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Geotechnical Flac Jobs (NOW HIRING)

GRI

Geotechnical Numerical Modeler

Tigard, OR · On-site

Geotechnical Numerical Modeler - Seismic Expertise & FLAC GRI is seeking a Geotechnical Numerical Modeler to join our dynamic team in the Portland, Oregon area. This position is open to candidates at ...

GRI

Geotechnical Numerical Modeler

Portland, OR · On-site

Geotechnical Numerical Modeler - Seismic Expertise & FLAC GRI is seeking a Geotechnical Numerical Modeler to join our dynamic team in the Portland, Oregon area. This position is open to candidates at ...

STV

Senior Geotechnical & Tunneling Engineer

Boston, MA

$160K - $183K/yr

Proficiency with numerical modeling software such as PLAXIS, FLAC, or similar geotechnical analysis tools * Experience interpreting subsurface investigation data and performing geotechnical analysis.

Stantec

Geotechnical Engineer

Denver, CO · On-site

$100K - $145K/yr

Perform and review geotechnical analyses and numerical modeling using industry-standard tools such as GeoStudio, Rocscience, PLAXIS, and FLAC, supporting evaluations of stability, deformation, and ...

HDR

Senior Geotechnical Engineer

Irvine, CA · On-site

Plan and prepare geotechnical investigations or design activities that have significant impact on ... Itasca FLAC) * An attitude and commitment to being an active participant of our employee-owned ...

HDR

Senior Geotechnical Engineer

Irvine, CA · On-site

Plan and prepare geotechnical investigations or design activities that have significant impact on ... Itasca FLAC) * An attitude and commitment to being an active participant of our employee-owned ...

Stantec

Geotechnical Engineer

Denver, CO · On-site

Perform and review geotechnical analyses and numerical modeling using industry- standard tools such as GeoStudio, Rocscience, PLAXIS, and FLAC, supporting evaluations of stability, deformation, and ...

Stantec

Geotechnical Engineer

Salt Lake City, UT · On-site

Perform and review geotechnical analyses and numerical modeling using industry- standard tools such as GeoStudio, Rocscience, PLAXIS, and FLAC, supporting evaluations of stability, deformation, and ...

Stantec

Geotechnical Engineer

Phoenix, AZ · On-site

Perform and review geotechnical analyses and numerical modeling using industry- standard tools such as GeoStudio, Rocscience, PLAXIS, and FLAC, supporting evaluations of stability, deformation, and ...

Mariana Minerals

Senior Geotechnical Engineer

Moab, UT · On-site

Proficiency with geotechnical analysis software (e.g., Rocscience suite, FLAC, PLAXIS, GeoStudio) * Familiarity with mine planning and 3D modeling tools (e.g., Leapfrog, Surpac, Deswik, GIS platforms)

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Geotechnical Flac information

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$34.5K

$107.6K

$172K

How much do geotechnical flac jobs pay per year?

As of Jun 7, 2026, the average yearly pay for geotechnical flac in the United States is $107,595.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,000.00 and $130,500.00 per year, depending on experience, location, and employer.

What are the typical daily responsibilities of a Geotechnical FLAC engineer and how does this role contribute to project teams?

A Geotechnical FLAC engineer typically spends their day setting up, running, and interpreting numerical models using FLAC (Fast Lagrangian Analysis of Continua) to assess soil and rock behavior under various loading conditions. They collaborate closely with geotechnical engineers, structural engineers, and project managers to provide simulation results that inform design decisions and risk assessments. The role involves preparing technical reports, attending project meetings, and occasionally conducting site visits to validate analysis assumptions. This position is crucial in ensuring the stability and safety of infrastructure projects by providing in-depth geotechnical analysis and solutions.

What are the key skills and qualifications needed to thrive as a Geotechnical FLAC Engineer, and why are they important?

