L5 CONCRETE, LLC DRIVER OPERATOR Job Title: Driver Operator (Volumetric Concrete Mixer Operator) Entity: L5 Concrete, LLC (the "Company") Department: Operations Reports To: Director of Field ...
L5 CONCRETE, LLC DRIVER OPERATOR Job Title: Driver Operator (Volumetric Concrete Mixer Operator) Entity: L5 Concrete, LLC (the "Company") Department: Operations Reports To: Director of Field ...
BMG ELECTRIC/ELECTRONIC L5
Bay City, TX · On-site
BMG ELECTRIC/ELECTRONIC L5 ENTITY: Tenaris Bay City, Inc. LOCATION: Bay City, TX DEPARTMENT: MAINTENANCE MAIN RESPONSIBILITES Perform scheduled maintenance to the robotic cells in the Bay City plant ...
BMG ELECTRIC/ELECTRONIC L5
Bay City, TX · On-site
BMG ELECTRIC/ELECTRONIC L5 ENTITY: Tenaris Bay City, Inc. LOCATION: Bay City, TX DEPARTMENT: MAINTENANCE MAIN RESPONSIBILITES Perform scheduled maintenance to the robotic cells in the Bay City plant ...
Data Center Construction QA/QC Manager
Amarillo, TX · On-site
$76K - $101K/yr
Medical
Dental
Vision
Retirement
PTO
Step into a pivotal site-quality leadership role on a multi-building campus program where you will direct inspectors and oversee the entire quality lifecycle-from design review to L1-L5 commissioning ...
Data Center Construction QA/QC Manager
Amarillo, TX · On-site
$76K - $101K/yr
Medical
Dental
Vision
Retirement
PTO
Step into a pivotal site-quality leadership role on a multi-building campus program where you will direct inspectors and oversee the entire quality lifecycle-from design review to L1-L5 commissioning ...
Data Center Construction QA/QC Manager
Amarillo, TX · On-site
$140 - $190/hr
Medical
Dental
Vision
Retirement
PTO
Step into a pivotal site-quality leadership role on a multi-building campus program where you will direct inspectors and oversee the entire quality lifecycle--from design review to L1-L5 ...
New
Data Center Construction QA/QC Manager
Amarillo, TX · On-site
$140 - $190/hr
Medical
Dental
Vision
Retirement
PTO
Step into a pivotal site-quality leadership role on a multi-building campus program where you will direct inspectors and oversee the entire quality lifecycle--from design review to L1-L5 ...
New
HVAC Engineer
Houston, TX · On-site
Lead and support commissioning activities from L1 to L5 , including Integrated System Testing (IST) . * Monitor, operate, and maintain HVAC systems to ensure compliance with industry standards ...
Quick apply
HVAC Engineer
Houston, TX · On-site
Lead and support commissioning activities from L1 to L5 , including Integrated System Testing (IST) . * Monitor, operate, and maintain HVAC systems to ensure compliance with industry standards ...
HVAC Engineer
Houston, TX · On-site
Lead and support commissioning activities from L1 to L5 , including Integrated System Testing (IST) . * Monitor, operate, and maintain HVAC systems to ensure compliance with industry standards ...
HVAC Engineer
Houston, TX · On-site
Lead and support commissioning activities from L1 to L5 , including Integrated System Testing (IST) . * Monitor, operate, and maintain HVAC systems to ensure compliance with industry standards ...
You mentor L4 (Associate) and L5 (Staff) consultants on the team, providing technical guidance and reviewing their deliverables. You bring deep expertise in ML Ops and time-series forecasting to ...
Quick apply
You mentor L4 (Associate) and L5 (Staff) consultants on the team, providing technical guidance and reviewing their deliverables. You bring deep expertise in ML Ops and time-series forecasting to ...
You mentor L4 (Associate) and L5 (Staff) consultants on the team, providing technical guidance and reviewing their deliverables. You bring deep expertise in ML Ops and time-series forecasting to ...
You mentor L4 (Associate) and L5 (Staff) consultants on the team, providing technical guidance and reviewing their deliverables. You bring deep expertise in ML Ops and time-series forecasting to ...
Construction Manager
Austin, TX · On-site
$160K - $190K/yr
Coordinate L1-L5 commissioning and integrated systems testing with the Commissioning Agent, manage punch/closeout/turnover, and report site status to leadership. What We're Looking For * Proven Track ...
Construction Manager
Austin, TX · On-site
$160K - $190K/yr
Coordinate L1-L5 commissioning and integrated systems testing with the Commissioning Agent, manage punch/closeout/turnover, and report site status to leadership. What We're Looking For * Proven Track ...
Full L1-L5 commissioning lifecycle experience * Hyperscale data center exposure strongly preferred Technical Capability * Strong understanding of MEP systems, commissioning processes, and system ...
Quick apply
Full L1-L5 commissioning lifecycle experience * Hyperscale data center exposure strongly preferred Technical Capability * Strong understanding of MEP systems, commissioning processes, and system ...
Field Service Engineer, L5
Waco, TX · On-site
$53/hr
Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on installation ...
Field Service Engineer, L5
Waco, TX · On-site
$53/hr
Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on installation ...
Field Service Engineer, L5
Waco, TX · On-site
Description: Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on ...
Quick apply
Field Service Engineer, L5
Waco, TX · On-site
Description: Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on ...
