Lead Test Technician

Lead Field Test Technician - Fountain Valley, CA Twining, an innovative engineering, testing, and inspection company with over 100 years of history, is seeking a Lead Field Test Technician to support specialized field testing and inspection services, including building enclosure, fenestration, waterproofing, roofing, air and water infiltration, anchor testing, and other project-specific testing scopes. This position requires strong technical skills, field leadership, clear communication, and a commitment to quality and safety. Responsibilities:

• Perform and lead field testing and inspection services on active construction and existing building projects
• Conduct building enclosure, fenestration, waterproofing, roofing, and specialized field-testing services
• Perform water and air infiltration, mock-up, whole building air leakage, anchor, adhesion, coating, methane barrier, and other project-specific testing
• Review project plans, specifications, and testing requirements, and coordinate site access, scheduling, logistics, equipment, and readiness with internal staff and project teams
• Set up, operate, troubleshoot, and maintain field testing equipment and tools
• Document test procedures, observations, deficiencies, results, and communicate field conditions, nonconforming work, and technical issues to project managers, clients, contractors, and consultants
• Ensure services are performed in accordance with ASTM, AAMA, project specifications, manufacturer instructions, and company procedures, maintaining a high standard of quality and safety
• Assist with training and mentoring junior field technicians
• Support multi-day, out-of-area, and travel-based assignments as needed

Acceptance Testing, Field Trials, Testing, Communication Skills, Waterproofing, Leadership, Roofing, Safety/Work Safety, Construction, Mock Up, * High school diploma or equivalent required

• 5+ years of relevant field testing, inspection, construction, or building enclosure experience preferred
• Experience with field coordination, test setup, and technical documentation preferred
• Proficient in Microsoft Windows software and applications and Adobe
• Basic Understanding of construction drawings, specifications, and field conditions
• Familiarity with ASTM, AAMA, and other applicable industry standards preferred
• Strong communication, organization, and problem-solving skills
• Ability to work independently and lead field activities with limited supervision
• Ability to lift and carry testing equipment and work outdoors in varying conditions, including standing, walking, bending, kneeling, climbing ladders, and accessing active construction areas safely
• Ability to travel to local and out-of-area project sites and work overtime or adjusted hours based on project demands
• OSHA 10 or OSHA 30 preferred
• Fall protection or aerial lift training preferred
• ICC or related inspection/testing certifications preferred
• Valid driver’s license

Twining offers an excellent benefits package, including medical, dental and a 401(k) Plan. Salary rate commensurate with experience.