Cyber Systems Security Engineering Specialist (MBSE)
About The Position
MTSI Defense Services Division is seeking an experienced Cyber / Systems Security Engineering Specialist to support PMA-275 cyber engineering and platform/system security activities across V-22 program environments. The role combines hands-on technical administration and security operations with Systems Security Engineering (SSE) practices, supporting secure configurations, vulnerability management, compliance, and security documentation. It also requires limited Model-Based Systems Engineering (MBSE) experience, including the ability to interpret interfaces and architecture intent from program models (SysML) and technical baselines.
Requirements
- At least 2 years of experience in DoD/DoD-adjacent IT, system administration, and/or cybersecurity support.
- Active Secret clearance required.
- Strong Linux administration background, with RHEL preferred, and demonstrated STIG implementation experience.
- Experience with ACAS vulnerability scanning and remediation workflows.
- Working knowledge of enterprise networking fundamentals, including routing/switching, VLANs, and firewall policy concepts.
- Experience supporting virtualization (VMware ESXi/vSphere) and backup/recovery.
- Ability to interpret interfaces and architecture intent from program models (SysML) and technical baselines.
Nice To Haves
- Top Secret clearance.
- HBSS/ePO client product experience.
- Familiarity with GitLab administration or secure CI/CD support in segmented environments.
- Basic scripting/automation experience with Python, PowerShell, or Ansible.
- Exposure to SSE/RMF processes and artifact preparation in program environments.
- Experience supporting classified spaces and handling procedures.
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, including VLANs, trunking, and routing boundaries; support firewall policy implementation and 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, including plans, evidence, control implementations, scan outputs, and POA&M support.
- Read and interpret relevant architecture/interface products WBBB/RIBS-P to ensure security controls align with system boundaries and intended behavior.
Benefits
- A full range of medical, financial, and other benefits, dependent on the position offered.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
