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Cyber Security Monitoring Jobs in California (NOW HIRING)

Description ​Leidos is seeking an experienced Cybersecurity Monitoring Engineer to support the Defense Manpower Data Center (DMDC) CyberPRIMES program . Leidos is a major partner on the contract ...

This role maintains cybersecurity monitoring operations, performs triage to assess the scope and impact of incidents, identifies vulnerabilities, and recommends remediation strategies. The role ...

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Cyber Security Monitoring information

See California salary details

$56.3K

$131.2K

$183.6K

How much do cyber security monitoring jobs pay per year?

As of Sep 6, 2026, the average yearly pay for cyber security monitoring in California is $131,221.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,500.00 and $148,000.00 per year, depending on experience, location, and employer.

What is cyber security monitoring?

A Cyber Security Monitoring job involves continuously tracking and analyzing an organization's networks, systems, and data to detect and respond to security threats. Professionals in this role use various tools and technologies to monitor for suspicious activities, investigate potential incidents, and help mitigate risks. They play a crucial role in protecting sensitive information and ensuring compliance with security policies. Effective monitoring helps prevent cyberattacks, minimizes damage from breaches, and strengthens an organization's overall security posture.

What are the typical daily responsibilities in cyber security monitoring?

Professionals in Cyber Security Monitoring spend their day analyzing security alerts, monitoring network traffic, and investigating suspicious activities using SIEM platforms and other security tools. They work closely with IT and security teams to escalate incidents, respond to threats, and participate in regular security reviews or audits. Depending on the organization's structure, the role may also include updating documentation, contributing to process improvements, and assisting with training initiatives. This position involves both routine monitoring tasks and rapid response to potential security incidents, making adaptability and collaboration crucial.

What are the key skills and qualifications needed for cyber security monitoring?

Strong analytical skills, attention to detail, and foundational knowledge of network and system security are essential, often supported by a degree in computer science or related certifications such as CompTIA Security+ or Certified SOC Analyst (CSA). Familiarity with security information and event management (SIEM) tools, intrusion detection/prevention systems (IDS/IPS), and incident response protocols is highly valued. Excellent problem-solving abilities, teamwork, and effective communication are important soft skills for this role. These competencies are critical for quickly identifying, evaluating, and responding to potential security threats in a fast-paced environment.

What are popular job titles related to Cyber Security Monitoring jobs in California?

For Cyber Security Monitoring jobs in California, the most frequently searched job titles are:

Infographic showing various Cyber Security Monitoring job openings in California as of August 2026, with employment types broken down into 84% Full Time, 14% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $131,221 per year, or $63.1 per hour.

Security Engineer Cybersecurity Monitor

Leidos

Seaside, CA • On-site

Full-time

Posted 3 days ago

New


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services


Job description

Leidos is seeking an experienced Cybersecurity Monitoring Engineer to support the Defense Manpower Data Center (DMDC)CyberPRIMESprogram. Leidos is a major partner on the contract and will provide a substantialportionof the cybersecurity workforce supporting the Defense Human Resources Activity (DHRA) and DMDC. The Cybersecurity Monitoring Engineer will support enterprise cybersecurity monitoring and oversight of the tools used to protect DHRA systems and networks. This position will assess the health, configuration, coverage, connectivity, and effectiveness of cybersecurity capabilities;identifygaps and failures; support technical troubleshooting; and provide recommendations that improve the organization's cybersecurity posture.

Work Locations:

  • Mark Center, Alexandria, Virginia

  • Department of Defense Center - Monterey Bay, Seaside, California

Clearance: Active Secret security clearance required at time of consideration. U.S. Citizen is a must.

Mission Environment

DMDC supports the Defense Human Resources Activity within the Office of the Under Secretary of Defense for Personnel and Readiness (OUSD(P&R)) and maintains the Department of Defense's largest and most comprehensive central repository of personnel, manpower, casualty, pay, entitlement, personnel security, identity, readiness, training, and related data. The DHRA Information Technology (IT) environment includes approximately 15,000 network and endpoint devices supporting more than 600 Government-Off-The-Shelf (GOTS) applications and approximately 100 Risk Management Framework (RMF) authorization boundaries managed through the Enterprise Mission Assurance Support Service (eMASS). Cybersecurity operations within this environment depend on coordinated monitoring and oversight across DMDC cybersecurity organizations, IT operations, system owners, and external Cybersecurity Service Providers (CSSPs). The Cybersecurity Monitoring Engineer will help ensure that Government-mandated cybersecurity capabilities are deployed, functioning, connected, reporting correctly, and providing the coverage necessary toidentifyand reduce enterprise cyber risk.

