Senior Platform Engineer

Openwork Limited; Swindon; On-site; GBP 36,000 - 60,000; Full time

Benefits offered by this job

Salary up to £60,000

On‑target bonus 10%

Pension scheme: up to 5% employer + 5%

Critical illness cover

Income protection

Death in service

23–25 days holiday + bank holidays (+

Flexible benefits package

Job summary

Openwork Limited is seeking a Senior Platform Engineer to design, deliver and improve secure, scalable technology platforms across Azure and on-prem environments. You’ll champion a DevOps culture and provide technical leadership on key projects, ensuring end‑to‑end ownership by squads.

You’ll collaborate across Engineering and Technology teams, manage incidents and automate infrastructure, while maintaining security and resilience across cloud and hybrid setups.

Qualifications

• Hands-on experience with Microsoft Azure and related services.
• Proficiency in Azure DevOps, Terraform and IaC practices.
• Experience with cloud migration and DevOps methodologies.
• Strong networking and security across cloud and on-prem environments.
• Automation, scripting, monitoring and performance optimisation.
• Itil disciplines including incident, problem and change management.
• Ability to lead implementations and manage third-party suppliers.

Responsibilities

• Act as senior technical lead in design, deployment and support of cloud and on‑prem infrastructure.
• Lead technical discussions with third-party providers and internal stakeholders.
• Develop and enhance automation and IaC to improve efficiency.
• Maintain monitoring, performance, capacity and availability; troubleshoot root causes.
• Ensure security, backup, disaster recovery and business continuity readiness.
• Document technical information and escalate technology risks.
• Collaborate across teams to remove blockers and support delivery.
• Participate in out-of-hours support rota when required.

Skills

Microsoft Azure

Azure DevOps

Terraform

Infrastructure as Code

CI/CD

Networking & Security

Automation & Scripting

ITIL

Tools

ARM templates

Azure AD/Entra ID

ADFS

VMware

Cisco

Job description

As a Senior Platform Engineer, you’ll play a key role in designing, delivering and improving secure, reliable and scalable technology platforms that enable our Engineering Squads to work efficiently and independently.

You’ll help create a self-service engineering environment that reduces complexity and unnecessary hand-offs, while championing a strong DevOps culture where teams take end-to-end ownership of their systems. Providing technical leadership and guidance, you’ll act as the technical lead on key projects and initiatives, promoting best practice across security, resilience, performance and availability.

Working across both Agile and traditional delivery environments, you’ll collaborate with Engineering and wider Technology teams to remove barriers and support high-quality delivery at pace. As a senior member of the team, you’ll also support and deputise for the Infrastructure Manager when required.

The Benefits:

• Salary - up to £60,000
  
• Bonus scheme - on target bonus 10%
• Pension scheme - contribute up to 5% of your salary and Openwork will match you and put in an extra 5%
  
• Critical illness cover
• Income protection
• Death in service
• 25 days holiday + bank holidays, with the opportunity to buy up to an additional 10 days
  
• A range of other flexible benefits to include private medical insurance, dental insurance and much more.

What will you need to succeed?

Delivering Today

• Act as a senior technical point of contact, leading technical discussions with third-party providers and providing consultancy to Technology teams and business stakeholders.
• Lead the design, implementation, deployment and ongoing support of cloud and on-premise infrastructure, primarily across the Microsoft technology stack.
• Manage incidents, problems and changes within the squad, providing technical leadership during major incidents and complex technical issues.
• Develop and enhance automation and Infrastructure as Code, using tools such as Terraform, ARM and Azure DevOps to improve efficiency and reliability.
• Maintain and optimise monitoring, infrastructure performance, capacity and availability, identifying root causes and implementing permanent solutions.
• Ensure infrastructure remains secure, supported, patched and compliant, including effective backup, disaster recovery and business continuity arrangements.
• Maintain accurate technical documentation, knowledge bases and asset information, while identifying and escalating technology risks.
• Collaborate across Engineering and Technology teams to prioritise workloads, remove blockers and support successful delivery.
• Participate in the out-of-hours support rota where required.

Tomorrow’s Success

• Contribute to technology strategy and technical direction, supporting the organisation’s cloud-first approach.
• Identify and introduce new technologies, automation and working practices that improve capability, efficiency and resilience while reducing risk.
• Lead technical exploration and implementation of new solutions, providing clear options and recommendations to stakeholders.

Experience & Knowledge

We’re looking for someone with strong hands-on infrastructure experience who can also provide technical leadership. Ideally, you’ll have experience in:

• Microsoft Azure, Active Directory, Azure AD/Entra ID, ADFS and the wider Microsoft technology stack.
• Azure DevOps, Terraform, ARM templates, Infrastructure as Code and CI/CD.
• Cloud migration and the implementation of cloud and DevOps ways of working.
• Networking and security across both traditional and cloud environments, including Zero Trust principles.
• Automation and scripting, monitoring, diagnostics and performance optimisation.SQL database support and modern service-based/API-driven architectures.
• ITIL disciplines including incident, problem and change management.
• Working across complex technology environments and managing third-party suppliers.
• Providing technical leadership during implementations, major incidents and other high-pressure situations.
• Agile/Scrum delivery alongside operational infrastructure support.

Relevant Microsoft, Azure, VMware, Cisco, ITIL, security or architecture certifications would be advantageous.

Why us?

We're a dynamic, fast-paced and growing business with huge ambition. This is all made possible by the brilliant people who are part of The Openwork Partnership family. We're investing heavily in our colleagues, continuously striving to give them the platform to develop personally and professionally and reach their full potential.

The Openwork Partnership values and respects individuality and we are committed to building an inclusive culture and environment where you can balance a successful career with your commitments and interests outside of work. We believe that you will bring your best self to work if you are trusted to choose when, where and how you do it. On top of offering a modern workplace with bags of development opportunities, we also offer a highly attractive benefits package to reward you for your hard work. This includes a competitive base salary, an industry-leading annual bonus, enhanced pension, critical illness cover, income protection and a range of other flexible benefits