Peraton is seeking a Sr. CISCO Network / Systems Administrator to join our innovative engineering team of qualified, diverse individuals. The ideal candidate will perform complex functional activities and project management for the USPS. This role is pivotal in driving our efforts in solving complex technical problems in the Windows and Linux based monitoring environments critical to the USPS mission.

Required to be local to Raleigh, NC area.

May be required to travel to support business efforts.

Day to Day Work Responsibilities:

Administer CISCO ISE.
• Configure, administer, document custom policies for Network Access Controls.
• High level troubleshooting of network and application issues.
• Adhere to strict Information Systems security guidelines in all cases.
• Working as Network Access Controls (NAC) ISE Engineer in managing, planning, and designing a framework for authenticating and authorizing national clients via various methods: to include dot1x and profiling; and to enforce compliance across remote VPN, wireless, and wired networks.
• Manage and build Cisco ISE VMWare servers: to include certificate management, licensing, and Integration with 3rd party application servers.
• Manage Cisco ISE Guest Network environment and users accounts.
• Assist in the onboarding and introduction of new endpoints onto the network via investigative testing and probing of endpoint attributes, protocols, and behavior; to culminate in the creation and/or assignment of appropriate policy.
• Utilize Splunk to drive reporting and search for data collected from Cisco ISE.
• Perform packet captures and TCP dumps to analyze application traffic to troubleshoot issues related.
• Provide support for ISE related issues, including off-shift and weekend support functions.
• Utilize ServiceNow application to monitor troubleshoot and track all ISE related tickets.

Basic Qualifications:

• Bachelor's degree with 5+ years' experience or High School diploma/ equivalent with 9+ years' experience.
• Ability to obtain and maintain a Public Trust clearance.
• U.S Citizenship or Green Card holder.
  • Residing in the U.S for the past five years with no more than 6 months travel outside the U.S. during this time frame.
  • Military Service excluded. (Exception does not include military family members).
• Experience with Cisco ISE and security device management.
• Knowledge of traffic and log analysis.
• Strong understanding of TCP/IP, UDP/IP, DNS, DHCP.
• Knowledge of TCP, understanding network, protocol, and application traffic flows.
• Ability to troubleshoot basic network issues including IPv6.
• Knowledge of best practices and IT operations in an always-up, always-available service.

Preferred Qualifications:

• Experience with firewalls, Proxy.
• Experience with switches/routers (Juniper Mist/Fortinet/Aruba).
• Cyber Security Skills.
• Experience with network and log analytics.
• Proficient with application layer protocols - HTTP, SSH, SSL, etc.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.