Sr. Infrastructure Specialist
Core
Define, maintain, and support secure domain infrastructure operational policies, standards, and tools for efficient, resilient, and secure operations of applications and facilities.
Role type
Senior Infrastructure Specialist (Network & Security)
Builds
Enterprise network infrastructure, security controls, and operational procedures for critical SCADA systems and ASD supported applications.
Domain
Energy/Utilities (ASD/OSG) + Network Infrastructure & Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Cisco Nexus switching, Layer 1-4 troubleshooting, Dynamic routing (BGP, OSPF, EIGRP), Virtual Switching (vXRail), Spine-Leaf architecture, Network Security (NAC, Micro-segmentation), Scripting, Change management, Incident response, Regulatory compliance (NERC/CIP)
Preferred skills
SDN, Load balancing, SD-WAN, Network Security Automation, DevOps, UNIX/Linux/Microsoft OS familiarity
Technologies
Cisco Nexus, Cisco ISE, vPC, vxLAN, RADIUS, TACACS+, LDAP, VMware, Citrix
Responsibilities
Provide 24x7 on-call support and timely incident response; Design, plan, and implement infrastructure changes; Lead technical implementation and evaluation of hardware/software; Maintain regulatory compliance for SCADA systems; Provide mentoring to team members.
Seniority
Senior, hands-on IC with leadership responsibilities
