Join the Sinister Diesel Team

Company Overview

Our business is growing and we need you! We are an established manufacturing company in the automotive industry and an online parts retailer who is looking for a skilled problem solver to join our team as an E-Commerce Specialist.

Position Summary

We are seeking a highly motivated and experienced individual to join our team as an E-Commerce Specialist. In this role, you will be responsible for managing and growing our online sales platforms with a focus on product listings, digital merchandising, performance optimization, and customer experience.

Key Responsibilities

• Manage and optimize product listings across various e-commerce platforms (e.g., MIVA, Amazon, eBay)
• Ensure accurate and engaging product descriptions, images, pricing, and categorization
• Monitor performance metrics and identify areas for improvement
• Develop and implement strategies to increase online sales and customer engagement
• Coordinate with marketing and customer service teams to align promotions and messaging
• Maintain inventory and stock availability across platforms
• Execute promotional campaigns and seasonal merchandising updates
• Stay current with e-commerce trends and best practices
• Assist with data reporting and performance analysis
• Provide support for new product launches and digital content updates

Qualifications

• 2+ years of experience in e-commerce management or digital merchandising
• Strong knowledge of online marketplaces and CMS platforms (Shopify, Amazon Seller Central, etc.)
• Experience with listing optimization, keyword research, and basic SEO
• Proficiency with tools like Excel/Google Sheets, and familiarity with analytics dashboards
• Detail-oriented with strong organizational and multitasking skills
• Ability to work effectively in a fast-paced team environment
• Excellent communication and problem-solving skills
• Basic understanding of digital advertising (PPC) is a plus
• High school diploma required; additional marketing or business education is a plus

Schedule: 8-hour shift, Monday to Friday, No weekends, Overtime as needed

Work Location: In person at our Roseville, CA facility

Company Overview

Our business is growing and we need you! We are an established manufacturing company in the automotive industry and an online parts retailer who is looking for a reliable and hardworking individual to join our team as an Entry-Level CNC Loader.

Position Summary

We are seeking a dependable and detail-oriented individual to join our manufacturing team as an Entry-Level CNC Loader. In this role, you will assist with daily production by loading and unloading parts into our CNC machines. No previous CNC experience is required — we will provide on-the-job training for the right candidate.

Key Responsibilities

• Load and unload raw materials and finished parts into CNC machines
• Start and monitor machines using pre-programmed setups
• Perform visual inspections and basic measurements to ensure part quality
• Maintain a clean, safe, and organized work environment
• Support machinists and team leads with daily production tasks
• Follow all safety procedures and company policies
• Learn and follow production schedules to meet deadlines
• Participate in cross-training and skill development as needed

Qualifications

• High school diploma or equivalent
• Strong attention to detail and a willingness to learn
• Ability to work in a fast-paced manufacturing environment
• Able to stand for extended periods and lift up to 50 lbs
• Positive attitude and strong work ethic
• Good communication and teamwork skills
• Previous shop or manufacturing experience is a plus, but not required

Schedule: 8-hour shift, Monday to Friday, No weekends, Overtime available

Work Location: In person at our Roseville, CA facility

Company Overview

Our business is growing and we need you! We are an established manufacturing company in the automotive industry and an online parts retailer who is looking for a skilled and dependable individual to join our team as a CNC Operator.

Position Summary

We are seeking a highly motivated and experienced CNC Operator to join our in-house manufacturing team. As a CNC Operator, you will play a key role in producing precision-machined parts using Haas CNC machines. You will be responsible for running production jobs, performing quality checks, and helping ensure that all parts meet our exacting standards.

Key Responsibilities

• Operate Haas CNC machines (mills and/or lathes) for daily production
• Load raw materials and monitor machine operations during the run cycle
• Perform quality checks using calipers, micrometers, and other precision tools
• Read and interpret technical drawings and blueprints
• Maintain tooling, monitor tool wear, and make basic offsets or adjustments as needed
• Keep work area clean, organized, and safe
• Communicate with team members and supervisors to maintain workflow and minimize downtime
• Follow all safety and quality control procedures
• Support continuous improvement initiatives within the machine shop

Qualifications

• 2+ years of experience operating CNC machines (Haas preferred)
• Familiarity with G-code, tool offsets, and basic setup
• Ability to read blueprints and use precision measurement instruments
• Attention to detail and strong mechanical aptitude
• Ability to work independently and as part of a team
• High school diploma or equivalent; machining trade school a plus
• Physical stamina to stand for extended periods and lift up to 50 lbs

Schedule: 8-hour shift, Monday to Friday, No weekends, Overtime available

Work Location: In person at our Roseville, CA facility

Company Overview

Our business is growing and we need you! Sinister Diesel is an established manufacturing company in the automotive industry and a leading online retailer of aftermarket diesel performance parts. We're looking for a detail-oriented and driven individual to join our team as a Purchasing Assistant to help support our procurement and inventory operations.

Position Summary

We are seeking a reliable and organized Purchasing Assistant to support our purchasing department. In this role, you'll help ensure the accurate and timely ordering of parts and materials, maintain strong vendor relationships, and assist with inventory management. This is a key role that helps keep our production and fulfillment teams running efficiently.

Key Responsibilities

• Assist in issuing purchase orders and tracking order status
• Communicate with vendors to confirm pricing, availability, and delivery timelines
• Maintain accurate inventory and purchasing records
• Coordinate with receiving and warehouse teams to resolve order issues
• Help monitor stock levels and suggest reorders when needed
• Support procurement team with data entry and administrative tasks
• Identify opportunities to streamline purchasing processes
• Work closely with internal departments to ensure purchasing needs are met

Qualifications

• High school diploma or equivalent; college coursework or business-related training is a plus
• 1+ years of experience in purchasing, procurement, or inventory management preferred
• Proficiency in Microsoft Excel and basic computer systems
• Excellent organizational skills and attention to detail
• Strong verbal and written communication skills
• Ability to multitask and meet deadlines in a fast-paced environment
• Self-starter with a positive attitude and problem-solving mindset

Schedule: 8 hour shift, Monday to Friday, No weekends, Overtime as needed

Work Location: In person at our Roseville, CA facility

Position Summary

We are seeking a highly motivated and accurate individual to join our operations team as a Data Entry Clerk. In this role, you'll help keep our product and inventory information accurate and up to date. You'll work closely with purchasing, inventory, and product teams to ensure smooth data flow and reliable backend support.

Key Responsibilities

• Accurately enter product, pricing, and inventory data into internal systems
• Update SKUs, part descriptions, and vendor information as needed
• Maintain clean and organized digital records
• Collaborate with team members to resolve discrepancies or data issues
• Assist with tracking product updates and purchase orders
• Follow internal procedures for data management and accuracy
• Support other administrative tasks as needed
• Uphold accuracy standards and meet assigned deadlines

Qualifications

• High school diploma or equivalent
• 1+ year of data entry or clerical/administrative experience preferred
• Strong attention to detail and organizational skills
• Comfortable using Excel and web-based tools
• Fast, accurate typing skills
• Strong communication and problem-solving abilities
• Ability to stay focused in a structured, fast-paced environment

Schedule: 8-hour shift, Monday to Friday, No weekends, Overtime available

Work Location: In person at our Roseville, CA facility