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Mid Level Engineer Jobs in Santa Ana, CA (NOW HIRING)

Salas O'Brien, Inc.

Mid-Level Plumbing Engineer

Tustin, CA

$93K - $117K/yr

Mid-Level Plumbing Engineer At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects.

Salas O'Brien

Mid-Level Plumbing Engineer

Tustin, CA · On-site

$93K - $117K/yr

Mid-Level Plumbing Engineer At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects.

Salas O'Brien

Mid-Level Mechanical Engineer

Tustin, CA · On-site

Provide a superior level of technical services to our clients for their projects and technical support requirements, providing technical and project control direction, and mentoring other engineers ...

Salas O'Brien, Inc.

Mid-Level Plumbing Engineer

Tustin, CA · On-site

$100 - $150/hr

Provide a superior level of technical services to our clients for their projects and technical support requirements, providing technical and project control direction, and mentoring other engineers ...

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All JobsMid Level Engineer JobsMid Level Engineer Jobs in Santa Ana, CA

Mid Level Engineer information

See Santa Ana, CA salary details

$40.6K

$105.9K

$143.1K

How much do mid level engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for mid level engineer in Santa Ana, CA is $105,881.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,400.00 and $121,200.00 per year, depending on experience, location, and employer.

What is a mid level engineer?

A Mid Level Engineer is a professional with a few years of experience—typically between three to five years—in their engineering field. They are responsible for handling moderately complex tasks, collaborating with teams, and often mentoring junior engineers. Mid Level Engineers are expected to work independently on projects, solve technical problems, and contribute to the design, development, or maintenance of systems or products. Their role bridges the gap between entry-level positions and senior engineering roles, combining technical expertise with growing leadership skills.

What are the key skills and qualifications needed to thrive as a mid level engineer, and why are they important?

To thrive as a Mid Level Engineer, you need a solid understanding of engineering principles, hands-on project experience, and typically a relevant bachelor's degree. Familiarity with industry-standard software tools, such as CAD programs or coding languages specific to your field, and certifications like EIT or PMP may be required. Strong problem-solving abilities, effective communication, and teamwork skills set standout candidates apart. These competencies are essential for managing projects efficiently, collaborating across teams, and delivering innovative engineering solutions.

What are some common challenges faced by mid level engineers when transitioning from individual contributor tasks to mentoring junior team members?

Mid-level engineers often find themselves balancing their own technical responsibilities while starting to guide and mentor junior colleagues. This transition can be challenging as it requires strong communication skills and the ability to provide constructive feedback without micromanaging. Additionally, mid-level engineers may need to learn how to delegate tasks effectively and prioritize team goals alongside their individual work. Successfully navigating these challenges helps build leadership skills and prepares engineers for more senior roles in the future.

What is the difference between Mid Level Engineer vs Junior Engineer?

AspectMid Level EngineerJunior Engineer
Experience2-5 years of relevant work experience0-2 years of experience or entry-level
SkillsProficient in core technical skills, able to handle projects independentlyBasic understanding, requires supervision and guidance
ResponsibilitiesDesign, develop, and troubleshoot projects; mentor interns or junior staffAssist in tasks, learn on the job, and support senior staff
CertificationsOften required or preferred (e.g., PE, relevant industry certifications)Typically not required

The main difference between a Mid Level Engineer and a Junior Engineer lies in experience, skill level, and responsibilities. Mid Level Engineers are expected to work independently on complex tasks, while Junior Engineers focus on learning and supporting more experienced staff. Employers seek Mid Level Engineers for their ability to contribute immediately and handle projects with minimal supervision.

What does a mid level engineer make?

A mid-level engineer typically earns between $70,000 and $100,000 annually, depending on the industry, location, and experience. They usually have 2-5 years of experience and may work with specific tools or technologies relevant to their field.

What are the most commonly searched types of Engineer jobs in Santa Ana, CA?

The most popular types of Engineer jobs in Santa Ana, CA are:

What are popular job titles related to Mid Level Engineer jobs in Santa Ana, CA?