Primary Responsibilities:

  • Monitor DHRA cybersecurity posture using Government-mandated and Government-provided cybersecurity tools and capabilities.

  • Support Tier 3 and shared Tier 2 cybersecurity monitoring and troubleshooting responsibilities in coordination with Cybersecurity Service Providers.

  • Validate cybersecurity tool configuration, deployment, operability, connectivity, data rollups, updates, and overall compliance with applicable DHRA, Department of Defense, and National Institute of Standards and Technology (NIST) requirements.

  • Assess whether required cybersecurity capabilities are deployed andoperatingacross theappropriate DHRAsystems, networks, and assets.

  • Compare cybersecurity-tool coverage against authoritative asset inventories toidentifygaps, missing coverage, configuration issues, or systems that are not reporting as expected.

  • Identifyand report tool failures, outages, connectivity issues, data-quality problems, and other conditions that may reduce cybersecurity visibility or effectiveness.

  • Open, document, track, and coordinate technical tickets through resolution and support troubleshooting with system owners, IT operations, tool administrators, Cybersecurity Service Providers, and other technical organizations.

  • Support development and monitoring of corrective action and get-well plans foridentifiedcybersecurity tool or coverage deficiencies.

  • Validate corrective actions and document whetheridentifieddeficiencies have been successfully resolved.

  • Develop measurable and traceable cybersecurity monitoring metrics that provide Government leadership visibility into tool health, enterprise coverage, compliance, and unresolved issues.

  • Analyze recurring monitoring results toidentifytrends, systemic issues, and opportunities to improve cybersecurity capabilities.

  • Recommend cybersecurity tool enhancements, configuration improvements, or process changes based on monitoring results andidentifiedoperational gaps.

  • Document approved baseline changes andmaintaincybersecurity monitoring tactics, techniques, and procedures (TTPs).

  • Support security scanning, mitigation activities, compliance cross-checking, and cybersecurity-system troubleshooting.

  • Review technical work products and monitoring results for accuracy, completeness, and compliance with established cybersecurity standards and requirements.

Basic Qualifications:

  • Bachelor of Science degree in Computer Science, Cybersecurity, Information Technology, Engineering, or a related technical discipline with 4 or more years of relevant professional experience. Specific experience, education and training may be considered in lieu of degree.

  • Experience supporting cybersecurity monitoring, security engineering, cybersecurity operations, or enterprise security-tool environments.

  • Experience evaluating the configuration, connectivity, availability, coverage, or operational status of cybersecurity tools and capabilities.

  • Experienceidentifyingtechnical issues and working across multiple organizations to troubleshoot and resolve cybersecurity-tool or infrastructure problems.

  • Experience reviewing cybersecurity findings, system status, or technical data toidentifydeficiencies and recommend corrective actions.

  • Working knowledge of Department of Defense cybersecurity requirements, NIST security guidance, or comparable Federal cybersecurity standards.

  • Ability to develop andmaintaintechnical procedures, monitoring documentation, metrics, and status reporting.

  • Ability to communicate technical issues clearly to Government, engineering, cybersecurity, and IT operations stakeholders.

  • U.S. Citizenshiprequired.

  • Active Secret security clearancerequired.

Preferred Qualifications:

  • Experience supporting Department of Defense enterprise cybersecurity monitoring or cybersecurity operations.

  • Experience working with Cybersecurity Service Providers or comparable enterprise security operations organizations.

  • Experience supporting security scanning, vulnerability management, endpoint security, network-security monitoring, or other enterprise cybersecurity capabilities.

  • Experiencevalidatingcybersecurity-tool coverage against enterprise asset inventories.

  • Experience developing corrective action or get-well plans and tracking technical deficiencies through closure.

  • Experience developing cybersecurity monitoring metrics, dashboards, or recurring operational status reports.

  • Experience troubleshooting integration, connectivity, configuration, data-rollup, or reporting issues between cybersecurity tools and enterprise systems.

  • Familiarity with Risk Management Framework requirements and the relationship between cybersecurity monitoring, continuous monitoring, and system authorization.

  • Familiarity with DHRA, DMDC, or comparable Department of Defense enterprise environments.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:September 2, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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