Chamberlain Advisors · 22 hours ago
Principal Network Engineer – Cisco ACI, Security & Automation SME
Chamberlain Advisors is partnering with a leading equity derivatives clearing organization to hire a Principal Network Engineer who thrives in complex, mission-critical environments. This role involves the design, automation, and support of the Cisco ACI fabric backbone and hybrid-cloud network infrastructure, ensuring security and performance in a regulated financial ecosystem.
Staffing & Recruiting
Responsibilities
Design, implement, and support Cisco ACI Fabric across the enterprise and data center
Engineer advanced routing solutions using BGP and SR-MPLS
Lead firewall architecture and administration with Checkpoint (on-prem and cloud)
Architect and operate F5 LTM solutions; experience with GTM and WAF strongly desired
Engineer and secure AWS networking (VPC, Transit Gateway, Direct Connect, Route 53, Flow Logs)
Develop and maintain automation pipelines using Python and/or TCL for real-world network scripting
Use Ansible, Jenkins, and GitHub for CI/CD integrations, automation, change control, and resilience
Troubleshoot Terraform code for cross-team collaboration
Support large-scale Disaster Recovery exercises and failovers, ensuring automation and tooling perform reliably during prolonged DR operations
Collaborate with a team of 14–16 engineers (junior to senior), contributing knowledge, mentoring peers, and strengthening shared best practices
Work directly with vendors and cross-functional teams to troubleshoot and optimize complex networking environments
Qualification
Required
BS or MS Computer Science, Information Systems, or equivalent professional experience
7+ years in enterprise network engineering or architecture, including 3+ years in automation and cloud networking
Deep hands-on experience of Cisco ACI design, implementation, and support
Advanced routing expertise of BGP mandatory; SR-MPLS highly preferred
Checkpoint firewall expertise (required), Palo Alto exposure helpful
F5 LTM expertise required; GTM/WAF experience preferred
Proven AWS networking experience (depth over breadth)
Strong Python scripting for automating real-world network operations
Familiarity with Ansible, Jenkins, GitHub, and Terraform (troubleshooting level)
Direct DR/resiliency and understanding automation and debugging under pressure is essential
Preferred
Supplementary exposure to Palo Alto or similar firewalls is beneficial
Advanced routing expertise of SR-MPLS highly preferred
GTM/WAF experience preferred
Cisco: CCNP or CCIE (Enterprise, Data Center, or equivalent)
Checkpoint: CCSA/CCSE
AWS: Advanced Networking Specialty or Solutions Architect
Benefits
Comprehensive medical, dental, vision, PTO, paid holidays, 401(k) with match, professional development, collaborative culture, work-life balance