Sr. Network Engineer/Architect

Leidos is seeking a Sr. Network Engineer/Architect to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations.

The Network Engineer/Architect SME supports design of a new, modernized updated and upgraded capabilities for DTRA. This role will be responsible for tech requirement definition, feasibility studies, pilot projects and implementations plans, as well as diagnosing and troubleshooting outages, monitoring networks, infrastructure and systems, and proving proactive mitigation strategies. Specifically, the candidate must have experience with SD-WAN solutions and how to transform from a Non-SDWAN. The candidate will also work with Cloud native SDN and Software Defined Access and EVPN for on-premise application. Working in a DevSecOps environment experience will be required for creating and building new solutions and perfecting them.

CLEARANCE REQUIREMENT: 

• Must hold an active Top Secret security clearance. (US Citizenship required)

Primary Responsibilities

• Plan and design secure network solutions to consolidate connectivity services under an enterprise service. 

• Design secure wide area connectivity inclusive of underlay, overlay, and COI transport design that supports performance, quality of service, security, and mission requirements.  

• Provide secure access solutions leveraging wired and wireless technologies, integrating standards, use cases/scenarios, and develop associated implementation and transition plans.  

• Integrate capacity planning and scaling of network and security stack environments into the overall design of solutions.

• Collect, investigate, and identify network optimization strategies and techniques to meet capacity and performance standards.  

• Identify legacy service paths (i.e. dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be enterprise service capability to meet requirements while balancing security, sustainability, and maintainability.

• Support development of IP addressing schemes across IPv4 and IPv6 networks.

• Work with information assurance teams to ensure compliance to DoD standards to assist with providing accreditation artifacts.

Basic Qualifications

• Minimum of a Bachelor’s degree in Science, Technology, Engineering and Math (preferred) with 8+ years' experience (additional years of directly applicable experience may be accepted in lieu of a degree).

• Require network certification which shall meet or exceed a CCNP (comparable vender certification accepted upon review) with CCIE preferred.

• Require active DoD IAT Level II (i.e. Security+) certification or equivalent prior to start. Must have broad exposure to common IT infrastructure networking in the areas of LAN, WAN, TCP/UDP, Dual stack IPv4/IPv6, IPSec, VPN, , and Firewalls Micro-segmentation

• Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, and Fortinet.

• Experience with SD-WAN solutions, with Dell Versa preferred

• Experience working with Azure and AWS cloud networking

• Experience working with automation tools, such as Ansible, Python scripting, CI/CD pipeline, Terraform to build an Infrastructure as Code framework

• Experience working with AAA servers, such as Cisco ISE or Aruba Clearpass, and endpoint posturing.

• Experience working with Enterprise Wireless

• Familiarity with Type 1 encryptors

• Familiarity with Commercial Solutions for Classified (CSfC)

• Experience documenting logical or physical designs using drawing tools (e.g. Visio, PowerPoint, Gliffy, Cameo, MagicDraw) to depict systems, subsystems, interfaces, components, and communications of I/T applications and infrastructure

• Experienced and comfortable with conducting technical troubleshooting to resolve issues.

• Experience conducting site surveys or analyzing data obtained from site surveys.

• Experience creating or executing a migration plan t