Group Viticulturist â External Vineyards

SUMMARY:
International Wine Group based in Stellenbosch is looking for an experienced Group Viticulturist: External Vineyards to lead their external vineyard sourcing and grower partnerships.

This is a senior, relationship-driven role at the intersection of viticulture, commercial negotiation, and quality assurance responsible for securing the high-quality grapes and bulk wine that underpin their winemaking programme and business strategy across the group.

You'll work closely with third-party grape producers from contracting through to harvest, providing hands-on technical guidance, negotiating supply agreements and ensuring every block delivers on quality, volume, and sustainability commitments.

POSITION INFO:
Duties:

Contract new and existing grape and bulk wine supply agreements each year, aligned with group vineyard and costing strategy and based on availability of bulk wine within in the group
Negotiate annual grape pricing with producers, in conjunction with the head of grape procurement, within budget and strategy
Lead third-party bulk wine sourcing in line with company sourcing strategy
Build and maintain strong, trust-based relationships with growers, providing regular feedback on grape performance
Provide ongoing viticultural guidance and technical support to producers throughout the growing season
Coordinate harvest scheduling and grape intake planning across production facilities for accurate, reliable forecasting
Monitor and sample ripeness levels during harvest to support quality control and timely decision-making
Maintain accurate records of production, costs, producer information, and traceability data
Support certification and compliance with external sustainability standards (e.g. IPW, WIETA, BSCI) in line with ASA's ESG goals
Participate actively in the CAV forum, sharing insights and best practice across the viticulture team


Requirements:

Grade 12
B.Sc Agric in Viticulture and Winemaking
At least 10 years' experience in a senior winegrape production role
At least 5–7 years' experience working directly with grape producers and contracting winegrapes
Local and international exposure to winegrape production trends and practices
Strong negotiation skills and commercial acumen, balanced with genuine relationship-building ability
A hands-on, field-based approach comfortable spending regular time with producers throughout the season