Sr. Network and Security Engineer

Job Title: Sr. Network and Security Engineer

Job Type: Full-Time

Location: Remote

Job Summary

Join our team as a Sr. Network and Security Engineer and play a critical role in architecting, implementing, and securing our advanced hybrid cloud and data center environments. This is a unique opportunity for a highly skilled professional to lead challenging initiatives using cutting-edge Cisco technologies, Azure cloud networking, and modern Infrastructure as Code practices. If you are passionate about networking, security, and clear communication, we want to hear from you.

Key Responsibilities

1. Design, implement, and manage enterprise networks built on Cisco Nexus, Catalyst, and ACI solutions.
2. Lead the deployment and configuration of advanced routing protocols, including VRF, BGP, MP-BGP, and OSPF.
3. Drive ACI fabric deployments, policy setups, tenant segmentation, and manage integration with external networks.
4. Plan and execute upgrades, migrations, and hardware refresh projects involving supervisors, line cards, and other critical components.
5. Build and maintain secure, scalable Azure Landing Zones and establish robust hybrid cloud connectivity.
6. Automate network provisioning and configuration using Terraform, ensuring repeatability and efficiency.
7. Troubleshoot complex, mission-critical network issues to maintain high availability and optimal performance.
8. Collaborate closely with internal cloud, infrastructure, and security teams to ensure seamless alignment with business needs and security standards.
9. Develop clear, detailed documentation and provide mentorship to junior engineers and operations staff.

Required Skills and Qualifications

1. Extensive hands-on experience with Cisco Nexus and Catalyst switches, including advanced configuration and migration.
2. Expertise in Cisco ACI multi-tenant design, policy creation, contracts, and integrating with external connectivity.
3. In-depth knowledge of core routing and switching, including VRF, BGP, MP-BGP, OSPF, and MPLS protocols.
4. Proven experience with Azure Landing Zones and hybrid network integrations (e.g., ExpressRoute, VNets).
5. Proficiency in automating infrastructure with Terraform and leveraging Infrastructure as Code principles.
6. Strong troubleshooting skills in large-scale, high-availability environments.
7. Demonstrated ability to communicate complex concepts clearly in both written and verbal forms.

Preferred Qualifications

1. Experience in network monitoring and implementing operational best practices.
2. Familiarity with cloud security controls and compliance standards.
3. Relevant certifications such as CCNP, CCIE, or Azure Network Engineer Associate.