Careers

Position Summary

B2Z Engineering is seeking an Administrative Assistant to support our Mission office. This position works directly with our Director of Business Operations/HR Manager to coordinate hiring paperwork, track vendor invoices and follow up on day-to-day office requests. This role helps keep work moving by monitoring deadlines, gathering missing information and flagging items that need a decision.

The ideal candidate is organized, pays attention to detail and communicates clearly. They can manage competing priorities, follow up independently and handle confidential information with discretion.

Knowledge, Skills & Desired Qualifications

Required Qualifications

• Discretion with confidential information
• Proven experience as an administrative assistant
• Strong working experience with Microsoft Excel, including data entry, building trackers, sorting and filtering data, and using basic formulas
• Proficiency with Microsoft Office (Word, Outlook, PowerPoint)
• Working knowledge of office equipment, such as printers, copiers and scanners
• Excellent organizational and time management skills
• Strong attention to detail and problem-solving abilities
• Ability to prioritize multiple tasks and follow up independently
• Excellent written and verbal communication skills
• Professional customer service and telephone etiquette

Preferred Qualifications

• Experience with new-hire onboarding paperwork and employee recordkeeping
• Experience with timekeeping or payroll support
• Experience processing invoices and expense reports
• Experience coordinating with vendors, including collecting W-9s and certificates of insurance
• Experience coordinating meetings, trainings or company events

Essential Responsibilities

• Hiring and employee records: Schedule interviews and orientations, prepare onboarding packets, collect signed forms and maintain confidential employee records.
• Invoices and vendor paperwork: Track invoices and purchase requests, route invoices for approval and track their status. Collect receipts, help reconcile expense reports, and follow up on W-9s and certificates of insurance.
• Scheduling and follow-up: Schedule meetings and trainings in Outlook, prepare materials, take notes and follow up on action items. Help coordinate occasional company events.
• Spreadsheets and records: Build and maintain Excel trackers for deadlines, invoices, supplies and office records. Prepare reports and correspondence, and maintain organized electronic and paper filing systems.

About B2Z Engineering

B2Z Engineering has served clients throughout Texas since 2009, with offices in Mission, Brownsville, San Antonio, Austin and Houston. We are a multi-disciplined civil engineering consulting firm providing transportation, infrastructure, geotechnical, construction materials testing and inspection services throughout the state. Our team is committed to technical excellence, quality, responsiveness and exceptional client service.

B2Z Engineering, LLC supports a diverse workforce and is an Equal Opportunity Employer that does not discriminate on the basis of race, gender, color, religion, national origin, age, sexual orientation, gender identity, disability, veteran status or any other classification protected by law. Drug-free workplace. Women and minorities are encouraged to apply.

Pay: Competitive salary, based on experience, plus excellent benefits
Schedule: Monday–Thursday 8:00 AM–6:00 PM · Friday 8:00 AM–12:00 PM
Locations: San Antonio (12746 Cimarron Path, San Antonio, TX 78249)
Education: High school diploma or equivalent
Requirements: Valid driver’s license (driving record check will be conducted)
Apply by: Open until filled

Position Summary

B2Z Engineering is seeking a detail-oriented and organized Administrative Assistant to support our San Antonio office and Construction Materials Testing (CMT) laboratory. This position manages front-office operations, maintains laboratory records and reports, tracks technician certifications, prepares monthly billing, and provides day-to-day administrative support to management, laboratory, and field staff.
The ideal candidate is organized, communicates effectively, thrives in a fast-paced environment, and enjoys supporting both office and field operations.