To thrive as a Geotechnical FLAC Engineer, you need a solid background in geotechnical engineering, soil mechanics, and numerical modeling, usually backed by a degree in civil or geotechnical engineering. Proficiency in FLAC (Fast Lagrangian Analysis of Continua) software, along with experience in other geotechnical analysis tools and relevant certifications, is crucial. Strong analytical thinking, problem-solving abilities, and clear communication help in interpreting results and collaborating with multidisciplinary teams. These competencies ensure accurate modeling of soil-structure interactions, leading to safer and more effective engineering solutions.

What are Geotechnical FLAC engineers?

Geotechnical FLAC engineers are professionals who use the FLAC (Fast Lagrangian Analysis of Continua) software to analyze and model the behavior of soil, rock, and other geotechnical materials under various conditions. FLAC is a numerical modeling tool widely used in civil, mining, and geotechnical engineering for simulating soil-structure interaction, slope stability, excavation, tunneling, and foundation design. These engineers interpret data from site investigations and use FLAC to predict how ground conditions will respond to construction activities, helping to ensure the safety and stability of engineering projects.

What is the difference between Geotechnical Flac vs Geotechnical Engineer?

AspectGeotechnical FlacGeotechnical Engineer
CertificationsTypically requires specialized training in Flac software and geotechnical analysisRequires a degree in geotechnical engineering and licensure (e.g., PE)
Work EnvironmentPrimarily involved in software modeling, analysis, and report preparationField inspections, design, and project management
Industry UsageUsed by geotechnical firms for analysis and modelingEmployed in design, consulting, and construction projects

Geotechnical Flac specialists focus on software-based analysis and modeling, while Geotechnical Engineers have broader roles including fieldwork and project design. Both roles are essential in geotechnical projects but differ in scope and responsibilities.

Geotechnical Numerical Modeler

GRI

Tigard, OR • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 29 days ago

Job description

Geotechnical Numerical Modeler - Seismic Expertise & FLAC
GRI is seeking a Geotechnical Numerical Modeler to join our dynamic team in the
Portland, Oregon area. This position is open to candidates at all experience levels-
from recent graduates to seasoned professionals with over a decade of expertise.
About GRI
GRI is an employee-owned, full-service geotechnical, pavement, geological, and
environmental engineering consulting firm. We foster a collaborative work culture,
support career development, and encourage work-life integration.
Key Responsibilities
  • Develop and execute advanced geotechnical numerical models, with a focus on seismic analysis and soil-structure interaction.
  • Utilize FLAC and other geotechnical modeling software for analysis and design.
  • Contribute to earthquake engineering, foundation support, slope stability, ground improvement, and related civil works.
  • Prepare and review technical reports and deliverables.
  • Mentor junior staff (for senior candidates); collaborate with senior engineers (for entry-level candidates).
  • Participate in project management, including field investigations, laboratory testing oversight, and construction observation as needed.
  • Engage in client networking and firm outreach activities.

Required Skills & Abilities
  • Demonstrated proficiency in geotechnical numerical modeling, especially using FLAC.
  • Strong understanding of seismic engineering principles and soil-structure interaction.
  • Ability to interpret site plans, specifications, and communicate technical concepts clearly.
  • For senior candidates: experience mentoring and managing projects.
  • For entry-level candidates: willingness to learn and collaborate within a team.

Position Requirements
  • Flexible experience level: from 0 years (entry-level) to 10+ years (senior modeler).
  • M.S. in Civil Engineering (Geotechnical focus).
  • Professional Engineering licensure required for senior candidates; entry-level candidates should be on track for licensure.
  • Valid driver's license.

Physical Requirements
  • Ability to use computers, tablets, and mobile devices.
  • Perform physical tasks on project sites (walking, climbing, crawling, standing).
  • Lift up to 25 pounds.
  • Travel to project sites as needed.

Compensation & Benefits
  • GRI offers competitive salary, generous PTO, paid holidays, 401K with immediate company contribution, 100% employer-paid Medical/Dental/Vision/Life/Disability
  • insurance, annual bonus eligibility, and continuing education reimbursement.

About GRI

Sourced by ZipRecruiter

Industry

Civil engineering construction

Company size

51 - 200 Employees

Headquarters location

Tigard, OR, US

Year founded

1984

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