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Assistant System Engineer Trainee Jobs in Fullerton, CA

Power System Engineer Location: Irvine, CA Work Type: Full Time/ Hybrid The Power System Engineer ... enhancements * Assist with multi-language deployment environments and system setup * Provide ...

Power System Engineer Location: Irvine, CA Work Type: Full Time/ Hybrid The Power System Engineer ... enhancements * Assist with multi-language deployment environments and system setup * Provide ...

Responsibilities * Assist with defining system requirements and architecture * Support system testing and validation activities * Collaborate with cross-functional engineering teams * Identify and ...

Mission Systems Engineer

Pasadena, CA · On-site

$106K - $163K/yr

Support system-level requirements development, interface definition, verification planning, and ... Support communications requirements, ICD development, and ground network coordination. * Assist ...

Use engineering databases and analytical tools to evaluate system readiness. * Assist with integrating failure and maintenance data from multiple sources. * Support development of system reliability ...

Showing results 21-40

Assistant System Engineer Trainee information

See Fullerton, CA salary details

$34.4K

$92.6K

$140.3K

How much do assistant system engineer trainee jobs pay per year?

As of Sep 5, 2026, the average yearly pay for assistant system engineer trainee in Fullerton, CA is $92,597.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,600.00 and $109,000.00 per year, depending on experience, location, and employer.

What is an assistant system engineer trainee?

An Assistant System Engineer Trainee is an entry-level position in the IT and software industry, typically offered to recent graduates. In this role, trainees learn about software development, system maintenance, and troubleshooting under the guidance of senior engineers. The position is designed to provide hands-on experience with various technologies and tools used in the company, allowing trainees to develop technical and problem-solving skills. After successfully completing the training period, they may be promoted to higher roles such as System Engineer or Software Developer.

What are the typical responsibilities and learning opportunities for an assistant system engineer trainee?

As an Assistant System Engineer Trainee, your first few months will typically involve a mix of technical training, shadowing experienced engineers, and working on small-scale tasks under supervision. You may assist with system installations, troubleshooting issues, and performing routine maintenance. The role often provides structured learning opportunities such as workshops and mentorship, helping you build foundational skills in system administration, networking, and security. Actively collaborating with team members and participating in group projects will also help you gain hands-on experience and better understand company-specific processes.

What are the key skills and qualifications needed to thrive as an assistant system engineer trainee, and why are they important?

To thrive as an Assistant System Engineer Trainee, you need a solid grounding in computer science fundamentals, programming languages (such as Java, Python, or C++), and typically a bachelor’s degree in engineering or a related field. Familiarity with operating systems, version control systems like Git, and basic knowledge of databases and cloud platforms are commonly required. Strong problem-solving abilities, teamwork, and effective communication help you adapt and contribute within project teams. These skills are crucial for efficiently learning on the job, supporting senior engineers, and delivering reliable technical solutions.

What is the difference between Assistant System Engineer Trainee vs Associate System Engineer?

AspectAssistant System Engineer TraineeAssociate System Engineer
QualificationsBachelor's in Engineering or related field, training focusBachelor's degree, some certifications preferred
Work EnvironmentTraining period, supervised tasksFull-time role, independent project work
Employer UsageEntry-level trainees, internship programsEntry to mid-level engineering position
Search & Comparison IntentUnderstanding trainee roles, career pathJob responsibilities, career progression

The main difference between an Assistant System Engineer Trainee and an Associate System Engineer lies in their experience and responsibilities. Trainees are in a learning phase, focusing on training and supervised tasks, while Associate System Engineers are full-time employees handling independent projects. Both roles are common in the engineering industry, especially in IT and software companies, but the trainee position is typically an entry point for recent graduates.

What are popular job titles related to Assistant System Engineer Trainee jobs in Fullerton, CA?

For Assistant System Engineer Trainee jobs in Fullerton, CA, the most frequently searched job titles are:

What job categories do people searching Assistant System Engineer Trainee jobs in Fullerton, CA look for?

The top searched job categories for Assistant System Engineer Trainee jobs in Fullerton, CA are:

What cities near Fullerton, CA are hiring for Assistant System Engineer Trainee jobs?

Cities near Fullerton, CA with the most Assistant System Engineer Trainee job openings:

Infographic showing various Assistant System Engineer Trainee job openings in Fullerton, CA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $92,597 per year, or $44.5 per hour.

