At a Glance
- Tasks: Design and maintain cutting-edge infrastructure for AI and automotive systems.
- Company: Join a leading tech firm at the forefront of AI innovation.
- Benefits: Competitive pay, flexible working, and opportunities for professional growth.
- Other info: Work in a dynamic environment with a focus on collaboration and innovation.
- Why this job: Be part of transformative projects that shape the future of technology.
- 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.
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Senior Network and Infrastructure Engineer 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
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We think you need these skills to ace Senior Network and Infrastructure Engineer
Some tips for your application 🫡
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How to prepare for a job interview at Cognitive Group | Part of the Focus Cloud Group
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that Cognitive Group | Part of the Focus Cloud Group uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
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Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at Cognitive Group | Part of the Focus Cloud Group that you can learn on the job and deliver results in a short timeframe!
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Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest Cognitive Group | Part of the Focus Cloud Group, so it's relevant and sparks conversation during your interview.
