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Information Systems Engineer Jobs in California (NOW HIRING)

Cityside Fiber

Information Systems Developer

Irvine, CA · On-site

$81 - $99/hr

Cityside Fiber is seeking a motivated Information Systems Developer to join our IT team. This role is responsible for designing, developing, and maintaining internal business applications ...

Red Cup IT, Inc.

Senior IT Systems Engineer

Los Angeles, CA · On-site +1

$112K - $154K/yr

We are looking for a Senior IT Systems Engineer who is responsible for designing, implementing, and managing the organization's IT infrastructure. This role involves overseeing the day-to-day ...

Red Cup IT

Senior IT Systems Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

We are looking for a Senior IT Systems Engineer who is responsible for designing, implementing, and managing the organization's IT infrastructure. This role involves overseeing the day-to-day ...

Red Cup IT Inc

Senior IT Systems Engineer

Los Angeles, CA · On-site +1

$112K - $154K/yr

We are looking for a Senior IT Systems Engineer who is responsible for designing, implementing, and managing the organization's IT infrastructure. This role involves overseeing the day-to-day ...

Next Step Systems

Senior Systems Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

... other IT internal team members in the areas of network and system operations. - Prepare and ... Senior Systems Engineer Qualifications: - Expert proficiency in network and storage design and ...

Next Step Systems

Senior Systems Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

... other IT internal team members in the areas of network and system operations. - Prepare and ... Senior Systems Engineer Qualifications: - Expert proficiency in network and storage design and ...

Aalyria

IT Systems Engineer

Livermore, CA · On-site +1

IT Systems Engineer We're looking for a hands-on IT Systems Engineer to join our team and own the day-to-day operation and continuous improvement of our corporate IT stack. This is a generalist IC ...

Aalyria

IT Systems Engineer

Livermore, CA · On-site +1

IT Systems Engineer We're looking for a hands-on IT Systems Engineer to join our team and own the day-to-day operation and continuous improvement of our corporate IT stack. This is a generalist IC ...

Palomar Health

IT System Engineer I

Escondido, CA · On-site

$38.70 - $58.13/hr

Information Systems Union: Shift: 8-hour Shift - Day (United States of America) Hours Per Pay Period: 80 Pay range: $38.70 - $58.13 Under the direct supervision of the Manager, the Systems Engineer ...

Palomar Health

IT System Engineer I

Escondido, CA · On-site

$38.70 - $58.13/hr

Information Systems Union: Shift: 8-hour Shift - Day (United States of America) Hours Per Pay Period: 80 Pay range: $38.70 - $58.13 Under the direct supervision of the Manager, the Systems Engineer ...

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All JobsInformation Systems Engineer JobsInformation Systems Engineer Jobs in California

Information Systems Engineer information

See California salary details

$52.8K

$125.5K

$164.8K

How much do information systems engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for information systems engineer in California is $125,549.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,700.00 and $154,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Information Systems Engineer?

To thrive as an Information Systems Engineer, you need expertise in systems architecture, network management, and troubleshooting, usually supported by a degree in computer science or information technology. Familiarity with platforms like Windows/Linux servers, virtualization tools, and certifications such as CompTIA Network+, Microsoft Certified: Azure Administrator, or Cisco CCNA are often required. Strong problem-solving abilities, attention to detail, and effective communication help you collaborate with stakeholders and address complex technical challenges. These skills and qualities are vital to ensure reliable, secure, and efficient information system operations within an organization.

What are some common challenges Information Systems Engineers face when managing large-scale system integrations?

Information Systems Engineers often encounter challenges such as ensuring compatibility between legacy and new systems, maintaining data integrity during migrations, and minimizing downtime during integration. Coordinating with cross-functional teams, like network administrators and software developers, is crucial to address unexpected technical issues swiftly. Effective communication, thorough documentation, and robust testing are key strategies to overcome these challenges and deliver seamless integrations.

What is the difference between Information Systems Engineer vs Network Engineer?

AspectInformation Systems EngineerNetwork Engineer
CredentialsBachelor's in Computer Science, Information Technology, or related field; certifications like Cisco CCNA, CompTIA Network+Bachelor's in Computer Science, Networking, or related; certifications like Cisco CCNA, CompTIA Network+
Work EnvironmentDesigning, implementing, and managing IT systems across organizations; often involved in system integration and supportDesigning, installing, and maintaining network infrastructure; focused on network connectivity and security
Employer & Industry UsageUsed in various industries including corporate, government, and tech firms; roles in IT departmentsPrimarily in telecommunications, IT service providers, and large enterprises with complex networks

While both roles require similar certifications and work in IT environments, Information Systems Engineers focus on overall IT systems and infrastructure, whereas Network Engineers specialize in network design and maintenance. Understanding these differences helps in choosing the right career path or job search focus.

