Security systems engineer Work, Jobs in Clifton, Bst (with Salaries)

Senior Infrastructure Engineer (Windows & VDI)
Thorn SDS Ltd —Corsham
- £65,000 - £75,000 a year
- Full-time
- Communication skills
- Annual leave
- Life insurance
Quick apply
Graduate & Entry Level Opportunities
Nova Group —Bristol
- £1,500 - £3,000 a month
- Full-time
- Hybrid work
- Annual leave
- Work from home
Network Infrastructure Engineer
AIRBUS Defence and Space Limited —Newport
- Full-time
- Hybrid work
- Free parking
- Employee assistance programme
Senior Principal Systems Engineer
One Big Circle —Bristol
- £40,000 - £65,000 a year
- Full-time
- Research
- Organisational skills
- In-person
Quick apply
14d
Junior Application Software Engineer
One Big Circle —Bristol
- £26,500 - £32,000 a year
- Full-time
- AWS
- Software development
- In-person
Quick apply
7d
NOC Engineer – 24x7 Bristol area and work from home 24x7 shift pattern - £40k
Incite Insight —Bristol
- £40,000 a year
- Remote
- Work from home
Quick apply
5d
Safety Engineer - Speculative Talent Pipeline
Rowden —Bristol
- £32,000 - £70,000 a year
- Full-time
- Hybrid work
- Analysis skills
- Presentation skills
- Continuous improvement
Quick apply
Junior Software Developer - Device
One Big Circle —Bristol
- £26,500 - £30,000 a year
- Full-time
- In-person
Quick apply
14d
Senior Infrastructure Engineer (Windows & VDI)
Thorn SDS —Corsham
- £65,000 - £75,000 a year
- Full-time
- Communication skills
- Annual leave
- Life insurance
Software Engineer (Mid and Senior Levels)
One Big Circle —Bristol
- £36,000 - £70,000 a year
- Full-time
- Machine learning
- In-person
- Communication skills
Quick apply
7d
Systems Administrator - Spacecraft Control Centre
AIRBUS Defence and Space Limited —Chippenham
- Full-time
- Hybrid work
- Maintenance
- Free parking
- Employee assistance programme
Technical Lead - Complex Trials
QinetiQ —Bristol
- £56,000 - £62,250 a year
- Full-time
- Engineering
- Leadership
- Communication skills
- Employee discount
2nd Line Infrastructure Engineer
Shaw Healthcare —Saint Mellons
- £42,000 a year
- Azure
- Communication skills
DevOps Engineer
Scaletek —Bristol
- £60,000 - £75,000 a year
- Full-time
- Hybrid work
- DevOps
- AWS
- In-person
Quick apply
QA Analyst
Clue Software —Bristol
- Up to £50,000 a year
- Hybrid work
- Communication skills
- Time management
14d
Pipe Support Engineer
Holtec —Almondsbury
- £110,000 - £135,000 a year
- Engineering
- Bachelor's degree
- Communication skills
- Health & wellbeing programme
- Annual leave
Quick apply
Systems Safety Engineer
Expleo —Filton
- Engineering
- Master's degree
- Bachelor's degree
Equipment Requirement Authority – Weapon System Equipment
MBDA —Bristol
- £45,000 - £57,000 a year
- Overtime
- Hybrid work
- Free parking
Senior Network Engineer
Thorn SDS Ltd —Corsham
- £65,000 - £75,000 a year
- Full-time
- Communication skills
- Annual leave
- Life insurance
Quick apply
Pipe Stress Engineer
Holtec —Almondsbury
- £110,000 - £135,000 a year
- Engineering
- Bachelor's degree
- Health & wellbeing programme
- Annual leave
Quick apply

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Senior Infrastructure Engineer (Windows & VDI)

Thorn SDS Ltd -
Corsham

Quick apply

Job details

Full-time
£65,000 - £75,000 a year

Benefits

Annual leave
Company pension
Life insurance
Referral programme

Qualifications

Microsoft Windows Server
Technical troubleshooting
Performance tuning
Technology infrastructure experience
Systems administration experience
IT service management
Microsoft SQL Server
IT support
Technical writing
Root cause analysis
Communication skills

Full job description

Help deliver the infrastructure behind the UK's critical defence operations.

Are you an experienced Infrastructure Engineer with expertise in Windows Server and Virtual Desktop Infrastructure?

We're looking for a Senior Infrastructure Engineer (Windows & VDI) to join a nationally significant UK Defence programme, supporting the Windows infrastructure and virtual desktop environments that enable critical operational capabilities across the UK and overseas.

If you enjoy solving complex infrastructure challenges, working with enterprise-scale Microsoft technologies and supporting systems where resilience and security are paramount, this is an opportunity to make a genuine impact while developing your career in one of the UK's most advanced secure IT environments.

