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Information System Security Engineer Jobs in California

SAIC

Information System Security Engineer

San Diego, CA · On-site

$120K - $160K/yr

Description SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design, continuous ...

SAIC

Information System Security Engineer

San Diego, CA · On-site

$120K - $160K/yr

ORA_ON_SITE Description SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design ...

SAIC

Information System Security Engineer

San Diego, CA · Hybrid

$120K - $160K/yr

ORA_ON_SITE Description SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design ...

SAIC

Information System Security Officer

El Segundo, CA · On-site

$120K - $160K/yr

As our ISSO, you will assist the ISSM (Information Systems Security Manager) and provides oversight ... engineering, intelligence, and enterprise information technology markets. SAIC is Redefining ...

SAIC

Information System Security Officer

El Segundo, CA · On-site

$120K - $160K/yr

As our ISSO, you will assist the ISSM (Information Systems Security Manager) and provides oversight ... IT, enterprise IT, engineering services, and professional services. We integrate emerging ...

SAIC

Information System Security Officer

El Segundo, CA

$120K - $160K/yr

As our ISSO, you will assist the ISSM (Information Systems Security Manager) and provides oversight, guidance, and technical support, on IT and information system security issues affecting the ...

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 ...

acralending

IT System Security Engineer

Irvine, CA

$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 ...

Acra Lending

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 ...

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

Information System Security Engineer information

See California salary details

$10

$57

$85

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

As of Jul 27, 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 July 2026, with employment types broken down into 1% Locum Tenens, 92% Full Time, 4% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $120,046 per year, or $57.7 per hour.
Information System Security Engineer

Information System Security Engineer

Science Applications International Corporation

San Diego, CA • Hybrid

Other

Posted 3 days ago

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

77th of 230 rated it services

Job description

SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design, continuous monitoring, and compliance across multiple cloud brokers. This role oversees RMF lifecycle execution, ATO sustainment, and security engineering alignment for cloud based development and production environments-while partnering closely with engineering, operations, and mission stakeholders to maintain a resilient, auditready security posture.

In this role, you'll contribute to Naval Operational Architecture (NOA), working alongside engineers and operators to deliver resilient, forward-leaning solutions in support of national defense.

JOB DUTIES:

  • Lead RMF lifecycle execution for IL5/IL6 cloud systems, including control inheritance, evidence generation, and continuous monitoring.
  • Manage ATO packages, ensuring timely renewals, POA&M tracking, and alignment with DoD cybersecurity requirements.
  • Oversee cloud security posture across AWS GovCloud (primary) and Azure (future), ensuring compliance with DoD and organizational standards.
  • Coordinate with cloud brokers to validate boundary protections, shared responsibility models, and service configurations.
  • Provide ISSM oversight for engineering teams, including secure architecture reviews and changecontrol participation.
  • Support containerized architectures including EKS, Kubernetes, and microservices security controls.
  • Guide implementation of IaC security for Terraform/CloudFormationbased deployments.
  • Ensure compliance of Red Hat Linux systems, including STIG application and patch governance.
  • Advise on network security fundamentals including VPC design, routing, segmentation, and boundary defense.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

REQUIREMENTS:

  • Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related field.
  • IAT II certification required (e.g., Security+ CE).
  • 9 years of cybersecurity experience supporting DoD or federal systems.
  • Handson RMF and ATO experience for IL5/IL6 or similar classified environments.
  • Prior ISSE or ISSM experience supporting cloud or hybrid architectures.
  • AWS GovCloud experience with security services, boundary controls, and compliance frameworks.
  • Familiarity with Azure security (preferred, not required).
  • Proficiency with Linux security, especially Red Hat Enterprise Linux.
  • Experience with container security including EKS and Kubernetes.
  • Active SECRET clearance required with the ability to obtain a TS/SCI; TS/SCI strongly preferred.

DESIRED SKILL:

  • Master's degree in Cybersecurity, Computer Science, Information Systems, or related field.
  • CISSP or CySA+ certification.
  • IaC tooling experience (Terraform, CloudFormation) with secure automation pipelines.
  • Cloudnative security tooling such as GuardDuty, Inspector, Security Hub, or Azure Defender.
  • Network architecture understanding including crossdomain solutions and enclave segmentation.
  • Strong documentation skills for audits, assessments, and engineering artifacts.
  • Experience with SSO/IdP integrations (Azure AD, Okta, Ping).
  • Knowledge of container orchestration and secure CI/CD pipeline.

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