15 application support engineer jobs found in London, greater london

Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers Must have experience in testing one or more of the following: Minimum of 5 years' experience in BOTH testing and test leadership Experience of testing web-based solutions built in a...

Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers Must have experience in testing one or more of the following: Minimum of 5 years' experience in BOTH testing and test leadership Experience of testing web-based solutions built in a...

Citrix Engineer - Hybrid - Outside IR35 Our client, a global Insurance broker, are currently looking to hire a Citrix Engineer to join the team on a hybrid working contract basis. This role would be Outside IR35. Technical Skills: Demonstrate extensive experience working as an infrastructure engineer (or similar) with an emphasis on Citrix and virtual desktop technology Experience of deploying Citrix Cloud workloads in Azure for 100s/1000s users Experience with MCS multi session and single session environments Understanding of multi-language Citrix environments Excellent knowledge of Citrix policies Excellent knowledge of FSLogix, implementation and support Hands on experience of troubleshooting end user Citrix performance issues and errors Extensive experience working with multi-site and multi-forest Active Directory environments, group policy and DNS Extensive experience working with common Microsoft cloud technologies such as Azure, M365, Azure AD & Intune...

Citrix Engineer - Hybrid - Outside IR35 Our client, a global Insurance broker, are currently looking to hire a Citrix Engineer to join the team on a hybrid working contract basis. This role would be Outside IR35. Technical Skills: Demonstrate extensive experience working as an infrastructure engineer (or similar) with an emphasis on Citrix and virtual desktop technology Experience of deploying Citrix Cloud workloads in Azure for 100s/1000s users Experience with MCS multi session and single session environments Understanding of multi-language Citrix environments Excellent knowledge of Citrix policies Excellent knowledge of FSLogix, implementation and support Hands on experience of troubleshooting end user Citrix performance issues and errors Extensive experience working with multi-site and multi-forest Active Directory environments, group policy and DNS Extensive experience working with common Microsoft cloud technologies such as...

Contract Description Must speak fluent French Must be available to visit client site in Ivory Coast for 1 week (12th > 16th January ((fully expensed - alongside the Red Badger Team)). Client is a Development Bank 10 week contract   Start date Monday 12th January Discovery / Review website and intranet project - As is > To Be development piece with a roadmap to implementation deliverable Joining a cross functional team of 5 (Engineer / Delivery / Product / UX / Product Design) Immediate interviews Ltd company outside IR35 or Umbrella contract. £Competitive day rate 2 days / week in person working (Old Street / Moorgate)     About Red Badger     Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their...

Must speak fluent French Must be available to visit client site in Ivory Coast for 1 week (12th > 16th January ((fully expensed - alongside the Red Badger Team)). Client is a Development Bank 10 week contract Start date Monday 12th January Discovery / Review website and intranet project - As is > To Be development piece with a roadmap to implementation deliverable Joining a cross functional team of 5 (Engineer / Delivery / Product / UX / Product Design) Immediate interviews Ltd company outside IR35 or Umbrella contract. £Competitive day rate 2 days / week in person working (Old Street / Moorgate) About Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic...

Full job description Must speak fluent French Must be available to visit client site in Ivory Coast for 1 week (12th > 16th January ((fully expensed - alongside the Red Badger Team)). Client is a Development Bank 10 week contract Start date Monday 12th January Discovery / Review website and intranet project - As is > To Be development piece with a roadmap to implementation deliverable Joining a cross functional team of 5 (Engineer / Delivery / Product / UX / Product Design) Immediate interviews Ltd company outside IR35 or Umbrella contract. £Competitive day rate 2 days / week in person working (Old Street / Moorgate)   About Red Badger   Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate...

Product Solutions Engineer Contract - Initial 6 month contract with the opportunity for further extensions Day Rate - 450 per day (Outside IR35) Fully remote working Spencer Rose are partnered with a leading AI Technology company who are actively in search of a Product Solutions Engineer on a contract basis. My client provide an AI-Powered Data Fabric Platform that is designed to help enterprises get instant, trusted answers from their vast distributed data. Within this role, the Product Solutions Engineer will be responsible for proactively working with Data Architects, Security Architects, Data Engineers, and BI Developers to design, implement, and optimize data products and solutions. The Product Solutions Engineer will have the following responsibilities - Data Modeling & Architecture: Refine, and assist mapping of logical, and physical data models. Collaborate with Data Architects to ensure models align with business requirements and best...

Must speak fluent French Must be available to visit client site in Ivory Coast for 1 week (12th > 16th January ((fully expensed - alongside the Red Badger Team)). Client is a Development Bank 10 week contract Start date Monday 12th January Discovery / Review website and intranet project - As is > To Be development piece with a roadmap to implementation deliverable Joining a cross functional team of 5 (Engineer / Delivery / Product / UX / Product Design) Immediate interviews Ltd company outside IR35 or Umbrella contract. £Competitive day rate 2 days / week in person working (Old Street / Moorgate) About Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic...

