Maintenance Mechanic III

Job Description:

Are you a skilled, hands-on mechanic who takes pride in keeping complex systems running at their best? Do you get satisfaction from diagnosing a tricky electrical fault or welding up a custom fix before the next harvest begins? If you love owning challenging problems, working across a wide range of mechanical and technical systems, and being the person your team counts on to get it done, then this may be the job for you!

Our Facilities team is the backbone of everything that happens at Domaine Carneros. As our Maintenance Mechanic III, you’ll take ownership of the maintenance and repair of our building infrastructure, winery support systems, winemaking equipment, refrigeration, boilers, HVAC, potable and wastewater treatment, and the winery’s microgrid, ensuring safety standards are upheld, production is uninterrupted, and every system is performing optimally.

Some of the role requirements are:
• Perform repairs, modifications, and preventative maintenance of facility plumbing, mechanical, and electrical systems, wine processing equipment, HVAC, potable water, and wastewater and sanitary treatment systems.
• Identify issues and troubleshoot repairs efficiently and effectively to minimize downtime and protect winery operations.
• Perform journey-level skilled work, collaborating with Facilities leadership to problem-solve and recommend cost-efficient solutions.
• Assist with scheduling and executing routine preventive maintenance for all facilities and wine processing equipment.
• Coordinate and direct outside contracted work and ensure quality outcomes.
• Maintain accurate records in CMMS and Planner systems, documenting task completion, time, and detailed activities.
• Keep tools and equipment inventory organized, stored properly, and in excellent condition.
• Provide coaching, training, and technical guidance to co-workers to build team capability.
• Update and maintain standard operating procedures for all job responsibilities.
• Assist the facilities and groundskeeping team with projects as needed to meet critical timelines.

Qualifications:
• Minimum of 5 years of experience in facilities maintenance or a similar role.
• Prior experience working in a winery facilities or maintenance environment preferred.
• Completion of technical training or journey-level education in HVAC, electrical, plumbing, welding, or equivalent experience.
• Proficiency troubleshooting and repairing electrical equipment (motors, switches, lighting) and electrical controls (MCCs, thermostats, probes, tank controls, gas monitors).
• Ability to read and interpret one-line electrical diagrams, P&IDs, blueprints, and equipment manuals.
• Skilled in troubleshooting and repairing HVAC systems, hot water boilers, air compressors, and refrigeration equipment.
• Proficient in troubleshooting and repairing winery equipment including pumps, valves, filtration, and processing equipment.
• Experience with water, wastewater, and sanitary treatment systems.
• Proficient in metal fabrication (welding, cutting, bending), carpentry (framing, sheetrock, trim), and plumbing (pipe fitting, fixture replacements).
• Intermediate computer skills; proficient in PC and MS Office (Word, Excel, Outlook) and CMMS platforms.
• Strong verbal and written communication skills; bilingual fluency in English and Spanish is a plus.
• Ability to work independently and collaboratively, multi-task, and prioritize effectively.
• Willingness to cross-train and actively share knowledge across the team.
• Valid California driver’s license with ability to be insured under the Company’s driver’s program.
• Ability to obtain forklift certification within the first 30 days of employment.
• Strong attention to detail and solid math skills for calibration, documentation, and repair calculations.

Why you will love working at Domaine Carneros:
• Great work deserves to be celebrated: This full-time, on-site role comes with a competitive salary, a full health benefit package, generous vacation accrual, and other wellness, financial, and educational resources and benefits.
• A role with real ownership: You won’t be a cog in a machine. You’ll own meaningful systems and have the latitude to shape how we care for them.
• Diverse, inclusive, equitable culture: Your ideas, identity, and background are celebrated here. We mean it.
• Team-first environment: We collaborate, support each other, and share our wins across the entire organization.
• A beautiful place to work: Stunning vineyard views, exceptional wine, and people who genuinely enjoy working together.
• Growth & learning built in: Stay sharp with certifications, industry trends, and a team that’s always improving.

Domaine Carneros is an equal opportunity employer that thrives as a diverse workforce committed to treating all employees equitably and to providing an inclusive and collaborative working environment. Not only do we strive to provide a healthy and happy work environment, we also care about our impact on the community and land surrounding us. Being a part of the DC team means being a part of a company that offers exceptional benefits that focus on employees’ overall wellness, career development and mentorship opportunities, and educates and drives sustainability initiatives that make a difference in our community. If your qualifications are a match, then please apply today!

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