Junior Civil Engineer

MacKay & Somps Civil Engineers, Inc.; Roseville (CA); On-site; USD 60,000 - 80,000; Full time

Job summary

MacKay & Somps Civil Engineers, Inc. in Roseville, CA seeks a Junior Civil Engineer to support land development and public infrastructure projects through entitlement, design and construction phases.

Candidates should have a B.S. in Civil Engineering (ABET-accredited); CA EIT preferred; 0–3 years experience; strong communication; proficiency with AutoCAD Civil 3D and MS Office; US work authorization.

Qualifications

• B.S. in Civil Engineering from ABET-accredited university.
• EIT certification in California preferred.
• 0–3 years civil engineering experience in land development or public infrastructure.
• Working knowledge of civil engineering principles, methods, and terminology.
• Strong written and verbal communication skills.

Responsibilities

• Support project teams throughout entitlement, design and construction phases.
• Prepare plans, calculations, and technical reports.
• Grading, drainage, water, and sewer design.
• Stormwater management and modeling.
• Drafting and plan production using AutoCAD Civil 3D.
• Collaborate with clients, agencies, and consultants.

Skills

Collaborative

Detail-oriented

Strong communication

Education

Bachelor's degree in Civil Engineering (ABET-accredited)

Tools

AutoCAD Civil 3D

Microsoft Office

HEC-RAS

HEC-HMS

XP-Storm

WaterCAD

Job description

MacKay & Somps is seeking a Junior Civil Engineer to join our Roseville, CA office. Candidates must hold a B.S. in Civil Engineering or related field from an ABET-accredited university. EIT certification in California is highly desirable. Prior work in land development, drainage and flood control, or municipal water system design is helpful, but not required. This is a great opportunity for candidates interested in land development and/or public infrastructure design to gain experience working alongside a seasoned team of engineers and planners.

While we are actively interviewing Junior engineer candidates, we are anticipating the start date of this position to be around June 2027. Official start date to be confirmed with the successful candidate.

Must be authorized to work in the United States.

As a Junior Civil Engineer, you will support project teams throughout the entitlement, design and construction phases of land development and public infrastructure projects. You’ll work closely with project managers and senior staff on:

• Preparing plans, calculations, and technical reports
• Grading, drainage, water, and sewer design
• Stormwater management and modeling
• Supporting entitlement and permitting processes
• Drafting and plan production using AutoCAD Civil 3D
• Collaborating with clients, agencies, and consultants

This role offers the opportunity to build a strong technical foundation while gaining exposure to real-world project development from concept through construction. We are looking for candidates with:

• 0–3 years of civil engineering experience in land development or public infrastructure.
• Working knowledge of civil engineering principles, methods, and terminology.
• Proficiency (or strong interest) in AutoCAD Civil 3D, Microsoft Office (Word, Excel, and Outlook).
• Exposure to stormwater modeling software such as HEC-RAS, HEC-HMS, XP-Storm, or WaterCAD is a plus.
• A collaborative, team-oriented mindset and attention to detail
• EIT certification in California (preferred).
• Strong written and verbal communication skills.

Software used in this role may include AutoCAD Civil3D, Microsoft Office (Word, Excel, Outlook), HEC-RAS, HEC-HMS, XP-Storm, and WaterCAD. We value a strong work ethic, attention to detail, and team camaraderie.

For a complete listing of all our openings, please visit our careers webpage: https://msce.com/careers/