43350 PROJECT ENGINEER AA Ref: 43350 Project Engineer - 12-Month Contract (Outside IR35) Global Accountancy Firm | Fully Remote I am partnering with a leading global accountancy firm that is currently undertaking an ambitious integration programme across multiple M&A pipelines. We are seeking an experienced Project Engineer to join on an initial 12-month contract , operating fully remotely and outside IR35 . The Role You will play a key role in delivering infrastructure and services workstreams aligned to ongoing M&A activity. This position requires a strong blend of hands-on technical capability and structured project management experience, ensuring seamless integration across environments, systems, and services. Key Responsibilities Lead and support technical workstreams related to infrastructure integration across multiple acquisitions. Work closely with project managers, architects, and technical SMEs to deliver...

Integration Engineer Contract - Outside IR35 Role Summary This role forms part of a distributed, global infrastructure team that is responsible for the continued availability and support of a hybrid on-premise and cloud infrastructure. Specifically, working within IT Strategy and Transformation, providing input to and delivering IT integrations to the Group, by drawing upon a wealth of practical and technical experience. The role will be expected to work within a fast-pace environment, with high degrees of ambiguity arising from a period of significant change. Job Specific Skills Profile Technical skills required for the role: Demonstrate extensive experience working as a cloud/infrastructure engineer/senior engineer or in similar IT roles. Hands on experience of having performed Exchange migrations between organisations or M365 migrations between tenants. Hands on experience of having performed migrations of Windows Servers to Azure IaaS....

Location: Predominantly remote, occasional travel to London (18-day working month) Contract: Until March 2026 (extensions highly likely) Day Rate: £475-£500/day (Outside IR35) Start Date: January 2026 A Critical Government Department is seeking an SC-Cleared Technical Business Analyst to support a large-scale data migration programme . This role requires strong stakeholder communication skills, advanced data model analysis capability, solid SQL proficiency, and proven experience supporting cloud migration initiatives-ideally within AWS-based environments. Key Responsibilities Analyse SQL and AWS Athena data models, validating structures and business logic Review, refine, and maintain technical and business requirements Facilitate workshops with business users, data engineers, and architects Support migration of complex data models to AWS, identifying gaps, risks, and dependencies Translate business rules into user stories and contribute to Agile delivery...

Software Development Team Leads (x2) £650 per day (Outside IR35) | 6-Month Initial Contract | Hybrid - 2x week in London Overview: A global online non-profit organisation that improves the lives of millions worldwide is seeking two outstanding Software Development Team Leads to join its expanding innovation engineering team. These are high-impact leadership roles driving the development of cutting-edge technology that will revolutionise English language learning and assessment. You will lead backend, full-stack, and front-end engineers as part of a growing innovation unit. This role is ideal for a technically strong leader who thrives in complex, fast-moving environments and enjoys solving hard problems. Key Responsibilities: Lead, mentor, and grow a team of software and QA engineers. Provide architectural direction and hands-on technical guidance. Collaborate with Product, Experience Design, QA, and technical leadership. Influence and contribute to...

At Mindera, we craft software with people we love. We’re looking for a Lead backend engineer with a background in Kotlin or Java. Familiarity with Micronaut (or similar frameworks such as Spring Boot). Experience working in Identity teams (authentication, authorisation, SSO/OAuth). Proven track record of leading complex engineering projects. Strong problem-solving and communication skills. Nice to Have: Experience with IAM platforms (Okta, Auth0, Keycloak, ForgeRock). Knowledge of identity/security standards such as OpenID Connect, JWT, SAML, MFA. Cloud platform experience (Azure, AWS, or GCP). Exposure to DevOps practices and CI/CD pipelines. Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week. What does the role involve? Lead technical deep dives and knowledge sharing in the teams, anticipating challenges and proposing solutions Start influencing product and business decisions...

Rate: £650-£680 Outside IR35 Duration: 6 months initially Location: Remote (London 1-2 days per month) Start date: Urgent Role Summary We are seeking a senior technical leader to oversee the architectural direction and delivery of a complex Telco cloud transformation. This role requires an individual capable of operating confidently with executive stakeholders while also guiding engineering teams performing detailed design and build activities. The Lead Architect will define and safeguard the overall technical architecture, ensuring the migration from VMware technologies to Red Hat and Wind River platforms is executed cohesively, securely, and in accordance with regulatory and vendor standards. This position holds responsibility for the integrity of the solution, the technical governance framework, risk management, and the alignment of all workstreams contributing to the programme. The individual will act as the authoritative voice on platform design, quality,...