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Information System Security Engineer Jobs in California

SpaceX

Information System Security Officer

Hawthorne, CA · On-site

$105K - $135K/yr

INFORMATION SYSTEM SECURITY OFFICER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major ...

SpaceX

Information System Security Manager

Hawthorne, CA · On-site

$105K - $135K/yr

INFORMATION SYSTEM SECURITY MANAGER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major ...

SpaceX

Information System Security Manager

Hawthorne, CA · On-site

$105K - $135K/yr

INFORMATION SYSTEM SECURITY MANAGER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major ...

SpaceX

Information System Security Manager

Hawthorne, CA · On-site

$105K - $135K/yr

INFORMATION SYSTEM SECURITY MANAGER SpaceX is seeking a classified cyber assurance practitioner to drive the SpaceX classified cyber assurance program forward. The program focuses on three major ...

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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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$10

$57

$85

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 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 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 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, 79% Full Time, 18% Part Time, 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.

Senior Cybersecurity Engineer

Aerospace Corporation

El Segundo, CA • On-site

Other

Medical, Retirement, PTO

Posted 3 days ago

New

Job description

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space.
The Aerospace Corporation is looking for Senior Cybersecurity Engineers, who enjoy security work and possesses both deep and broad expertise in the cybersecurity space. The successful candidate will lead teams of cybersecurity professionals to solve the hard problems encountered in developing, acquiring, deploying, operating, and maintaining trusted systems.
The candidate will make things more secure by working with customers throughout the system development life cycle to develop policies, requirements, prototypes, demonstrations, architectures and solutions that protect systems, keep computer systems and network devices hardened against attacks and securing highly sensitive data. Qualified candidates will have a background in security or systems engineering.
This is a fulltime position based in El Segundo, Ca which requires 100% onsite work.
Responsibilities
  • Engineer, implement and monitor security measures for the protection of computer systems, networks and information Provide the Government with systems security engineering and cybersecurity expertise.

  • Identify and recommend strategies for mitigation and/or removal of ground and space cybersecurity vulnerabilities

  • Provide cybersecurity expertise in support of critical decision points and provide ground truth assessments of security events/activities and posture.

  • Identify and define system security requirements

  • Design computer security architecture and develop detailed cybersecurity designs

  • Prepare and document standard operating procedures and protocols

  • Participate in risk management activities to ensure cybersecurity risks are evaluated and effective mitigations applied in accordance with security directives.

  • Review of cybersecurity test procedures for requirements satisfaction, including participation in Test Readiness Review activities and witnessing of test events.

  • Participate in Defensive Cyberspace Operations (DCO) planning and implementation

  • Configure and troubleshoot security infrastructure devices

  • Develop technical solutions and new security tools to help mitigate security vulnerabilities and automate repeatable tasks

  • Write comprehensive reports including assessment-based findings, outcomes and propositions for further system security enhancement

What You Need to be Successful
  • BS degree in Computer Science, Systems Engineering, Cybersecurity, or related STEM technical field

  • At least 10 years of system security or information security engineering
  • Demonstrated experience in one or more the following:
  • Proven work experience as a system security engineer or information security engineer
  • Demonstrated capability in mission definition, functional decomposition, requirements allocation, system design, and system lifecycle experience.
  • Experience defining and analyzing threat/vulnerability likelihood, coupled with mission impact, to determine risk.
  • Experiencing executing projects, which includes managing requirements, schedule, and budget.

  • Hands on experience in security systems, including firewalls, intrusion detection systems, anti-virus software, authentication systems, log management, content filtering, etc

  • Experience with network security and networking technologies and with system, security, and network monitoring tools

  • Thorough understanding of the latest security principles, techniques, and protocols

  • Familiarity with web related technologies (Web applications, Web Services, Service Oriented Architectures) and of network/web related protocols

  • Demonstrated ability to analyze complex problems and deliver effective solutions in in high pressure environments Problem solving skills and ability to work under pressure

  • This position requires the ability to obtain and maintain a security clearance issued by the US government. ship is required to obtain a security clearance.

How You Can Stand Out
  • Advanced degree in Systems Engineering, Software Engineering, Cybersecurity, or other technical or engineering discipline

  • Certifications in one or more of the following:

  • (ISC) - Certification Certified Information System Security Professional (CISSP) - Information System Security Architecture Professional (ISSAP)

  • ISC - Certification CISSP - Information System Security Engineering Professional (ISSEP)

  • Project Management Institute - Project Management Professional

We offer a competitive compensation package where you'll be rewarded based on your performance and recognized for the value you bring to our business. The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education, experience, knowledge and skills.
(Min - Max)
$166,400.00 - $249,600.00
Pay Basis: Annual
Leadership Competencies
Our leadership philosophy is simple: every employee, regardless of level and role, can demonstrate leadership. At Aerospace, our commitment is our people. To cultivate our talent and ensure that we have a strong pipeline of future leaders, we want individuals who:
  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees
During your interview process, our team will provide details of our industry-leading benefits.
Benefits vary and are applicable based on Job Type. A few highlights include:
  • Comprehensive health care and wellness plans
  • Paid holidays, sick time, and vacation
  • Standard and alternate work schedules, including telework options
  • 401(k) Plan - Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire
  • Flexible spending accounts
  • Variable pay program for exceptional contributions
  • Relocation assistance
  • Professional growth and development programs to help advance your career
  • Education assistance programs
  • An inclusive work environment built on teamwork, flexibility, and respect

We are all unique, from various backgrounds and all walks of life, yet one thing bonds all of us to each other-the belief that we can make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.
Equal Opportunity Commitment
The Aerospace Corporation is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, age, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender, gender identity or expression, color, religion, genetic information, marital status, ancestry, national origin, protected veteran status, physical disability, medical condition, mental disability, or disability status and any other characteristic protected by state or federal law. If you're an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process, please contact us by phone at or by email at . You can also review Know Your Rights: Workplace Discrimination is Illegal.

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