Knowledge, Skills & Desired Qualifications
Required Qualifications
• Proven experience as an administrative assistant or office administrator
• Proficiency with Microsoft Office (Word, Excel, Outlook)
• Working knowledge of office equipment, such as printers, copiers, and scanners
• Excellent organizational and time management skills
• Strong attention to detail and problem-solving abilities
• Ability to prioritize multiple tasks in a fast-paced environment
• Excellent written and verbal communication skills
• Professional customer service and telephone etiquette

Preferred Qualifications
• Knowledge of Construction Materials Testing (CMT)
• Experience dispatching field technicians
• Experience preparing Construction Materials Testing (CMT) reports
• Familiarity with AASHTO laboratory accreditation and TxDOT qualification requirements
• Experience preparing billing and progress reports
• Experience working with MetaField or similar field management software
• Additional certifications or degrees are a plus

Essential Responsibilities
• Laboratory records and reporting: Prepare, revise, and maintain reports, correspondence, spreadsheets, and other documents. Enter and maintain data in MetaField, assist with preparing CMT reports, compile monthly reports, and maintain organized electronic and paper filing systems.
• Technician certifications and laboratory accreditation: Track certification and recertification for materials testing technicians and maintain training records. Assist with AASHTO accreditation and TxDOT qualification documentation, submissions, and recordkeeping.
• Front-office operations and dispatch: Handle incoming calls, emails, and general correspondence. Assist with dispatching field technicians, route inquiries to the appropriate staff, welcome visitors, and maintain a professional office environment.
• Billing and progress reporting: Prepare monthly billing and progress reports and coordinate supporting documentation with laboratory staff and management. Submit and reconcile expense reports.
• Supplies, vendors, and facilities: Order and track laboratory and office supplies, including journal books and hard hats. Coordinate IT support, copier maintenance, utilities, facility maintenance requests, and lease-related administrative needs.
• Scheduling and management support: Manage appointments and meetings in Outlook and take meeting minutes as needed. Coordinate staff travel and arrange logistics for training sessions, team meetings, and company events. Respond to management requests and assist with special administrative and financial projects as assigned.

Construction Materials Testing (CMT) Technician (Full-Time)
Locations: Mission • Brownsville • San Antonio • Austin • Houston

About the Role
B2Z Engineering is hiring Construction Materials Testing (CMT) Technicians across Texas to support transportation and infrastructure projects. You’ll test soil, concrete, and asphalt in our labs and on active job sites, helping keep every project up to spec. If you’re certified and have hands-on lab or field experience, we’d love to have you on the team.

Compensation: We offer competitive hourly pay that reflects your experience, certifications, and location, along with a comprehensive benefits package.

What You’ll Do

• Perform laboratory testing on concrete, soils, asphalt, and aggregates
• Conduct field testing, sampling, and inspections at active construction sites
• Read and interpret plans, specifications, and testing requirements
• Accurately document and report test results
• Calibrate and maintain laboratory equipment
• Work alongside engineers, project managers, inspectors, and field crews to keep projects on schedule
• Follow all safety policies and help maintain a clean, organized workspace

What You’ll Need

• At least one active certification: ACI Concrete Field Testing Technician – Grade I, TxDOT SB101, SB102, Level 1A, or Level 1B
• 1+ year of construction materials testing experience (lab and/or field)
• High school diploma or equivalent
• Strong attention to detail and documentation skills
• Valid Texas driver’s license with a good driving record
• Ability to lift up to 50 lbs and work outdoors in all weather
• Ability to travel overnight to project assignments as needed

Preferred

• Multiple active certifications
• TxDOT asphalt certifications (Binder and/or Mixture Testing)
• Experience on TxDOT, municipal, county, or roadway projects
• Both lab and field testing experience
• Experience with CMT reporting software and Microsoft Office

Benefits

• Health insurance, with B2Z contributing toward employee premiums
• Dental and vision coverage options
• Company-paid life insurance
• 401(k) with company match
• Paid time off
• Eligibility for a company vehicle and fuel card for business use
• Support for earning additional certifications

How to Apply
Submit your résumé and copies of your current certifications to Ileana@B2ZEng.com. Please include the location(s) you’re interested in.

B2Z Engineering, LLC is an Equal Opportunity Employer.