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Information System Security Jobs in California (NOW HIRING)

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 ...

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 ...

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 ...

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 ...

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 ...

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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Information System Security information

See California salary details

$45.4K

$116.8K

$182.1K

How much do information system security jobs pay per year?

As of Aug 7, 2026, the average yearly pay for information system security in California is $116,777.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,800.00 and $136,200.00 per year, depending on experience, location, and employer.

What does an information system security job do?

An information system security job involves protecting computer systems, networks, and data from cyber threats and unauthorized access. Professionals in this field implement security measures, monitor for vulnerabilities, and often hold certifications like CISSP or CompTIA Security+ to ensure organizational cybersecurity. They work in environments such as IT departments, government agencies, or private companies to maintain data integrity and confidentiality.

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

AspectInformation System SecurityNetwork Security
FocusProtecting entire information systems, including hardware, software, data, and processesSecuring network infrastructure, data in transit, and network devices
CredentialsCertifications like CISSP, CISA, Security+Certifications like CCNA Security, CompTIA Security+
Work EnvironmentIT departments, cybersecurity teams, enterprise environmentsNetwork operations centers, cybersecurity teams, enterprise networks
UsageBroad security policies, risk management, system auditsFirewall configuration, intrusion detection, network monitoring

While both roles aim to protect organizational assets, Information System Security encompasses a broader scope, including hardware, software, and data, whereas Network Security specifically targets network infrastructure and data in transit. Understanding these differences helps organizations assign appropriate security responsibilities and professionals.

What are some common challenges faced by professionals in information system security roles, and how can they be addressed?

Professionals in Information System Security often encounter challenges such as staying current with rapidly evolving threats, managing complex compliance requirements, and balancing security protocols with user convenience. Addressing these challenges involves continuous learning through certifications and training, implementing robust monitoring tools, and fostering strong communication with other departments to ensure security measures support business objectives. Collaboration with IT, legal, and management teams is essential for proactive risk management and creating a security-aware culture within the organization.

What is information system security?

Information System Security, also referred to as InfoSec, involves protecting digital information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction. Professionals in this field develop and enforce policies, implement security measures, and monitor network activity to safeguard sensitive data. They work to prevent cyberattacks, detect vulnerabilities, and ensure compliance with security standards and regulations. The role is essential in maintaining the confidentiality, integrity, and availability of organizational information and technology resources.

What are the key skills and qualifications needed to thrive as an information system security professional?

To thrive as an Information System Security professional, you need a deep understanding of cybersecurity principles, risk assessment, and network security, often supported by a degree in computer science or related fields. Familiarity with security tools such as firewalls, intrusion detection systems, and certifications like CISSP or CompTIA Security+ are typically required. Strong analytical thinking, attention to detail, and effective communication skills help professionals anticipate threats and explain complex issues to non-technical stakeholders. These skills and qualities are crucial to proactively protecting organizational assets and ensuring compliance with security standards.
What are popular job titles related to Information System Security jobs in California? For Information System Security jobs in California, the most frequently searched job titles are:
What job categories do people searching Information System Security jobs in California look for? The top searched job categories for Information System Security jobs in California are:
What cities in California are hiring for Information System Security jobs? Cities in California with the most Information System Security job openings:
Infographic showing various Information System Security job openings in California as of August 2026, with employment types broken down into 1% As Needed, 66% Full Time, 29% Part Time, 2% Temporary, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $116,777 per year, or $56.1 per hour.

Information System Security Officer

Booz Allen Hamilton

El Segundo, CA • On-site

$62K - $141K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 6 days ago


Booz Allen Hamilton rating

8.9

Company rating: 8.9 out of 10

Based on 49 frontline employees who took The Breakroom Quiz

9th of 72 rated business consultants


Job description

Information System Security Officer

The Opportunity:

An ISSO is an individual responsible for ensuring the appropriate operational security posture is maintained for all systems assigned. Assist the ISSM in meeting their duties and responsibilities.

What You'll Work On:

  • Ensuring systems are operated, maintained, and disposed of in accordance with security policies and procedures as outlined in the security plan.

  • Verifying the implementation of delegated aspects of the system security program.

  • Ensuring all proper account management documentation is completed prior to adding and deleting system accounts.

  • Verifying all system security documentation is current and accessible to properly authorized individuals.

  • Conducting periodic assessments of authorized systems and providing the ISSM with corrective actions for all identified findings and vulnerabilities.

  • Ensuring audit records are collected and analyzed in accordance with the security plan.

  • Reporting all security-related incidents to the ISSM.

  • Monitoring system recovery processes to ensure security features and procedures are properly restored and functioning correctly.

  • Formally notifying the ISSM of any changes to a system that could affect authorization.

  • Serving as a member of the Configuration Control Board (CCB), if designated by the ISSM.

Join us. The world can't wait.

You Have:

  • Experience supporting collateral and special access program (SAP) environments and managing and safeguarding information systems in classified environments

  • Experience conducting security assessments, auditing, continuous monitoring, and implementing and maintaining RMF-based security controls

  • Knowledge of incident response processes and reporting requirements

  • Knowledge of information system hardening, secure configuration baselines, patch management, and security tools such as ACAS, HBSS, ESS, or SPLUNK

  • Knowledge of government security policies such as DoD 5200.01, ICDs, and CNSSI 1253 and NIST SP 800-53, DoD RMF, JSIG, and DAAG standards

  • Ability to apply security policies and procedures to ensure database and software security and analyze moderately complex security issues and develop practical solutions

  • TS/SCI clearance

  • Bachelor's degree and 4+ years of experience with Information System Security or Master's degree and 2+ years of experience with Information System Security

  • DoD 8140 baseline Certification such as Security+ CE Certification

Nice If You Have:

  • Experience reviewing and updating system security documentation such as SSPs, SCTMs, or POA&Ms

  • Ability to communicate effectively with technical and nontechnical stakeholders, work independently with moderate guidance, and assist junior personnel in understanding security requirements

  • Possession of sufficient technical competence commensurate with the complexity of the systems

  • CISSP or CAP Certification

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $62,000.00 to $141,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

  • Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

  • Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

  • Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.


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About Booz Allen Hamilton

Sourced by ZipRecruiter

Booz Allen Hamilton is a leading provider of management and technology consulting services to the US government in defense, intelligence, and civil markets. Headquartered in McLean, Virginia, the firm also serves major corporations, institutions, and not-for-profit organizations. Founded in 1914 by Edwin G. Booz, the company has a long-standing tradition of helping clients achieve success by delivering a wide range of consulting services that include strategic planning, human capital and learning, communication, systems development, and others. The company's mission is to empower people to change the world, and it has a reputation for maintaining the highest standards of integrity and-excellence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

McLean, VA, US

Year founded

1914