7 of 7 Permanent Senior Applications Engineer Jobs in the UK

Job Opportunity: Senior Application Operation Engineer (M365) Contract Type: 6 month contract until 31 March 2026, with potential extensions (up to 23 months total) Location: Hybrid - Remote with occasional meetings in Glasgow Rate: £500-£600 InsideIR35 We're seeking a skilled Senior Application Operation Engineer with expertise in Microsoft 365 to lead the technical management of … change requests Diagnose and resolve incidents and problems Support service adoption through documentation and guidance Collaborate with stakeholders to deliver value and improvements Essential Skills & Experience: Strong communication with senior non-technical stakeholders Hands-on experience with SDLC, ITIL, Agile or Prince2 Proven ability in service improvement and optimisation Excellent analytical, planning, and project management skills Ability to work More ❯

Senior Application Security Engineer | Permanent | UK (Hybrid - a few times per month) | £84k We're working with a forward-thinking professional services firm on a key hire to embed security into every part of their digital product journey. They're looking for a Senior Application Security Engineer to drive secure-by-design principles across new and … evolving applications and act as a Subject Matter Expert for software security across the business. This is a high-impact role in a collaborative, ambitious, and people-focused IT team. You'll play a hands-on role, shaping security culture, guiding engineering teams, and ensuring that security is integrated into every stage of the software development lifecycle. What you … efforts Acting as a software security SME, advising teams on secure design, risk, and compliance Maintaining security documentation, training materials, and processes Reporting on compliance and security posture to senior leadership What we're looking for: Strong background in software development and security - comfortable with both code and risk Proven experience embedding security into agile development environments Hands-on More ❯

Senior Application Security Engineer | Permanent | UK (Hybrid - a few times per month) | £84k We're working with a forward-thinking professional services firm on a key hire to embed security into every part of their digital product journey. They're looking for a Senior Application Security Engineer to drive secure-by-design principles across new and … evolving applications and act as a Subject Matter Expert for software security across the business. This is a high-impact role in a collaborative, ambitious, and people-focused IT team. You'll play a hands-on role, shaping security culture, guiding engineering teams, and ensuring that security is integrated into every stage of the software development lifecycle. What you … efforts Acting as a software security SME, advising teams on secure design, risk, and compliance Maintaining security documentation, training materials, and processes Reporting on compliance and security posture to senior leadership What we're looking for: Strong background in software development and security - comfortable with both code and risk Proven experience embedding security into agile development environments Hands-on More ❯

We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack. In this role, you'll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and … optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support continuous improvement What we're looking for: Proven experience in an application support or support engineering role, within financial services …/CD pipelines (Azure DevOps), Dynatrace, Git, Okta, Apigee Excellent communication skills and the ability to work effectively across cross-functional teams Desirable: Familiarity with legacy VB/C# applications in a modernised environment Experience in automation/scripting (PowerShell, Bash) Background in financial services applications or products Location: London (hybrid working - 2/3 days a week More ❯

do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert. Purpose As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business … through proactive monitoring and alerting. Beyond day-to-day support, you'll drive continuous improvements in processes and tools, collaborating with stakeholders to elevate operational excellence and keep our applications healthy and resilient. Key Accontabilities Investigate and resolve incidents across multiple applications, ensuring minimal downtime and quick root cause analysis. Own and actively manage incidents with regular follow … and infrastructure-related issues. Oversee major incidents and work alongside developers and operations teams to restore service. Proactive Application Support & Maintenance: Ensure the ongoing stability and health of all applications through regular maintenance tasks, including patching and updates. Plan and execute minor upgrades and configuration changes with minimal impact to the production environment. Maintain and optimise system configurations across More ❯

Job Title: Application Engineer (D365 F&O) Location: Leeds (Hybrid - 3 days on site)Salary: £60,000 per annum + benefits Are you an experienced D365 F&O Application Engineer who enjoys turning business problems into working solutions? Do you have hands-on experience in logistics or manufacturing and the ability to explain technical issues clearly to non More ❯

About the Role: At Holland & Barrett, cybersecurity is at the heart of our digital transformation. As we continue to grow and innovate, securing our applications and protecting customer data is a top priority. We are looking for a Senior Application Security Engineer to lead our efforts in strengthening application security, mitigating risks, and ensuring best-in-class … integrate security principles into the early stages of product design and development. Secure SLDC: Establish a secure Software Development Lifecycle (SDLC) that enables development teams to deliver high-quality applications quickly while implementing essential controls for software integrity, authenticity, and third-party library management. Risk Assessments: Conduct risk assessments, threat modeling, and architecture reviews alongside development teams, producing artifacts More ❯