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Assistant System Engineer Jobs in Fullerton, CA (NOW HIRING)

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 ...

Systems Integration Engineer

Irvine, CA · On-site

$120K - $160K/yr

... * Assist in developing system concepts and contributing to next-generation launcher solutions ... Produce engineering documentation including drawings, wiring diagrams, network layouts, assembly ...

... System and optionally for an associated fuel line. The Systems Engineer will prepare architecture models of systems both with and without an AI Model Assistant then produce appropriate licensing ...

Showing results 21-40

Assistant System Engineer information

See Fullerton, CA salary details

$34.4K

$92.6K

$140.3K

How much do assistant system engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for assistant system engineer 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?

Assistant System Engineers are entry-level professionals who support the design, implementation, and maintenance of computer systems and networks within an organization. They assist senior engineers in troubleshooting technical issues, configuring hardware and software, and ensuring the smooth operation of IT infrastructure. This role provides hands-on experience and exposure to various technologies, making it a common starting point for a career in systems engineering.

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

To thrive as an Assistant System Engineer, you need a solid grounding in computer science fundamentals, troubleshooting, and system administration, typically supported by a relevant degree or certification. Familiarity with operating systems (such as Linux and Windows), scripting languages, and IT service management tools like ServiceNow is often required. Strong analytical thinking, effective communication, and teamwork skills set outstanding candidates apart in this role. These competencies enable efficient problem-solving and collaboration, ensuring reliable system performance and swift resolution of technical issues.

What are some common challenges faced by assistant system engineers during the onboarding period?

Assistant System Engineers often encounter challenges such as quickly adapting to complex IT infrastructures, learning proprietary systems, and understanding organization-specific protocols. Collaborating with senior engineers and cross-functional teams can also require strong communication skills to bridge knowledge gaps. Proactively seeking guidance, participating in training sessions, and utilizing available documentation are effective ways to overcome these initial hurdles and build a solid technical foundation.

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

AspectAssistant System EngineerSystem Engineer
QualificationsBachelor's degree in Computer Science or related field, certifications like CompTIA or Cisco are commonSame as Assistant System Engineer, often with additional certifications or experience
Work EnvironmentSupportive roles in IT teams, assisting with system maintenance and troubleshootingDesign, implement, and manage complex IT systems and infrastructure
ResponsibilitiesAssist in system setup, monitoring, and basic troubleshootingLead system design, deployment, and optimization

In summary, Assistant System Engineers typically support and assist System Engineers in daily tasks, focusing on maintenance and troubleshooting, while System Engineers handle more complex system design and management responsibilities.

Are assistant system engineers in high demand?

Assistant system engineers are generally in steady demand due to the ongoing need for IT infrastructure support, system maintenance, and technical troubleshooting across various industries. The role often requires knowledge of operating systems, networking, and scripting, and demand can increase with technological advancements and digital transformation initiatives.

Is an assistant system engineer an entry level job?

An assistant system engineer is typically considered an entry-level position in the IT and engineering fields, often requiring a bachelor's degree in computer science or related areas. It involves supporting senior engineers with tasks such as system maintenance, troubleshooting, and basic network configurations, making it suitable for recent graduates or those with limited professional experience.

What does an assistant system engineer do?

An assistant system engineer supports the design, implementation, and maintenance of computer systems and networks. They assist with troubleshooting, system configuration, and testing, often working under the supervision of senior engineers and using tools like operating systems, scripting, and monitoring software.

What are the most commonly searched types of System Engineer jobs in Fullerton, CA?

The most popular types of System Engineer jobs in Fullerton, CA are:

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

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

Infographic showing various Assistant System Engineer job openings in Fullerton, CA as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 18% Part Time, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $92,597 per year, or $44.5 per hour.

