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- Tasks: Design and maintain security for networks, tackling complex challenges with innovative solutions.
- Company: Join GTT, a global leader in AI-driven connectivity and security.
- Benefits: Competitive salary, flexible work options, and opportunities for professional growth.
- Why this job: Make a real impact in network security while collaborating with a supportive team.
- Qualifications: 8+ years in network engineering, with a focus on security architecture.
- Other info: Dynamic environment fostering innovation and personal ownership.
The predicted salary is between 70000 - 90000 £ per year.
About Us: Join GTT to be part of a global mission to simply and securely connect people and data through innovative, AI-driven solutions. We empower curious, adaptive professionals to take ownership of their work, offering a culture where your ideas have a visible, real-world reach. If you are energized by complex challenges and a supportive team that lifts each other up, GTT is the place to build a rewarding career.
Responsibilities:
- Architectural Design: Develop and maintain the security blueprint for the ISP core, edge, and access networks.
- DDoS Mitigation: Design and optimize multi-layered DDoS protection strategies using scrubbing centers, flow-based monitoring (NetFlow/SFlow), and RTBH (Remote Triggered Black Hole) filtering.
- Infrastructure Security: Hardening of critical network elements (routers, switches, OLTs) and implementing robust AAA (Authentication, Authorization, and Accounting) frameworks.
- BGP & Routing Security: Lead the implementation of RPKI (Resource Public Key Infrastructure), BGPsec, and peering security best practices to prevent route hijacking.
- Automation & Orchestration: Drive "Security as Code" by using Python, Ansible, or Terraform to automate security policy deployments across thousands of nodes.
- Compliance & Standards: Ensure the network meets industry standards such as NIST, ISO 27001, and regulatory requirements (e.g., CALEA, GDPR).
- Incident Escalation: Act as a Tier 4 subject matter expert during major security breaches or sophisticated network attacks.
Qualifications:
- Experience: 8+ years in network engineering with at least 4 years focused specifically on security architecture in a Service Provider or large Enterprise environment.
- Education: Bachelor’s or Master’s degree in Computer Science, Cybersecurity, or equivalent experience.
- Certifications: Highly preferred: CCIE Security, JNCIE‑SEC, CISSP‑ISSAP, or GSEC.
- Soft Skills: Ability to translate complex security risks into business terms for executive leadership.
Our Commitments:
- Adaptive Mindset: We meet change head‑on to build the capabilities we need now.
- Collective Impact: We treat innovation as a team sport, working powerfully together to create extraordinary impact.
- Customer Ownership: We own our customers’ success, whether an internal stakeholder or an external client.
Network Security Architect in London employer: GTT
Contact Detail:
GTT Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Network Security Architect in London
✨Tip Number 1
Network with industry professionals! Attend meetups, webinars, or conferences related to network security. This is a great way to get your name out there and learn about job openings that might not be advertised.
✨Tip Number 2
Showcase your skills through projects! Create a portfolio of your work, especially any automation scripts or security designs you've implemented. This can really impress potential employers and give them a taste of what you can bring to the table.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Be ready to discuss how you've tackled complex challenges in the past and how you can contribute to GTT's mission of secure connectivity.
✨Tip Number 4
Apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in being part of our innovative team at GTT.
We think you need these skills to ace Network Security Architect in London
Some tips for your application 🫡
Show Your Passion for Security: When writing your application, let your enthusiasm for network security shine through. We want to see how your experience aligns with our mission to create secure connections. Share specific examples of challenges you've tackled in the past!
Tailor Your CV and Cover Letter: Make sure to customise your CV and cover letter for the Network Security Architect role. Highlight relevant skills and experiences that match the job description. We love seeing how you can contribute to our innovative, AI-driven solutions!
Be Clear and Concise: Keep your application straightforward and to the point. Use clear language to describe your achievements and skills. We appreciate a well-structured application that makes it easy for us to see your qualifications at a glance.
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team!
How to prepare for a job interview at GTT
✨Know Your Security Architecture
Make sure you’re well-versed in the latest security architecture principles, especially those relevant to ISPs. Brush up on DDoS mitigation strategies and be ready to discuss how you would implement multi-layered protection in real-world scenarios.
✨Showcase Your Automation Skills
GTT values 'Security as Code', so be prepared to talk about your experience with automation tools like Python, Ansible, or Terraform. Bring examples of how you've used these tools to streamline security policy deployments in previous roles.
✨Understand Compliance Standards
Familiarise yourself with industry standards such as NIST and ISO 27001. Be ready to explain how you’ve ensured compliance in past projects and how you would approach it at GTT.
✨Communicate Complex Ideas Simply
Since you'll need to translate complex security risks into business terms, practice explaining technical concepts in a straightforward way. Think of examples where you successfully communicated with non-technical stakeholders.