Subject Matter Expert, Network and Cloud Infrastructure Security

Description: • Leverage tools like Splunk, Palo Alto Prisma Access, CrowdStrike, F5, Gigamon, and Tenable One to enhance availability, scalability, and protection of systems supporting national objectives • Work with cybersecurity solutions including SIEM, IDS/IPS, web content filtering, malware protections, network forensics, DLP, firewall management, zero trust network architecture, FIM, disk encryptions, certificate and key management, secure remote access, micro-segmentation, and vulnerability scanning and prevention • Support integration of Splunk SOAR with SIEM, EDRs (e.g., CrowdStrike), and ticketing platforms (e.g., ServiceNow) • Deploy and administer Palo Alto Prisma Access and CASB-X to provide secure user access across hybrid and cloud environments • Configure and manage F5 ADCs to optimize network traffic, ensure uptime, and safeguard enterprise services • Integrate Gigamon visibility solutions for deep packet inspection, flow mapping, and toolchain optimization • Utilize Tenable One for vulnerability detection and prioritization of enterprise systems and cloud workloads • Support the transition of traditional workloads to SASE-enabled infrastructure • Collaborate with cross-functional teams to design and enforce system security controls aligned with NIST and FedRAMP frameworks • Troubleshoot and resolve system issues and provide escalation support for infrastructure-related incidents • Coach and mentor junior team members and convey technical and architectural information to customers and support towers Requirements: • Bachelor’s degree in Computer Engineering, Systems Engineering, or related field • 15+ years of experience that includes 10+ years supporting complex IT cybersecurity infrastructure with a focus on risk mitigation and compliance awareness • Proficiency in three (3) or more of: Splunk ES/Cloud; Palo Alto Prisma Access, Panorama, and GlobalProtect; CrowdStrike, ExtraHop, F5, Gigamon, Illumio, Tenable One, Venafi • Deep experience with secure remote access, cloud migration, load balancing, and traffic visibility platforms • Preferred Certifications: Splunk certifications, Palo Alto Networks PCNSE, F5 Certified Administrator, Tenable Certified, or equivalent • Clearance: None (selected candidate will be subject to a security investigation) • US Citizenship Required: No Benefits: • Full-flex work week to own your priorities • 401K with company match • Comprehensive health and wellness packages • Internal mobility team dedicated to your career growth • Professional growth opportunities including paid education and certifications • Cutting-edge tech you can learn from • Rest and recharge with paid vacation and holidays • Paid parental, military, bereavement and jury duty leave • GDIT Paid Family Leave program provides up to 160 hours of paid leave in a rolling 12 month period • Short and long-term disability benefits • Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance provided or available • 15 days of paid leave per calendar year (typical) and additional 10 paid holidays per year (prorated) Apply tot his job