At a Glance
- Tasks: Shape infrastructure for complex client solutions and ensure technology delivers real value.
- Company: CGI, a top-rated employer known for its collaborative culture and innovation.
- Benefits: Competitive salary, excellent pension, private healthcare, and a share scheme.
- Other info: Hybrid role with opportunities for career growth and inclusivity.
- Why this job: Join a friendly community of experts and influence impactful infrastructure decisions.
- Qualifications: Experience in infrastructure architecture and a passion for innovative tech solutions.
The predicted salary is between 56700 - 69300 £ per year.
At CGI, you’ll shape the infrastructure foundations behind complex client solutions, turning business needs into secure, scalable and high-performing architectures.
As a Senior Infrastructure Architect, you’ll take ownership of infrastructure decisions across bids, deals and projects, connecting solution architecture with practical implementation and ensuring technology delivers measurable value.
You’ll have the freedom to evaluate emerging technologies, challenge assumptions and create innovative approaches while balancing performance, cost and risk.
Working alongside solution architects, project teams, specialists and clients, you’ll be supported by CGI’s collaborative community while using your expertise to influence decisions, mentor colleagues and ensure infrastructure solutions remain aligned with both immediate delivery requirements and longer-term business goals.
CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times.
We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee.
We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant.
Join us and you’ll be part of an open, friendly community of experts.
We’ll train and support you in taking your career wherever you want it to go.
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position.
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Senior Infrastructure Architect in London employer: Onyx-Conseil
Onyx-Conseil is an excellent employer for those seeking a dynamic and rewarding career in infrastructure engineering. With a strong focus on employee development, the company offers numerous growth opportunities, a collaborative work culture, and the chance to work on impactful projects in secure environments. Located in Salford, employees benefit from a vibrant community and access to cutting-edge technology, making it an ideal place for professionals looking to enhance their skills and contribute to meaningful projects.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Infrastructure Architect 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 Onyx-Conseil 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 Onyx-Conseil.
✨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 Onyx-Conseil.
✨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 Onyx-Conseil 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 Infrastructure Architect 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 Onyx-Conseil.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Onyx-Conseil 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 Onyx-Conseil
✨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 Onyx-Conseil 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.
