Sabre Corporation · 2 weeks ago
Senior Cyber / Systems Security Engineering Specialist (with MBSE)
Sabre Systems Inc. is a company providing innovative technological solutions and services for the Department of Defense and other customers. They are seeking a Senior Cyber / Systems Security Engineering Specialist to support the V-22 Joint Program Office, focusing on cybersecurity compliance, vulnerability management, and system security engineering activities.
Business IntelligenceInformation TechnologySaaSTourismTravel
Responsibilities
Execute cybersecurity compliance and engineering activities across lab, integration, and operational support environments (RDT&E and/or program networks as assigned)
Perform vulnerability management activities including ACAS scanning coordination, patching support, remediation tracking, and security posture reporting
Apply DISA STIGs/SRGs for Windows, Linux, hypervisors, and network devices; support scripted evaluation where applicable
Support secure network segmentation concepts (VLANs, trunking, routing boundaries), firewall policy implementation/validation, and VPN administration (as directed)
Administer and maintain Linux-based systems and services (RHEL/CentOS/Ubuntu), including directory integration and authentication controls where required
Support virtualization platforms (VMware ESXi/vCenter) and backup/recovery practices; help ensure availability and configuration compliance
Contribute to SSE/RMF-relevant artifacts and periodic submissions (plans, evidence, control implementations, scan outputs, POA&M support)
Read/interpret relevant architecture/interface products White-Box/Black-Box (WBBB)/ Requirements, Interfaces, Behavior, Structure – Parametric (RIBS-P) to ensure security controls align with system boundaries and intended behavior
Qualification
Required
Must have a have a master's degree in a technical or scientific field from an accredited college or university or a bachelor's degree in a technical or scientific field from an accredited college or university and an additional four (4) years of recent and relevant experience
10+ years experience in DoD/DoD-adjacent IT, system administration, and/or cybersecurity support
Strong Linux administration background (RHEL preferred) and demonstrated STIG implementation experience
Experience with ACAS vulnerability scanning and remediation workflows
Working knowledge of enterprise networking fundamentals (routing/switching, VLANs, firewall policy concepts)
Experience supporting virtualization (VMware ESXi/vSphere) and backup/recovery
Must have an active DoD Secret Clearance; Top Secret strongly preferred
Must be a US Citizen
Preferred
HBSS/ePO client product experience
Familiarity with GitLab administration/secure CI/CD support in segmented environments
Basic scripting/automation (Python, PowerShell, Ansible)
Exposure to SSE/RMF processes and artifact preparation in program environments
Experience supporting classified spaces and handling procedures
Benefits
Comprehensive, evolving benefits designed to meet their diverse needs
Company
Sabre Corporation
Sabre is a software and technology company that powers the global travel industry.
Funding
Current Stage
Public CompanyTotal Funding
$5.84BKey Investors
Centerbridge Partners
2025-11-20Post Ipo Debt· $1B
2025-05-19Post Ipo Debt· $1.32B
2024-03-07Post Ipo Debt· $43.6M
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