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Title

Principal Geotechnical Engineer  

Division Twining Inc  
Location Twining Long Beach, CA  
Full-Time/Part-Time Full-Time  
Exempt/Non-Exempt Exempt  
Description

Twining, Inc., an innovative engineering, testing, and inspection Company with 100 years of history, is seeking a Principal Geotechnical Engineer to support our southern California offices (Long Beach, San Diego, Inland Empire).  The position is flexible with respect to the candidate’s geographic office location, which could be out of our Long Beach, Inland Empire, or San Diego offices. Qualified candidates must have a GE Registration in California, master’s degree or PhD in civil/ geotechnical engineering, history of increasing levels of responsibility, and a minimum of six years’ experience in geotechnical engineering. Candidate will be groomed for practice-builder-level position with near-future opportunities in southern and northern California.

Qualified candidates will perform the following duties:

  • Oversee, manage and direct geotechnical engineering evaluations for projects with varying range of complexity;
  • Provide senior review and oversight of geotechnical engineering practices at Twining, Inc.;
  • Prepare subsurface investigation proposals and assist in the marketing and acquisition of subsurface investigations for Twining, Inc.;
  • Assist in the technical development of engineering staff;
  • Assist marketing in business development, including attending short-list interviews as geotechnical expert, reviewing and evaluating RFPs/RFQs to help develop proposals and statement of qualifications.
 
Position Requirements

Required competencies include:

  • Command of both design- and construction-related aspects of geotechnical engineering;
  • Experience in shallow and deep foundation design and Caltrans design of bridge foundations, retaining walls, MSE walls, and pavements;
  • Experience with design of mat-type foundations and development of mat foundation design parameters;
  • Ability to use Settle3D, Slide, AllPile, L-Pile, Shaft, CLiq, and LiquefyPro;
  • Experience with field infiltration testing (borehole method, double-ring infiltrometer) and development of design infiltration rates in accordance with guidelines prepared by Counties of LA and Orange;
  • Exemplary technical writing skills;
  • Ability to work well in a team environment and communicate clearly with co-workers, clients, and potential clients;
  • Ability to maintain company established chargeability goals;
  • Ability to work closely with the marketing group to help acquire geotechnical investigation projects;
  • Master’s degree in civil/ geotechnical engineering;
  • A minimum of 6 years of civil/geotechnical engineering experience;
  • California GE registration required;
  • Strong verbal and written communication skills; and
  • Exhibits an advanced ability to analyze problems and develop alternative strategies to solve them.

 

Preferred competencies include:

  • Experience in site-specific ground motion studies, including time-history analyses;
  • Experience with high-rise geotechnical design work in City of Los Angeles;
  • Experience with cement- and lime-treated mix design and field implementation per Greenbook;
  • Experience with successful interaction with CGS/DSA/OSHPD/GMED reviewers.

 

Currently, some of our projects include:

  • 34-story high-rise building in the Arts District of Los Angeles – design of mat foundation and five-level subterranean parking level encroaching into the groundwater table. Design recommendations for installation of series of drywells for storm water management. Site-specific ground motion studies including time-history analyses.
  • New Caltrans bridge over LA River in Long Beach – deep foundations, field exploration to consist of drilling off a barge in the LA River, pavement design, retaining wall design, site-specific ground motion studies.
  • New buildings on local college campuses including CSULB, Golden West College and Harvey Mudd University – geotechnical site investigations with wet, soft soil conditions, potential for liquefaction, incorporation of rammed aggregate piers and mat foundations.
  • New Clippers Arena in Inglewood – new arena and all associated amenities, geotechnical engineer of record during construction slated to start in Fall 2021.
  • New facilities at Universal Studios Hollywood – new confidential attraction, various amenities improvements, challenging geologic conditions with Topanga formation bedrock.
  • New facilities at local prestigious universities (confidential) – design and construction support services for medical office facilities, events centers, educational facilities.
  • Several new roadway projects in LA and Orange counties – roadway design, slope stability analyses, geotechnical design and construction support.
 
Travel Requirements  
EOE Statement We are an affirmative action participant and equal employment opportunity employer of protected veterans and individuals with disabilities. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, disability status, protected veteran status or any other characteristic protected by law.  
Sourcing None Specified 

This position is currently accepting applications.

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