Senior Network Architect

4 weeks ago

Bethesda, Maryland, United States Leidos Full time
Job Summary

Leidos is seeking a Senior Network Engineer to join our team in Montgomery County, MD. The successful candidate will be responsible for maintaining and supporting a large-scale enterprise network based on Cisco technology. The Senior Network Engineer will provide technical leadership and mentoring of junior staff, direct Tier 3 support for incident response, and perform problem management and incident prevention activities. The candidate will also coordinate with vendors and service providers to ensure secure, highly available network backbone, wireless, and data center services in accordance with existing customer service level agreements (SLAs).

Key Responsibilities:

  • Provide on-site support to the health agency in MD.
  • Maintain virtual local area networks (VLANs), wide area networks (WANs), datacenter networks, wireless networks, and industrial control communications systems in accordance with SLAs.
  • Provide Cisco switching and routing expertise in support of data center networks and applications.
  • Evaluate the potential impacts of new network solutions and Trusted Internet Connection (TIC) networks and how those solutions will transition into operations.
  • Configure and optimize network monitoring tools, including ScienceLogic SL1, to provide high-fidelity alerts and visualizations to the network monitoring team.
  • Measure, monitor, and plan network performance, usage, availability, capacity, and risks for network change requests.
  • Provide strategic and tactical direction for Network Services enhancements and projects.
  • Provide Tier 3 technical support, development of standard operation procedures, and mentoring to the operations team.
  • Collaborate with the program architecture and security teams to ensure policy and security compliance for change requests and new capabilities.
  • Support the customer for transition from traditional to software-defined enterprise networking.

Requirements:

  • EITHER an active Cisco Certified Internetwork Expert (CCIE) Routing and Switching certification and Five (5) years of data center operational experience OR an active Cisco Certified Network Professional (CCNP) certification (Data Center, Enterprise, or Service Provider) and Ten (10) years of data center operational experience.
  • Deep understanding of Layer 2 and Layer 3 frameworks and protocols.
  • Knowledge of supporting formal change management processes using an ITSM platform such as ServiceNow.
  • Experience supporting complex enterprise VLAN architectures and applying Zero Trust principles.
  • Knowledge of IT service management best practices for supporting network operations for large volumes (45,000) of end users.
  • Experience designing and implementing data center networks using Cisco Nexus switches, F5 appliances, and Palo Alto devices.
  • Experience with scripting languages and automation using infrastructure as code.
  • Demonstrated ability for oral and written communication with the highest levels of management and delivery of required reports in accordance with formal contractual agreements.
  • Experience providing operations support for large enterprise network backbones.
  • Experience supporting large wireless networks and industrial control system networks that include environmental monitoring and management of uninterruptible power supplies.

Desired Skills:

  • Experience with implementing data center colocation services.
  • Experience with Federal Government TIC operations.
  • Experience with systems that implement Cisco DNA Center.
  • Hybrid cloud networking experience.
  • Experience with Gigamon network packet capture and analysis technology.
  • Experience with SD-WAN modernization initiatives.
  • CompTIA Security or CISSP security certification.
  • ITIL 4 Foundation certification.

Leidos is an Equal Opportunity Employer

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