Infrastructure security engineer Work, Jobs in Yeading (with Salaries)

Infrastructure Engineer (DV Security Clearance)
CGI —Leatherhead
- Full-time
- Computer networking
Quick apply
Security Engineer III - Infrastructure
Tesco UK —Welwyn Garden City
- Full-time
- Azure
- Linux
- Employee assistance programme
5d
Anthropic Fellows Program, AI Safety
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Maths
- Bachelor's degree
- APIs
- Flexible schedule
Security Infrastructure Engineer
BAE Systems —Guildford
- Hybrid work
- Travel
- Computer networking
- Linux
Infrastructure Security Engineer
ElevenLabs —London
- Full-time
- Remote
- AWS
- Machine learning
- Linux
Infrastructure and Security Engineer
Fortnum & Mason —London
- Full-time
- Azure
- Travel
- Scripting
Senior Security Engineer (Infrastructure)
Eeze —London
- Hybrid work
- Management
- Computer networking
- APIs
- Annual leave
- Employee assistance programme
Anthropic Fellows Program, AI Security
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Master's degree
- Maths
- Bachelor's degree
- Flexible schedule
Senior Infrastructure Engineer
CGI —Leatherhead
- Full-time
- Azure
- Scripting
- Computer networking
Quick apply
IT Infrastructure Engineer
QinetiQ —Farnborough
- £51,250 - £57,250 a year
- Full-time
- Travel
- IT
- Employee discount
Cyber Security Engineer
Foresters Financial —Bromley
- Up to £60,000 a year
- Full-time
- Computer networking
- Communication skills
- Work from home
- Employee assistance programme
Security Engineer (SIEM) – SC Eligible – Government Projects
ByDesign Secure —London
- £625 a day
- Temporary
- Hybrid work
- Agile
- In-person
- Communication skills
Quick apply
Anthropic Fellows Program
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Master's degree
- Maths
- Bachelor's degree
- Flexible schedule
Infrastructure Engineer
Signet —Watford
- Full-time
- Hybrid work
- Azure
- Microsoft Office
- AWS
- Employee discount
3d
Infrastructure Engineer
Larian Studios —Guildford
- Full-time
- Azure
- Windows
- AWS
Infrastructure Engineer
OLIX —London
- £88,000 a year
- Full-time
- Computer Science
- DevOps
- Bachelor's degree
Senior IT Engineer
doetaylor ltd —London
- £40,000 - £50,000 a year
- Full-time
- Hotel
- Driving
- Computer networking
Quick apply
Senior IT Engineer (Information Security Focus)
The Keyholding Company —London
- £40,000 - £50,000 a year
- Full-time
- Hybrid work
- Azure
- AWS
- IT
- Work from home
- Employee assistance programme
Quick apply
Infrastructure Engineer
Boxxe Group —Hemel Hempstead
- Remote
- Scripting
- Computer networking
- Linux
Quick apply
Infrastructure Engineer
NPL —Teddington
- Microsoft Office
- Computer networking
- Linux

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Infrastructure Engineer (DV Security Clearance)

CGI -
Leatherhead

Quick apply

Job details

Permanent | Full-time

Benefits

Company pension

Qualifications

Microsoft Windows Server
LAN
Disaster recovery
Firewall
DHCP
WAN
Computer networking
DNS
SAN
Active Directory
Network Security
VPN

Full job description

At CGI, we deliver secure, resilient infrastructure solutions that underpin critical national programmes. As an Infrastructure Engineer, you will take ownership of complex network, storage, and server environments that enable high-impact outcomes for our defence clients. We design and manage robust, secure architectures that drive operational excellence and long-term resilience. Joining CGI means shaping secure digital foundations, applying innovative thinking to complex challenges, and collaborating with trusted experts in a culture that values accountability, growth, and continuous improvement.

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 must hold Higher Level Clearance and be willing to undergo further clearance. This is a hybrid position based in Leatherhead, with 3–4 days per week onsite.

Your future duties and responsibilities

In this role, you will take full engineering ownership of secure infrastructure environments, designing, implementing, and maintaining network, storage, and Windows Server platforms that support critical defence operations. You will manage your own workload under project guidance, ensuring solutions are delivered to the highest standards of performance, resilience, and security.

You will proactively monitor and optimise infrastructure, resolve complex technical issues, and drive continuous improvement across network and storage systems. Working closely with stakeholders, you will ensure compliance with security policies while delivering robust, scalable solutions that safeguard data integrity and availability.

> Design & Implement complex LAN, WAN, and cloud-based network architectures

> Configure & Secure firewalls, routers, switches, VPNs, and access controls

> Monitor & Optimise network performance, availability, and security

> Manage & Maintain SAN, NAS, backup, and disaster recovery solutions

> Administer & Support Windows Server environments, including AD, DNS, DHCP, and Group Policy

> Protect & Govern data through patch management, updates, and security compliance

Required qualifications to be successful in this role

To succeed, you will bring strong hands-on experience across secure network, storage, and Windows Server environments within defence or highly regulated settings. You will demonstrate the ability to take technical ownership, manage competing priorities, and deliver resilient infrastructure solutions aligned to strict security standards.

> You must hold Higher Level Clearance and be willing to undergo HLC

> Proven experience designing and managing LAN, WAN, and secure network architectures

> Strong expertise in firewalls, routers, switches, VPNs, and network security

> Hands-on experience with SAN, NAS, backup, and disaster recovery solutions

> Strong Windows Server administration skills (Active Directory, DNS, DHCP, Group Policy)

> Experience with patch management, system upgrades, and access control governance

> Ability to manage workload independently while collaborating effectively with stakeholders

#LI-JS2

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.

Quick apply

Refine Your Search

infrastructure security engineer jobs in yeading

Infrastructure Engineer (DV Security Clearance)

Security Engineer III - Infrastructure

Anthropic Fellows Program, AI Safety

Security Infrastructure Engineer

Infrastructure Security Engineer

Infrastructure and Security Engineer

Senior Security Engineer (Infrastructure)

Anthropic Fellows Program, AI Security

Senior Infrastructure Engineer

IT Infrastructure Engineer

Cyber Security Engineer

Security Engineer (SIEM) – SC Eligible – Government Projects

Anthropic Fellows Program

Infrastructure Engineer

Infrastructure Engineer

Infrastructure Engineer

Senior IT Engineer

Senior IT Engineer (Information Security Focus)

Infrastructure Engineer

Infrastructure Engineer

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