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Assistant System Engineer Jobs in California (NOW HIRING)

BTAS, Inc.

Senior GND System Engineer

El Segundo, CA · On-site

$146K - $225K/yr

Senior GND System Engineer LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Active TS with SCI ... Provide Space Acquisition and Technical Support * Assist with space acquisitions, engineering ...

BTAS

Senior GND System Engineer

El Segundo, CA · On-site

$146K - $225K/yr

Senior GND System Engineer LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Active TS with ... Provide Space Acquisition and Technical Support * Assist with space acquisitions, engineering ...

Reva Medical LLC

Sr. Quality System Engineer

San Diego, CA · On-site

$80K - $110K/yr

Execute assigned quality system activities in accordance with established procedures. * Assist in ... Coordinate with engineering, manufacturing, and supply chain teams to ensure quality requirements ...

Robert Half

System Engineer II NA

San Ramon, CA

Who We Are The System Engineer II supports the reliability, availability, security, and continuous ... * Assist with basic design, deployment, configuration, patching, and optimization of cloud ...

Robert Half

System Engineer II NA

San Ramon, CA · On-site

Who We Are The System Engineer II supports the reliability, availability, security, and continuous ... * Assist with basic design, deployment, configuration, patching, and optimization of cloud ...

Reva Medical LLC

Sr. Quality System Engineer

San Diego, CA · On-site

$80K - $110K/yr

REVA is seeking a detail-oriented Quality Systems Engineer to support and maintain the company ... Assist in preparation for internal, external, customer, and supplier audits.Track audit findings ...

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Showing results 21-40

All JobsSystem Engineer JobsAssistant System Engineer JobsAssistant System Engineer Jobs in California

Assistant System Engineer information

See California salary details

$32.6K

$87.6K

$132.7K

How much do assistant system engineer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for assistant system engineer in California is $87,592.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,600.00 and $103,100.00 per year, depending on experience, location, and employer.

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.

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 the most commonly searched types of System Engineer jobs in California? The most popular types of System Engineer jobs in California are:
What cities in California are hiring for Assistant System Engineer jobs? Cities in California with the most Assistant System Engineer job openings:
Assistant System Engineer jobs near you
Infographic showing various Assistant System Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, 2% Temporary, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $87,592 per year, or $42.1 per hour.

System Engineer Level 2 (AHT)

Northrop Grumman Corporation

Azusa, CA

$91K - $137K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

New

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 361 frontline employees who took The Breakroom Quiz

87th of 537 rated manufacturers

Job description

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman is seeking Systems Engineers. This position will be located at our Space sector in Azusa, CA. The qualified candidate will become part of Northrop Grumman's SEIT System Performance Analysis team.

*This position is contingent upon program award and the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. Continued employment thereafter will be subject to maintenance of the level of clearance and program access required for the position in the future.

Roles and Responsibilities

  • Participate in the systems engineering lifecycle, including requirements analysis, design, integration, test, and verification.
  • Support the planning and development of new programs, helping structure execution around appropriate lifecycle development methods.
  • Development and documentation of system specifications, interface control documents (ICDs), and system architecture.
  • Assist in conducting trade studies and analyses to optimize system performance, risk, and cost-effectiveness.
  • Collaborate with interdisciplinary teams, including hardware and test engineers, to ensure successful system integration.
  • Support the development and execution of system-level test plans and procedures.
  • Analyze test data and identify root causes of system anomalies or failures.
  • Contribute to technical reviews and presentations for internal and external stakeholders.

Basic Qualifications for Systems Engineer:

  • Systems Engineer: Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) field with 2 years of related experience; OR a Master's degree and/or PhD in a STEM field with 0 years of related experience.
  • Active Secret Clearance at time of application
  • Demonstrated proficiency in analytical thinking, problem solving skills and systems thinking mindset
  • Knowledge of and experience in MATLAB, C, C++, CUDA, SysML, MBSE, Python, Julia, Cameo, DOORS, Jira, Confluence or other languages/tools
  • Ability to work in an integrated product team (IPT) environment
  • US Citizenship required

Preferred Qualifications for Systems Engineer:

  • Agile development experience
  • Domain Knowledge or course history of space systems
  • Experience in an abstract modeling environment (Rhapsody, Cameo, UML, SysML, etc) for space systems evaluation
  • Experience performing system verification and validation
  • Working knowledge of EOIR systems, optics, algorithms,detection or tracking
  • Knowledge of and experience in model-based systems engineering concepts such as SysML and tools such as Cameo and Rhapsody
  • Experience with virtual environments, operational analysis or mission modeling (AFSIM, STK, BRAWLER, ATCOM, ONESAF,SIMULINK)
  • Experience in an integration and test environment for dynamic systems (CubeSats, Rockets, Robotics)

Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:

https://www.northropgrumman.com/space.

Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site: Northrop Grumman Total Rewards

As a full-time employee of Northrop Grumman, you are eligible for:

  • Medical, Dental & Vision coverage

  • 401k

  • Educational Assistance

  • Life Insurance

  • Employee Assistance Programs & Work/Life Solutions

  • Paid Time Off

  • Health & Wellness Resources

  • Employee Discounts

  • Flexible Schedules:for example, the ability to work a 9/80 work schedule, which allows an employee to work a nine-hour day Monday through Thursday and take every other Friday off of work.

#LosAngelesSpace

#LI-DB1

Primary Level Salary Range: $91,800.00 - $137,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

What Northrop Grumman employees say

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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