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Information System Security Engineer Jobs in California

acralending

IT System Security Engineer

Irvine, CA · On-site

$110K - $130K/yr

Summary We are seeking an experienced Systems Security Engineer with a strong background in enterprise security engineering and cloud security architecture. The ideal candidate will have hands-on ...

MANTECH

Cyber System Security Engineer

El Segundo, CA · On-site

$61 - $74.75/hr

You will deliver daily technical support across Collateral, Sensitive Compartmented Information ... Lead a team of System Security Engineers and Certification Analysts ensuring customer national and ...

acralending

IT System Security Engineer

Irvine, CA · On-site

$110K - $130K/yr

Summary We are seeking an experienced Systems Security Engineer with a strong background in enterprise security engineering and cloud security architecture. The ideal candidate will have hands-on ...

MANTECH

Cyber System Security Engineer

El Segundo, CA · On-site

$61 - $74.75/hr

You will deliver daily technical support across Collateral, Sensitive Compartmented Information ... Lead a team of System Security Engineers and Certification Analysts ensuring customer national and ...

ManTech

Cyber System Security Engineer

El Segundo, CA · On-site

$141K - $236K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career ... Lead a team of System Security Engineers and Certification Analysts ensuring customer national and ...

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All JobsInformation System Security Engineer JobsInformation System Security Engineer Jobs in California

Information System Security Engineer information

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How much do information system security engineer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for information system security engineer in California is $57.71, according to ZipRecruiter salary data. Most workers in this role earn between $47.93 and $66.68 per hour, depending on experience, location, and employer.

What does an information system security engineer do?

An Information System Security Engineer is responsible for designing, implementing, and maintaining secure information systems to protect an organization's data and technology assets. They assess security risks, develop security architectures, configure security tools, and ensure compliance with industry standards and regulations. Their work includes monitoring for security breaches, responding to incidents, and updating security protocols as threats evolve. They often collaborate with IT and management teams to ensure overall system security and resilience.

What is the difference between Information System Security Engineer vs Network Security Engineer?

AspectInformation System Security EngineerNetwork Security Engineer
CertificationsCompTIA Security+, CISSP, CEHCCNA Security, CISSP, CompTIA Security+
Work EnvironmentDesigning and implementing security measures for entire information systemsSecuring network infrastructure and traffic
Employer & Industry UsageIT security teams across various industries, focusing on system securityNetworking teams, ISPs, data centers, focusing on network security

While both roles focus on security, the Information System Security Engineer primarily safeguards entire information systems, including applications and data, whereas the Network Security Engineer concentrates on protecting network infrastructure and traffic. Understanding these distinctions helps in choosing the right career path or job focus within cybersecurity.

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

To thrive as an Information System Security Engineer, you need a solid understanding of cybersecurity principles, risk assessment, and network architecture, typically supported by a degree in computer science or information security. Familiarity with security tools such as firewalls, intrusion detection/prevention systems (IDS/IPS), vulnerability scanners, and certifications like CISSP or Security+ are commonly required. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart in this field. These competencies are crucial for identifying vulnerabilities, safeguarding sensitive data, and ensuring compliance with security standards in complex IT environments.

What are some common challenges information system security engineers face when working with cross-functional teams?

Information System Security Engineers often collaborate with developers, IT staff, and business stakeholders to ensure security requirements are integrated throughout system lifecycles. A common challenge is translating technical security controls into actionable items that align with business objectives and project timelines. Additionally, balancing security needs with usability and system performance can require negotiation and compromise. Effective communication and a proactive approach to fostering security awareness across teams are key to overcoming these challenges.

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

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

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

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

What cities in California are hiring for Information System Security Engineer jobs?

Cities in California with the most Information System Security Engineer job openings:

Information System Security Engineer jobs near you
Infographic showing various Information System Security 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 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $120,046 per year, or $57.7 per hour.

Information System Security Engineer (ISSE)

Govcio LLC

Lompoc, CA • On-site

$120K - $140K/yr

Full-time

Re-posted 24 days ago

GovCIO rating

7.5

Company rating: 7.5 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

109th of 224 rated it services

Job description

Overview:

GovCIO is currently hiring for an Information System Security Engineer (ISSE) to support the 2ROPS accreditation process for small classified mobile systems to renew the current Authority to Operate (ATO) and provide ongoing cybersecurity sustainment support. This position will be located at Vandenberg Space Force Base, California and will be an onsite position with some flexibility for remote work with 2ROPS leadership approval.

Responsibilities:

Designs and implements information assurance and security engineering systems with requirements of business continuity, operations security, cryptography, forensics, regulatory compliance, internal counterespionage (insider threat detection and mitigation), physical security analysis (including facilities analysis, and security management). Assesses and mitigates system security threats and risks throughout the program life cycle. Validates system security requirements definition and analysis. Establishes system security designs. Implements security designs in hardware, software, data, and procedures. Verifies security requirements; performs system certification and accreditation planning and testing and liaison activities. Supports secure systems operations and maintenance.

  • Participates with the client in the strategic design process to translate security and business requirements into technical designs.
  • Configures and validates secure systems and tests security products and systems to detect security weakness; performs network scanning and vulnerability analysis.
  • Ensures that the appropriate security features and safeguards have been implemented on all information systems as required by DoD/IC policy and directives, and industry best practices.
  • Performs defense device system installation, configuration maintenance, account maintenance, signature maintenance, patch management, and troubleshooting of all implemented, maintained, and deployed systems.
  • Provides security certification test and evaluation of assets, vulnerability management and response, security assessments, customer support and provides guidance on security issues.
Qualifications:

High School with 9+ years (or commensurate experience)

Clearance Required: Secret

Required Skills and Experience

  • 5 years of experience as security engineer for hardware and software
  • Linux (Red Hat/CentOS) system administration experience
  • Experience configuring Assured Compliance Assessment Solution (ACAS) and performing scans
  • Security+ Certification (or equivalent) required

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Posted Salary Range: USD $120,000.00 - USD $140,000.00 /Yr.

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