Principal Engineer

Langan Engineering & Environmental Services; Greater London; On-site; GBP 95,000 - 140,000; Full time

Benefits offered by this job

Private medical insurance

Group income protection

Group life insurance

Paid time off (maternity & parental)

UK Workplace pension with company and,

Educational reimbursement

Flexible work schedules

Job summary

Langan Engineering & Environmental Services is seeking a Principal Civil Engineer in London to lead planning, design, and permitting for civil/site and infrastructure projects. You will review soils, terrain, hydraulics, and geologic data to drive design decisions, while mentoring engineers and coordinating cross‑disciplinary teams.

With a strong focus on sustainability and client collaboration, you will manage budgets, schedules, and proposals, and contribute to project success across diverse

Qualifications

• 8+ years’ experience in site/civil design and related disciplines.
• Proven ability to lead complex civil/site and infrastructure projects.
• Strong written and verbal communication skills and client interface.

Responsibilities

• Lead planning, design, and permitting for civil/site and infrastructure projects using AutoCAD and Civil 3D.
• Assess soil, terrain, hydraulics, and geologic data to inform design.
• Prepare reports, specifications, plans, and cost estimates for projects.
• Mentor staff and coordinate cross‑disciplinary teams across offices.

Skills

Analytical thinking

Leadership

Communication skills

Multi-tasking

Project coordination

Education

Bachelor’s degree in Civil Engineering

Tools

AutoCAD

Civil 3D

Job description

London, England, United Kingdom; United Kingdom

Langan provides expert Civil, Geotechnical, Traffic and Geo-Environmental engineering consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs around the world. Our employees collaborate seamlessly and gain valuable hands‑on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon‑neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Job Summary

Langan is seeking a Principal Civil Engineer to join its collaborative team in London, UK. This individual will serve a key function in the planning, design, and permitting of civil engineering, land development, and infrastructure projects. In this role, you will have the opportunity to gain experience in site/civil engineering design for mixed‑use developments, shopping centers, residential, higher education, federal, and other exciting land development projects.

Job Responsibilities

• Lead planning, design, and permitting for civil/site and infrastructure projects using engineering software (AutoCAD, Civil 3D) in collaboration with Project Engineers.
• Effectively uses software, reports, maps, drawings, engineering plans, tests, aerial photographs, and guidelines and manuals to assess soil composition, terrain, hydraulic and hydrological characteristics, and topographical and geologic data to plan and design projects.
• Leads tasks associated with the preparation and modification of various engineering documents including reports, specifications, plans, cost estimates and designs for projects.
• Perform feasibility analyses, cost calculations, and sustainability assessments for development projects.
• Manage project tasks within established budgets and schedules.
• Coordinate and perform field inspections, as required.
• Prepare, review, and finalize technical reports (e.g., stormwater, utilities, feasibility studies).
• Collaborate with Technical Directors on proposals, budgets, and invoice reviews.
• Communicate and interface effectively with clients, subcontractors, and project stakeholders.
• Apply engineering principles, advanced mathematics, and sustainability/resiliency best practices to project work.
• Review and ensure quality of work produced by staff.
• Supervise, coordinate, and mentor staff, including engineers and interns; support training and professional development.
• Collaborate across offices and disciplines, supporting cross‑functional project needs and training initiatives.
• Identify and recommend process improvements to enhance efficiency and service delivery.
• Maintain current knowledge of engineering practices, regulations, and safety standards; actively participate in professional organizations and training.
• Performs other duties as requested.

Qualifications

• 8+ years’ experience in site/civil design, including site planning, grading, stormwater; management, drainage, and soil erosion is desired;
• Bachelor’s degree in Civil Engineering;
• Proven track record of delivering Data Centers for Hyperscale Clients preferred;
• Knowledge of sustainability and resiliency best practices;
• Strong attention to detail;
• Ability to multi‑task effectively;
• Excellent analytical and judgment capabilities;
• Ability to work well individually and within groups;
• Strong written and verbal communication skills;
• Strong AutoCAD and Civil 3D design skills;
• Ability to oversee, coach and train staff;
• Ability to occasionally participate in site visits and work during evenings and/or weekends, as needed by project schedule;
• Occasional travel to project sites and/or client locations, as required;
• Must have a valid driver’s license;

Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid private medical insurance; group income protection; group life insurance; paid time off including maternity and parental leave; UK Workplace pension with company contribution; employee referral and professional license bonuses; and educational reimbursement.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees. We believe that an inclusive workplace is essential for the well‑being and success of our employees.