Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Troubleshoot and optimise network security solutions for diverse clients.
- Company: Join Rackspace Technology, a leader in cloud services and customer support.
- Benefits: Enjoy competitive pay, flexible work options, and opportunities for professional growth.
- Why this job: Make a real impact by enhancing customer security and satisfaction.
- Qualifications: 7+ years in networking/security with relevant certifications like CCNA.
- Other info: Collaborative environment with mentorship opportunities and career advancement.
The predicted salary is between 48000 - 72000 £ per year.
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.
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.
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: Prioritises 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 ongoing activities or objectives.
- Acts as a resource for colleagues with less experience.
Network Security Engineer III - UK in Cardiff employer: Rackspace
Contact Detail:
Rackspace Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Network Security Engineer III - UK in Cardiff
✨Tip Number 1
Network with industry professionals! Attend meetups, webinars, or conferences related to network security. It’s a great way to make connections and learn about job openings that might not be advertised.
✨Tip Number 2
Show off your skills in real-time! Consider setting up a personal project or contributing to open-source projects. This not only sharpens your skills but also gives you something tangible to discuss during interviews.
✨Tip Number 3
Prepare for technical interviews by practicing common scenarios you might face as a Network Security Engineer. Use platforms like StudySmarter to brush up on your knowledge and get comfortable with troubleshooting questions.
✨Tip Number 4
Don’t forget to apply through our website! We’re always looking for passionate individuals who can provide that Fanatical Experience™. Make sure your application stands out by highlighting your relevant experience and certifications.
We think you need these skills to ace Network Security Engineer III - UK in Cardiff
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Network Security Engineer role. Highlight your experience with firewalls, VPNs, and any relevant certifications like CCNA/P. We want to see how your skills align with what we’re looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for network security and how you’ve tackled complex issues in the past. Let us know why you’re excited about joining Rackspace and how you can contribute to our Fanatical Experience™.
Showcase Problem-Solving Skills: In your application, don’t forget to mention specific examples of how you’ve solved challenging technical problems. We love candidates who can demonstrate their expertise and agility in addressing customer needs!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on being part of the Rackspace family!
How to prepare for a job interview at Rackspace
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of NSX-T, Palo Alto, and Cisco FirePower. Be ready to discuss specific scenarios where you've configured or troubleshot these technologies. The more you can demonstrate your hands-on experience, the better!
✨Show Off Your Problem-Solving Skills
Prepare to share examples of complex issues you've resolved in the past. Think about times when you took ownership of a problem and how you kept customers updated throughout the process. This will highlight your customer-driven approach and ability to handle pressure.
✨Emphasise Collaboration
Rackspace values teamwork, so be ready to talk about how you've collaborated with others in previous roles. Share instances where you mentored junior staff or worked closely with account managers to enhance customer relationships. This shows you're not just a tech whiz but also a team player.
✨Be Ready for Scenario Questions
Expect to face scenario-based questions that test your technical knowledge and customer service skills. Practice articulating your thought process when troubleshooting network environments or designing security solutions. This will help you demonstrate your expertise and agility in real-world situations.