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# REMOTE Senior Network Engineer (TS/SCI + CI Poly Preferred)

- **Company:** TEKSYSTEMS INC.
- **Location:** Daly City, CA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Border Gateway Protocol, DevOps, Multi-protocol Systems, Jinja (Template Engine), Python (Programming Language), Netconf, Network Architecture, Routing, Open Shortest Path First (OSPF), Ansible, Extensible Markup Language (XML), Scripting, Computer Networking Systems, Juniper, Restful APIs, Open Network Automation Platform, Cisco
- **Published:** October 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9241112/remote-senior-network-engineer-tssci-ci-poly-preferred

## About the Role

If you're passionate about high-performance networking, large-scale routing environments, and network automation, this role offers the chance to make a direct impact on mission-critical infrastructure across the United States.

Clearance Requirements
Active TS/SCI clearance is required.

Candidates with an active CI Polygraph are highly preferred; however, strong TS/SCI-cleared candidates who are eligible and willing to upgrade to a CI Poly will be considered.

Required Experience

 * Hierarchical IS-IS
 * Segment Routing (SR-MPLS and/or SRv6)
 * Network Automation and DevOps
 * Large-scale service provider or ISP network environments
 * Advanced routing and transport technologies

Preferred Experience

 * Juniper MX Platforms
 * Juniper Routing Director
 * MPLS Traffic Engineering (TE)
 * GRE Tunnels
 * EVPN
 * BGP
 * OSPF
 * MPLS
 * L2VPN / L3VPN, * Juniper MX
 * Routing Director
Automation & DevOps Technologies
Experience with any of the following is highly desired:

 * Python
 * PyEZ
 * ncclient
 * XML API
 * NETCONF
 * REST APIs
 * gRPC
 * Ansible
 * Jinja2 Templates
 * Network Automation Frameworks
 * Operational and Event-Driven Scripting, * Active TS/SCI Clearance
 * 7+ years of hands-on network engineering experience
 * Experience supporting large-scale ISP, service provider, or enterprise networks
 * Strong understanding of WAN architectures and transport technologies
 * Expertise in routing and switching technologies
 * Excellent troubleshooting and communication skills
 * Ability to work independently in a customer-facing environment
 * Bachelor's degree in a technical discipline or equivalent experience

Nice to Have

 * Active CI Polygraph
 * Juniper Certifications (JNCIP, JNCIE, etc.)
 * Cisco or other networking certifications
 * Architecture and design experience in large-scale environments

What's In It For You?

 * 100% remote work flexibility
 * Exposure to next-generation Segment Routing architectures
 * Work alongside industry-leading networking experts
 * Support mission-critical government programs
 * Solve highly complex networking challenges
 * Strong long-term career growth with a global technology leader
 * Travel opportunities to premier customer sites nationwide

If you have a TS/SCI clearance, strong routing expertise, and experience with Segment Routing, IS-IS, or network automation, we'd like to hear from you. Candidates who do not currently hold a CI Polygraph but have the right technical background are encouraged to apply.

## Description

As a Senior Network Engineer, you'll serve as a trusted technical advisor and resident engineering resource supporting large-scale customer environments. You'll collaborate closely with HPE engineers, customer engineering teams, and vendor support organizations to ensure successful deployment, operation, and optimization of critical network infrastructure., * Design, plan, test, and implement complex networking solutions

 * Support large-scale Juniper MX and Routing Director environments
 * Assist customers with deployment planning and implementation strategies
 * Troubleshoot complex routing, switching, and transport issues
 * Act as a primary technical point of contact for operational escalations
 * Work directly with engineering teams and vendor support organizations to resolve issues
 * Perform root cause analysis and provide clear technical documentation
 * Support network modernization initiatives and advanced routing architectures
 * Deliver technical briefings, training sessions, and operational guidance
 * Drive network automation and operational efficiency initiatives