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 calls for limited MBSE experience, including the ability to interpret interfaces and architectural intent from program models (SysML) and technical baselines. The position supports cybersecurity compliance and engineering across laboratory, integration, and operational support environments, including RDT&E and/or program networks as assigned. It contributes to SSE/RMF-related artifacts and periodic submissions, and uses relevant architecture and interface products (WBBB/RIBS-P) to align security controls with system boundaries and intended behavior.
Requirements
- At least 10 years of experience in DoD/DoD-adjacent IT, system administration, and/or cybersecurity support.
- Active Secret clearance required.
- Strong Linux administration background; RHEL preferred.
- Demonstrated experience implementing STIGs.
- Experience with ACAS vulnerability scanning and remediation workflows.
- Working knowledge of enterprise networking fundamentals, including routing/switching, VLANs, and firewall policy concepts.
- Experience supporting VMware ESXi/vSphere virtualization and backup/recovery.
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 or 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).
- Coordinate ACAS scanning, support patching, track remediation, and report security posture.
- Apply DISA STIGs/SRGs for Windows, Linux, hypervisors, and network devices, including scripted evaluation where applicable.
- Support network segmentation concepts, including VLANs, trunking, and routing boundaries; implement and validate firewall policies; and administer VPNs as directed.
- Administer and maintain Linux-based systems and services, including directory integration and authentication controls where required.
- Support VMware ESXi/vCenter virtualization platforms and backup/recovery practices, helping ensure availability and configuration compliance.
- Contribute to SSE/RMF artifacts and periodic submissions, including plans, evidence, control implementations, scan outputs, and POA&M support.
- Read and interpret WBBB/RIBS-P architecture and interface products to align security controls with system boundaries and intended behavior.
Benefits
- Medical benefits.
- Financial benefits.
- Other benefits dependent on the position offered.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
