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Senior Infrastructure Role

United States, McLean · Job Posted April 12, 2026
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Job Description

Data Center Modernization – Cisco ACI Migration Lead the design, architecture, and full implementation of the new Cisco ACI fabric, facilitating the enterprise-wide migration from legacy NX-OS systems. Direct and execute the strategy for transitioning from NX-OS to Cisco ACI, including tenant setup, EPG development, policy creation, and fabric discovery. Configure and manage the Cisco Nexus Dashboard to achieve centralized visibility, operations management, and policy orchestration across the data center network. Supervise the SAN environment, ensuring optimal storage connectivity, zoning, and fabric health during and after the ACI migration. Create and maintain comprehensive migration runbooks, cutover roadmaps, and rollback procedures to guarantee operational continuity for mission-critical workloads. Work closely with cloud architects and application teams to enable effective integration between the upgraded data center fabric and AWS cloud platforms. Wireless Network Modernization – Wireless Refresh Support and help lead the enterprise Wireless Refresh project from initial design through deployment, establishing a robust, high-performing wireless infrastructure. Design and implement the updated wireless network with advanced Wireless Intrusion Prevention and Detection (WIPS/WIDS) to enhance security monitoring across all locations. Deploy and configure new Wireless LAN Controllers (WLCs) and Access Points (APs) for reliable coverage, capacity, and performance in geographically distributed areas. Utilize Cisco DNA Center services for optimization, policy enforcement, AI-driven analytics, and complete lifecycle management of the wireless network. Conduct site assessments, RF planning, and post-installation reviews to ensure wireless standards support operational requirements. Assist in developing wireless security configurations and policies following DISA STIGs, RMF, and DoD wireless security mandates. Cloud & Enterprise Infrastructure Architect, implement, and maintain scalable AWS cloud environments—including compute, storage, networking, and identity management—supporting key applications. Ensure infrastructure security by applying controls aligned with DISA STIGs, RMF, NIST 800-53, and DoD cloud requirements. Automate cloud infrastructure deployment and configuration with Infrastructure as Code tools such as Terraform, AWS CloudFormation, or comparable. Monitor health, performance, and security using AWS-native tools (CloudWatch, AWS Config, Security Hub) and third-party SIEM integrations. Support Authority to Operate (ATO) efforts, including generating security documentation, implementing controls, and aiding in assessments. Lead incident response, perform root cause investigations, and shape continuity plans for mission-essential systems.

Job Responsibility

  • Lead the design, architecture, and full implementation of the new Cisco ACI fabric, facilitating the enterprise-wide migration from legacy NX-OS systems
  • Direct and execute the strategy for transitioning from NX-OS to Cisco ACI, including tenant setup, EPG development, policy creation, and fabric discovery
  • Configure and manage the Cisco Nexus Dashboard to achieve centralized visibility, operations management, and policy orchestration across the data center network
  • Supervise the SAN environment, ensuring optimal storage connectivity, zoning, and fabric health during and after the ACI migration
  • Create and maintain comprehensive migration runbooks, cutover roadmaps, and rollback procedures to guarantee operational continuity for mission-critical workloads
  • Work closely with cloud architects and application teams to enable effective integration between the upgraded data center fabric and AWS cloud platforms
  • Support and help lead the enterprise Wireless Refresh project from initial design through deployment, establishing a robust, high-performing wireless infrastructure
  • Design and implement the updated wireless network with advanced Wireless Intrusion Prevention and Detection (WIPS/WIDS) to enhance security monitoring across all locations
  • Deploy and configure new Wireless LAN Controllers (WLCs) and Access Points (APs) for reliable coverage, capacity, and performance in geographically distributed areas
  • Utilize Cisco DNA Center services for optimization, policy enforcement, AI-driven analytics, and complete lifecycle management of the wireless network
  • Conduct site assessments, RF planning, and post-installation reviews to ensure wireless standards support operational requirements
  • Assist in developing wireless security configurations and policies following DISA STIGs, RMF, and DoD wireless security mandates
  • Architect, implement, and maintain scalable AWS cloud environments—including compute, storage, networking, and identity management—supporting key applications
  • Ensure infrastructure security by applying controls aligned with DISA STIGs, RMF, NIST 800-53, and DoD cloud requirements
  • Automate cloud infrastructure deployment and configuration with Infrastructure as Code tools such as Terraform, AWS CloudFormation, or comparable
  • Monitor health, performance, and security using AWS-native tools (CloudWatch, AWS Config, Security Hub) and third-party SIEM integrations
  • Support Authority to Operate (ATO) efforts, including generating security documentation, implementing controls, and aiding in assessments
  • Lead incident response, perform root cause investigations, and shape continuity plans for mission-essential systems

Requirements

  • At least 12 years of progressive experience in enterprise infrastructure engineering, with strong senior-level experience in data center and wireless network architecture
  • CompTIA Security+ CE or equivalent (DoD 8570/8140 IAT II)
  • Cisco Certified Network Professional – Enterprise Wireless (CCNP Enterprise)
  • Practical experience with Cisco ACI: fabric design, APIC management, tenant/EPG configuration, and NX-OS migration
  • Strong familiarity with Cisco Nexus platforms and NX-OS, including multi-tier data center switches and SAN management
  • Advanced knowledge of enterprise wireless—including WLC/AP deployment, RF planning, WIPS/WIDS executions, and Cisco DNA Center operations
  • Experience in AWS cloud services: EC2, VPC, IAM, S3, RDS, CloudWatch, AWS Config, Security Hub
  • Proficient in Infrastructure as Code through Terraform, AWS CloudFormation, or Ansible
  • Comprehensive understanding of DISA STIGs, RMF, NIST 800-53, and federal compliance frameworks
  • Experience supporting ATO efforts and working collaboratively with ISSOs, security assessors, and compliance personnel
  • Ability to steer complex, concurrent modernization projects in mission-critical, compliance-focused environments

What we offer

  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan

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