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Assistant Systems Engineer Jobs in California (NOW HIRING)

The Rockridge Group

Systems Engineer

Pleasanton, CA · On-site

Systems Engineer II/vCIO Division: Managed IT Services Branch: Pleasanton, Santa Rosa and San Mateo ... Ability to speak with C-Level Management and assist in the creation of business technology roadmaps

BTAS, Inc.

Systems Engineer

El Segundo, CA · On-site

$148K - $250K/yr

Systems Engineer LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Active TS with SCI ... Identify and recommend improvements in acquisition processes; assist in risk management and ...

BTAS

Systems Engineer

El Segundo, CA

$148K - $250K/yr

Systems Engineer LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Active TS with SCI ... Identify and recommend improvements in acquisition processes; assist in risk management and ...

Quantum Sky

Senior Systems Engineer

El Segundo, CA

$111K - $152K/yr

Provide systems engineering support to the SEWOL and RMT enterprise analysis efforts (e.g ... Review test plans, test procedures, and test reports * Assist in development of performance-based ...

Applied Materials, Inc.

Systems Engineer

Santa Clara, CA · On-site

$138K - $190K/yr

Conduct detailed engineering analysis of sub systems using vast knowledge of design concepts and functional requirements in field of technical expertise and broaden into other disciplines. * Assist ...

Applied Materials

Systems Engineer

Santa Clara, CA · On-site

$138K - $190K/yr

As a Systems Engineer, you'll design, integrate, and optimize complex systems that drive the ... disciplines. Assist in creating concepts for architectural design approaches. Evaluate ...

Quantum Sky

Senior Systems Engineer

El Segundo, CA · On-site

$140K - $190K/yr

Provide systems engineering support to the SEWOL and RMT enterprise analysis efforts (e.g ... Review test plans, test procedures, and test reports * Assist in development of performance-based ...

Quantum Sky

Senior Systems Engineer

El Segundo, CA

$140K - $190K/yr

Provide systems engineering support to the SEWOL and RMT enterprise analysis efforts (e.g ... Review test plans, test procedures, and test reports * Assist in development of performance-based ...

Saic

MBSE Systems Engineer

San Diego, CA · On-site

$160K - $200K/yr

Engage with other systems engineers directly supporting programs and foster broader understanding of modeling and assist them in developing Systems Engineering work products, including: System ...

Quantum Sky

Senior Systems Engineer

El Segundo, CA · On-site

$111K - $152K/yr

Provide systems engineering support to the SEWOL and RMT enterprise analysis efforts (e.g ... Review test plans, test procedures, and test reports * Assist in development of performance-based ...

AeroVironment, Inc.

Systems Engineer II

Petaluma, CA · On-site

$82K - $125K/yr

Document work and assist with the transition of new capabilities, technologies and prototypes into a production development environment. * Work on problems of moderate scope where analysis of ...

Amat

Systems Engineer

Santa Clara, CA · On-site

$138K - $190K/yr

Conduct detailed engineering analysis of sub systems using vast knowledge of design concepts and functional requirements in field of technical expertise and broaden into other disciplines. * Assist ...

AeroVironment

Systems Engineer II

Petaluma, CA · On-site

$82K - $125K/yr

Document work and assist with the transition of new capabilities, technologies and prototypes into a production development environment. * Work on problems of moderate scope where analysis of ...

Applied Materials

Systems Engineer

Santa Clara, CA · On-site

$138K - $190K/yr

Conduct detailed engineering analysis of sub systems using vast knowledge of design concepts and functional requirements in field of technical expertise and broaden into other disciplines. * Assist ...

KBR, Inc.

Strategic Systems Engineer

El Segundo, CA · On-site

Track program risks, opportunities, schedules, and technical performance measures. * Assist with ... Experience with systems engineering and technical baseline management * Experience supporting ...

KBR

Strategic Systems Engineer

El Segundo, CA · On-site

Track program risks, opportunities, schedules, and technical performance measures. * Assist with ... Experience with systems engineering and technical baseline management * Experience supporting ...

SAIC

MBSE Systems Engineer

San Diego, CA · On-site +1

$160K - $200K/yr

Engage with other systems engineers directly supporting programs and foster broader understanding of modeling and assist them in developing Systems Engineering work products, including: System ...

SAIC

MBSE Systems Engineer

San Diego, CA · On-site

$160K - $200K/yr

Engage with other systems engineers directly supporting programs and foster broader understanding of modeling and assist them in developing Systems Engineering work products, including: System ...

Peregrine Team

Junior Systems Engineer

Los Angeles, CA · On-site

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

Sophia Space

Mission Systems Engineer

Pasadena, CA · On-site

$106K - $163K/yr

We are seeking a versatile Senior Mission Systems Engineer to support mission architecture ... Support communications requirements, ICD development, and ground network coordination. * Assist ...

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All JobsSystems Engineer JobsAssistant Systems Engineer JobsAssistant Systems Engineer Jobs in California

Assistant Systems Engineer information

See California salary details

$32.6K

$87.6K

$132.7K

How much do assistant systems engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for assistant systems 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 is an assistant systems engineer?

Assistant Systems Engineers are entry-level professionals who support the design, implementation, and maintenance of an organization's computer systems and networks. They assist senior engineers in troubleshooting technical issues, configuring hardware and software, and ensuring system security and efficiency. This role is often a starting point for a career in systems engineering, providing hands-on experience with IT infrastructure and project management. Assistant Systems Engineers typically work as part of a larger IT team in industries such as technology, finance, or healthcare.

