Senior Cybersecurity Engineer

A professional services organization in Carrollton, Texas is seeking a Senior Cybersecurity Engineer to support the delivery of secure command-and-control systems for critical infrastructure environments., * Provide hands-on cybersecurity and systems engineering support for command-and-control solutions within nuclear and critical infrastructure environments.

• Design, configure, and support Cisco network environments, including Catalyst 9300 switches, field and access switches, VLANs, ports, segmentation, and network traffic.
• Configure and maintain Cisco and Palo Alto firewalls and other network security technologies.
• Support virtualized environments, including the transition from VMware to Hyper-V.
• Engineer and maintain Windows Server and workstation environments, Active Directory, and Group Policy.
• Perform vulnerability analysis, patching, cybersecurity hardening, and secure system configuration.
• Support SIEM and security-monitoring activities using Splunk.
• Apply V-Model systems engineering principles across requirements, design, implementation, integration, testing, and deployment.
• Own projects from requirements and architecture through build, testing, and deployment.
• Work directly with customers to understand technical requirements and deliver secure solutions.
• Travel occasionally to nuclear and customer sites across North America, with expenses covered.

• 5+ years of Cybersecurity, Network Engineering, Systems Engineering, or related experience
• Strong experience with Cisco networking, including Catalyst 9300 switches, VLANs, ports, segmentation, and network traffic
• Hands-on experience with Cisco and Palo Alto firewalls
• Experience supporting VMware and/or Hyper-V virtualized environments
• Strong Windows systems engineering experience, including Windows Server, workstations, Active Directory, and Group Policy
• Experience with vulnerability analysis, patching, system hardening, and secure configuration
• Knowledge of systems engineering methodologies, including the V-Model and requirements-driven design, integration, and testing
• Must be authorized to work in the United States

Desired Skills:

• Experience with Splunk or another enterprise SIEM and security-monitoring platform
• Experience supporting cybersecurity solutions in nuclear, critical infrastructure, industrial, or similarly regulated environments
• Experience migrating virtualized environments from VMware to Hyper-V
• Ability to independently lead projects from requirements and architecture through implementation, testing, and deployment