Is an information systems engineer a high paying job?

Information Systems Engineers typically earn above-average salaries compared to many other IT roles, especially with experience, certifications, and specialized skills in areas like network security or cloud computing. Salary levels vary by industry, location, and experience, but it is generally considered a well-compensated profession within the technology sector.

What does an information systems engineer do?

An information systems engineer designs, develops, and maintains computer systems and networks to meet organizational needs. They analyze system requirements, implement solutions, and ensure security and efficiency, often working with hardware, software, and cybersecurity tools. Certification such as CISSP or Cisco CCNA can enhance their expertise, and they typically work in office or data center environments with standard business hours.

What are popular job titles related to Information Systems Engineer jobs in California?

For Information Systems Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Information Systems Engineer jobs in California look for?

The top searched job categories for Information Systems Engineer jobs in California are:

Information Systems Engineer jobs near you
Infographic showing various Information Systems Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 22% Part Time, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $125,549 per year, or $60.4 per hour.

INFORMATION SYSTEMS SECURITY ENGINEER II

Koam Engineering Systems

San Diego, CA • On-site

$95K - $110K/yr

Full-time

Posted 16 days ago

Key responsibilities

  • Support cybersecurity engineering, compliance, vulnerability management, and RMF activities for systems and hardware.

  • Implement cybersecurity controls, conduct security assessments, and coordinate remediation actions.

  • Support vulnerability management, patch validation, and maintain cybersecurity documentation and artifacts.

