Senior platform engineer Work, Jobs (with Salaries)

Senior Platform Engineer
Thorn SDS —Hereford
- £65,000 - £75,000 a year
- Full-time
- Azure
- DevOps
- AWS
- Annual leave
- Life insurance
Senior or Staff Software Engineer, SRE/ Platform Team
OneSignal —Remote
- £100,000 - £145,000 a year
- Full-time
- Azure
- SQL
- AWS
Senior Platform Engineer, WebExtensions
Mozilla —Remote
- £66,000 - £87,000 a year
- Remote
- C++
- JavaScript
- Software development
- Employee assistance programme
- Referral programme
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 Backend Engineer - AI Platform (f/m/d)
Contentful —Remote
- Full-time
- Remote
- Azure
- AWS
- Machine learning
- Annual leave
Senior M365 Platform Engineer
BCA —Hook
- Up to £52,000 a year
- Monday to Friday
- Hybrid work
- Analysis skills
- Mentoring
- SharePoint
- Employee assistance programme
- Employee discount
Quick apply
Senior Staff+ Software Engineer, Kubernetes Platform
Anthropic —London
- £325,000 - £485,000 a year
- Hybrid work
- AWS
- C++
- Bachelor's degree
- Flexible schedule
Senior/Principal Platform Engineer
Paebbl —London
- £90,000 - £110,000 a year
- Hybrid work
- AWS
- Computer networking
- Python
- Annual leave
Senior Embedded & Platform Software Engineer, Workforce Development
Arm —Cambridge
- £73,500 - £99,500 a year
- Hybrid work
- Computer Science
- Linux
AWS Senior Platform Engineer - UK Security Clearance eligibility required
Appvia —London
- £75,000 - £90,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- AWS
- Employee assistance programme
- Flexible schedule
Quick apply
Senior Data Engineer
Ecotricity —Remote
- £60,000 - £70,000 a year
- Full-time
- Hybrid work
- SQL
- AWS
- Python
- Free parking
- Work from home
Quick apply
10d
Senior Site Reliability Engineer (Remote UK)
TechInsights —Remote
- £77,600 - £82,200 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Engineering
- Gym membership
Quick apply
Senior Consultant, Platform Engineer, Solutions, Engineering, AI & Data
Deloitte —Belfast
- Hybrid work
- Azure
- AWS
- Scripting
Senior Software Engineer (Go)
Form3 —Remote
- £160,000 - £240,000 a year
- Remote
- Azure
- Java
- AWS
Senior Platform Engineer
Capgemini —Telford
- Hybrid work
- Azure
- AWS
- Leadership
Senior Technical Information Services Engineer
BAE Systems —Prestwick
- From £55,498 a year
- Hybrid work
- Military
- Supervising experience
- No degree
Senior Platform Engineer- Continuous Delivery (CD)
Wise —London
- £87,500 - £111,000 a year
- Full-time
- Hybrid work
- Java
- AWS
- Computer networking
Quick apply
Senior Platform Engineer - Contract - Outside IR35
Mindera —London
- Hybrid work
- Windows
- Scripting
- Linux
Quick apply
Senior Platform Engineer
LSL Property Services —Kettering
- Full-time
- Microsoft Access
- Azure
- Windows
Senior Platform Engineer
Automata —London
- £70,000 - £80,000 a year
- Hybrid work
- Windows
- AWS
- Travel
- Employee assistance programme

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Senior Platform Engineer

Thorn SDS -
Hereford

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Job details

Permanent | Full-time
£65,000 - £75,000 a year

Benefits

Cycle to work scheme
Annual leave
Company pension
Life insurance

Qualifications

Microsoft Windows Server
Azure
Kubernetes
Ansible
DevOps
CISSP
Bash (Unix shell)
AWS
Docker
NIST standards
Terraform
Scrum
Agile
Linux
CompTIA Security+
Jenkins
GitLab
Python
PowerShell

Full job description

Thorn SDS is a niche Managed Service Provider with a Head Office based in Alton, Hampshire, who are committed to enabling technology organisations and professionals to thrive within the Space, Defence and Security sectors. We are currently looking for an experienced Platform Engineer to work onsite, 5 days per week, at a secure site in Hereford.

About the Role

This role is critical in designing, building, and maintaining secure, scalable, and resilient platform services that support defence applications and operational capabilities.

You will work within a multi-disciplinary team across DevOps, cybersecurity, software development, and systems engineering, helping to deliver infrastructure and platform solutions for national security-critical systems.

Key Responsibilities

Design and implement secure, automated, and scalable platform environments to support software delivery and operational systems.
Manage infrastructure using Infrastructure as Code (IaC) tools (e.g., Terraform, Ansible, Pulumi).
Develop and maintain CI/CD pipelines (e.g., GitLab CI, Jenkins, Azure DevOps) to streamline deployments across environments.
Collaborate with development teams to enable secure, repeatable environments for application hosting, testing, and delivery.
Implement and maintain container platforms (e.g., Kubernetes, OpenShift, Docker) and serverless infrastructure where applicable.
Monitor platform performance, availability, and security using observability tools (e.g., Prometheus, Grafana, ELK).
Ensure platforms meet stringent defence compliance standards (e.g., NIST 800-53, MOD JSP 604, IRAP, or DISA STIGs).
Lead or contribute to threat modelling, incident response, and platform hardening activities.
Support legacy system migration to modern platforms in both connected and air-gapped environments.

Required Qualifications

Proven experience as a Platform Engineer, Site Reliability Engineer, or DevOps Engineer.
Strong skills in Linux and/or Windows server administration, scripting (e.g., Bash, Python, PowerShell), and automation.
Hands-on experience with cloud platforms (AWS, Azure, MODCloud, or on-prem private clouds).
Deep understanding of containerisation, orchestration (Kubernetes/OpenShift), and networking concepts.
Familiarity with defence security standards and controls (e.g., JSP 604, ISO 27001, NCSC guidance).
Experience working in Agile/Scrum or scaled Agile environments.

Desirable Skills

Certifications: CKA, CKAD, AWS/Azure DevOps Engineer, CISSP, Security+, or similar.
Experience with secure enclave design, cross-domain solutions, or air-gapped systems.
Familiarity with secrets management (e.g., HashiCorp Vault), service mesh (e.g., Istio), or Zero Trust Architecture.
Exposure to defence or intelligence domains, either in MOD, defence primes, or high-assurance systems integrators.

What We Offer

Competitive salary based on experience and clearance level.
Opportunities to work on nationally significant defence platforms and systems.
25 days Annual Leave (plus Bank Holidays)
Employer Pension Contributions
Group Life Insurance
Dental Cashback Plan
Health Cashback Plan
Wellbeing Services (includes GP, Physio and Savings Benefits)
Thorn Wellbeing Support Contribution
Cycle to Work Scheme
Supported Training & Personal Development Opportunities

Apply

If you have the expertise to support this requirement and are eager to make an impact in a critical platform role, please apply today.

All applicants must hold the Right to Work in the UK and already possess, or be eligible to obtain, National Security Clearance.

Due to the nature of our business, your nationality, previous nationalities, and country of birth may influence the types of roles for which you are eligible.

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