Civil 3D Designer

Mott MacDonald•Los Angeles, CA

1d•$84,000 - $103,000•Hybrid

About The Position

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water. We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story. If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America. At Mott MacDonald, we're a global engineering, management, and development consultancy driven by a shared purpose: improving society through excellence, innovation, and collaboration. Our teams work on some of the most complex and rewarding infrastructure projects, helping communities thrive today and for generations to come. We're looking for an experienced Civil 3D Designer to join our growing team. If you're passionate about delivering high-quality civil infrastructure designs and enjoy collaborating with talented engineers on meaningful projects, we'd love to hear from you. As our Civil 3D Designer, you'll be the creative and technical force behind the detailed plans that bring our projects to life. Your expertise will help transform conceptual visions into precise, buildable designs, whether it’s a new roadway, a stormwater management system, utility infrastructure, or a large-scale site development. Your work will directly influence the safety, efficiency, and sustainability of the communities we serve.

Requirements

Minimum 5 years of experience preparing civil engineering designs and construction drawings.
Advanced proficiency with AutoCAD Civil 3D.
Experience developing grading, drainage, utility, roadway, or site development plans.
Strong understanding of civil engineering design standards and drafting practices.
Experience creating and managing 3D models, surfaces, alignments, profiles, and corridors.
Ability to work effectively in a collaborative, multidisciplinary environment.
Strong communication, organizational, and problem-solving skills.
Associate degree, technical diploma, or equivalent experience in civil engineering technology, drafting, or a related field preferred.

Nice To Haves

Experience with transportation, municipal, water, wastewater, or land development projects.
Familiarity with MicroStation, BIM workflows, GIS platforms, or other design technologies.
Knowledge of local, state, and federal design standards.

Responsibilities

Develop and refine detailed civil engineering drawings using AutoCAD Civil 3D for grading, drainage, utilities, and roadway design.
Collaborate closely with engineers and project managers to translate concepts into accurate, constructible plans.
Create 3D surface models, alignments, profiles, corridors, and cross-sections for a variety of infrastructure projects.
Prepare plan sets, quantity calculations, and construction documentation.
Ensure all designs meet applicable codes, standards, client requirements, and quality expectations.
Participate in design reviews and provide innovative solutions to technical challenges.
Coordinate with multidisciplinary teams to support integrated project delivery.
Maintain organized drawing files, models, and documentation to ensure efficient project execution.