Systems Engineer, Electro Optical, Space

Anduril Industries

Costa Mesa, CA • On-site

Full-time

Re-posted 15 days ago


Anduril rating

9.1

Company rating: 9.1 out of 10

Anduril

Based on 17 frontline employees who took The Breakroom Quiz

7.4

Company rating compared to similar companies: 7.4 out of 10

Manufacturers average

Based on 75,610 frontline employees who took The Breakroom Quiz


Job description

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.
ABOUT THE TEAM
Anduril's Space team is dedicated to expanding our AI-powered capabilities into the final frontier, enhancing Space Domain Awareness, Space Control, and Command and Control for U.S. military and allied partners. We're developing fully integrated hardware and software systems, including Lattice for Space Missions and modular payloads, to address growing threats in space and ensure our Guardians maintain a decisive advantage in this contested war-fighting domain.
ABOUT THE JOB
As an Electro Optical System Engineer for our Space team, you will facilitate the integration of EO Payloads on our spacecraft platforms from initial concept development through on-orbit execution. A successful candidate will have experience during all phases of payload system engineering including architecture and requirement derivation, performance modeling, design reviews, laboratory testing, spacecraft assembly integration and test, on-orbit initialization, and mission operations. A proven history of interfacing with all disciplines of the engineering, specialty, and program management team to shepherd a payload design to maturity is required.
You'll be expected to clearly communicate risk, issues, and progress with customer representatives and external vendors in a collaborative environment. We are especially seeking candidates with hands-on experience in optical laboratories characterizing and calibrating optical payloads. You will be expected to know how to configure and operate test equipment such as collimators, integrating spheres, interferometers, and other tools. You will work closely with other AI&T professionals and be expected to train others how to also use this equipment. Payloads you will be interacting with include photon detecting imagers from visible through long wave infrared wavebands including CMOS and CCD focal planes, thermal sensors including microbolometers, as well as LiDAR and laser range finders. Experience with state-of-the-art sensing technology such as event based cameras, quantum detectors, and metamaterials is also highly desired.
WHAT YOU'LL DO
  • Perform concept designs of active and passive EO payloads
  • Derive system and unit level requirements
  • Analyze performance with an in-depth understanding of payload technology and related physics
  • Identify payload key performance parameters and create test plans and procedures to measure these parameters in a laboratory environment
  • Perform hands-on characterization and calibration of the radiometric and geometric performance of flight hardware using collimators, integrating spheres, theodolites, laser trackers, interferometers, and other optical test equipment
  • Train and educate other AI&T professionals to conduct successful payload testing
  • Work with the external and internal engineering team to author Interface Control Documents (ICD) covering all aspects of payload integration including electrical, data, algorithmic, mechanical, thermal, and optical interfaces
  • Facilitate communication between mechanical, thermal, electrical, and software teams to resolve complex integration trades and manage technical risk
  • Define and develop payload data calibration algorithms and data products and work with computer vision and flight software engineers to integrate these algorithms into the processing pipeline
  • Define on-orbit calibration sequences, initialization procedures, and provide real-time engineering support during nominal operations
  • Clearly communicate with customers at design reviews and during the entire payload development lifecycle
  • Assist assembly and integration campaigns for space systems flight hardware
  • Integrate across numerous teams to collaboratively identify testing requirements to include verification and validation plans
  • Develop test plans and procedures for prototype, qualification, and acceptance of space systems flight hardware
REQUIRED QUALIFICATIONS
  • Strong engineering background from industry and school, ideally in areas/fields such as Systems Engineering, Physics, Mechanical Engineering, or Electrical Engineering
  • Experience conducting assembly, integration and test of space payload flight hardware with a focus on performance characterization and requirement verification
  • Deep understanding of professional optical test equipment, tools and methodologies with a tie back to the underlying physics
  • Experience with advanced payload analyses and laboratory measurements including photon transfer, dark current, radiometry, responsivity, distortion mapping, boresight alignments, non-uniformity corrections, point spread function, modulation transfer function, and more
  • Ability to quickly understand and navigate complex systems and detailed requirements
  • Capable of solving complex technical problems with little oversight
  • Clear communication and organizational skills including documentation and training material
  • Experience writing technical documentation, procedures, and reports
  • Experience working in cleanroom and ESD-safe environments
  • Eligible to obtain and maintain an active U.S. Secret security clearance
PREFERRED QUALIFICATIONS
  • Experience with ImageJ, Python, MATLAB
  • Experience with optical test equipment from Labsphere, 4D Technologies, Leica, SORL, and other industry leaders
  • Experience with stray light, depth of focus, and supplementary payload analyses
  • Experience with optical modeling in tools such as Zemax or Code V
  • Experience with RF payload design and testing

US Salary Range
$146,000-$194,000 USD
The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including:
Benefits
At Anduril, we invest in our people. Our comprehensive, competitive benefits package (available at little to no cost to employees) ensures you're supported in health, recovery, and whatever comes next. For more information, Explore Our Benefits.
Protecting Yourself from Recruitment Scams
Anduril is committed to maintaining the integrity of our Talent acquisition process and the security of our candidates. We've observed a rise in sophisticated phishing and fraudulent schemes where individuals impersonate Anduril representatives, luring job seekers with false interviews or job offers. These scammers often attempt to extract payment or sensitive personal information.
To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind:
  • No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Our legitimate recruitment is entirely free for candidates.
  • Please always verify communications:
    • Direct from Anduril: If you receive an email from one of our recruiters, it will only come from an @anduril.com address.
    • Via Agency Partner: If contacted by a recruiting agency for an Anduril role, their email will clearly identify their agency. If you suspect any suspicious activity, please verify the agency's authenticity by reaching out to contact@anduril.com.
  • Exercise Caution with Unsolicited Outreach: If you receive any communication that appears suspicious, contains grammatical errors, or makes unusual requests, do not engage. Always confirm the sender's email domain is @anduril.com before providing any personal information or clicking on links.
  • What to Do If You Suspect Fraud: Should you encounter any questionable or fraudulent outreach claiming to be from Anduril, please report it immediately to contact@anduril.com. Your proactive caution is invaluable in protecting your personal information and upholding the security and trustworthiness of our recruitment efforts.

Data Privacy
To view Anduril's candidate data privacy policy, please visit https://anduril.com/applicant-privacy-notice/.
By submitting your application, you consent to Anduril Industries using a third-party service provider to conduct pre-employment risk, integrity, and due diligence screening and assessing potential risks as part of your application process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider does not act as a consumer reporting agency. Use of this provider helps to ensure compliance with applicable laws and protect technology, intellectual property, and organizational security.

Working at Anduril

About Anduril, in their own words

From Anduril

As the world enters an era of strategic competition, Anduril delivers cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the warfighter in months, not years.


What Anduril employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Anduril Industries logo

About Anduril Industries

Sourced by ZipRecruiter

Anduril Industries is a trailblazer in the technology industry based in Costa Mesa, CA, US. Founded in 2017 by Palmer Luckey, the creator of Oculus VR, the company focuses on developing innovative technology to equip and empower those in the defense sector. Its primary products include cutting-edge autonomous systems and AI software that assist in combating threats to national and global security. The mission of Anduril Industries is to integrate technology and defense by building transformative, scalable solutions that ensure a safer world.

Industry

Guided missile and space vehicle manufacturing

Company size

501 - 1,000 Employees

Headquarters location

Costa Mesa, CA, US

Year founded

2017

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