Rackspace US, Inc.
Network Security Engineer II
Rol remoto de Network Security Engineer con fit claro de ubicación del candidato.
Publicado13 jun 2026
Países elegibles1 país aceptado
Señal de seniorityMiddle
Modelo de trabajoRemoto
Ubicaciones aceptadas para candidatos
India
Resumen del rol
Network Security Engineer II
Requisitos y responsabilidades
Contenido del rol extraído en secciones para revisar más rápido.
Key Responsibilities
- Multi-Vendor Firewall Management: Lead the migration, configuration, and maintenance of Cisco ASA (Classic) and Firepower (FTD) systems, while managing a robust Palo Alto environment via Panorama.
- Application Delivery & Security: Design and manage F5 BIG-IP solutions, focusing on LTM (Local Traffic Manager) for load balancing and ASM/WAF (Application Security Manager) for protecting web applications.
- Software-Defined Networking (SDN): Implement and manage micro-segmentation policies and virtualized security services within VMware NSX (T/V) environments.
- Legacy to Next-Gen Migration: Architect strategies to transition legacy Cisco ASA rulesets to Cisco Firepower or Palo Alto NGFWs without service disruption.
- Tier 3 Support: Act as the highest escalation point for complex network outages, security breaches, or performance degradation across the global fabric.
- Provide exceptional customer support via phone and ticketing systems.
- Own level-appropriate customer requests and issues, seeing them through to resolution.
- Handle support escalations from other engineers and teams as per escalation procedures.
- Collaborate with Service Delivery Managers and Account Executives to build strong customer relationships.
- Work closely with customers during the pre-implementation phase to design and architect solutions.
- Coordinate with implementation teams to quality-check deployments and perform initial vulnerability assessments.
- Research, plan, and coordinate complex maintenance activities.
- Participate in Root Cause Analysis (RCA) exercises to drive process and technology improvements.
- Share knowledge with other administrators and engineers via documentation and training sessions.
- Contribute to the development of technical best practices.
- Prepare and review policy and process standards.
- Communicate effectively (verbal and written) with customers and internal stakeholders, including presentations.
- Be available for flexible working hours (24x7x365 coverage, including weekends and holidays).
Security & Networking Stack
- Cisco Specialist: Advanced knowledge of Cisco ASA (CLI/ASDM) and Firepower Threat Defense (FTD) managed via FMC.
- Palo Alto Expert: Deep experience with Palo Alto NGFW features (App-ID, User-ID, SSL Decryption).
- Load Balancing: Proficiency in F5 BIG-IP, including iRules development, SSL offloading, and traffic steering.
- Virtualization: Hands-on experience with VMware NSX, including distributed firewalls (DFW) and edge gateways.
- Protocols: Strong knowledge of TCP/IP, BGP, OSPF, and deep packet inspection.
1. Cisco Security (Primary):
- CCNA Security – Required
- CCNP Security – Highly Preferred
- Specialist certifications in Firepower or ASA are a significant plus
2. Palo Alto Networks (Secondary):
- PCNSE (Palo Alto Networks Certified Network Security Engineer) – Highly Preferred
3. Supplemental (Preferred):
- F5-CTS (Certified Technology Specialist)
- VCP-NV (VMware Certified Professional – Network Virtualization)
Experience Requirements
- Intermediate-level professional experience in network security engineering.
- Demonstrated experience managing complex firewall rule bases (10,000+ rules) across multiple platforms.
- Expertise in troubleshooting complex asymmetric routing issues and application-level latency in multi-vendor environments.
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