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Jobs / Network Engineer in United States of America
21 days ago
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SI
Science Applications International·21 days ago
21 days ago

Senior Network Engineer

Arlington, United States of AmericaRemoteSenior · 5-8 yearsNetwork Engineer

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Must-have skills for this role

  • network engineering
  • bgp
  • mpls
  • ospf

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What you'll do

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

What they're looking for

  • 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.
  • Experience with architecture, design, deployment, and optimization of high-traffic, carrier-grade network infrastructure.
  • Proficiency in advanced routing protocols including BGP, OSPF, and ISIS.
  • Experience with carrier-grade NAT (CGNAT) for IPv4/IPv6 transition, AAA/RADIUS infrastructure, and high-capacity wireless/mobility cores.
  • Experience with automation scripts using Python, Ansible, or Terraform.
  • Knowledge of security standards (e.g., ISO27001, PCI-DSS) and network-level security (DDoS protection, lawful intercept).

Summarised by NextRaise from the employer’s description, which follows in full below.

Full description from employer

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. 

Key Responsibilities:

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

Company

SI
Science Applications International
Arlington, United States of America

Company facts come from this company's own listings. We only show what the postings themselves carry.

Sourced from Science Applications International's careers site·first seen 22 Sept 2026·last verified 22 Sept 2026·How we source jobs

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