
Main Office 2160 Lanier Ln, Rockville VA, 23146 Tel 804-364-0500 Fax 804-474-1753
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Locally owned since 1996, S.B. Cox Ready Mix is celebrating 30 years of supplying Virginia with high-quality ready-mix concrete and aggregate materials to customers in the Richmond metro area and surrounding counties. Guided by our core values of Performance, Accountability, Community, and Empowerment, our VDOT and NRMCA certified plants and ACI-certified technicians deliver the highest level of quality control from start to finish.
S.B. Cox Ready Mix operates nine ready mix plants in Virginia — Goochland-Rockville, Sandston, Powhatan, Doswell, Blackstone, Meherrin, Smithfield, Chesapeake, and Gloucester — along with four public stone yards in Goochland-Rockville, Sandston, Smithfield - Farmers Service, and Gloucester - Sears Contracting Corp, stocked with stone, sand, mulch, and more. Our Farmers Service location also operates the ACE Hardware in Smithfield.
When Performance Counts.

Service Writer
Rockville, VA
Job Scope and Responsibilities:
The Automotive Service Writer is the primary communication and documentation link between drivers, dispatch, mechanics, parts personnel, and management. This position is responsible for opening, tracking, and closing all repair orders, coordinating shop workflow, providing timely status updates, and maintaining accurate fleet maintenance records to minimize downtime and support on-time concrete deliveries.
Reporting Structure:
The Service Writer reports directly to the Shop Manager and has a functional reporting line to the Director of Operations, Equipment & Fleet Services.
Key Duties:
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Open and document repair orders with driver complaints, vehicle information, mileage/hours, and priority level
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Assign work to mechanics and communicate estimated completion times to drivers and dispatch
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Update repair orders in real time with technician notes, parts used, labor hours, and additional findings
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Review and close completed repair orders, ensuring accuracy and proper charging
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Serve as main point of contact for drivers, dispatch, and batch plant on truck status and return-to-service times
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Coordinate scheduled PMs, DOT inspections, and warranty work with operations
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Work with Parts department to ensure correct parts are ordered and charged to repair orders
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Maintain complete and accurate service history records for all fleet assets
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Generate downtime, repeat repair, and performance reports for Shop Manager
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Answer shop phones, radios, and assist with basic administrative tasks as needed
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Promote a clean, safe shop environment and professional driver interactions
Qualifications:
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Minimum 2 years experience as a Service Writer or Service Advisor in heavy-duty truck, construction, or ready-mix environment
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Strong mechanical knowledge of diesel trucks and ready-mix equipment
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Proficient with fleet maintenance software and basic computer skills
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Excellent communication, organization, and customer service skills
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Ability to stay calm and professional in a fast-paced, high-pressure shop
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Valid driver’s license (Class B CDL preferred but not required)
Additional Requirements:
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Ability to multitask and prioritize in a busy environment
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Detail-oriented with strong record-keeping abilities
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Willingness to assist shop team as needed
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Commitment to safety and teamwork
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Join a company with a strong legacy and commitment to excellence in the concrete industry