Full-Time

Aseptic Process Engineer

Manufacturing Science & Technology

Nivagen Pharmaceuticals

Nivagen Pharmaceuticals

51-200 employees

Develops, acquires, and markets generic drugs

No salary listed

No H1B Sponsorship

Sacramento, CA, USA

In Person

Must live in or relocate to the Sacramento Metropolitan Region within approximately 40 miles. Regular on-site presence is required; limited remote work may be possible.

Bachelor's, Master's

Category
Biology & Biotech (1)
Required Skills
Process Engineering
GMP
Word/Pages/Docs
Data Analysis
Excel/Numbers/Sheets

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Requirements
  • Strong understanding of aseptic processing, sterile drug product manufacturing, contamination control, and current Good Manufacturing Practice requirements.
  • Working knowledge of formulation, sterile filtration, filling, stoppering, capping, sealing, inspection, and packaging interfaces.
  • Ability to troubleshoot process issues and apply structured root cause analysis tools.
  • Ability to analyze manufacturing data, process trends, deviations, and performance metrics.
  • Strong technical writing skills for investigations, reports, protocols, standard operating procedures, batch records, and change controls.
  • Strong communication, collaboration, and project execution skills.
  • Ability to work effectively on the manufacturing floor and with cross-functional teams in a fast-paced Good Manufacturing Practice environment.
  • Proficiency with Microsoft Word, Excel, PowerPoint, and data analysis tools.
  • A bachelor's degree in chemical engineering, biochemical engineering, biomedical engineering, mechanical engineering, pharmaceutical sciences, life sciences, or a related technical discipline.
  • A valid driver's license and acceptable driving record.
  • Legal authorization to work in the United States; accepted statuses are U.S. citizens or nationals and permanent residents.
  • Residence in or willingness to relocate to the Sacramento Metropolitan Region within approximately 40 miles.
  • Ability to sit, stand, walk, bend, reach, and climb stairs as needed to support manufacturing and engineering activities.
  • Ability to work at a computer workstation for extended periods.
  • Ability to enter manufacturing suites, cleanrooms, packaging areas, utility spaces, and equipment rooms as required.
  • Ability to wear required personal protective equipment and cleanroom gowning for extended periods when supporting classified areas.
  • Ability to visually inspect equipment, materials, documentation, process conditions, and computer screens.
  • Ability to lift, carry, push, or pull materials, laptops, sample containers, or equipment components weighing up to 25 pounds as needed.
  • Ability to work overtime, weekends, holidays, alternative shifts, or on-call support as business needs require.
Responsibilities
  • Provide technical support for aseptic manufacturing processes including formulation, sterile filtration, product transfer, aseptic filling, stoppering, capping, sealing, and related fill-finish operations.
  • Support sterile drug product formats including vials, prefilled syringes, cartridges, and flexible containers or bags.
  • Serve as a technical resource for Manufacturing during batch execution, process setup, line startup, changeover, and shutdown activities.
  • Evaluate process performance and identify opportunities to improve robustness, yield, throughput, right-first-time execution, and contamination control.
  • Support process readiness activities including procedures, batch records, training, equipment setup, materials, and critical process parameters.
  • Support operations performed in Grade A, B, C, D, and controlled manufacturing areas.
  • Support contamination control strategy implementation, including aseptic behaviors, cleanroom practices, intervention management, airflow considerations, and process risk reduction.
  • Participate in aseptic process simulations, media fills, smoke studies, airflow visualization activities, and contamination control assessments.
  • Assess process interventions, line design, personnel interactions, material movement, and equipment interactions for contamination risk.
  • Investigate environmental monitoring trends, sterility-related events, and aseptic process concerns with Manufacturing, Microbiology, Quality Assurance, and Validation.
  • Monitor process performance using batch data, process parameters, yield data, reject trends, downtime data, and quality metrics.
  • Troubleshoot process issues and provide technical recommendations during manufacturing interruptions, equipment challenges, or batch deviations.
  • Perform data analysis to identify trends, root causes, and improvement opportunities.
  • Support process optimization for formulation, fill-volume control, filtration, product transfer, component handling, and filling performance.
  • Develop and implement process improvements to reduce deviations, improve efficiency, and maintain product quality.
  • Lead or support technical investigations for deviations, process excursions, contamination events, equipment-related events, batch interruptions, and quality issues.
