Senior Principal Network Engineer

Science Applications International Corp.; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

SAIC is seeking a Senior Principal Network Engineer to integrate systems into a complex architecture using Cisco SD-WAN, Aruba Edge-Connect, and Juniper SD-WAN. This is a Remote role based in Dallas, TX with up to 25% travel and a requirement to be local to the area.

Responsibilities include leading deployment, security alignment, and documentation, plus developing test strategies and engaging in technical exchanges to meet customer requirements.

Qualifications

• Bachelor's degree and 14+ years of related experience.
• 5–8 years of hands-on WAN design and support experience.

Responsibilities

• Integrate and design scalable WAN transport solutions incl. IPsec/VPN, WAN, SD-WAN, Black Core, hybrid-cloud.
• Lead configuration and migration of Navy systems into the SD-WAN fabric.
• Ensure configurations comply with accreditation and security requirements.
• Collaborate with Shore Based Engineering to communicate environment changes for integration.
• Automate deployments using Python or Ansible.
• Create tests and reports for engineering reviews and configuration boards.
• Produce network architecture diagrams and documentation artifacts.

Skills

WAN design

SD-WAN

BGP

OSPF

EIGRP

TCP/IP

IPsec/VPN

VRF

Security/Firewall

Python

Ansible

Terraform

CCNP

DoD security

Education

Bachelor's degree

Tools

Cisco gear

Juniper gear

Aruba SD-WAN

VMware NSX

Job description

SAIC is seeking a highly skilled Senior Principal Network Engineer to integrate systems into a complex architecture via various technologies (Cisco SD-WAN, Aruba Edge-Connect, Juniper SD-WAN), implement configuration to provide Network Transport, develop Test and Evaluation Strategy, lead engineering focused Technical Exchanges to understand customer requirements and provide sound engineering guidance for seamless integration.

This is a Remote role in Dallas, TX. Must be local to area. Role requires up to 25% of travel.

JOB DUTIES

• Integration and WAN Transport: Engineer scalable, resilient network integration solutions including IPSEC/VPN, WAN, SD-WAN, Black Core and hybrid-cloud topologies.
• Implementation & Deployment: Lead the configuration, and migration of Navy Systems and Sites into the SD-WAN Fabric.
• Network Security: Ensure integration configurations comply with the current accreditation authorization.
• Operations & Engagement: Work with the core Shore Based Engineering team to articulate changes in the environment to accommodate integration of customers
• Automation & SRE: Leverage scripting languages and configuration management frameworks (e.g., Python, Ansible, or Terraform) to automate repetitive infrastructure tasks and deployments.
• Test and Evaluation: Generate comprehensive Test Plans to ensure testing rigor. Produce Test Reports to present to the engineering team and Configuration Boards
• Documentation: Produce and maintain comprehensive network architecture diagrams, technical manuals, and configuration artifacts.

REQUIREMENTS

• Education and years of experience: Bachelor's degree in computer science, Information Technology, Electrical Engineering, or a related field and fourteen (14) years or more of related experience. Years of experience in lieu of degree to be taken into consideration.
• Minimum of 5-8 years of proven, hands‑on experience designing and supporting enterprise‑level WAN routing environments.

Technical Proficiencies

• Deep understanding of core network protocols (BGP, OSPF, EIGRP, TCP/IP, VRF's, IPSEC/VPN's Black Core Routing).
• Expert‑level hardware configuration (Cisco, Juniper, and Aruba SD-WAN solutions).
• Security & Firewalls: Proven experience managing enterprise firewalls and web/proxy filters.
• Automation: Practical experience using Python or Ansible for network deployment automation.

Clearance

• Must be a U.S. Citizen
• Must have an Active Secret Clearance to start

DESIRED SKILLS AND CERTIFICATION

• Certifications: Cisco Certified Network Professional (CCNP), Juniper Networks Certified Specialist (JNCIS), or equivalent professional‑level certs.
• Security Standards: Familiarity with Department of Defense (DoD) environments, IAT Level II compliance (e.g., Security+ CE), or handling multi‑level security domains.
• Cloud & Virtualization: Knowledge of cloud networking solutions (AWS/Azure) and virtual computing platforms (VMware NSX).