Senior Cyber​/Systems Security Engineering Specialist; MBSE

Responsibilities

Sabre Systems is currently recruiting for a Senior Cyber / Systems Security Engineering Specialist (with MBSE) for support to the V-22 Joint Program Office (PMA-275) at Patuxent River Naval Air Station in Lexington Park, MD. The candidate will support PMA-275 cyber engineering and platform/system security activities across V-22 program environments. The role blends hands‑on technical administration/security operations with Systems Security Engineering (SSE) practices, supporting secure configurations, vulnerability management, compliance, and security documentation.

Plus, limited MBSE experience (ability to interpret interfaces and architecture intent from program models [SysML] and technical baselines).

• 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.

• Must 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.

• HBSS/ePO client product experience.
• Familiarity with Git Lab administration/secure CI/CD support in segmented environments.
• Basic scripting/automation (Python, Power Shell, Ansible).
• Exposure to SSE/RMF processes and artifact preparation in program environments.
• Experience supporting classified spaces and handling procedures.

Location is Pax River, MD area (on-site in secure spaces as required).

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At Sabre Systems, LLC, compensation is based on factors such as location, qualifications, experience, and contract‑specific requirements; however, final compensation will be determined by individual qualifications and applicable contract terms. The general salary range for this position is as follows: $ - $.

Sabre Systems, LLC, has been providing innovative technological solutions and services for Department of Defense, Federal Civilian, and commercial customers for more than 35 years. We support the ever‑evolving areas of advanced communication technologies, cyber, systems and software engineering, and digital transformation.

With over three decades in business, Sabre Systems, LLC remains committed to our small business values and a people‑first philosophy. We foster a welcoming, inclusive culture that values diverse…