Contract Manufacturing Manager, Supplements

JuneShine Brands•San Diego, CA

5d•Hybrid

About The Position

The Manager of Contract Manufacturing, Supplements owns day-to-day execution and management across our supplement co-manufacturing network, with supplements production as a core strategic pillar of the business. This role ensures all supplement products are produced on time, on spec, and on cost, while navigating the unique regulatory, compliance, and operational demands of the supplement industry. Reporting to the Director of External Manufacturing, you translate strategy into action. You hold partners accountable, protect margins, solve problems fast, and keep product moving. You’ll partner cross-functionally with R&D, Supply Chain, Quality, Finance, and Commercial teams while serving as the face of JuneShine Brands with all supplement co-manufacturing partners. This is a hands-on role for someone who thrives in fast-paced environments and understands that supplements manufacturing requires both operational rigor and deep category expertise.

Requirements

4-6 years of experience in contract or co-manufacturing management within the dietary supplements, nutraceuticals, or functional health and wellness industry
Hands-on expertise across multiple supplement dosage forms, including powders, gummies, stikpaks, and nutraceuticals
Demonstrated track record managing a portfolio of co-manufacturing partners from partner selection through ongoing performance management
Strong working knowledge of supplement regulatory requirements, including FDA 21 CFR Part 111 (cGMP for dietary supplements), NSF, USP, and third-party certification standards
Proven ability to manage R&D scale-up, formula transfer, and new product commercialization at contract manufacturers
Demonstrated understanding of COGS, tolling structures, yield management, and their impact on gross margin
Proficiency in ERP or production management systems (Ekos preferred)
Experience managing multiple co-manufacturing partners and shifting production priorities simultaneously
Strong negotiation, communication, and relationship-building skills with both internal stakeholders and external manufacturing partners
Ability and willingness to travel up to 35%, with occasional needs up to 50% for audits, partner onboarding, and new product launches

Nice To Haves

Experience in the CPG beverage or functional beverage category in addition to supplements
Familiarity with clean label, organic, or third-party certified supplement production (NSF Sport, Informed Sport, Non-GMO Project)
Background in supply chain or procurement functions adjacent to contract manufacturing
Familiarity with lean manufacturing or continuous improvement methodologies
Experience working in a high-growth startup or emerging brand environment

Responsibilities

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

Benefits

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
529 education savings accounts
12 weeks of paid Equal Parental Leave
$500 Baby Bonding Bucks
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