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Part Time Engineering Consulting Jobs in California

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How much do part time engineering consulting jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for part time engineering consulting in California is $48.28, according to ZipRecruiter salary data. Most workers in this role earn between $29.18 and $54.33 per hour, depending on experience, location, and employer.

What is a part time engineering consulting?

A Part-Time Engineering Consulting job involves providing expert engineering advice and solutions on a flexible or contract basis. Consultants work with clients to solve technical challenges, improve processes, or develop new products while managing their own schedules. This role is ideal for experienced engineers seeking work-life balance or additional income. Common industries include manufacturing, construction, software, and energy. Responsibilities may range from project management to design reviews, depending on expertise.

What types of projects or clients might I work with as a part time engineering consultant?

As a Part Time Engineering Consultant, you could engage with a wide range of projects, from providing technical assessments for product development to troubleshooting processes in manufacturing environments. Typical clients include small businesses, startups, larger organizations seeking specialized expertise, or companies with short-term technical needs. You may work independently or as part of a team, depending on the project's scope and complexity, and collaborate closely with engineers, project managers, and cross-functional stakeholders. This role often offers flexibility in schedule and project selection, making it a great fit for professionals looking to apply their expertise without committing to a full-time position.

What are the key skills and qualifications needed to thrive in the part time engineering consulting position, and why are they important?

To thrive as a Part Time Engineering Consultant, you need a strong background in engineering principles, relevant industry experience, and a recognized engineering degree or professional certification. Familiarity with CAD software, modeling tools, engineering analysis programs, and project management systems is often expected. Strong analytical thinking, problem-solving abilities, and excellent client communication skills help you deliver effective solutions and collaborate with diverse teams. These qualifications are crucial for providing impactful guidance within limited hours, ensuring client satisfaction, and maintaining high standards in consulting projects.

How much do part time engineering consultants make per hour?

Part-time engineering consultants typically earn between $50 and $150 per hour, depending on their experience, specialization, and location. Rates can vary based on the complexity of projects and the level of expertise required, with highly specialized consultants charging higher fees.

What are the most commonly searched types of Engineering Consulting jobs in California?

The most popular types of Engineering Consulting jobs in California are:

What are popular job titles related to Part Time Engineering Consulting jobs in California?

For Part Time Engineering Consulting jobs in California, the most frequently searched job titles are:

What job categories do people searching Part Time Engineering Consulting jobs in California look for?

The top searched job categories for Part Time Engineering Consulting jobs in California are:

What cities in California are hiring for Part Time Engineering Consulting jobs?

Cities in California with the most Part Time Engineering Consulting job openings:

Part Time Engineering Consulting jobs near you
Infographic showing various Part Time Engineering Consulting job openings in California as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $100,419 per year, or $48.3 per hour.

On-call Senior Archaeologist

TRC Companies, Inc.

