We are seeking a Network Security Architect with expertise in Cisco Application Centric Infrastructure (ACI) for a full-time, remote position. This role requires availability to work Wednesday through Sunday or Thursday through Monday, including weekend and after-hours support on Eastern Time, to lead and execute critical network security policy changes and zero trust implementations during scheduled maintenance windows.
Responsibilities
Design, operate, and troubleshoot data center security with Cisco Application Centric Infrastructure, enforcing security policies across infrastructure
Perform readiness checks ahead of cutovers and policy enforcement windows, validating configurations, dependencies, and rollback plans
Lead or support live execution of zero trust policy changes and network cutovers during weekend maintenance windows
Perform application dependency mapping to inform cutover planning, policy design, and risk assessment
Diagnose and troubleshoot issues in real time during cutover events, executing rollback procedures when required to protect service availability
Perform post-change validation to confirm security policy enforcement and network functionality meet expected outcomes
Document readiness assessments, execution results, and post-event findings
Articulate Cisco ACI Zero Trust capabilities to technical and non-technical stakeholders
Record time spent on project tasks accurately and promptly in accordance with time-tracking requirements
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Qualifications
Required
Valid CCNP, CCIE, or equivalent certification (active)
Hands-on experience with data center security and Cisco Application Centric Infrastructure
In-depth knowledge of classic data center networking protocols and principles
Demonstrated understanding of Cisco ACI Zero Trust capabilities
Experience performing readiness assessments and executing network cutovers
Ability to diagnose and troubleshoot network issues in real time during critical maintenance events
Fluent English communication skills, written and verbal
Customer-facing consultative personality with ability to discuss technical status and risk to non-technical business stakeholders under time pressure
Preferred
Hands-on experience with Cisco Secure Workload
Automation experience including scripting, orchestration, or network automation tooling
Knowledge of emerging technologies and trends in network security
Experience with structured, disciplined configuration, deployment, and resolution methodologies
Leadership experience in technical environments