What are the key skills and qualifications needed to thrive as an assistant systems engineer?

To thrive as an Assistant Systems Engineer, you generally need a background in computer science or engineering, with strong analytical and problem-solving skills. Familiarity with operating systems, scripting languages, and networking concepts, along with certifications like CompTIA Network+ or Microsoft Certified: Azure Fundamentals, are typically valuable. Effective communication, teamwork, and adaptability are standout soft skills in this position. These skills and qualifications enable efficient system maintenance, troubleshooting, and collaboration, which are critical for minimizing downtime and supporting organizational IT needs.

What are the common challenges faced by assistant systems engineers in their first year, and how can they overcome them?

As an Assistant Systems Engineer, newcomers often face challenges such as adapting to complex technical environments, understanding legacy systems, and balancing multiple project deadlines. It can be overwhelming to quickly learn new tools and technologies while also meeting the expectations of senior engineers and project managers. Overcoming these challenges involves proactive communication, seeking mentorship from experienced team members, and dedicating time to hands-on practice and continuous learning. Being open to feedback and collaborating closely with cross-functional teams also helps build confidence and technical expertise.

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

AspectAssistant Systems EngineerSystems Engineer
Required CredentialsBachelor's degree in Computer Science or related field; some certificationsBachelor's or higher; certifications like Cisco, Microsoft often preferred
Work EnvironmentSupportive, entry-level roles in IT teams, assisting with system maintenanceDesign, implement, and manage complex systems; more autonomous
Employer & Industry UsageCommon in tech, IT services, and engineering firmsUsed across industries for system design and management

The Assistant Systems Engineer typically supports senior staff, focusing on routine tasks and learning, while the Systems Engineer takes on more complex system design and management responsibilities. Both roles require similar educational backgrounds, but the Systems Engineer role demands more experience and technical expertise.

Are assistant systems engineers in high demand?

Assistant Systems Engineers are in steady demand as organizations seek professionals with skills in systems analysis, troubleshooting, and technical support. The role often requires knowledge of networking, operating systems, and relevant certifications, making it a valuable entry-level position in the technology sector.

What does an entry level assistant systems engineer do?

An entry-level assistant systems engineer supports the design, implementation, and maintenance of computer systems and networks. They often assist with troubleshooting, system testing, documentation, and may use tools like operating systems, scripting, and monitoring software under supervision to ensure system performance and security.

What are the most commonly searched types of Systems Engineer jobs in California?

The most popular types of Systems Engineer jobs in California are:

What cities in California are hiring for Assistant Systems Engineer jobs?

Cities in California with the most Assistant Systems Engineer job openings:

Assistant Systems Engineer jobs near you
Infographic showing various Assistant Systems Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 88% Full Time, 7% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $87,592 per year, or $42.1 per hour.

Systems Engineer

Pleasanton, CA • On-site

The Rockridge Group
See more jobs at The Rockridge Groupexternal

Full-time

Re-posted 5 days ago

Job description

 
Job Title:                               Systems Engineer II/vCIO             
Division:                           Managed IT Services 
Branch:                             Pleasanton, Santa Rosa and San Mateo
Reports to:                       Managed IT Service Manager 
 
The System Engineer is responsible for the maintenance and improvement of our internal IT infrastructure as well as providing technical assistance to team members and end users with system and network requests.  The focus is on Systems support but a solid networking and security foundation is critical to success. 
 
Essential Duties and Responsibilities: 
  • Support services for 
  1. Microsoft related technologies: Windows Server 2016,2019, Exchange, SQL 
  2. Microsoft 365 Administration portal experience  
  3. Virtualization technologies: VMware and Hyper-V  
  4. Azure and AWS knowledge and implementation experience  
  5. Firewalls and remote access: SonicWall, Net Extender o  
  6. 2FA experience: Duo, Google, Microsoft 
  7. Networking: Unifi, HP, Cisco-Experienced in VLANs, DHCP, DNS and general Network Topology 
 
  • Administration and maintenance of the remote monitoring and management system (RMM): update agent scripts, respond to alerts, monitor dashboard, and periodic system review 
  • Develop and document maintenance routines for all computer systems 
  • Support of WAN and LAN connectivity, routers, firewalls, and security 
  • Document all work performed as tickets and time entries in our ConnectWise Manage PSA 
  • Field Service Support- Troubleshooting and ongoing hardware support (reliable transportation is required)
  • Refresh Projects- Participate in projects where current hardware is replaced to include but not limited to: 
firewalls, network switches, AP’s, workstations, servers etc. 
 
Knowledge, Skills, and/or Abilities Required:  
 
  • 7+ years’ experience with Servers, virtualization technology 
  • Server and Network experience
  • Professional IT Certifications, such as: Microsoft MCITP, MCSA, or MCSE 
  • Ability to speak with C-Level Management and assist in the creation of business technology roadmaps 
  • Understanding of support tools, techniques, and how technology is used to provide IT services 
  • Typing skills to ensure quick and accurate entry of service request details 
  • MSP experience
  • Accept escalations from the helpdesk 
  • Escalate service or project issues that cannot be completed within agreed service levels 
  • Business awareness: and understanding of product management cycles 
  • Document internal processes and procedures related to duties and responsibilities 
  • Responsible for entering time and expenses as they occur