Senior Engineer

Terracon; Plymouth; Hybrid; GBP 85,000 - 133,000; Full time

Job summary

A national engineering firm is seeking a Senior Geotechnical Engineer in Plymouth, UK. The role involves leading field investigations, performing complex analyses, and mentoring junior engineers. Ideal candidates will have 8-11 years of experience and a degree in Civil or Geo Engineering. This position offers a hybrid work environment and aims to expand your technical leadership in various engineering sectors.

Benefits

401(k) plan

Medical, dental, vision insurance

Paid time off and holidays

Education reimbursement

Qualifications

• Minimum 8-11 years of experience in geotechnical engineering.
• Professional Engineer (PE) registration is required.
• Terracon Authorized Project Reviewer status required.

Responsibilities

• Lead field investigations and ensure technical accuracy.
• Perform complex engineering analyses and calculations.
• Prepare, review, and refine technical reports.

Skills

Technical leadership

Complex problem solving

Project management

Education

Bachelor’s degree in Civil, Geological or Geo Engineering

Master’s degree in Engineering

Job description

Job Description

Elevate Your Geotechnical Expertise at Terracon

Are you an experienced geotechnical professional ready to take the next bold step in your career? Terracon is growing, and we’re seeking a Senior Geotechnical Engineer who brings strong technical capabilities, sound judgment, and a passion for advancing complex, meaningful work. If you’re looking for a role where you can expand your influence, take on challenging projects, and contribute to a national leader, this opportunity is designed for you.

As a Senior Geotechnical Engineer, you’ll serve as a trusted technical resource and project leader—guiding investigations, shaping design recommendations, and delivering high-quality consulting services across a wide range of project types. This role offers the autonomy, variety, and visibility that experienced professionals seek when they’re ready for new opportunities and greater impact.

What You’ll Lead & Deliver

• Lead and oversee field investigations, ensuring technical accuracy and high‑quality data collection.

• Perform and guide complex engineering analyses and calculations, applying advanced technical judgment.

• Develop expert recommendations, plans, and specifications that inform design and construction decisions.

• Conduct and review construction observation and inspections, ensuring compliance with design intent.

• Prepare, review, and refine technical reports, serving as a key voice for clients and project teams.

You’ll work across diverse sectors—including transportation, public works, commercial development, communications, energy, and industrial markets—broadening your exposure and strengthening your impact across multiple industries.

Why Terracon is the Right Next Step

• Expand your technical leadership across complex, multi‑disciplinary projects.

• Shape project outcomes through increased responsibility and client interaction.

• Build your influence by mentoring junior engineers and supporting team development.

• Grow your career with a national, employee‑owned firm committed to professional advancement.

This position offers a flexible, hybrid work environment and can be based out of our Minneapolis or St. Paul offices.

If you’re ready for a new challenge, eager to apply your expertise, and excited to contribute to Terracon’s growth, we invite you to explore this opportunity with us.

Essential Roles and Responsibilities

• Lead safety efforts for team and ensure team follows safety rules and guidelines. Responsible for creating and modeling a safe work environment; demonstrating safety practices. Promote pre-task planning for all projects.
• Responsible for continuous quality monitoring and improvement on projects. Monitor and promote quality standards and practices.
• Responsible for providing consistent quality standards on project and proposal delivery.
• Develop understanding and be aware of project‑related risk and how to protect the Company. Be familiar with company risk policies.
• Senior level engineering professional providing technical direction required for production and completion of both routine and unique or complex projects.
• Responsible for conceptualizing the initial design and/or investigative approach for a major phase of a large project or have overall responsibility for the engineering work on a project of moderate scope.
• Plan, schedule, conduct, and/or coordinates engineering work involving conventional engineering practices but may include a variety of complex features such as conflicting design requirements.
• Provide review of projects requiring complex and innovative investigation techniques and supervise the analysis and formulation of recommendations in written reports to clients; provides technical review of reports.
• Lead technical training and make informed decisions based upon state of the art technology issues.
• Provide leadership of marketing, sales and business development.
• Supervise less experienced engineers or technical support personnel on projects.
• Serve as a Terracon Authorized Project Reviewer.

Requirements

• Bachelor’s degree in Civil, Geological or Geo Engineering.
• Minimum 8-11 years’ experience.
• Master’s degree in Engineering preferred.
• Valid driver’s license with acceptable violation history.
• Professional Engineer (PE) registration.
• Terracon Authorized Project Reviewer status required.

Preferred Certification

• Authorized Project Reviewer status preferred.

About Terracon

Terracon is a 100 percent employee‑owned multidiscipline consulting firm comprised of more than 8,000 curious minds focused on solving engineering and technical challenges from more than 200 locations nationwide. Since 1965, Terracon has evolved into a successful multi‑discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon’s growth is due to our talented employee‑owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace.

Terracon’s vision of “Together, we are best at people” is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.

EEO Statement

Terracon is an EEO employer. We encourage qualified minority, female, veteran and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment, or any employee because of race, color, religion, national origin, age, sex, sexual orientation, gender identity, gender, disability, age, or military status.

Employment Type

Regular, Full Time

Exemption

Exempt

Service Line

Geotechnical

City, State (Office Location)

Plymouth, MN

Job Category

Engineering

Office Name

Minneapolis

Expected Salary Range

The expected salary range for this position is listed below. The base range may be adjusted based on the specific location of the applicant. Final agreed upon compensation is based upon individual qualifications and experience. *For California residents please note: A valid driver’s license with acceptable violation history may be required for positions that require driving.

State Salary Range Minimum

114600

State Salary Range Maximum

177700

23-Mar-2026