ISSM jobs in El Segundo, CA

Information System Security Manager (ISSM)

Remote or Ventura, California

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Today

Overview The Information System Security Manager (ISSM) serves as the primary cybersecurity authority and liaison for contractor-designed, built, and supported networks and systems operating within Army and Navy program environments. Working on-site alongside Government Organization ISSMs, Authorizing Official Designated Representatives (AODRs), and Authorizing Officials (AOs), this role is directly responsible for leading systems through the complete Risk Management Framework (RMF) lifecycle-f

Full-time

USD 160,000.00 - 190,000.00 per year

Information Systems Security Manager (ISSM)

Remote

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Today

About Aalyria: Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the aerospace industry. With technology acquired from Google, Aalyria is at the forefront of innovation in satellite and airborne mesh networks, as well as cislunar and deep-space communications. We are revolutionizing the orchestration and management of planetary mesh networks using any radio or optical spectrum, any orbit, and any har

Full-time

USD 165,000.00 - 190,000.00 per year

Information System Security Officer (ISSO)

Torrance, California

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Today

About the job Information System Security Officer (ISSO) About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Information System Security O

Full-time

Senior Cybersecurity Engineer

Torrance, California

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Today

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense comp

Full-time

USD 157,371.00 - 204,582.00 per year

Staff Cybersecurity Engineer

Torrance, California

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Today

Full-time

USD 157,371.00 - 204,582.00 per year

Cybersecurity Architect, (TS/SCI), CI Poly

Los Angeles, California

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Today

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others - with an additional $500M in signed contracts across commercial and US government customers - we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep

Full-time

USD 170,000.00 - 230,000.00 per year

Enterprise Application Architect

El Segundo, California

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Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 160,000.00 - 220,000.00 per year

Network Data Loss Prevention (DLP) Administrator

El Segundo, California

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Today

Full-time

USD 120,000.00 - 180,000.00 per year

Senior Business Application Architect

El Segundo, California

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Today

Full-time

USD 110,000.00 - 190,000.00 per year

DevSecOps Engineer

El Segundo, California

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Today

Full-time

USD 110,000.00 - 160,000.00 per year

Senior Cloud Solutions Architect

El Segundo, California

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Today

Full-time

USD 180,000.00 - 220,000.00 per year

Staff Cloud Solutions Architect

El Segundo, California

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Today

Full-time

USD 180,000.00 - 220,000.00 per year

Cloud Solutions Architect

El Segundo, California

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Today

Full-time

USD 180,000.00 - 220,000.00 per year

Enterprise Cloud Architect

El Segundo, California

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Today

Full-time

USD 180,000.00 - 220,000.00 per year

Information Systems Security Officer

Los Angeles, California

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Today

Overview VTG seeks to hire an Information Systems Security Officer (ISSO) in Los Angeles, CA to monitor and maintain systems security on operational systems such as malicious code eradication, configuration management, assessment and authorization of current and future systems, as well as to review and revise systems security documentation on proposed systems. ISSOs shall know how to implement common information system security practices, policies, and technologies. Additionally, ISSOs demonstr

Full-time

USD 110,000.00 - 125,000.00 per year

Senior ServiceNow CSM - Now Assist Engineer

Remote

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Today

Job ID: 2615318 Location: Remote Work, VA, US Date Posted: 2026-08-05 Category: Information Technology Subcategory: Platform Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description Responsibilities: Customer Service Management (CSM) Configure, maintain, and support ServiceNow Customer Service Management (CSM) capabilities, including:Case ManagementServ

Full-time

USD 120,001.00 - 160,000.00 per year

ServiceNow CSM - Now Assist Engineer

Remote

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Today

Job ID: 2614752 Location: Remote Work, VA, US Date Posted: 2026-08-03 Category: Information Technology Subcategory: Platform Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description Responsibilities: Customer Service Management (CSM) Configure, maintain, and support ServiceNow Customer Service Management (CSM) capabilities, including:Case ManagementServ

Full-time

USD 120,001.00 - 160,000.00 per year

Information Systems Security Officer (ISSO) - Senior

Remote

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Today

We are seeking a highly skilled and experienced Information Systems Security Officer (ISSO) - Senior to join our team. In this critical role, you will be responsible for executing the full RMF lifecycle across all information systems and applications, leading security assessment activities with the goal of maintaining a 100% Authority to Operate (ATO) status. As a senior leader, you will ensure the rigorous application of cybersecurity policies, manage system remediation efforts, design critical

Full-time

USD 110,000.00 - 125,000.00 per year

Senior Software Engineer - UDS Registry Team (RD119)

Remote

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Today

Defense Unicorns seeks a Senior Software Engineer to join our UDS Registry team. You'll collaborate closely with product managers, designers, and end users to ensure we're building the right solutions-and building them well. The team builds and operates UDS Registry to reliably manage and deploy UDS packages to any mission environment, serving the ISSM persona. In addition, we own the development and maintenance of Pepr and Lula, ensuring our tools continue to meet real-world mission needs. The

Full-time

USD 148,750.00 - 201,250.00 per year

Information Systems Security Officer (ISSO) - Subject Matter Expert (SME)

Remote

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Today

We are seeking a highly skilled and experienced Information Systems Security Officer (ISSO) Subject Matter Expert (SME) to join our team. In this critical role, you will be ultimately responsible for the day-to-day cyber operations of assigned systems, ensuring strict adherence to the Risk Management Framework (RMF) and industry standards. As a trusted advisor, you will collaborate closely with executive leadership-including the Authorizing Official (AO), System Owners, and the Chief Information

Full-time

USD 132,000.00 - 150,000.00 per year

ISSM jobs in El Segundo, CA, USA