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- Tasks: As a Network Architect, you'll support Defence clients in migrating network infrastructures and ensuring seamless transitions.
- Company: CGI is a leading IT Systems Integrator, recognised for innovation in Defence and security solutions.
- Benefits: Enjoy competitive salary, private healthcare, pension, and a share scheme that makes you a partner.
- Why this job: Join a supportive team, contribute to impactful Defence projects, and shape the future of technology.
- Qualifications: Strong experience in network architecture, systems integration, and migration projects is essential.
- Other info: This role requires UK DV Security Clearance and is fully on-site near Chippenham.
The predicted salary is between 43200 - 72000 £ per year.
Category: Architecture
Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application.
Main location: United Kingdom, England – South West, Chippenham
Position ID: J0125-0870
Employment Type: Full Time
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Position Description:
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.
CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. 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 programme\’s security requirements, you must be a single UK national with UK DV Security Clearance or be eligible to obtain it. This role is fully on-site near Chippenham, 5 days a week.
Your future duties and responsibilities:
As a Network Architect, you will play a key role in supporting our Defence client as they define and deliver their migration strategy. You will work alongside a cross-functional team to ensure the seamless transition of network infrastructures, particularly in VMware environments. Your expertise in networking, security, and systems integration will be essential in enabling a secure and efficient transformation.
You will be responsible for analysing network requirements, assessing proposed changes, and supporting the Lead Architect in addressing technical and business dependencies. Additionally, you will define and run pilot tests to validate network designs, ensuring that future migrations are de-risked and align with client objectives.
In this role, you will:
• Assess and analyse network requirements to facilitate seamless transitions.
• Support the Lead Architect in identifying cross-cutting technical and business dependencies.
• Evaluate and validate network design changes to ensure security and efficiency.
• Define and conduct pilot tests to de-risk future migrations.
• Shape architectural decisions to align with client goals and migration strategies.
Your Impact:
You’ll be a key contributor to a wider programme supporting transformation by:
• Enabling migration outcomes through expertise and phased delivery.
• Building on lessons learned from test activities to improve strategies.
• Informing current and future cloud roadmaps and transition environments.
Required qualifications to be successful in this role:
To excel in this role, you will need strong experience in network architecture, systems integration, and migration projects. You should have a deep understanding of designing and implementing network solutions, with the ability to prioritise tasks in a complex and dynamic environment. Strong problem-solving skills and the ability to make informed architectural decisions are crucial for success.
Expertise in VMware environments, cloud networking, and security best practices will be highly beneficial. Familiarity with Defence operations and knowledge of DevSecOps practices will be considered an advantage. Your ability to collaborate with stakeholders and contribute to shaping future cloud roadmaps will be key to driving impactful change.
We\’re looking for a range of the following:
• Extensive experience in network architecture, engineering, and systems integration.
• Strong background in migration projects and phased delivery strategies.
• Proven ability to lead, prioritise, and manage complex technical challenges.
• Exceptional skills in network requirements analysis and solution delivery.
• Familiarity with Defence operations and DevSecOps practices is desirable.
Why Join Us?
• Contribute to a project that shapes the future of Defence solutions.
• Work alongside talented professionals in a supportive, dynamic team.
• Leverage CGI’s expertise and resources to drive impactful change.
Ready to make a difference? Let’s connect and explore how you can lead in this exciting role!
Apply now to join the team and be part of transforming Defence technology.
#LI-JW1
Skills:
Integration Management
Network Architecture
Detail-oriented
What you can expect from us:
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.
Contact Detail:
CGI Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Network Architect (DV Security Clearance)
✨Tip Number 1
Familiarise yourself with the specific technologies mentioned in the job description, particularly VMware environments and cloud networking. Being able to discuss your hands-on experience with these technologies during an interview will demonstrate your suitability for the role.
✨Tip Number 2
Network with professionals in the defence sector or those who have worked at CGI. Engaging with current employees on platforms like LinkedIn can provide you with insights into the company culture and expectations, which can be invaluable during your interview.
✨Tip Number 3
Prepare to discuss your experience with migration projects and how you've successfully managed complex technical challenges in the past. Be ready to share specific examples that highlight your problem-solving skills and ability to work collaboratively with cross-functional teams.
✨Tip Number 4
Since this role requires DV Security Clearance, ensure you understand the requirements and process for obtaining it. Being knowledgeable about this aspect can show your commitment and readiness for the position, making you a more attractive candidate.
We think you need these skills to ace Network Architect (DV Security Clearance)
Some tips for your application 🫡
Understand the Role: Before applying, make sure you fully understand the responsibilities and requirements of the Network Architect position. Familiarise yourself with key terms like network architecture, systems integration, and VMware environments.
Tailor Your CV: Customise your CV to highlight relevant experience in network architecture and migration projects. Use specific examples that demonstrate your problem-solving skills and ability to manage complex technical challenges.
Craft a Compelling Cover Letter: Write a cover letter that connects your skills and experiences to the job description. Emphasise your understanding of Defence operations and your familiarity with DevSecOps practices, if applicable.
Proofread Your Application: Before submitting, carefully proofread your application materials for any spelling or grammatical errors. A polished application reflects your attention to detail and professionalism.
How to prepare for a job interview at CGI
✨Understand the Role
Make sure you have a solid grasp of what a Network Architect does, especially in the context of Defence. Familiarise yourself with the specific responsibilities mentioned in the job description, such as analysing network requirements and supporting migration strategies.
✨Showcase Your Experience
Prepare to discuss your previous experience in network architecture and systems integration. Be ready to provide examples of past projects, particularly those involving VMware environments or migration strategies, to demonstrate your expertise.
✨Highlight Problem-Solving Skills
Since the role requires strong problem-solving abilities, think of scenarios where you've successfully tackled complex technical challenges. Be prepared to explain your thought process and how you arrived at your solutions.
✨Familiarise Yourself with Security Practices
Given the importance of security in this role, brush up on your knowledge of security best practices and DevSecOps. Being able to discuss these topics confidently will show that you understand the critical nature of the work you'll be doing.
