At a Glance
- Tasks: Design and maintain cutting-edge enterprise infrastructure for AI and automotive systems.
- Company: Join a leading tech company at the forefront of AI and automotive innovation.
- Benefits: Competitive pay, flexible working arrangements, and opportunities for professional growth.
- Other info: Work in a fast-paced environment with excellent career advancement potential.
- Why this job: Be part of a dynamic team shaping the future of technology and infrastructure.
- Qualifications: 8+ years in Infrastructure Engineering with strong Linux and networking skills.
The predicted salary is between 63000 - 77000 £ per year.
We are seeking an experienced Senior Infrastructure & Network Engineer to join our AI and automotive systems end customer.
This role is responsible for designing, maintaining and evolving enterprise infrastructure, with a strong focus on Linux systems, networking, automation and operational excellence.
Working across both on-premises and cloud environments, you will deliver resilient, secure and scalable infrastructure supporting engineering, development and operational teams.
You will lead production changes, support critical incidents and drive infrastructure automation through Infrastructure as Code practices.
This is a hands-on technical role requiring deep expertise in Linux, enterprise networking and infrastructure engineering.
You will work independently, collaborate across multidisciplinary engineering teams and play a key role in ensuring the reliability, security and performance of business-critical infrastructure underpinning AI development and automotive systems.
Essential Skills & Experience
- 8+ years' experience in Infrastructure Engineering, Network Engineering, Dev Ops or a closely related discipline.
- Extensive hands-on Linux systems administration experience.
- Strong knowledge of Linux command-line administration, package management and systemd.
- Deep understanding of Linux networking and production troubleshooting.
- Experience performing operating system upgrades across large Linux estates, ideally Ubuntu.
• Strong understanding of networking technologies including
- TCP/IP
- DNS
- DHCP
- Routing and Switching
- VLANs
- VPNs
- Firewalls
- Hands-on experience with enterprise networking platforms such as Juniper, Cisco, Mikro Tik and Uni Fi.
- Experience delivering live production network changes, upgrades and migrations.
- Strong knowledge of network security, including segmentation, 802.1X, RADIUS, PKI/certificate infrastructure and secure site-to-site connectivity.
- Strong scripting skills using Bash and/or Python.
- Experience with Infrastructure as Code tools such as Terraform and Ansible.
- Experience using Git and modern change management practices.
- Experience supporting hybrid on-premises and cloud infrastructure.
- Excellent troubleshooting and analytical skills.
- Ability to work independently in fast-paced, highly technical environments.
- Calm, pragmatic and delivery-focused under pressure.
Desirable Skills & Experience Experience in one or more of the following would be advantageous:
- Microsoft Azure or other public cloud platforms.
- Leading or backfilling senior network engineering responsibilities.
- Enterprise deployment of 802.1X, RADIUS and certificate infrastructure.
- Building network staging, lab or test environments.
- Developing CI pipelines for network configuration validation.
- Large-scale Juniper migration programmes.
- Terraform-based management of network devices including Mikro Tik.
- Multi-site enterprise networking environments.
- Hybrid cloud connectivity.
- Fleet-based infrastructure or large-scale data offloading platforms.
- AI, machine learning, robotics, mapping, autonomy or embodied AI environments.
- Professional networking certifications such as Cisco CCNP, Juniper JNCIS/JNCIP or equivalent.
This is an inside IR35 Contract role working via umbrella company so please only apply for this role if you are able to work on this basis.
You will be required onsite 3-4 days per week in Central London.
#J-18808-Ljbffr
Senior Network and Infrastructure Engineer in London employer: Cognitive Group | Part of the Focus Cloud Group
As a leading Microsoft consultancy, we pride ourselves on fostering a dynamic work culture that champions innovation and continuous learning. Our Technical Copilot Trainer role offers not only the opportunity to engage with cutting-edge AI technologies but also provides a clear pathway for career advancement into AI Consulting or Solution Architecture. With a hybrid working model based in London, employees benefit from a collaborative environment while enjoying the flexibility to balance their professional and personal lives.
Contact Details:
Cognitive Group | Part of the Focus Cloud Group Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior Network and Infrastructure Engineer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Cognitive Group | Part of the Focus Cloud Group or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Cognitive Group | Part of the Focus Cloud Group.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Cognitive Group | Part of the Focus Cloud Group.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Cognitive Group | Part of the Focus Cloud Group that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Network and Infrastructure Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Cognitive Group | Part of the Focus Cloud Group.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Cognitive Group | Part of the Focus Cloud Group and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Cognitive Group | Part of the Focus Cloud Group
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Cognitive Group | Part of the Focus Cloud Group uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
