Network Security Specialist Senior (SWG)

Job Description This position is not eligible for visa sponsorship, now or in the future. Candidates must be a US Citizen or Green Card Holder This position is hybrid 3 days per week in either our Cincinnati, OH(preferred)or Atlanta, GA office Are you ready to write your next chapter? Make your mark at one of the biggest names in payments.We'relooking for aNetwork Security EngineerSeniorSpecialistto join ourever-evolvingEdge&NetworkSecurityteam and help us unleash the potential of every business. This roleis responsible forstrengthening, modernizing, and evolving our secure access and network security platforms across a global enterprise environment, while leading the organization's Zero Trust transformation journey. This is a hands-on technical leadership role focused primarily on Secure Web Gateway (SWG), Proxy, SASE, Secure Access, and Zero Trust architectures, with responsibility for driving strategy, architecture, adoption, and continuous improvement across related network security capabilities, including IPS/IDS and firewall-adjacent controls. Our core platforms include Zscaler (ZIA / ZPA) and Palo Alto Networks technologies, including Panorama, on-prem NGFW, cloud NGFW, Threat Prevention, and Prisma Access. **On-Call Expectations:**Participatein a rotating on-call schedule for incidents.Act as a senior escalation point formajor issuesaffecting secure access, proxy, SASE, or related network security services.Contribute to post-incident analysis and ensure durable corrective actions are implemented.Participate in readiness activities, operational reviews, and resilience improvements for critical control-plane services. On-Call Schedule: Weekdays:10am-10pm ET(rotates between4 colleagues)Weekends:10pmFriday- 10pmSundayET( rotatesbetween7colleagues Whatyou'llown: - Lead the organization's Secure Access and Zero Trust transformation journey, providing technical leadership and strategic direction for SASE, SWG, Proxy, Secure Access, and related network security services. - Own the architecture, engineering, and continuous improvement of Zscaler (ZIA/ZPA), Palo Alto (Panorama, NGFW, Threat Prevention, Prisma Access), and associated security platforms across a global enterprise environment. - Design, implement, andoptimizescalable security controls and policies for internet access, private application access, SSL inspection, traffic steering, threat prevention, and Zero Trust access models. - Drive operational excellence and platform reliability through standardization, tuning, automation, telemetry improvements, SIEM integration, and data-driven performance metrics. - Lead high-quality change management and major initiatives, including rollout planning, validation, risk mitigation, rollback readiness, and post-implementation reviews. - Serve as the senior technical authority and final escalation point for complex issues, high-risk changes, major incidents, and cross-functional initiativesimpactingcritical security services. - Mentor engineers and partner with security, infrastructure, operations, application teams, and vendors toestablishbest practices, improve operational maturity, and deliver secure, resilient, and scalable services. Whatyou'llbring Bachelor's degree in a related field and 12+ years of experience, or equivalent practical experience, with extensive experience in network security and security engineering within large-scale enterprise environments. Deep hands-onexpertisewith Zscaler technologies and Secure Access architectures, including ZIA, ZPA, SWG, Proxy, SASE, SSL Inspection, Traffic Steering, and Zero Trust deployments at enterprise scale.