Rackspace Technology is a leading provider of expertise and managed services across all the major public and private cloud technologies. We’ve evolved Fanatical Support to encompass the entire customer journey — providing Fanatical Experience™ from first consultation to daily operations. Our passionate experts combine the power of proactive, always-on service and expertise with best-in-class tools and automation to deliver technology when and how our customers need it. The Senior Network Security Engineer (L3) is a key element within the Rackspace support infrastructure and is expected to provide a high level of technical support to our customers via the phone, ticketing system, and automation. This role owns complex customer issues which may take several days or weeks to resolve and keeps our customers updated through every step of the process. You will be expected to take initiative and advise on potential pitfalls that a customer may encounter and suggest alternatives through automation, which may better serve the stability and security of the customer's solution. Technical issues can include troubleshooting customer network environments including firewall configurations, VPN technologies and access-control lists, VIP configurations, TCL (iRule) and Perl scripts, layer 4 thru 7 issues, etc. This role will support many elements of the Rackspace Cloud product portfolio, including RackConnect. You will create and maintain customer loyalty by providing Fanatical Experiences above and beyond customer expectations. You will also be responsible for adhering to company security policies and procedures and any other relevant policies and standards as directed. Discover your inner Racker - click here Key Responsibilities Configure, troubleshoot, and take escalations for Firewalls & Load Balancers, Windows/Linux system administration, or Cloud Native Tooling Create documentation for support and operations tasks regarding the above tools Configure, plan, install, maintain, and optimize network systems, equipment, and applications ensuring network protocols and security policies are used effectively Solve engineering problems through the ownership of level appropriate customer requests and issues, seeing them through to resolution Design, schedule and coordinate maintenances Engineer and implement customized security solutions Collaborate with Account Managers and Business Development Consultants to build strong customer relationships Collaborate and share knowledge with other Engineers and Administrators Mentor and train lower level Rackers Other Incidental tasks related to the job, as necessary. Skills/Knowledge Required - working knowledge of NSX-T, Palo Alto, Cisco FirePower, F5. Desirable - working knowledge of Fortigate, Azure, Cisco Nexus, Panaroma, ACI, Cloudflare. At least ONE relevant networking certification e.g. CCNA/P. Critical Competencies Excellence: Exceeds expectations by consistently demonstrating accountability, discipline, high performance, and a proven track record of exceptional results. Customer-driven: Prioritizes customer needs and satisfaction through collaborative and proactive problem-solving, and an unwavering commitment to customer success. Expertise: Possesses deep understanding of customer needs and continually grows and enhances skills to provide customer-focused solutions. Agility: Quickly adapts and responds to dynamic customer needs and expectations through innovative solutions. Compassion: Cultivates a positive and supportive environment to effectively work together towards a common goal, fostering trust within Rackspace and with external stakeholders. Career Level Summary Proven experience (7 years) in Networking/Network Security. Requires in-depth conceptual and practical knowledge in own job discipline and basic knowledge of related job disciplines Solves complex problems Works independently, receives minimal guidance May lead projects or project steps within a broader project or may have accountability for on-going activities or objectives Acts as a resource for colleagues with less experience LI-LP2 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.