Senior Project Engineer, HVAC Control Systems

Ramboll

Los Angeles, CA • On-site

$179K - $186K/yr

Full-time

Medical, Retirement, PTO

Re-posted 26 days ago


Job description

Company Description
Senior Project Engineer, HVAC Control Systems
Valhalla, USA-NY or Los Angeles, USA-CA
Full-time
At Ramboll, you will find a dedicated group of professionals that are pioneers and leaders in Data Center Strategy, Planning, Design, Integration, Commissioning and Testing with Experience working in thousands of data centers in the U.S. territory and across the globe. We provide a broad set of services for enterprise, institutional, webscale, service provider and colocation companies.
Our team of consultants assist clients in understanding how to bring data closer to their own customers, bringing all components of IT and the facility together, and enable rapid deployment of a solution that achieves critical objectives.
We believe we are strongly positioned to create flexible environments that can easily adapt to changes and disruptions -- while eliminating risks and creating efficiencies.
This career-growth minded opportunity offers exciting projects with leading-edge technology and innovation.
Joining Ramboll
As our new Control Systems Engineer, you will be a part of Ramboll's diverse, creative, and collaborative team. When you start with Ramboll, you will be joining a company that strives to make a difference - for our employees, clients, and society. As you work on challenging projects, you will be given increasing responsibility and rely on experiences managers and colleagues to offer support and a helping hand as you learn and develop in your role.
Job Description
Responsibilities for Control System Engineer:
The successful candidate shall be able to work independently, lead the HVAC controls design team and interact with other team members with the minimal supervision for tasks as follows:
  • Execute and lead automation design teams of complex scope, and coordinate activities with other disciplines as needed
  • Mentor mechanical engineers and assist with training on controls design and development.
  • Design and implement front end platforms for HVAC controls.
  • Develop and improve configuration, programming, networking, and diagnostic standards
  • Lead creation of modification of programming logic to meet sequence of operations / SOO / Methods of Procedures / MOPs
  • Design control, monitoring and systems integration of HVAC / mechanical equipment / systems
  • Maintain and deploy updated versions of applications for existing control systems with minimal supervision, autonomous in day-to-day work with being given high level instruction on projects or assignments
  • Lead development design and continuous improvement of configuration, programming, networking, and diagnostic standards;
  • Lead design of controls for centralized chilled water plans condenser water plants, etc

Qualifications
  • Qualifications for Control System Engineer
  • BA / BS in Engineering or relevant degree a Huge Plus
  • Licensed PE / EIT / Certifications a Plus
  • Data Center Engineering experience with Automation and Controls Experience
  • Experience integrating PLC / ALC with complex data center / mission critical facilities
  • 5 + years with BMS / BCM / BAS Systems (Building monitoring systems / building control systems / Building Automation Systems
  • Previous experience working on Controls Products from companies such as: Johnson Controls / JCI; Siemens; Automated Logic; Honeywell; GE Control Systems; Schneider Electric
  • PLC / ALC Programming Experience
  • Experience with Controls systems design as it relates to: Critical HVAC equipment (Chillers, Air Handlers, CRAC / CRAH units, Boilers, etc.)
  • Experience working with common BAS protocols BACnet IP, BACnet MSTP, Modbus RTU, Modbus TCP, etc.

Additional Information
What we can offer you
  • Commitment to your development
  • Leaders guided by our Leadership Principles
  • A culture that welcomes you as the unique person you are
  • Inspiration from colleagues, clients, and projects
  • The long-term thinking of a foundation-owned company
  • Competitive base salary
  • Generous PTO
  • Excellent health & retirement benefits

EYP Mission Critical Facilities has become part of Ramboll, sustainable engineering, architecture, and consultancy company founded in Denmark in 1945. Today Ramboll operates from 300 offices in 35 countries, many in the fastest-growing regions for data center expansion - including a strong presence in the Americas. Joining with Ramboll positions us to offer services to clients anywhere in the world, from site selection through to full design and commissioning
Work at the heart of sustainable change with Ramboll in the Americas
Ramboll is a global architecture, engineering, and consultancy company. As a foundation-owned people company, founded in Denmark, we believe that the purpose of sustainable change is to create a thriving world for both nature and people. So, that's where we start - and how we work. Our history is rooted in a clear vision of how a responsible company should act and being open and curious is a cornerstone of our culture. Ramboll in the Americas has thousands of experts working across more than 70 offices. Ramboll experts deliver innovative solutions across Environment & Health, Water, Energy, and Planning & Urban Design.
Where People Flourish
Our mission is to create sustainable societies where people and nature flourish. This means that a culture of inclusion is embedded in everything we do. Our people bring diverse backgrounds and experiences to the company, enabling us to deliver innovative and forward-thinking solutions to our clients. We also know how important it is to achieve the right balance of where, when, and how much you work. At Ramboll, we offer flexibility as part of our positive and inclusive approach to work. We are committed to equal employment opportunity, regardless of age, disability or medical condition, gender identity, marriage and domestic partnership, pregnancy and maternity, race, ancestry, or national origin, religion or belief, sex and sexual orientation, military service and veteran status, or any other protected characteristic. Ramboll wants to ensure opportunities are accessible to candidates with disabilities. So, please let us know if there are any changes we could make to the application process to make it more comfortable for you. You can contact us at job.advert.accessibility@ramboll.com with such requests.
At Ramboll, we are committed to fair and transparent compensation practices that support our people and our purpose of creating sustainable societies. The anticipated base salary range for this position is $125,000 to $150,000 per year. This range reflects the compensation we reasonably expect to offer at the time of posting. Actual compensation will vary based on factors such as location, skills, experience, education, and internal equity. Because we operate across multiple U.S. markets, pay may differ depending on the cost of labor in specific locations. In addition to base salary, this position may be eligible for bonus, overtime or other forms of compensation and we offer a comprehensive benefits package that supports well-being, professional development, and work-life balance. Our recruiters are happy to share more about the specific salary range and total rewards package applicable to your location during the hiring process.