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Network Architect

2 months ago

Springfield, Virginia, United States Leidos Full time
Job Summary

Leidos is seeking a highly skilled Network Architect to join our team in the Digital Modernization Sector. As a key member of our team, you will be responsible for providing routing and boundary protection to our enterprise-level infrastructure across multiple classifications.

Key Responsibilities
  • Maintain the security and networking of enterprise boundary enclaves and devices
  • Tier III O&M of Juniper and Cisco routers to include troubleshooting and implementation of routing updates
  • Implement new firewall rules along with associated routing to fulfill firewall change requests
  • Responsible for installing software, applying patches, managing file systems, and monitoring performance of firewall systems
  • Provide support for Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications
  • Generate, determine impact of, and implement custom proxy policies and/or policy exceptions in response to ongoing technology implementation activities on the program
  • Proxy Subject Matter Expert (SME) for integration of other technologies within the program (function as a SME on ongoing technology projects)
  • Support the troubleshooting of web connectivity problems to determine root cause
  • Perform Proxy solution component upgrades, testing and configuration
  • Research and develop evidence collection, protection, and analysis techniques for customer-owned and maintained hardware and/or software
  • Provide real-time monitoring and alerting of security incident investigations on perimeter/internal infrastructure
  • Provide day-to-day Operations and Maintenance (O&M) support for all incident management events and outages
  • Collaborate with IT staff on projects and initiatives
  • Provide input for monthly progress and status reporting of Service Level Agreements (SLAs)
  • Work with corresponding technical support teams as required to resolve network traffic concerns
  • Utilize monitoring tools and log collectors to provide in-depth analysis of traffic anomalies and issues
Requirements
  • TS/SCI with Poly clearance
  • 16 years of experience that can be a combination of work history and education
  • Must comply with DoD 8570 Information Assurance Technical (IAT) Level 2
  • Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances
  • Experience with configuring and troubleshooting Juniper and Cisco routers and switches
  • Experience with protocols such as OSPF, BGP, VPN's, VRF's, MPLS
  • Working knowledge of boundary protection best practices
  • Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies
  • Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements
  • Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training
  • Working knowledge of Service Now or similar IT Service Management (ITSM) products
  • Superior verbal and written communication skills
  • Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio