150 jobs found in Harrow

Water Quality Manager / Water Quality Project Manager 📍 Hybrid/Agile Working 📅 6-Month Contract 💷 Competitive Day Rate Aatom Recruitment is currently recruiting for an experienced Water Quality Manager / Water Quality Project Manager to join City Council on a 6-month contract. This is an excellent opportunity for a highly skilled compliance and project management professional to lead water safety, water hygiene, and Legionella compliance programmes across a large and diverse residential property portfolio. About the Role As the Council's lead specialist for water quality and Legionella management, you will take responsibility for ensuring the highest standards of water safety, regulatory compliance, and resident protection across housing assets. This is a senior-level position combining strategic leadership, compliance management, stakeholder engagement, and the delivery of major water infrastructure improvement projects. Key Responsibilities Water Safety & Compliance...

ServiceNow Designer (Telecoms) London (Hybrid) 6 Month Contract £450/day (Outside IR35) ServiceNow Designer needed with strong Telecoms industry experience. 6 Month Contract based in London (Hybrid). Start ASAP in July/August 2026. Hybrid Working - 3 days/week remote (WFH), and 2 days/week working from the office in London. Working with a global IT Consultancy supporting a Telecoms end client with a ServiceNow solutions project: Designing, creating, modifying + implementing ServiceNow toolset components including: ITSM, CSM, ITAM, ITOM, IRM, CMDB. Implementing ServiceNow modules, configuration, administration + support of core ServiceNow platform. ServiceNow platform design, development, implementation, Incident Management, Service Requests, Problem Management, Change Management, Configuration Management + new releases. ServiceNow Glide Objects including: GlideRecords, GlideSystem, GlideAggregate + GlideAjax. ServiceNow enhancement requests to the customer's...

UX / UI Lead - 6 months fixed term contract – Full time – London (Hybrid) - £60K pro rata  (35 hrs per week) Are you passionate about creating intuitive digital experiences that make a genuine difference to people's lives? We're partnering with a well-established, purpose-led organisation that is investing heavily in its digital product portfolio. This is an exciting opportunity for an experienced UX/UI Lead to shape the future of customer-facing web and mobile products, influence product strategy, and lead design excellence across the business. The Opportunity As UX/UI Lead, you'll own the end-to-end design process, from user research and discovery through to beautifully crafted interfaces and scalable design systems. Working closely with Product and Engineering teams, you'll ensure every digital experience is user-centred, accessible, and commercially effective. You'll also play a key leadership role, helping to shape product direction, champion best practice, and mentor a...

ServiceNow Designer needed for a long-term project with a company in the Telecommunications industry. 6 months rolling contract / OUTSIDE IR35 Roles and Responsibilities * Implementation of ServiceNow Modules, administration, improvement and support of latest ServiceNow platform. * Perform all aspects of Platform Administration, Design, Development and implementation of ServiceNow. * Perform minor and major enhancements requests to a clients ServiceNow instance(s), including changes to the user interface, system properties, foundation data, existing workflows. * Extensive experience of working with ServiceNow glide objects such as GlideRecords, GlideSystem, GlideAggregate, GlideAjax etc. * Identify system deficiencies, recommend solutions as a trusted advisor to clients * Perform ServiceNow upgrade administration assistance to ensure clients leverage of the latest releases of the ServiceNow application ensuring implementation occurs in a timely manner with...

Technical Business Analyst £450/day | Inside IR35 | Primarily Remote | Occasional travel to Leeds or London | Until March 2027 We're looking for an experienced Technical Business Analyst to join a high-profile NHS programme delivering national digital healthcare services. This is an opportunity to work on complex integration projects, helping shape solutions that improve interoperability across healthcare systems. You'll act as the bridge between technical teams, product, architecture and business stakeholders, translating complex requirements into clear, deliverable outcomes. This role has a strong technical focus, with particular emphasis on APIs and healthcare messaging standards. Key Responsibilities Elicit, analyse and document business, functional and technical requirements Work closely with Product Owners, Solution Architects and Software Engineers to refine requirements and ensure successful delivery Support the design and delivery of API-led integrations across...

Principal Data Engineer / Principal Software Engineer – Data Platforms Location: London (Hybrid 3 days onsite) Contract - Inside IR35 - Intitally 6 Months - Investment / Finance / Wealth / Banking related projects Are you a Lead / Senior data-focused engineer who enjoys designing scalable platforms, solving complex data challenges, and working with modern cloud technologies? We are working with a leading organisation seeking a Principal Data Engineer / Principal Software Engineer to join their Data Technology Platforms team. This is an exciting opportunity for someone who can bridge the gap between data engineering, software development, and enterprise technology solutions. The role is ideal for someone who understands how organisations use data, the importance of governance and standards, and how to deliver robust solutions at enterprise scale. The Opportunity As a Principal Engineer within the Data Platforms team, you will play a key role in designing, developing, and...

Mulesoft Developer +6 months + +Remote working +SC cleared - must be eligible for clearance +Inside IR35 +£600 - £675 a day We're looking for an experienced MuleSoft Developer to join our growing technology team. This is an exciting opportunity to play a key role in designing and delivering enterprise integration solutions that connect Salesforce with critical business systems. Working alongside Enterprise Architects, Salesforce Developers, Engineers, DevOps teams and business stakeholders, you'll develop scalable, secure, and high-performing APIs and integrations using the MuleSoft Anypoint Platform. If you're passionate about integration, API-led connectivity, and solving complex technical challenges, we'd love to hear from you. What You'll Be Doing As our MuleSoft Developer, you will: Design, develop and implement MuleSoft APIs, integrations and connectors to enable secure and efficient data exchange across enterprise systems. Build and maintain integrations between...

The Opportunity In this role, you will go beyond building standard user-facing features to focus on critical internal platform architecture. You will work within a lean, agile team to bridge frontend development with backend systems, transforming how internal engineers interact with, validate, and secure core data pipelines. Your Impact Platform Innovation: Build and scale developer-facing tools and dashboards from scratch to manage data contracts at the code level. Infrastructure Safeguards: Protect downstream systems (like recommendation engines) by implementing code-level guardrails against data incidents. Capacity Expansion: Act as a critical accelerator for a tight-knit core team, driving rapid prototyping during an essential discovery MVP phase. Cross-Functional Tooling: Balance frontend utility with data engine awareness to deliver seamless internal developer experiences.Your Experience Experience Level: Senior-level expertise with a strong background in Platform...

MuleSoft Developers x 2 + 6 month contract roles + extensions + Full remote - 1st month would require occasional day in Belfast + £600 to £675 per day DOE + Must be able to obtain SC Clearance Key Responsibilities Design and implement MuleSoft APIs and connectors to facilitate secure and efficient data integrations between Salesforce and other enterprise systems. Collaborate with business analysts, architects, Salesforce developers, and integration partners to gather requirements and deliver effective solutions. Troubleshoot, test, and enhance Salesforce and MuleSoft integrations to ensure high performance and reliability. Implement best practices for security, data management, and system performance. Conduct code reviews, document technical specifications, and provide technical guidance to team members. Stay updated with the latest Salesforce and MuleSoft features, tools, and industry trends to continually improve integration strategies.Key Stakeholders Enterprise...

Infrastructure Solution Architect – 6-month contract – SC Cleared – London/remote My Customer is looking for an experienced Infrastructure Solution Architect to join a major infrastructure transformation programme. You'll be responsible for designing and delivering infrastructure solutions that support data centre migrations, application transitions and wider technology change projects. Working with technical teams and key stakeholders, you'll provide architectural guidance, manage technical risks and ensure solutions are delivered successfully from design through to implementation. Required Skills from the Infrastructure Solution Architect: Active SC Clearance. Experience working in Critical National Infrastructure environments Previous experience as an Infrastructure Solution Architect or Infrastructure Designer. Strong background in infrastructure, data centre and application migrations. Experience producing solution designs and technical documentation. Knowledge of...

Senior JVM Software Engineer (Scala/Java) 6-12-month contract - Inside IR35 - up to £600 per day London based - hybrid working - 2-3 days onsite Finance sector - must have previous experience Overview Our client is seeking a Senior Software Engineer to join a team building a distributed calculation engine used to calculate financial indices and quantitative models. This is a business-critical platform operating within a high-performance financial services environment. This is primarily a backend engineering role, focused on designing and building new functionality rather than support or maintenance. Skills & Experience Strong senior-level software engineering background Significant commercial experience with JVM technologies (Scala or Java) Experience building complex backend or distributed systems Strong understanding of software engineering fundamentals, including: Concurrency Testing Design patterns Clean code principles CI/CD practices Ability to operate...

Infrastructure Engineer You must be SC Cleared to be suitable for this role. We are looking for an experienced Infrastructure Windows Engineer to join one of our customers within the Finance sector. In this role, you will be responsible for supporting, maintaining, and enhancing our enterprise Microsoft Windows infrastructure, ensuring the delivery of secure, reliable, and high-performing services. Working as part of a collaborative infrastructure team, you will contribute to business-critical projects, support day-to-day operations, and help drive continuous improvement across the IT environment. For this role you must be required to commit to being onsite 2-3 days per week in central london. Duties Manage, maintain, and support enterprise Microsoft Windows Server environments to ensure secure and reliable services. Build, configure, deploy, and decommission physical and virtual servers as required. Administer core Microsoft technologies including Active Directory, DNS, DHCP,...

Back-end Engineer (contract) Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes.  Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months  Start date: ASAP, Immediate starter  Working Patterns: Full-time, 1 day p/w in London-offices. Essential:  Confident working across data infrastructure, distributed systems, APIS and AI-services  Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node and SQL.Nice to have: Docker, ECS, Kubernetes or similar container platform experience  Familiarity with Django frameworks and IaC (e.g. Terraform)  Experience with the deploying and operating ML or AI systems...

SQL Database Administrator – SC Cleared – London/remote – 6-months My Customer is seeking an experienced SQL Database Administrator to join a large-scale infrastructure team, supporting a range of critical database transformation and migration projects. You'll play a key role in delivering database solutions, supporting application migrations, and ensuring SQL environments are secure, resilient, and built to a consistently high standard. Skills required from the SQL Database Administrator: Active SC Clearance (mandatory). Experience in a Critical National Infrastructure environment Strong commercial experience administering Microsoft SQL Server environments. Experience working with SQL Server 2016 through to SQL Server 2025. Excellent knowledge of Always On Availability Groups, Windows Clustering and High Availability/Disaster Recovery technologies. Experience administering SSRS, SSIS and SSAS. Strong understanding of SQL Server upgrades, migrations and performance...

Linux RHEL Engineer - SC Cleared - Inside IR35 - Hybrid 2/3 days per week  My client seeks to recruit an experienced Linux engineer - support in maintenance, upgrades and general house keeping Core Competencies  Previous experience in a technical position within Linux platform support and/or delivery  Familiarity with request, problem and project management processes and tools  Detail oriented, process driven, highly innovative mindset, with deeply engrained sense of ownership for the projects delivered  Adept at stakeholder communications, from senior level to domain-wide engagement events  A broad and deep understanding of best practice in applying appropriate processes, technologies, and resources to deliver a high quality solutions  Experienced in managing risk, compliance, audit and security obligations, including implementation of disaster recovery and business continuity procedures  Mandatory Technical Skills  Experience of managing Red Hat Enterprise Linux...

Join Our Team as a Senior Project Manager - Operational Resilience! Are you ready to make a difference in the fast-paced world of investment banking? We are seeking a dynamic and motivated Senior Project Manager to lead our Operational Resilience initiatives! This is an exciting opportunity to join a leading financial institution located in London. If you have a passion for enhancing operational strategies and thrive in a collaborative environment, we want to hear from you! Contract Details: Length:6 Months + extension Rate: Highly competitive Working Pattern: 2-3 days per week in the office, via Umbrella company Previous experience with Operational / Governance resilience within the financial sector is a mustYour Mission: As the Senior Project Manager, you will spearhead projects aimed at strengthening our operational resilience framework. Your expertise will be crucial in navigating challenges and ensuring our systems remain robust and reliable. Key Responsibilities: Lead...

Azure Databricks Data Lake Deployment Squad Lead** (Contract) Duration: Up until 31 March 2026 (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile This role will manage a scrum team that will ingest data required for the ECB Onboarding program into the EMEA Data Platform with a focus on data required by the EUAG Finance Department. Key Responsibilities: Facilitate efficient and effective software delivery from inception to go-live for the EMEA Data Platform, primary focus will be running multi skilled scrum team including business, data office, and technical staff. Work with the Product Owners, business stakeholders, data modellers, data engineers, testers and Data Office to deliver a well-planned pipeline of data sets. Agree priorities with stakeholders. Use scrum techniques to deliver data requirements within a scrum of scrum structure and drive...

ML Engineer (Early Career - Mid-level) New contract role | Immediate starter - Just in! Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes.  Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months  Start date: ASAP, Immediate starter  Working Patterns: Full-time, 1 day p/w in London-offices. Person Specification:  - Solid skills in Python, SQL and AWS.  - Background in Software Engineering / Data Engineering | Previous back-end work is nice to have  - Experience working with ML models (productisation, not just for research / prototyping)  Nice to have:  - A deeper understanding on ML Models / ML Data Science from an API perspective (GraphQL, gRPC, REST)  - Start-up or HealthTech experience.  This is an urgent requirement, please reach out ASAP to Adam Akhtar today (17th July) to avoid...

Software Engineering Manager - Java, Javascript, Cloud Up to £850 per day (Inside IR35) London / Hybrid (3 days onsite) 6 months This is a contract resource, so all candidates must come from a contracting background. My client is an instantly recognisable firm who are urgently recruiting for a Software Engineering Manager with experience of leading, coaching and managing large teams of Software Engineers. This role will oversee the Development teams of Engineers who are tasked with the Development and maintenance of Technology products.You will bring a passion for technology and deep technical expertise across a range of technologies (Java, Javascript and Azure / GCP for example) along with a proven track record of delivery and building high performing Software Engineering teams. Key Requirements: Proven experience as a Software Engineering Manager in large, complex environments Strong track record of leading teams of Software Engineers, and building high-performing teams...

Software Engineering Tech Lead / Manager - Java, Javascript, ETL Up to £700 per day (Inside IR35) London / Hybrid (3 days per week on-site) This is a contract resource, so all candidates must come from a contracting background. My client is a high profile organisation who are recruiting for a Software Engineering Tech Lead / Manager with experience of leading, coaching and managing teams of Software Engineers. This role will oversee the Development and maintenance of Technology products, with deep technical expertise across a range of technologies (Java, Javascript and Azure / GCP for example) and a proven track record of delivery and building high performing Software Engineering teams. Key Requirements: Proven experience as a Software Engineering Tech Lead / Manager in large, complex organisations A track record of building, leading, coaching and supporting high performing Software Engineering teams A hands-on background, with deep technical expertise across a range of...