriculture.
The role
We are seeking a highly motivated Scientist to support the development and scale-up of lipid nanoparticle (LNP) formulations for nucleic acid delivery. This role will focus on process optimization and scale-up of targeted LNPs encapsulating modified DNA and cofactor mRNA, while also contributing to research efforts aimed at improving LNP design and performance.
This is an ideal opportunity for a scientist with a strong background in process development who is interested in expanding into formulation development and early-stage R&D, including formulation screening and optimization of next-generation LNP systems.
The successful candidate will work collaboratively within cross-functional teams to advance LNP platform capabilities and support the development of scalable and robust nucleic acid delivery systems.
Key responsibilities
- Support process development and optimization activities for LNP formulation and scale-up, including mixing parameters, encapsulation efficiency, and reproducibility.
- Design and execute experiments to improve the performance and manufacturability of LNPs encapsulating modified DNA and mRNA.
- Collaborate with internal and external teams to support characterization and evaluation of LNP formulations.
- Assist with technology transfer and scale-up activities, including coordination with external partners or internal manufacturing teams.
- Analyze and interpret experimental data, maintain accurate documentation, and communicate findings to project teams.
- Stay current with advancements in LNP technologies and nucleic acid delivery approaches.
Professional experience and qualifications
- PhD. in Chemical Engineering, Pharmaceutical Sciences, Bioengineering, or a related field, with 3+ years of relevant industry experience; M.S. with 8+ years of experience; or Bachelor with 10+ years of experience.
- Strong background in process development, scale-up, or manufacturing of nanoparticle or LNP-based systems.
- Experience working with nucleic acid formulations (e.g., mRNA, DNA) is highly preferred.
- Familiarity with T mixing, or similar, formulation scale-up, and characterization techniques (e.g., DLS, encapsulation assays).
- Demonstrated ability to design experiments, analyze data, and solve complex technical problems.
- Strong communication and collaboration skills.
What We Offer
- Opportunity to work at the forefront of LNP formulation innovation
- Collaborative, science-driven culture with high impact research
- Competitive compensation and benefits package
ABOUT FLAGSHIP PIONEERING
Flagship Pioneering invents and builds platform companies, each with the potential for multiple products that transform human health, sustainability and beyond. Since its launch in 2000, Flagship has originated more than 100 companies. Many of these companies have addressed humanity most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.
Flagship has been recognized twice on FORTUNE Change the World list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies and has been twice named to Fast Company annual list of the World Most Innovative Companies. Learn more about Flagship https://url.us.m.mimecastprotect.com/s/xLXBCqxk3LTk9pwcZf3CEkjif?domain=flagshippioneering.com.
At Flagship, we accept impossible missions to enable bigger leaps. Our core values guide us through uncertainty and toward lasting impact.
We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.
Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, "FSP") do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering's internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.
Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI-assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for questions, contact privacy@flagshippioneering.com.
Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI-assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for questions, contact privacy@flagshippioneering.com.
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Find JobsMid Level Process Development Engineer Job Market
Who's Hiring
- Rexel USA9

- Amgen3
- Rexel3
- SkyWater Technology Foundry3
- Micron Idaho Semiconductor Manufacturing (Triton)3

Top Industries Hiring
- Distribution & Wholesale13
- Biotechnology & Pharmaceuticals11
- Electronics & Hardware9
- Science & Research8
- Medical Devices6
Mid Level Process Development Engineer Jobs: Frequently Asked Questions
How do I get a mid level process development engineer job?
Position yourself around ownership and measurable results. Hiring managers at this level look for engineers who have led a process from concept through implementation, not just contributed to one. Highlight specific processes you have improved, metrics you have moved, and decisions you have made with limited guidance. Strong applications connect your existing project experience directly to the scope described in the job posting.
Which companies hire mid level process development engineers?
Companies hiring mid level process development engineers right now include Rexel USA, Amgen, and Rexel, based on current listings on Migrate Mate as of July 2026. Hiring at this level tends to come from established manufacturers, medical device firms, semiconductor companies, and consumer goods producers that run active development pipelines and need engineers who can operate independently.
Are there remote mid level process development engineer jobs?
Yes, though most roles involve at least some on-site work given the hands-on nature of process development. About 0% of mid level process development engineer openings are remote or hybrid as of July 2026, meaning hybrid schedules are far more common than fully remote arrangements. Roles tied to physical equipment, cleanrooms, or pilot plants typically require regular on-site presence.
How do I move up to a mid level process development engineer role?
The path from early-career to mid level is built on depth and demonstrated ownership. Engineers who reach this stage have typically moved beyond executing assigned tasks to initiating improvements, troubleshooting complex failures independently, and seeing projects through to production. Building expertise in a specific process domain, collecting measurable outcomes, and taking on cross-functional responsibilities signals readiness for mid level expectations.
Which industries hire the most mid level process development engineers?
Mid Level process development engineer roles concentrate in Distribution & Wholesale, Biotechnology & Pharmaceuticals, and Electronics & Hardware, based on current listings on Migrate Mate as of July 2026. These sectors drive hiring at this level because they operate continuous development cycles, face ongoing pressure to improve yield and scalability, and need engineers with enough experience to contribute to those efforts without close supervision.