Network Engineer Level 5

SAIC•Arlington, VA

11d•Remote

About The Position

SAIC is seeking a seasoned Network Engineer to join our Network Team. You will be responsible for the architecture, design, deployment, and optimization of our high-traffic, carrier-grade network infrastructure. The ideal candidate has deep, hands-on experience maintaining five-nines (99.999%) availability in a dedicated infrastructure (utilizing dark fiber, wavelength services), service provider, and/or large-scale data center. You will lead complex troubleshooting, ensure robust security, and drive network modernization, including advanced L0 optimization, IPv4/IPv6 transition and SDN (L0-L3) automation physical transport, data link, and network layers simultaneously. This position is remote with travel.

Requirements

Masters Degree in Network Engineering or related field + 8 years experience or Bachelors Degree in Network Engineering or related field + 10 years experience.
5+ years experience with provisioning 1/carrier class networks.
U.S. citizenship and an active Top-Secret clearance, with the ability to obtain a TS/SCI.
5 -15+ years in network engineering, specifically within a service provider, ISP, or carrier-grade data center environment.
Technical Proficiency (L2-L3): TCP/IP, BGP, OSPF, ISIS, MPLS, IKE, IPSEC, VPNs, and VLANs.
Technical Proficiency (L0-L2): SONET/SDH,FDDI, OTN (ITU-T G.709, OTU4, OTU2).
Hands-on experience with carrier-grade platforms (e.g., Ciena, Cisco ASR/NCS/Nexus, Juniper MX/Mist, Nokia, or Arista).
Intermediate to advanced proficiency in Python or Ansible.
Strong Linux CLI skills.
Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

Nice To Haves

CCNP/CCIE (Service Provider or Routing & Switching) preferred.
Experience with CGNAT platforms (e.g., F5 BIG-IP, A10 Networks).
Knowledge of 5G core networking or virtualized platforms (VMware, OpenStack).
Experience with Fiber transport technologies (DWDM, ROADM, WSS, PON).

Responsibilities

Design, implement, and maintain high-performance, scalable, and resilient IP network infrastructure (MPLS, IP/Ethernet).
Provide Tier 3/4 escalation support, conducting deep-packet inspection and root cause analysis (RCA) for complex outages.
Manage and optimize advanced routing protocols including BGP, OSPF, and ISIS, specifically focusing on traffic engineering and internet peering.
Implement and manage carrier-grade NAT (CGNAT) for IPv4/IPv6 transition, AAA/RADIUS infrastructure, and high-capacity wireless/mobility cores.
Maximize network performance through continuous monitoring and capacity planning to handle high-traffic volumes.
Develop and implement automation scripts using Python, Ansible, or Terraform to streamline configuration, provisioning, and MOP (Method of Procedure) execution.
Ensure compliance with security standards (e.g., ISO27001, PCI-DSS) and implement network-level security, such as DDoS protection and lawful intercept.
Create and maintain detailed network diagrams, MOPs, and technical documentation.