Application Integration Engineer

Salary: £115,000 - 120,000 per year

Requirements

• Experience working in environments that use virtualised/hyper-converged (HCI) infrastructures
• Proven experience integrating, deploying, upgrading, and maintaining applications (including multi-tier systems) in large, distributed environments
• Experience onboarding applications into directory services such as Active Directory
• Strong experience across both Linux and Microsoft Windows environments (client and server)
• Good understanding of authentication protocols
• Experience following industry best practices for IT governance, including Change Control
• Strong analytical skills and attention to detail
• Excellent communication and stakeholder engagement skills
• Solid knowledge of Active Directory
• Desirable: Experience working with OT applications, particularly SCADA systems

Responsibilities

• Integrate, install, upgrade, deploy, and maintain applications across both simple and multi-tier architectures
• Produce and maintain technical documentation, including deployment and configuration guides
• Support the integration and deployment of privileged access management solutions
• Apply secure configurations to applications, including authentication methods and secure communication protocols
• Collaborate with suppliers and project stakeholders to interpret technical requirements and translate them into delivery plans
• Provide regular updates on progress, risks, and issues to stakeholders, and contribute to planning sessions and working groups
• Work closely with suppliers and subject matter experts (operational and cyber) to optimise application performance and enhance security posture
• Support Technical Architects in the development of technical designs
• Identify opportunities to improve processes and tooling, particularly around application deployment and maintenance
• Contribute to and execute testing activities, including Factory Acceptance Testing (FAT) and User Acceptance Testing (UAT)
• Participate in governance processes, including Change Approval Boards

Technologies

• Active Directory
• Support
• Linux
• Security
• Windows

More

We are seeking a hands-on Application Integration Engineer to support a wide range of initiatives aimed at improving the security posture of our Operational Technology (OT) environment. This role is vital in application migration activities, a broader SCADA uplift programme, and implementing privileged access management solutions. We offer a dynamic work environment with the flexibility of remote work and occasional travel to the client site in Wales as required. You will join a collaborative team committed to driving technological improvements and ensuring successful delivery of projects while maintaining high standards of security.

last updated 17 week of 2026