Network Engineer Level 5

Network Engineer Level 5

Job ID: 2616439

Location: Arlington, VA, United States

Date Posted: Sep 2, 2026

Category: Information Technology

Subcategory: Network Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 25% of the time

Minimum Clearance Required: Top Secret

Clearance Level Must Be Able to Obtain: TS/SCI

Potential for Remote Work: Hybrid

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Job Description

Description

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.

Qualifications

Required Qualifications & Experience:

• 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.

Required Skills & Experience

• U.S. citizenship and an active Top-Secret clearance, with the ability to obtain a TS/SCI.
• Experience: 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).
• Hardware Expertise: Hands-on experience with carrier-grade platforms (e.g., Ciena, Cisco ASR/NCS/Nexus, Juniper MX/Mist, Nokia, or Arista).
• Automation/Scripting: Intermediate to advanced proficiency in Python or Ansible.
• Linux/Unix: Strong Linux CLI skills.
• Education: Bachelor''s degree in Computer Science, Engineering, or equivalent practical experience.
• Certifications: CCNP/CCIE (Service Provider or Routing & Switching) preferred, but no required.

Preferred Qualifications

• 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).

Why Join Us

• Work on one of the largest infrastructure deployments in the region.
• Direct influence on network architecture and modernization projects.
• Competitive salary and comprehensive benefits package, including 401(k) matching.

Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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