Junior Civil Engineer - Land Development​/Public Infrastructure

Mac Kay & Somps is seeking a Junior Civil Engineer to join our Pleasanton, CA office. Candidates must hold a B.S. in Civil Engineering or a 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 2026. Official start date will be confirmed with the successful candidate.

Must be authorized to work in the United States.

• 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

• 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 Water
  
  CAD is a plus
• A collaborative, team‑oriented mindset and attention to detail
• EIT certification in California (preferred)
• Strong written and verbal communication skills

$35 - $50 an hour

Software used in this role may include AutoCAD Civil3D, Microsoft Office (Word, Excel, Outlook), HEC‑RAS, HEC‑HMS, XP‑Storm, and Water

CAD.

We value a strong work ethic, attention to detail, and team camaraderie. If you are an engineer who thrives in a collaborative, client‑focused environment, we encourage you to apply.

If you require a reasonable accommodation or would like to apply for this position, please contact  or 925‑416‑1790.

For a complete listing of all our openings, please visit

No recruiters.

Mac Kay & Somps is a equal opportunity employer
.

Few engineering firms match our track record in California. We are one of the largest and most successful privately held civil engineering firms in Nor Cal, with offices in Pleasanton (SF Bay Area) and Roseville (Sacramento Valley). Consistently listed in the top 500 design firms in the US by the ENR, we successfully integrate engineering, planning, and surveying expertise to get projects built efficiently and cost effectively.

Founded in 1953, Mac Kay & Somps helped drive growth in Northern California after World War II and we continue that same energy today. Our multi‑disciplinary teams provide services from entitlements through construction.

Mac Kay & Somps offers an excellent compensation and benefits package which includes:

• Competitive salary
• Generous bonus structure
• Profit sharing trust/401(k) plan
• Student Loan Paydown program and tuition assistance
• Excellent medical, vision, and dental plans with Company contributions to a health savings account
• Life, AD&D, LTD/STD insurance
• Wellness Reimbursement Program
• And more!

Mac Kay & Somps also offers flexible work schedules and an active, high energy work environment with periodic Friday barbecues/lunch gatherings. The company hosts a holiday lunch and an annual company wide dinner party along with other social activities throughout the year.

Mac Kay & Somps Civil Engineers, Inc. (the Company) collects certain personal information about you. This notice describes the categories of personal information that the Company collects and the purposes for which they are used in accordance with the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA). The law provides California applicants and employees with certain rights with respect to the personal information collected from them, including the rights to delete personal information;

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