Job description

Koam Engineering Systems, Inc. (KES Inc.) is an employee-owned small business specializing in technology innovation and systems integration by combining innovative products and reliable engineering services. Headquartered in San Diego, California and with offices in Gig Harbor, WA KES provides services globally in systems engineering amp; technical assistance, requirements analysis, software design amp; development, systems integration amp; testing, independent verification amp; validation, and operational amp; logistic support.
Position Summary
We are currently seeking an Information Systems Security Engineer II to support cybersecurity engineering, compliance, vulnerability management, and Risk Management Framework activities across Ballistic Missile Defense C4I software, hardware, and Program of Record systems within a Department of Defense test, integration, and evaluation environment. This position is responsible for implementing and maintaining cybersecurity controls, supporting system authorization activities, and ensuring cybersecurity requirements are integrated into systems, networks, and operational processes.
The role requires a hands-on cybersecurity professional with experience supporting secure DoD environments, vulnerability scanning, STIG implementation, patch validation, security tool administration, and RMF artifact management. The selected candidate will work closely with the Information Systems Security Officer, system administrators, network engineers, and technical teams to identify vulnerabilities, support remediation, maintain compliance documentation, and strengthen the overall cybersecurity posture of the environment.
Experience with ACAS, Nessus, SCAP, eMASS, Trellix, DISA STIGs, Windows, Linux, Hyper-V, and DoD Assessment amp; Authorization (A amp;A) processes is highly desired. The selected candidate must be able to assess cybersecurity risk, document technical findings clearly, coordinate remediation activities, and support mission objectives without creating unnecessary impact to system availability or operational readiness.
Responsibilities
  • Support cybersecurity engineering, compliance, vulnerability management, and RMF activities for Ballistic Missile Defense C4I software, hardware, and Program of Record systems.
  • Implement cybersecurity strategies, controls, and corrective actions in coordination with the Information Systems Security Officer, technical teams, and management.
  • Conduct security assessments, vulnerability reviews, and compliance checks to identify cybersecurity risks, system weaknesses, and required remediation actions.
  • Perform DISA STIG assessments for operating systems, applications, databases, network devices, and supporting infrastructure to maintain DoD compliance requirements.
  • Support vulnerability management using ACAS, Nessus, SCAP, and related tools, including scan preparation, scan execution, plugin updates, scan analysis, vulnerability tracking, and remediation coordination.
  • Analyze vulnerability findings, assess operational impact, prioritize corrective actions, and coordinate remediation with system administrators, network engineers, and other technical personnel.
  • Support patch management and security update activities by helping validate applicability, track implementation, confirm remediation, and document results.
  • Use eMASS and related RMF tools to maintain cybersecurity artifacts, document control implementation, track findings, support authorization activities, and provide evidence for compliance reviews.
  • Configure, monitor, and support cybersecurity tools, including Trellix products and other endpoint, vulnerability, or compliance management solutions used within the environment.
  • Support cybersecurity integration across Windows, Linux, Hyper-V, network, and application environments to ensure security controls are implemented without unnecessarily affecting system performance or mission operations.
  • Coordinate with cybersecurity, systems administration, network engineering, software, test, and leadership personnel to support compliance requirements, technical remediation, system readiness, and operational continuity.
  • Prepare and communicate cybersecurity status, risks, findings, remediation progress, and recommended actions to the ISSO, management, technical teams, and customers as required.
  • Produce and maintain cybersecurity documentation, including scan results, STIG checklists, vulnerability reports, mitigation statements, RMF artifacts, POA amp;M inputs, implementation evidence, and compliance records.
Required Knowledge, Skills, amp; Abilities
Education/Licensure/Credentials
Required:
  • Bachelor’s degree in related fields such as computer science, computer engineering, information systems, network engineering, systems engineering, software engineering or a closely related discipline
OR
  • Equivalent specialized knowledge customarily acquired through a combination of military training, formal technical instruction, certifications, and substantial progressively responsible practical experience performing work of comparable scope, complexity, and independent judgment
  • Security+ (DoD IAT Level II) or ability to meet requirements within three months of employment
  • This position requires an existing U.S. Government DoD granted security clearance/eligibility at the final Secret level. Individuals must be able to maintain the necessary security clearance/eligibility for continued employment.
  • U.S. Citizenship is required.
Preferred:
  • CompTIA Linux+ certification
  • CompTIA Network+ certification
  • Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or similar advanced security certifications
Experience
Required:
  • Minimum 5 years of progressively responsible experience supporting cybersecurity, information assurance, vulnerability management, RMF, systems administration, network administration, or secure technical operations within a DoD, enterprise, lab, test, or other complex technical environment.
  • Experience supporting cybersecurity compliance requirements within operational, laboratory, development, test, or integration environments, including STIGs, vulnerability remediation, RMF, ATO support, patching, scan response, or compliance documentation.
  • Experience using or supporting vulnerability and compliance tools such as ACAS, Nessus, SCAP, eMASS, Trellix, or similar cybersecurity tools.
  • Experience conducting STIG assessments, reviewing scan results, documenting findings, developing remediation actions, and supporting POA amp;M or authorization activities.
  • Experience coordinating cybersecurity remediation with system administrators, network engineers, software teams, test teams, or other technical personnel.
  • Experience supporting Windows, Linux, Hyper-V, network infrastructure, or application environments from a cybersecurity or compliance perspective.
  • Experience producing or maintaining cybersecurity documentation, including vulnerability reports, STIG checklists, scan results, RMF artifacts, mitigation statements, implementation evidence, or compliance records.
  • Ability to assess cybersecurity findings, identify operational impact, prioritize remediation actions, and communicate risks and recommendations clearly to technical and non-technical stakeholders.
  • Ability to work in a team-oriented, collaborative environment while maintaining sound judgment, documentation discipline, and attention to detail.
Preferred:
  • Experience supporting Ballistic Missile Defense, C4I, C5ISR, Navy Program of Record, DoD lab, test, integration, or fleet environments.
  • Experience with PowerShell, SQL, Hyper-V, Windows Server, Red Hat Enterprise Linux, and network management or monitoring tools such as Nagios, Wireshark, SolarWinds, or similar technologies.
  • Experience supporting classified and unclassified enclaves in Navy, NIWC Pacific, Missile Defense Agency, or other DoD environments.
  • Experience supporting continuous monitoring, vulnerability remediation, POA amp;M management, ATO sustainment, or cybersecurity readiness activities.
  • Experience working with system administrators, network engineers, software developers, test teams, and government customers to resolve cybersecurity findings without unnecessarily impacting mission operations.
Since 1995, KES continues to foster the entrepreneurial spirit of a growing small business that focuses on the needs of its customers and employees and serves to provide a rewarding and challenging career. KES offers a competitive salary and full range of benefits. KES, Inc. is an EEO/AA Employer committed to hiring and retaining a diverse workforce.

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