  • Perform root cause analysis and document technical assessments in accordance with site quality procedures.
  • Develop, implement, and verify corrective and preventive actions related to aseptic manufacturing processes.
  • Initiate, assess, and execute change controls for process improvements, equipment modifications, procedural changes, and new product or process introductions.
  • Document technical conclusions, impact assessments, and risk evaluations in alignment with Good Manufacturing Practice expectations.
  • Support process validation, cleaning validation, sterilization validation, filter validation, and continued process verification activities.
  • Author, review, and execute validation-related documents including protocols, reports, process risk assessments, sampling plans, and summary reports.
  • Support process performance qualification, engineering runs, media fills, and commercial process monitoring.
  • Evaluate validation data and process capability to ensure processes remain in a state of control.
  • Maintain process validation lifecycle documentation with Validation, Quality, Manufacturing, and Engineering.
  • Support technology transfer and new product introduction activities for sterile drug product manufacturing processes.
  • Translate process requirements into manufacturing instructions, equipment needs, facility requirements, batch records, and process parameters.
  • Participate in process fit assessments, gap assessments, risk assessments, and manufacturing readiness reviews.
  • Support engineering runs, clinical or commercial scale-up, process comparability assessments, and launch readiness activities.
  • Collaborate with Development, Manufacturing Science and Technology, Quality, Validation, Supply Chain, and Manufacturing to implement processes successfully.
  • Provide process engineering support for aseptic processing equipment, including isolators, restricted-access barrier systems, filling lines, pumps, filtration systems, stopper and cap handling systems, bag filling systems, and related support equipment.
  • Support equipment design reviews, user requirements, commissioning, qualification, factory acceptance testing, site acceptance testing, and operational readiness activities.
  • Resolve process-equipment interface issues with Maintenance, Automation, Facilities, and Engineering.
  • Support process requirements for cleanrooms, utilities, environmental controls, sterilization and decontamination systems, and product-contact equipment.
  • Help define and maintain process-critical equipment parameters, alarms, recipes, and operational limits.
  • Author and review Good Manufacturing Practice documents including standard operating procedures, batch records, protocols, technical reports, change controls, deviations, corrective and preventive actions, risk assessments, and process descriptions.
  • Ensure process documentation reflects approved manufacturing processes and current operational practices.
  • Update documentation related to process improvements, investigations, validation outcomes, and regulatory commitments.
  • Maintain compliance with current Good Manufacturing Practice, Good Documentation Practice, data integrity, validation, and company quality-system expectations.
  • Support regulatory inspections, customer audits, internal audits, and inspection-readiness activities.
  • Resolve process-related issues with Manufacturing, Quality Assurance, Quality Control, Validation, Engineering, Maintenance, Automation, Supply Chain, and Technical Operations.
  • Provide technical training and process knowledge transfer to Manufacturing Technicians, Supervisors, and support teams.
  • Participate in production meetings, tier meetings, deviation review boards, validation meetings, and project meetings.
  • Communicate process risks, technical recommendations, and project status to stakeholders.
  • Promote safety, quality, compliance, and continuous improvement.
  • Support urgent process issues, manufacturing campaigns, validation activities, engineering runs, and planned production or maintenance windows.
  • Provide shutdown coverage and on-call support when required.
Desired Qualifications
  • Knowledge of process validation, cleaning validation, computerized systems, and continued process verification concepts.
  • An advanced degree in engineering, pharmaceutical sciences, biotechnology, or a related discipline.
  • Three to five years of experience in a pharmaceutical, biotechnology, biologics, medical device, or regulated manufacturing environment.
  • Experience supporting sterile manufacturing, aseptic fill-finish, formulation, process engineering, Manufacturing Science and Technology, validation, or technical operations.
  • Experience with aseptic processing for vials, prefilled syringes, cartridges, or flexible containers or bags.
  • Experience supporting deviations, corrective and preventive actions, change controls, process validation, or technology transfer in a Good Manufacturing Practice environment.
Nivagen Pharmaceuticals

