Senior security engineer Work, Jobs in Shrivenham, Oxf (with Salaries)

Senior Infrastructure Engineer (DV Security Clearance)
CGI —Chippenham
- Full-time
- System design
- Linux
Quick apply
Senior UAV Pilot / Drone Flight Test Engineer
UAVTEK —Aldsworth
- £35,000 - £65,000 a year
- Full-time
- Military
- Analysis skills
- No degree
Quick apply
Senior Network Engineer (DV Security Clearance)
CGI —Chippenham
- Full-time
- Communication skills
Quick apply
Senior Infrastructure Engineer
Wasdell Packaging Ltd —Swindon
- £50,000 - £60,000 a year
- Full-time
- Azure
- SharePoint
- IT
- Free parking
Quick apply
14d
Chief Engineer
Leidos —Ham
- £98,800 - £131,700 a year
- Full-time
- Microsoft Excel
- Microsoft Office
- Leadership
- Annual leave
- Work from home
Chief Engineer - Systems
Leidos —Ham
- £75,800 - £99,800 a year
- Full-time
- Hybrid work
- Engineering
- Maintenance
- Leadership
- Annual leave
- Work from home
Senior Product Security Engineer II
Elsevier —Oxford
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
- Flexible schedule
11d
Senior Product Security Engineer II
RELX —Oxford
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
- Flexible schedule
11d
Senior Systems Engineer – Optical Ground Systems
Archangel Lightworks —Oxford
- Full-time
- Azure
- DevOps
- Engineering
Quick apply
Senior Systems Integration & Test Engineer
Leidos —Ham
- £61,500 - £78,800 a year
- Full-time
- Agile
- Communication skills
- Annual leave
- Work from home
Senior integration Test Engineer
Leidos —Ham
- £47,600 - £61,000 a year
- Full-time
- Hybrid work
- Organisational skills
- Communication skills
- Time management
- Annual leave
- Work from home
Senior Manufacturing Engineer
Tekever —Swindon
- Engineering
- Assembly
Quick apply
Senior Cyber Security Engineer
Siemens —Chippenham
- Full-time
- Mentoring
- Leadership
- Communication skills
VodafoneThree - Senior Engineer - Gateway Functions
VodafoneThree —Newbury
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Employee discount
Quick apply
Senior UAV Systems Engineer
SKD SE —Swindon
- Full-time
- Travel
- Communication skills
12d
VodafoneThree - Senior Engineer
VodafoneThree —Newbury
- Full-time
- Hybrid work
- Employee discount
Quick apply
Senior Project Engineer
UK Atomic Energy Authority —Culham
- £57,117 a year
- Full-time
- Hybrid work
- Engineering
- Annual leave
- Employee assistance programme
Quick apply
2d
Senior RF Engineer
MDA Space and Robotics Ltd —Didcot
- Hybrid work
- Employee assistance programme
- Life insurance
Senior IT Service Desk Engineer
Webexpenses —Witney
- Full-time
- Travel
- Leadership
Quick apply
Senior Supervisor/Lead Production/Maintenance/Repair/Facilities Engineer - Swindon, UK
Amazon UK Services Ltd. —Swindon
- Weekend availability
- Maintenance
- English
- Programmable logic controllers
- Flexible schedule

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Senior Infrastructure Engineer (DV Security Clearance)

CGI -
Chippenham

Quick apply

Job details

Permanent | Full-time

Benefits

Company pension

Qualifications

Microsoft Windows Server
SSO
Kubernetes
System design
Virtualisation
VMWare
Linux

Full job description

At CGI, you will play a pivotal role in delivering secure, scalable infrastructure solutions that underpin critical operations across the Space, Defence and Intelligence sectors. Working at the forefront of innovation, you will design, build and manage modern enterprise environments that enable mission success and drive measurable outcomes for our clients. You will contribute to high-impact programmes, shaping resilient platforms while collaborating with experts in a culture that values accountability, technical creativity, and continuous development.

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 position will be based in the CGI Chippenham office 5 days a week.

Your future duties and responsibilities

In this role, you will design, build and manage secure, high-performing infrastructure environments that support critical defence and intelligence operations. You will take ownership of delivering robust platforms across virtualised, cloud and software-defined environments, contributing to solution design and influencing key technical decisions. Working closely with architecture, security and delivery teams, you will help shape resilient systems while continuously identifying opportunities to optimise, modernise and automate infrastructure services.

You will play a key role in ensuring systems are reliable, scalable and aligned with strict security requirements, while also supporting complex troubleshooting and ongoing improvements. Your contributions will directly impact programme success, enabling innovative solutions in highly secure environments while being supported by a collaborative and forward-thinking team.

Build & Configure: Develop enterprise infrastructure environments across virtualised and cloud platforms

Deploy & Optimise: Implement and enhance VMware, VxRail and NSX-based solutions

Operate & Maintain: Manage day-to-day infrastructure operations, ensuring performance and availability

Architect & Secure: Design network and cross-domain solutions aligned to security standards

Support & Resolve: Provide 2nd/3rd line support and resolve complex infrastructure issues

Collaborate & Deliver: Work with cross-functional teams to deliver high-quality, timely solutions

Automate & Improve: Identify optimisation opportunities and contribute to automation initiatives

Required qualifications to be successful in this role

You will bring strong experience in enterprise infrastructure engineering within defence or secure environments, with a focus on virtualisation, cloud technologies and secure system design. A solid understanding of infrastructure lifecycle management, combined with hands-on technical expertise, will enable you to contribute effectively to complex, high-impact programmes.

Proven experience working in Defence or secure environments

Strong knowledge of enterprise infrastructure (compute, storage, networking)

Hands-on experience with VMware technologies (including Cloud Foundation, VxRail)

Experience designing or supporting cross-domain solutions

Understanding of infrastructure lifecycle management and best practices

Experience implementing and managing SSO solutions

Experience with Kubernetes platforms, ideally VKS

Familiarity with security standards, processes and policies in Defence (desirable)

Exposure to automation tools and Infrastructure as Code (desirable)

Knowledge of hybrid or multi-cloud environments (desirable)

Strong Linux and/or Windows Server administration skills (desirable)

#LI-SB2

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 security engineer jobs in shrivenham, oxf

Senior Infrastructure Engineer (DV Security Clearance)

Senior UAV Pilot / Drone Flight Test Engineer

Senior Network Engineer (DV Security Clearance)

Senior Infrastructure Engineer

Chief Engineer

Chief Engineer - Systems

Senior Product Security Engineer II

Senior Product Security Engineer II

Senior Systems Engineer – Optical Ground Systems

Senior Systems Integration & Test Engineer

Senior integration Test Engineer

Senior Manufacturing Engineer

Senior Cyber Security Engineer

VodafoneThree - Senior Engineer - Gateway Functions

Senior UAV Systems Engineer

VodafoneThree - Senior Engineer

Senior Project Engineer

Senior RF Engineer

Senior IT Service Desk Engineer

Senior Supervisor/Lead Production/Maintenance/Repair/Facilities Engineer - Swindon, UK

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