Senior network security engineer Work, Jobs in West Wickham, Gtl (with Salaries)

Senior Infrastructure Engineer
CGI —Leatherhead
- Full-time
- Azure
- Scripting
- Computer networking
Quick apply
Senior Security Engineer – Network Products
Bupa —London
- From £70,000 a year
- Full-time
- Hybrid work
- Azure
- AWS
- Computer networking
- Employee discount
- Gym membership
Quick apply
3d
Senior IT Engineer
doetaylor ltd —London
- £40,000 - £50,000 a year
- Full-time
- Hotel
- Driving
- Computer networking
Quick apply
13d
Senior Network and Security Engineer
CMC Markets —London
- Full-time
- Computer networking
- Financial services
- Communication skills
Senior Network Security Engineer
Natilik —London
- Full-time
- Hybrid work
- Communication skills
- Annual leave
- Employee assistance programme
Quick apply
Senior Network Security Engineer (Palo Alto SASE)
Natilik —London
- Full-time
- Hybrid work
- Azure
- Computer networking
- Communication skills
- Annual leave
- Employee assistance programme
Quick apply
Senior Cloud Engineer
Viridien —Crawley
- Full-time
- Hybrid work
- Azure
- AWS
- Continuous improvement
- Annual leave
Global IT Senior Site Reliability Engineer
Boston Consulting Group —London
- Full-time
- Hybrid work
- Azure
- AWS
- Travel
Senior Network Infrastructure Engineer , Vice President
State Street —London
- Full-time
- Hybrid work
- Computer Science
- Engineering
- AWS
Senior Security Engineer
Deliveroo —London
- Full-time
- Computer Science
- Engineering
- AWS
- Annual leave
Network Manager
Kew Gardens —Kew Gardens
- £46,556 - £53,882 a year
- Full-time
- Computer networking
- Contracts
- Annual leave
- Employee assistance programme
11d
Global IT Software Engineer Senior Director & Tech Area Lead - Marketing
Boston Consulting Group —London
- Full-time
- Agile
- AI
- Leadership
Senior Engineer I - People Technology
Wise Australia Investments —London
- £87,500 - £135,000 a year
- Project management
2d
Senior DevOps Engineer
U.S. Bank National Association —London
- £82,280 - £96,800 a year
- Full-time
- DevOps
- AWS
- Scripting
Senior Qualification Engineer
BAE Systems —Rochester
- £50,000 a year
- Project management
Senior Legal Intercept Engineer
Viasat, Inc. —London
- Full-time
- Project management
- Computer networking
- Software development
Senior IT Support Engineer - UK - Hybrid
Brave —London
- £100,000 - £120,000 a year
- Customer service
- JavaScript
- Organisational skills
Senior Infrastructure & Support Engineer
Tropic Skincare —Croydon
- £45,000 - £50,000 a year
- Hybrid work
- Azure
- Windows
- AWS
- Employee assistance programme
- Employee discount
Quick apply
Senior Solutions Engineer
Okta —London
- £108,000 - £160,000 a year
- Computer Science
- Sales
- Engineering
- Annual leave
Senior Security Engineer (Infrastructure)
Eeze —London
- Hybrid work
- Management
- Computer networking
- APIs
- Annual leave
- Employee assistance programme

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Senior Infrastructure Engineer

CGI -
Leatherhead

Quick apply

Job details

Permanent | Full-time

Benefits

Company pension

Qualifications

Azure
PKI
Virtualisation
Scripting
Computer networking
Linux
PowerShell
Active Directory

Full job description

CGI is helping shape the future of secure defence technology through the delivery of innovative, mission-critical infrastructure solutions.

As an Infrastructure Engineer, you will play a key role in supporting the deployment of a new on-premises cloud platform for the MOD, helping to deliver resilient, secure, and high-performing environments that enable operational success.

Working alongside experienced technical specialists, you will have the opportunity to take ownership of complex infrastructure challenges, contribute to meaningful outcomes, and support the successful delivery of a strategically important programme.

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.

The role is Hybrid with travel to our Leatherhead office in Surrey

Your future duties and responsibilities

In this role, you will join an established team delivering a secure on-premises cloud solution for the Ministry of Defence.

You will support the design, build, configuration, and testing of critical infrastructure components, ensuring they meet operational and security requirements. Your expertise will help deliver a robust environment that supports both cloud-hosted applications and the wider user infrastructure, including servers, desktops, and local area networks.

You will work closely with architects, project teams, clients, and technology partners to develop and implement infrastructure solutions aligned to business and technical objectives.

Taking ownership of infrastructure design and operational readiness, you will contribute to strategic decisions while helping to maintain high standards of security, documentation, and service delivery.

Key responsibilities:

Design & Deliver secure on-premises infrastructure solutions

Build & Configure servers, desktops, virtualisation platforms, and supporting services

Test & Validate infrastructure components against operational requirements

Harden & Secure environments to meet stringent security standards

Administer & Optimise Microsoft-based infrastructure technologies

Collaborate & Advise project teams, architects, vendors, and stakeholders

Create & Maintain technical documentation, standards, and templates

Support & Improve production, development, and test environments

Contribute & Influence infrastructure strategy and technology roadmaps

Troubleshoot & Resolve complex infrastructure issues

Required qualifications to be successful in this role

To succeed in this role, you will bring extensive infrastructure engineering experience gained within secure or highly regulated environments.

You will possess strong Microsoft platform expertise, a proactive approach to problem solving, and the ability to design, implement, and support enterprise-scale infrastructure solutions.

Experience working within defence or government environments would be highly advantageous.

Essential qualifications and experience:

You should have 10+ years’ experience in Wintel infrastructure engineering

Strong expertise in Active Directory and Group Policy administration

Proven experience administering Microsoft Hyper-V environments

Strong PowerShell scripting and automation skills

Experience implementing and supporting PKI solutions

Proven ability to design, build, and secure enterprise infrastructure

Experience working within highly secure or classified environments

Strong understanding of infrastructure security hardening principles

Excellent troubleshooting, documentation, and stakeholder engagement skills

Desirable qualifications and experience:

Experience with Linux administration

Azure Stack Hub experience

Network design and implementation experience

Previous MOD or wider Defence sector experience

Understanding of hybrid cloud and on-premises cloud environments

#LI-RB8

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

senior network security engineer jobs in west wickham, gtl

Senior Infrastructure Engineer

Senior Security Engineer – Network Products

Senior IT Engineer

Senior Network and Security Engineer

Senior Network Security Engineer

Senior Network Security Engineer (Palo Alto SASE)

Senior Cloud Engineer

Global IT Senior Site Reliability Engineer

Senior Network Infrastructure Engineer , Vice President

Senior Security Engineer

Network Manager

Global IT Software Engineer Senior Director & Tech Area Lead - Marketing

Senior Engineer I - People Technology

Senior DevOps Engineer

Senior Qualification Engineer

Senior Legal Intercept Engineer

Senior IT Support Engineer - UK - Hybrid

Senior Infrastructure & Support Engineer

Senior Solutions Engineer

Senior Security Engineer (Infrastructure)

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