Building a career at Granite may be the most valuable thing you could do... Find your dream job today, and be part of something great. Our most powerful partnership is the one we have with our employees. Our people are our most valued asset and the foundation of Granite’s century-old success. We’re building more than infrastructure; we are building your future. General Summary Operator will perform a pre trip inspection prior to commencing work, and needs ot be capable of mixing lime at at various depths with consistency in accordance with TXDOT Quality Control specifications. Essential Job Accountabilities Machine Setup & Operation: sets up, controls, and maintains the industrial machinery used to blend raw lime (calcium oxide or hydrated lime) with water, sand, or other chemical aggregates. Because of the highly caustic nature of lime, this role requires strict adherence to safety protocol alongside careful mechanical management. Calibrate, load, and run heavy mixing machine Batch Consistency & Measurements: Weigh, measure, and load raw chemical ingredients according to precise formula specifications. For construction and masonry mortars, operators manage specific water-to-lime proportions and monitor exact mix durations (typically around 10 minutes) to ensure proper chemical blending without losing light materials to the wind Quality Assurance: Inspect the "slump" or thickness of the output and pull regular physical samples to verify chemical ratios conform to rigorous quality standards. Preventative Maintenance: Clean machinery components, troubleshoot blockages with hand tools, and clear bulk sediment between formulation changes to keep equipment operating efficiently. Safety & PPE Compliance: Due to hazardous dust and chemical burn risks from quicklime, operators must wear specialized Personal Protective Equipment (PPE) including respirators, goggles, and caustic-resistant gloves. Education High School Diploma, GED or equivalent years of experience Work Experience Appropriate training and experience required Knowledge, Skills and Abilities Workers should be able to: Operator Mixer Machine Practice good safety habits Work in dusty or dirty surroundings Follow instructions and meet set standards Make decisions based on verifiable standards. Physically, workers must be able to: Stoop, bend, and crouch Use hands, arms, and legs fully See well (either naturally or with correction) Lift up to 50 pounds, with frequent lifting and carrying of objects weighing up to 25 pounds. About Granite Construction Incorporated Granite Construction Incorporated is a member of the S&P 400 Index and is the parent company of Granite Construction Company, one of the nation's largest heavy civil contractors and construction materials producers. Granite is a Drug-Free Workplace and Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, protected veteran status, or any other protected characteristic. We consider qualified applicants with arrest and conviction records in accordance with the San Francisco Fair Chance Ordinance, the Los Angeles Fair Chance Initiative for Hiring Ordinance, and other applicable laws. For additional information on applicant/employee rights please click here. Notice to Staffing Agencies Granite Construction, Inc. and its subsidiaries ("Granite") will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Granite, including unsolicited resumes sent to a Granite mailing address, fax machine or email address, directly to Granite employees, or to Granite's resume database will be considered Granite property. Granite will NOT pay a fee for any placement resulting from the receipt of an unsolicited resume. Granite will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Granite's recruiting function to submit resumes, and then only in conjunction with a valid fully-executed contract for service and in response to a specific job opening. Granite will not pay a fee to any Agency that does not have such agreement in place. Agency agreements will only be valid if in writing and signed by Granite's Human Resources Representative or his/ her designee. No other Granite employee is authorized to bind Granite to any agreement regarding the placement of candidates by Agencies. Since 1922, Granite Construction has continued its long-standing commitment to building some of America’s largest infrastructure projects including highways, bridges, dams, rail, and power. Recognized as one of the top 25 largest construction companies in the U.S., Granite specializes in complex infrastructure projects and provides award-winning construction services in mining, earthwork, water/sewer, power, tunneling, rail, highway, and bridge construction. Granite also produces construction materials, gravel, ready-mix, recycled asphalt products, and asphalt concrete, and is a proven leader in alternative procurement project delivery. At Granite, our employees are our most valued asset and we are passionate about retaining, developing, and recruiting the best talent available. Our employees reflect our core values: Safety, Integrity, Excellence, Inclusion, and Sustainability and we are continuously looking for individuals who possess a winning attitude and share our Core Values. In exchange, we help you build a career that no other company can duplicate. You will be part of a learning culture, where teamwork and collaboration are encouraged, excellence is rewarded, and diversity is respected and valued. Add our award-winning safety program, ethics, reputation, and commitment to continuous improvement and you’ll see that we are building more than infrastructure—together, we are building your future.

Lime Mixer Machine Operator.

more at Granite.

Pump Installer - Layne

Field Mechanic - Layne

Project Engineer - RAIL

similar roles.

Intelligence Analyst - Critical Infrastructure Protection

Release Engineer

DevOps Solutions Architect

Senior Systems Engineer

Senior Network Engineer (Cloud & Infra)

Specialist - Smart Gas Systems