For Mid Level Engineer jobs in Santa Ana, CA, the most frequently searched job titles are:

What cities near Santa Ana, CA are hiring for Mid Level Engineer jobs?

Cities near Santa Ana, CA with the most Mid Level Engineer job openings:

Mid Level Engineer jobs near you
Infographic showing various Mid Level Engineer job openings in Santa Ana, CA as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $105,881 per year, or $50.9 per hour.

Mid Level Environmental Engineer

TRS Staffing Solutions

Irvine, CA • On-site

$90K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago

Key responsibilities

  • Support the design of assessment programs and remedial options for site cleanup, environmental due diligence, regulatory compliance, and permitting activities.

  • Scope, coordinate, and perform fieldwork to support environmental assessment, remediation, and restoration projects, including collecting samples from groundwater, soil, soil vapor, and surface water.

  • Prepare technical presentations, reports, letters, plans, and proposals, and communicate project status to senior staff, clients, and regulators.

Job description

Mid-Level Environmental Engineer

 

We currently seek a Mid-Level Environmental Engineer/ Scientist/ Geologist on a direct hire basis within our client’s environmental engineering and science consulting firm. The ideal candidate will possess 3 to 10 years of relevant experience. Responsibilities include supporting the design of assessment programs and remedial options for site cleanup, ensuring regulatory compliance, and obtaining necessary permits. The ideal candidate will coordinate and perform fieldwork, collecting samples from groundwater, soil, soil vapor, and surface water. Additionally, they will manage project budgets, prepare technical presentations and reports, and communicate project status to senior staff, clients, and regulators. The role also involves collaborating with vendors, subcontractors, and analytical laboratories, analyzing environmental data, and contributing to a collaborative team atmosphere. Based in Irvine, CA.

Job Requirements:

·       Support the design of assessment programs and remedial options for site cleanup, as well as environmental due diligence, regulatory compliance, and permitting activities.

·       Scope, coordinate, and perform fieldwork to support environmental assessment, remediation, and restoration projects. Fieldwork may include the collection of groundwater, soil, soil vapor, and surface water samples.

·       Develop and track project budgets.

·       Prepare high-quality technical presentations, reports, letters, plans, and proposals with minimal senior GSI staff oversight.

·       Regularly interact with senior GSI staff, clients, and regulators to communicate project status.

·       Coordinate with vendors, subcontractors, and analytical laboratories and independently perform subcontractor oversight.

·       Manage, analyze, and interpret environmental data using statistical and data visualization tools.

·       Perform and oversee data entry and QA/QC of data tables, maps, reports, and other work products.

·       Independently perform research tasks with input from senior staff and technical experts.

·       Contribute to a team atmosphere through collaboration with technical experts, project managers, colleagues, and subcontractors.

 

 

Qualifications:

·       A Bachelors degree or higher in the Geosciences, Environmental Engineering, or related field is required; a Masters degree is preferred.

·       Between 3 and 10 years of relevant professional work experience is preferred.

·       Engineer in Training (EIT) or Geologist in Training (GIT) certification is required; however, Professional Engineer (PE) or Professional Geoscientist (PG) certification is preferred.

·       Required skills and qualifications include:

·       Experience with data management, database and office software, and data analysis

·       Excellent organizational, verbal, and written communication

·       Ability to manage multiple tasks and organize complex datasets

·       Ability to work independently and as part of a team

·       Valid drivers license and clear driving record

·       Ability to travel domestically to perform fieldwork

·       Additional preferred skillsets and qualifications include:

·       Working knowledge of state and federal environmental cleanup regulations is preferred

·       40-hour OSHA HAZWOPER certification

 

To be Considered Candidates: Must be authorized to work in the USA without sponsorship***  

Employment Type: Direct Hire

Location of Position: Irvine, CA

Location Type: On-site

TRS Staffing Solutions is an Equal Opportunity Employer that recognizes the value of a diverse workforce.  Employment decisions are based on job related criteria and not on the basis of any unlawful criteria.  We ensure equal access to employment opportunities, services, and programs.