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# Senior Principal Network Engineer

- **Company:** Science Applications International Corporation
- **Location:** Dallas, TX, United States (Remote available)
- **Experience:** Expert
- **Salary:** $160,001.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Cloud Computing, Configuration Management, Cyber Security, Enhanced Interior Gateway Routing Protocol, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Python (Programming Language), Network Security, Network Architecture, Routing, Open Shortest Path First (OSPF), Ansible, TCP/IP, Virtualization Technology, Wide Area Networks, Scripting, Test Scripts, ARUBA, HybridCloud, Firewalls (Computer Science), Juniper, Virtual Computing, Information Technology, Deployment Automation, Terraform, Cisco, Vmware
- **Published:** October 29, 2026
- **Apply:** https://dejobs.org/x/x/3AC749E392B74470B70BBC334CA585D6/job/

## About the Role

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).

## 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., * 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.