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- Tasks: Design, build, and maintain complex network systems for a high-impact engineering role.
- Company: Join a leading firm focused on innovative low-latency networking and secure data centre infrastructure.
- Benefits: Enjoy competitive pay, flexible working options, and opportunities for professional growth.
- Why this job: Be part of a dynamic team driving cutting-edge technology in a fast-paced environment.
- Qualifications: Proven experience in enterprise-scale networks with expertise in multicast and security protocols required.
- Other info: Hands-on role with opportunities to lead projects and collaborate with top industry professionals.
The predicted salary is between 48000 - 72000 £ per year.
We are looking for an Expert DC & Security engineer with deep expertise in low-latency networking, multicast technologies, and secure data centre infrastructure. This is a hands-on, high-impact engineering role where you’ll be responsible for the full lifecycle of network systems—from design and deployment to performance monitoring and continuous improvement.
Key Responsibilities
- Design, build, and maintain complex network systems and applications to meet evolving business and technical demands.
- Translate business requirements and performance data into robust technical solutions that align with capacity and infrastructure strategies.
- Develop real-time dashboards and monitoring systems to visualise network health and performance.
- Provide expert support for multicast and WAN implementations, acting as the primary escalation point for complex issues.
- Lead network upgrades and migrations, coordinating with internal teams and third-party providers.
- Manage enterprise firewall environments and contribute to secure network architecture reviews.
- Maintain thorough documentation and conduct detailed system performance reviews to drive continuous improvement.
- Contribute to engineering patterns, enabling the automation, testing, and deployment of network solutions within an SRE/DevOps framework.
Technical Requirements
- Proven experience working on enterprise-scale networks, particularly in latency-sensitive environments (finance/trading preferred).
- Deep knowledge of LAN, WAN, HSRP, NAT, MPLS, VPN, GRE, BGP, and OSPF protocols.
- Advanced expertise in multicast networking: PIM-SM, PIM-SSM, IGMP, MVPN, MLDP.
- Hands-on experience with F5 BIG-IP (LTM, GTM, etc.).
- Strong background in firewall administration and security: Palo Alto, Cisco ASA, CheckPoint, or similar platforms.
- Proficient with network packet analysis and troubleshooting using packet capture tools.
- Experience with Data Centre and SDN technologies: Cisco ACI, VxLAN, and related tooling.
- Understanding of network automation principles; exposure to SRE/DevOps practices is a plus.
- Working knowledge of TCP/IP and multicast in internet-facing architectures.
Senior Network Specialist employer: twentyAI
Contact Detail:
twentyAI Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Network Specialist
✨Tip Number 1
Network with professionals in the industry, especially those who work in low-latency environments or data centres. Attend relevant conferences or meetups to connect with potential colleagues and learn about the latest trends and technologies.
✨Tip Number 2
Showcase your hands-on experience by discussing specific projects where you've designed or maintained complex network systems. Be prepared to explain the challenges you faced and how you overcame them, particularly in latency-sensitive environments.
✨Tip Number 3
Familiarise yourself with the tools and technologies mentioned in the job description, such as F5 BIG-IP and various firewall platforms. Consider obtaining certifications that demonstrate your expertise in these areas, as they can set you apart from other candidates.
✨Tip Number 4
Prepare to discuss your approach to network monitoring and performance improvement. Have examples ready of how you've developed dashboards or monitoring systems that visualise network health, as this is a key responsibility for the role.
We think you need these skills to ace Senior Network Specialist
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with low-latency networking, multicast technologies, and secure data centre infrastructure. Use specific examples from your past roles that demonstrate your expertise in these areas.
Craft a Compelling Cover Letter: In your cover letter, explain why you are the perfect fit for the Senior Network Specialist role. Discuss your hands-on experience with enterprise-scale networks and how you've successfully managed complex network systems in the past.
Showcase Technical Skills: Clearly list your technical skills relevant to the job description, such as your knowledge of protocols like BGP, OSPF, and your experience with F5 BIG-IP. This will help the hiring team quickly see your qualifications.
Highlight Problem-Solving Abilities: Provide examples of how you've tackled complex issues in previous roles, especially related to multicast and WAN implementations. This will demonstrate your capability to act as a primary escalation point for challenging problems.
How to prepare for a job interview at twentyAI
✨Showcase Your Technical Expertise
Be prepared to discuss your hands-on experience with low-latency networking and multicast technologies. Highlight specific projects where you designed, built, or maintained complex network systems, and be ready to explain the technical challenges you faced and how you overcame them.
✨Demonstrate Problem-Solving Skills
Since this role involves acting as a primary escalation point for complex issues, think of examples where you successfully resolved challenging network problems. Use the STAR method (Situation, Task, Action, Result) to structure your responses and clearly illustrate your thought process.
✨Familiarise Yourself with Relevant Tools
Make sure you are well-versed in the tools and technologies mentioned in the job description, such as F5 BIG-IP, Palo Alto firewalls, and network packet analysis tools. Being able to discuss your experience with these tools will demonstrate your readiness for the role.
✨Prepare Questions About the Role
Interviews are a two-way street, so prepare insightful questions about the company's network infrastructure, team dynamics, and future projects. This shows your genuine interest in the position and helps you assess if the company is the right fit for you.
