Application Integration Engineer
Posted Today by Totaljobs
£600 Per day
Outside
Remote
UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Summary: The Application Integration Engineer role focuses on enhancing the security of an Operational Technology (OT) environment through application migration, SCADA uplift programs, and privileged access management solutions. The position requires a hands-on approach, strong technical skills, and the ability to collaborate with various stakeholders. The engineer will work independently while ensuring successful delivery of initiatives. Occasional travel to a client site in Wales is required.
Key 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
Key Skills:
- 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
Salary (Rate): £600 per day
City: undetermined
Country: UK
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: IT
Application Integration Engineer
Rate: £600 per day
Outside IR35
Duration: 12 Months
Location: Remote with occasional travel to the client site in Wales as/when required
Start: June 2026
Role: Overview:
We are seeking a hands-on Application Integration Engineer to support a wide range of initiatives aimed at improving the security posture of an Operational Technology (OT) environment. This role will play a key part in application migration activities, a broader SCADA uplift programme, and the implementation of privileged access management solutions. The position requires a proactive and technically strong individual who can operate independently while collaborating effectively with technical teams, suppliers, and senior stakeholders to ensure successful delivery. This role is hands-on and requires strong technical skills.
Essential Skills & Experience required:
As the Applications Integration Engineer you will possess 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 include:
- 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
If this role is of interest, please email your CV to: Certes Computing (and all of its subsidiary companies) is committed to promoting equality and diversity in its business operations.