Contract Manufacturing Manager, Supplements

JuneShine

Manager of Contract Manufacturing overseeing supplement production and co-manufacturing partnerships at JuneShine Brands. Ensuring compliance, quality, and timely delivery of supplement products.

Posted 6/17/2026full-timeSan Diego • California • 🇺🇸 United StatesMid-LevelSenior💰 $110,000 - $120,000 per yearWebsite

Tech Stack

Tools & technologies

ERP

About the role

Key responsibilities & impact

Assist with identification, evaluation, and onboarding of co-manufacturing partners for supplement formats including powders, gummies, stikpaks, and nutraceuticals based on quality capabilities, capacity, regulatory compliance, and cost competitiveness
Serve as the primary relationship owner for all supplement contract manufacturers, acting as the face of JuneShine Brands in all partner interactions
Manage a portfolio of co-manufacturing partners, establishing clear performance expectations, operating within established SLAs, and collaborative operating SOPs
Conduct regular site visits, capability assessments, and manufacturing audits to ensure cGMP compliance, quality adherence, and continuous improvement
Lead production calls and run direct, solutions-focused conversations with partners
Convert demand forecasts into clear, executable production schedules across the co-manufacturing network
Oversee scheduling, production runs, and finished goods delivery to ensure on-time fulfillment to the distribution network
Manage raw material and packaging supply alignment with co-manufacturers, partnering with Supply Chain to prevent shortages or delays
Oversee production data and inventory accuracy in ERP systems (Ekos preferred)
Monitor tolling, material usage, and production variances to protect margins
Monitor and manage inventory levels at co-manufacturers to optimize working capital and minimize waste
Identify and resolve production bottlenecks, non-conformances, and delivery disruptions in a timely and cost-effective manner
Partner with internal and external Quality Assurance teams to ensure all supplement products meet FDA, cGMP, NSF, and company quality requirements
Drive resolution of quality issues, non-conformances, and CAPA processes with co-manufacturing partners
Ensure co-manufacturers maintain appropriate certifications and documentation in compliance with regulatory requirements for dietary supplements (FDA 21 CFR Part 111)
Support label accuracy and product specification integrity across all externally manufactured supplement SKUs
Manage contract manufacturer accountability for COGS targets, tolling costs, and budget performance in partnership with Finance
Track KPIs and address performance gaps before they become problems
Identify and lead cost reduction and efficiency improvement initiatives without compromising quality or delivery
Provide clear operational updates and risk visibility to the Director of External Manufacturing
Partner with R&D on new product development, supporting co-manufacturer selection, trial runs, scale-up, and commercial launch readiness for new supplement formats and SKUs
Collaborate cross-functionally with Marketing, Sales, and Product teams to align on timelines, product specifications, and launch priorities
Lead co-manufacturer onboarding projects from validation through first commercial production
Identify practical process improvements that make production faster, cleaner, and more efficient

Requirements

What you’ll need

4-6 years of experience in supplement, nutraceutical, or CPG contract manufacturing with hands-on expertise across powders, gummies, stikpaks, and nutraceuticals
Deep understanding of the regulatory, formulation, and operational demands of the supplement industry - able to hold manufacturers accountable while building strong partnerships
Financially fluent in how schedules, yields, tolling costs, and material planning impact gross margin
Comfortable on a production floor, in an ERP system, and in direct performance conversations with co-manufacturing partners
Structured and solutions-oriented - you move quickly when issues arise and bring clarity, accountability, and follow-through without hiding behind process
Ideally based in San Diego/Southern CA area

Benefits

Comp & perks

Unlimited Paid Time Off
Paid sick leave in accordance with state and local laws
Healthcare coverage: up to 90% company contribution for employees and 25% for dependents
Voluntary vision, dental, and accidental plans
401(k) with up to 4% company match, free financial coaching, student loan match support, and 529 education savings accounts
12 weeks of paid Equal Parental Leave, $500 Baby Bonding Bucks, and a sustainable baby gift
Dedicated parental leave support, including a personalized dashboard, full pay transparency, and a specialist to handle every logistical detail so you can focus on your family
Product and soft goods discounts & perks
And more!

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

cGMP complianceproduction schedulinginventory managementquality assurancecost reductionperformance trackingmanufacturing auditsprocess improvementdemand forecastingCAPA processes

Soft Skills

relationship managementproblem-solvingcommunicationcollaborationaccountabilitystructured thinkingsolutions-orientedleadershipcross-functional collaborationadaptability

Certifications

FDA compliancecGMP certificationNSF certification