About Thorn SDS

Thorn SDS is a specialist Managed Service Provider headquartered in Alton, Hampshire. We partner with organisations across the Space, Defence and Security sectors, connecting exceptional technical professionals with some of the UK's most challenging and rewarding programmes.

About the Programme

You'll be joining a major transformation programme modernising the Ministry of Defence's deployable IT capability.

The programme is replacing legacy communication and information systems with modern, resilient and secure platforms.

As part of the Through Life Support (TLS) team, you'll help ensure these critical services remain secure, available and fully operational throughout their lifecycle.

The Role

As a Senior Infrastructure Engineer (Windows & VDI), you'll provide advanced 2nd and 3rd line support across enterprise Windows infrastructure and Virtual Desktop environments that underpin mission-critical defence systems.

Working within the Service Operations and Resolver Group teams, you'll investigate complex incidents, maintain critical Microsoft platforms and collaborate with infrastructure, networking and application specialists to ensure services remain resilient, secure and highly available.

Please note: This role focuses exclusively on Microsoft Windows infrastructure and VDI technologies. Linux administration is not part of this position.

What You'll Be Doing

Supporting, maintaining and troubleshooting enterprise Windows Server environments (2016, 2019 and 2022).
Administering Active Directory, Group Policy, DNS, DHCP and core Microsoft infrastructure services.
Managing Microsoft SQL Server environments.
Providing advanced 2nd and 3rd line support across Windows infrastructure and VDI platforms.
Supporting and maintaining Citrix Virtual Apps & Desktops and/or VMware Horizon environments.
Deploying operating system updates, security patches and infrastructure improvements.
Monitoring infrastructure health, performance and capacity to ensure maximum availability.
Investigating complex technical issues and carrying out root cause analysis.
Supporting ITIL-aligned incident, problem and change management processes.
Working collaboratively with networking, application and service teams to improve platform resilience and performance.
Producing and maintaining technical documentation, knowledge articles and operational procedures.

What We're Looking For

You'll be an experienced Infrastructure Engineer who enjoys working in secure, enterprise-scale environments and solving complex technical challenges.

You'll ideally have experience with:

Windows Server 2016, 2019 and 2022 administration.
Active Directory, Group Policy, DNS and DHCP.
Microsoft SQL Server.
Citrix Virtual Apps & Desktops and/or VMware Horizon.
Enterprise Windows infrastructure support.
ITIL service management processes.
Network fundamentals and Windows application support.
Performance tuning, patch management and infrastructure optimisation.
Secure, regulated or defence environments (highly desirable).

You'll also have excellent analytical, troubleshooting and communication skills and be comfortable working full-time onsite in Corsham.

What's In It For You?

Alongside a competitive salary, you'll receive:

25 days' annual leave plus Bank Holidays.
Employer pension contributions.
Group Life Insurance.
Dental & Health Cashback Plan.
Wellbeing services including GP access, physiotherapy and lifestyle savings.
Thorn Wellbeing Support Contribution.
Employee Referral Scheme.
Supported training, certifications and professional development.
The opportunity to work on one of the UK's most significant defence technology programmes.
Exposure to enterprise-scale Microsoft infrastructure within a highly secure environment.
The chance to collaborate with experienced engineers on technically complex projects that have a genuine operational impact.

Security Requirements

Applicants must have the right to work in the UK and either already hold, or be eligible to obtain, a high level of UK National Security Clearance.

Please note that, due to the nature of our work, nationality, previous nationalities and country of birth may affect eligibility for certain security-cleared positions.

Apply Now

If you're an experienced Infrastructure Engineer looking to work on complex Microsoft technologies in a secure, mission-critical environment, we'd love to hear from you.

Apply today and join Thorn SDS to help deliver the resilient infrastructure that supports the UK's defence capability.

Quick apply

Refine Your Search

security systems engineer jobs in clifton, bst

Senior Infrastructure Engineer (Windows & VDI)

Graduate & Entry Level Opportunities

Network Infrastructure Engineer

Senior Principal Systems Engineer

Junior Application Software Engineer

NOC Engineer – 24x7 Bristol area and work from home 24x7 shift pattern - £40k

Safety Engineer - Speculative Talent Pipeline

Junior Software Developer - Device

Senior Infrastructure Engineer (Windows & VDI)

Software Engineer (Mid and Senior Levels)

Systems Administrator - Spacecraft Control Centre

Technical Lead - Complex Trials

2nd Line Infrastructure Engineer

DevOps Engineer

QA Analyst

Pipe Support Engineer

Systems Safety Engineer

Equipment Requirement Authority – Weapon System Equipment

Senior Network Engineer

Pipe Stress Engineer

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