Nivagen Pharmaceuticals

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Nivagen Pharmaceuticals develops, acquires, and sells generic prescription drugs and OTC products for the North American market. It leverages global partnerships with FDA-approved manufacturing facilities to deliver high-quality, affordable products and collaborates with the world’s best CROs and CRAMs to develop and manufacture niche generics. The company supports small FDA-qualified manufacturers entering the U.S. market and differentiates itself through its ability to launch new generic products and its strong sales and marketing team, rather than relying on a single manufacturing or development approach. Revenue comes from product development, co-development, acquisitions, in-licensing, and providing sales and marketing services. Nivagen aims to grow its portfolio by forging CRO/CRAM partnerships, acquiring existing products, and expanding its product lineup to capture a larger share of the evolving generic and OTC market in North America.

Company Size

51-200

Company Stage

Growth Equity (Venture Capital)

Total Funding

$26M

Headquarters

Sacramento, California

Founded

2009

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Simplify Jobs

Simplify's Take

What believers are saying

  • PAI Pharma's January 6, 2026 acquisition brings Olympus-backed capital and distribution.
  • Owning the Sacramento site after February 2026 strengthens expansion and regulatory control.
  • Shortage-sensitive injectable demand supports faster commercialization for Nivagen's RTU pipeline.

What critics are saying

  • Nivagen's zinc oxide Class II recall, started October 31, 2025, remains ongoing.
  • California recalled atorvastatin tablets in September 2024 for a carbamazepine mix-up.
  • Repeated cGMP failures or sterile contamination would trigger FDA shutdowns and destroy hospital trust.

What makes Nivagen Pharmaceuticals unique

  • Sacramento's 100,000-square-foot sterile facility makes Nivagen unusually domestic for injectables.
  • Nivagen built over 20 ready-to-use sterile injectables before PAI Pharma's January 2026 acquisition.
  • Its 503B compounding and CDMO services target shortage-driven hospital demand directly.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Paid Time Off

401 (k) savings plan

Growth & Insights and Company News

Headcount

6 month growth

-4%

1 year growth

-4%

2 year growth

-7%
PE Hub
Jan 6th, 2026
Olympus-backed PAI Pharma picks up Nivagen Pharmaceuticals

Olympus-backed PAI Pharma picks up Nivagen Pharmaceuticals. Headquartered in Greenville, South Carolina, PAI is a developer, manufacturer and marketer of oral liquid medicines. * Nivagen operates an aseptic manufacturing facility in Sacramento, California, designed to support the production of IV bags, vials, prefilled syringes, and cartridges * Nivagen was founded in 2009 PAI Pharma, which is backed by Olympus Partners, has acquired Nivagen Pharmaceuticals, Inc, a Sacramento, California-based pharmaceutical company. No financial terms were disclosed. Gain instant access to our expert editorial analysis and in-depth insight. Already have an account? Sign in.

Benzinga
Jan 6th, 2026
PAI Pharma acquires Nivagen to expand US sterile injectable manufacturing amid persistent drug shortages

PAI Pharma, a portfolio company of Olympus Partners, has acquired Nivagen Pharmaceuticals, a California-based pharmaceutical company specialising in ready-to-use sterile injectables. The deal expands PAI's domestic manufacturing capabilities and addresses persistent drug shortages in the US healthcare system. Nivagen operates a state-of-the-art aseptic manufacturing facility in Sacramento, producing IV bags, vials, prefilled syringes and cartridges. The company brings over 20 injectable products to complement PAI's existing sterile portfolio of approximately 10 products in development and four on the market. The acquisition aligns with growing efforts to reshore pharmaceutical production and reduce reliance on foreign supply chains. PAI Pharma was advised by Bourne Partners, Kirkland & Ellis and KPMG, whilst Olympus Partners provided backing for the transaction.

Private Equity Info
Aug 22nd, 2022
Corbel Capital Partners invests into Nivagen Pharmaceuticals, Inc.

Corbel Capital Partners invested in Nivagen Pharmaceuticals (Sacramento, CA, US), a specialty pharmaceuticals business that develops and sells generic and branded prescription drugs.