Staff Commissioning Engineer, Mechanical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Quick apply
Staff Commissioning Engineer, Mechanical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer, Mechanical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer, Mechanical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer
Dallas, TX · On-site +1
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer
Dallas, TX · On-site +1
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Field Service Engineer, L5
Waco, TX · On-site
Description Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on ...
Field Service Engineer, L5
Waco, TX · On-site
Description Position Summary A Level 5 Switchgear Field Engineer leads complex field service activities for medium- and high-voltage switchgear systems, serving as a technical authority on ...
Commissioning Project Manager - Data Center Construction
Addison, TX · On-site
$145K - $175K/yr
... L5 commissioning lifecycle in hyperscale environments. What You'll Own Project Leadership & Execution • Lead commissioning delivery from pre-construction through final validation • Oversee ...
Commissioning Project Manager - Data Center Construction
Addison, TX · On-site
$145K - $175K/yr
... L5 commissioning lifecycle in hyperscale environments. What You'll Own Project Leadership & Execution • Lead commissioning delivery from pre-construction through final validation • Oversee ...
Staff Commissioning Engineer, Electrical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer, Electrical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer, Electrical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Quick apply
Staff Commissioning Engineer, Electrical
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Staff Commissioning Engineer
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
Quick apply
Staff Commissioning Engineer
Dallas, TX · On-site
Medical
Dental
Vision
Life
Retirement
PTO
Review and approve commissioning documentation including the Cx Plan, L2-L5 test scripts, reports, and turnover packages. * Oversee quality control processes including first-of-kind inspections and ...
L5 information
What skills and qualifications are needed to thrive as an L5?
What do L5 professionals do?
What is the difference between L5 vs Software Engineer?
| Aspect | L5 | Software Engineer |
|---|---|---|
| Required credentials | Bachelor's or higher in CS or related field, extensive experience | Bachelor's degree in CS or related field, some experience |
| Work environment | Senior-level projects, mentorship roles, strategic planning | Development, coding, debugging, team collaboration |
| Employer usage | Tech companies, large organizations with structured levels | Startups, tech firms, various industries |
| Search intent | Understanding senior technical roles, career progression | Entry to mid-level development roles |
In summary, L5 positions typically require more experience and involve leadership or strategic responsibilities compared to Software Engineer roles, which focus more on coding and development tasks. The L5 level is often seen as a senior technical role, whereas Software Engineer can range from entry-level to mid-level positions.
What is an L5?

Full-time
Posted 15 days ago
Job description
- Safely operate and drive volumetric concrete mixer trucks to and from job sites in accordance with all traffic laws and Company policies.
- Mix concrete on-site using the volumetric mixer to produce the correct concrete mix design according to customer specifications and job requirements.
- Load raw materials (cement, aggregates, sand, water, and additives) into the mixer truck and verify correct quantities prior to departure.
- Communicate effectively with dispatchers, supervisors, and customers regarding delivery schedules, job site conditions, and any issues that arise.
- Maintain accurate delivery tickets, logs, and records of materials delivered and time on site.
- Perform pre-trip and post-trip inspections of the vehicle, documenting any defects or maintenance needs.
- Clean and maintain the mixer truck, including washing out the drum, chutes, and equipment after each delivery.
- Perform minor mechanical repairs and troubleshooting on the mixer truck as needed.
- Report all vehicle defects, maintenance needs, and equipment issues to the Director of Field Operations promptly.
- Follow all safety protocols and wear required personal protective equipment (PPE) at all times.
- Operate in full compliance with DOT regulations, FMCSA requirements, and applicable Texas intrastate commercial vehicle standards.
- Maintain a current CDL, DOT medical certification, and all other required driver qualifications.
- Report any accidents, incidents, or unsafe conditions to the Director of Field Operations immediately.
- Represent L5 Concrete professionally and courteously in all interactions with customers, GC personnel, and project site staff.
- Assist with other duties as assigned by supervisor, including general labor tasks at job sites when necessary.
- Maintain a professional and clean appearance on delivery routes and at customer sites.
- High school diploma or GED preferred.
- Previous experience operating volumetric mixers or concrete mixer trucks preferred.
- Knowledge of concrete mixing and delivery processes a plus.
- Valid Commercial Driver's License (CDL) Class A or B required.
- Clean driving record with no major violations.
- Current DOT medical certification (Texas intrastate standards acceptable).
- Strong mechanical aptitude and ability to troubleshoot equipment issues.
- Ability to read and understand delivery tickets, mix designs, and job specifications.
- Basic math skills for calculating mix quantities and volumes.
- Excellent customer service and communication skills.
- Ability to work independently with minimal supervision.
- Flexibility to work varying schedules, including early mornings, weekends, and overtime as needed.
- Ability to lift and carry up to 75 pounds regularly.
- Ability to climb in and out of the truck cab multiple times per day.
- Ability to stand, walk, bend, stoop, and kneel for extended periods.
- Ability to work outdoors in various weather conditions (heat, cold, rain, etc.).
- Manual dexterity to operate truck controls and equipment.
- Visual acuity sufficient for safe driving and equipment operation.
- This position operates primarily outdoors at construction sites and on public roadways.
- The Driver Operator will be exposed to dust, noise, varying temperatures, and construction site hazards.
- Personal protective equipment is required and provided by the Company.
- Early start times consistent with concrete delivery schedules; overtime and weekend work may be required based on project needs.