San Ramon, CA • On-site

$36.06 - $45.68/hr

Part-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 21 days ago

TRC Companies rating

8.3

Company rating: 8.3 out of 10

Based on 25 frontline employees who took The Breakroom Quiz

122nd of 449 rated engineering

Job description

About Us
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP's 83,000 experts create positive, long-lasting impacts for our communities and our clients in the power and energy, transportation and infrastructure, environmental, and property and buildings sectors. As part of our team, you'll discover a world of opportunities to connect with innovative thinkers, forge your path, and have fun tackling the world's most challenging projects. At TRC, Member of WSP, you can have a rewarding career on every level.
TRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. From pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry leader.
We recognize that the expertise of our staff is our strongest asset, so we generously reward employees for successful performance and invest in their careers through training and the development of new skills and certifications.
Overview
COMPANY DESCRIPTION
TRC Companies, Inc. a pioneer in ground-breaking scientific and engineering developments since the 1960s, is an engineering consulting firm that provides integrated services to the energy, environmental and infrastructure markets. TRC serves a broad range of clients in government and industry, implementing complex projects from initial concept to delivery and operation.
SECTOR OVERVIEW
Our Environmental Sector delivers comprehensive environmental solutions to meet the full project lifecycle needs of clients in renewable energy, oil - gas, transportation, and manufacturing industries. With one of the largest multimedia air and land permitting and compliance teams in the country, we support client success in manufacturing and industry, liquids delivery and processing, natural gas storage and delivery, power generation and delivery, and transportation projects.
Responsibilities
KEY RESPONSIBILITIES - TASKS
  • The individual will be responsible for overall management and direct supervision, including fieldwork, of all types of archaeological field and historic preservation projects, ranging from small local surveys through large, multi-year energy projects, marketing, proposal development, client coordination, regulatory and tribal consultation.
  • Assist with implementation of budgets, research designs, work plans, schedules, analyses and reporting.
  • The Senior Archaeologist will work closely with other cultural resources and environmental staff in TRC's Planning, Permitting, and Licensing practice.
  • The candidate will have the potential to bring in new work and possess solid relationships with the SHPO, THPOs, and other Federal, State, and Municipal Government archaeological staff in California and across the west in general.

Qualifications
  • Graduate degree (M.A. or Ph.D.) in anthropology, archaeology, architectural history, or historic preservation.
  • 10 or more years' experience of progressive experience in the archaeology and/or architectural history of California and the surrounding region.
  • Knowledge of state and federal regulations, environmental review processes, and compliance requirements (e.g., Section 106 and California Environmental Quality Act - CEQA);
  • SPECIFIC PERMITTING REQUIREMENTS for state and federal lands (ARPA and Fieldwork Authorization permits).
  • Meet the Secretary of Interior's Professional Qualifications for Archaeology, History, Architectural History, or Historic Architecture.
  • Previous project experience working on federal (e.g., BLM, USFS, NPS, ACOE, BIA) and state lands (e.g., California State Parks).
  • Regional experience that would allow for immediate permitting with the local offices of federal agencies (e.g., BLM, USFS, BOR, etc.) and obtaining other permits as needed.
  • Previous experience in following states is preferable: CA, OR, WA, NV, AZ.
  • Excellent communication skills, including writing, editing, peer-reviewing, public speaking.
  • Excellent interpersonal and management skills.
  • Ability to accomplish tasks in a timely manner, with a track record of meeting deadlines and budgets and producing high quality reports.
  • A commitment to safety.
  • Familiarity with digital data recordation and management.
  • A valid driver's license with a clean driving record; and
  • Successful completion of a background check and drug screen.

Benefits*: TRC offers a competitive benefit package consisting of:
  • Medical, dental, vision, and disability insurance.
  • 401k package that includes both traditional and Roth IRA options and Company match.
  • Paid time off contingent upon full time or part time status and level of seniority (ranging from 15 to 25 days per year).
  • All full-time employees enjoy a minimum of 8 Paid Holidays per year.
  • TRC ensures that all employees, including those that work part-time, receive paid sick, family, and disability leave in accordance with the laws of their state of residence.

*These benefits are applicable to US employees depending on their employment status (full time, part time, or temporary). TRC offers jurisdiction specific benefit packages for International and Puerto Rico employees.
Compensation: In accordance with local law, the below salary range is applicable for the job and location associated with this requisition. Compensation will vary based upon experience, education, skill level, geographical location, and other compensable factors.
Other Compensation: Employee may be eligible for participation in the Company's annual Discretionary Bonus Program which is contingent on Company, Business Segment, and Individual performance against Key Performance Indicators which vary by year and employee.
Disclaimers
TRC is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable law. All employment decisions are made based on qualifications, merit, and business needs. We celebrate diversity and are committed to creating an inclusive environment for all employees.
The complete job description and application are available on TRC's career site.
TRC accepts applications for this position on an ongoing, rolling basis and reserves the right to cancel this posting at any time.
Salary Range
USD $36.06 - USD $45.68 /Hr.

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