Dell Technologies · 9 hours ago
Senior Information Systems Security Officer (ISSO)
California, United States
Full-time
Onsite
Senior Level
$141K/yr - $183K/yr
5+ years expDell Technologies is a unique family of businesses that helps individuals and organizations transform how they work, live and play. As a Senior Information Systems Security Officer (ISSO), you will maintain the cybersecurity posture of systems used in Test and Evaluation activities, providing technical support and leadership for consulting technical solutions opportunities.
Data ManagementInformation and Communications Technology (ICT)Information ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Understand the customer’s strategic, organizational and business challenges and offer solutions as they relate to the future business environment and operational objectives
Support to RMF and System Accreditation
Assist the ISSM in preparing and maintaining RMF artifacts, including:
System Security Plans (SSPs)
Security Control Implementation Plans (SCIPs)
Plan of Action & Milestones (POA&Ms)
Track and document compliance status for test systems
Support continuous monitoring and ATO sustainment for test environments
System Security Implementation
Ensure that systems used in T&E are:
Configured securely (e.g., via DISA STIGs, security baselines)
Maintained in an approved configuration
Patched and updated to mitigate vulnerabilities
Validate that security controls are implemented as designed
Vulnerability Management
Run and analyze vulnerability scans (e.g., ACAS, Nessus) on test systems
Coordinate remediation or mitigation of findings
Document results and provide updates to the ISSM for reporting
User Account Management
Process and manage user account requests and access control procedures
Ensure that all users have the appropriate level of access and clearances
Monitor for unauthorized attempts or account misuse
System and Test Event Support
Support security setup and validation of test systems prior to execution
Monitor systems during T&E for security compliance and incident response
Coordinate with GSSO, ISSM, and test teams to enforce secure operations
Security Awareness and Training
Ensure T&E participants complete the required cybersecurity training
Provide briefings and reminders about policies for data protection and system usage
Reinforce secure handling of classified/sensitive information during test events
Audit and Logging Oversight
Monitor and review audit logs for signs of suspicious or unauthorized activity
Support audit trail maintenance and logging system configuration
Document and report any security anomalies or deviations
Incident Reporting and Response
Act as the first responder to cybersecurity incidents in the test environment
Document, report, and escalate incidents per JPO and DoD guidelines
Support containment, investigation, and recovery of affected systems
Coordination with Stakeholders
Interface with ISSMs, system administrators, GSSOs, and test directors
Communicate system security status and user responsibilities to the test team
Support coordination with external cybersecurity entities when required (e.g., AO, SAPCO, DISA)
Documentation and Records Maintenance
Maintain up-to-date documentation on:
Security configurations
Patch status
Access logs
Training records
Ensure all cybersecurity documentation related to T&E is available for audits or inspections
Share your experience and support less experienced co-workers through formal training or on-the-job mentoring
Work independently, with work being reviewed at critical points
Qualification
Required
US Citizen
Possess active Top Secret Department of Defense (DoD) clearance
Possess CompTIA Security+ certification
Preferred
Typically requires 5+ years of related experience in a professional role with a Bachelor's degree
Strong trouble-shooting skills and adept verbal and written skills and demonstrated ability to document processes for the customer
Benefits
Your life. Your health. Supported by your benefits. You can explore the overall benefits experience that awaits you as a Dell Technologies team member — right now at MyWellatDell.com.
Company
Dell Technologies
Dell Technologies provides essential infrastructure for organizations to build their digital future.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$4.5B2025-09-27Post Ipo Debt· $4.5B
2018-12-28IPO
Leadership Team
Todd Edmunds
Global CTO Smart Manufacturing, Edge Compute and Digital Twin
Jillian Mansolf
Senior Vice President Global Sales Strategy & Transformation
Recent News
2026-01-23
2026-01-23
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