30 senior platform engineer jobs found

🚀 Senior GCP Platform Engineer | Outside IR35 Looking for a high-impact contract role where you’re not just maintaining systems, but building the future cloud platform? My client is working on on a major Azure → GCP migration within a complex enterprise environment. This is a hands-on, senior role with real ownership across platform design, governance, and delivery. 🔧 What you’ll be doing Lead Azure → GCP migration across critical workloads Design and build GCP Landing Zones and platform architecture Implement Terraform (IaC), CI/CD, and automation Drive best practices across security, governance, and cost optimisation Work closely with engineering teams to enable scalable, self-service platforms 🧠 What we’re looking for Strong experience with Google Cloud Platform (GCP) Proven background in platform engineering / DevOps / cloud infrastructure Hands-on with Terraform + Kubernetes (GKE ideally) Experience with cloud migrations (Azure → GCP a big...

Outside IR35 Contract Software Engineer (React & AWS) Leading Media Organisation Digital Platform (UI & UX?Led) Location: Hybrid (London or Manchester) Day Rate: Competitive Contract Length: 6 Months + Overview We are working with a leading UK media organisation to engage an experienced Contract Software Engineer to support the development of a large?scale, user?centric digital platform. The platform is UI and UX?heavy, highly visible, and used by millions, sitting at the intersection of content, information, and media. This role goes beyond pure delivery. You will work in close partnership with Product and UX, playing a key role in discovery, defining technical direction, and taking clear ownership of outcomes across complex, multi?dependency environments. Key Responsibilities * Work collaboratively with Product Managers and UX Designers during discovery to translate user needs into feasible, high?quality technical solutions. * Actively participate in user research,...

We are working with a leading London-based organisation that is building a modern, enterprise-wide data platform using Microsoft Fabric and is seeking a Senior Data Engineer to play a key role in its development. This is a hands-on role within a greenfield Fabric environment, supporting critical business areas including finance, operations, and strategic decision-making. The successful candidate will design and deliver scalable data solutions across ingestion, modelling, and optimisation, working closely with cross-functional teams to help shape a robust, future-ready data platform. This role requires the Senior Data Engineer to be onsite at the client's London offices three days per week. Skills/Responsibilities Experience of designing and building scalable, production-grade data pipelines and Lakehouse/Warehouse solutions using Microsoft Fabric (OneLake, Dataflows Gen2, Pipelines, Notebooks) Experience of implementing advanced Fabric capabilities such as Shortcuts,...

Outside IR35 Contract Software Engineer (React & AWS) Leading Media Organisation Digital Platform (UI & UX?Led) Location: Hybrid (London or Manchester) Day Rate: Competitive Contract Length: 6 months + Overview We are working with a leading UK media organisation to engage an experienced Contract Software Engineer to support the development of a large'scale, user?centric digital platform. The platform is UI and UX?heavy, highly visible, and used by millions, sitting at the intersection of content, information, and media. This role goes beyond pure delivery. You will work in close partnership with Product and UX, playing a key role in discovery, defining technical direction, and taking clear ownership of outcomes across complex, multi?dependency environments. Key Responsibilities. Work collaboratively with Product Managers and UX Designers during discovery to translate user needs into feasible, high?quality technical solutions.. Actively participate in user research,...

Outside IR35 Contract Software Engineer (React & AWS) Leading Media Organisation Digital Platform (UI & UX?Led) Location: Hybrid (London or Manchester) Day Rate: Competitive Contract Length: 6 Months + Overview We are working with a leading UK media organisation to engage an experienced Contract Software Engineer to support the development of a large?scale, user?centric digital platform. The platform is UI and UX?heavy, highly visible, and used by millions, sitting at the intersection of content, information, and media. This role goes beyond pure delivery. You will work in close partnership with Product and UX, playing a key role in discovery, defining technical direction, and taking clear ownership of outcomes across complex, multi?dependency environments. Key Responsibilities * Work collaboratively with Product Managers and UX Designers during discovery to translate user needs into feasible, high?quality technical solutions. * Actively participate in user research,...

Windows Endpoint Infrastructure Engineer | Glasgow | 3 days onsite | 12 month contract | £600-£700 per day | Outside IR35 We're looking for a highly experienced Windows Endpoint Infrastructure Engineer to join a large-scale enterprise environment. This is a hands-on, senior-level engineering role suited to someone with a strong operational background in building, running, and troubleshooting Windows infrastructure at scale. You'll be part of a specialist endpoint engineering function focused on designing, deploying, and maintaining secure Windows environments across both on-premise and cloud platforms. Working closely with cybersecurity teams, you'll deliver robust, scalable endpoint solutions that protect critical systems while ensuring high performance and reliability. This role is heavily infrastructure-focused, with a strong emphasis on automation and operational excellence. Key Responsibilities Engineer, deploy, and support Windows endpoint infrastructure across a...

Windows Endpoint Infrastructure Engineer | Glasgow | 3 days onsite | 12 month contract | £600- £700 per day | Outside IR35 We 're looking for a highly experienced Windows Endpoint Infrastructure Engineer to join a large-scale enterprise environment. This is a hands-on, senior-level engineering role suited to someone with a strong operational background in building, running, and troubleshooting Windows infrastructure at scale. You 'll be part of a specialist endpoint engineering function focused on designing, deploying, and maintaining secure Windows environments across both on-premise and cloud platforms. Working closely with cybersecurity teams, you 'll deliver robust, scalable endpoint solutions that protect critical systems while ensuring high performance and reliability. This role is heavily infrastructure-focused, with a strong emphasis on automation and operational excellence. Key Responsibilities Engineer, deploy, and support Windows endpoint...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Data Engineer l Azure l Fabric l Pyspark l Greenfield l 6-Month Contract £475-£500 per day Outside IR35 l Hybrid 3 days in London We're partnering with a leading London-based organisation that's building a modern, enterprise-wide data platform on Microsoft Fabric and is seeking a Senior Data Engineer to support its delivery. This is a hands-on role within a greenfield Fabric environment, working across finance, operations, and strategic decision-making. You'll design and build scalable data solutions end to end, collaborating closely with technical and business teams to shape a robust, future-ready platform. The role requires onsite attendance at the client's London office three days per week. Skills & Experience Strong experience delivering production-grade data pipelines and Lakehouse/Warehouse solutions in Microsoft Fabric Solid background in data modelling and architecture (Star Schema, Data Vault, Medallion), with a focus on performance and governance...

Data Engineer l Azure l Fabric l Pyspark l Greenfield l 6-Month Contract | £475- £500 per day | Outside IR35 l Hybrid 3 days in London We 're partnering with a leading London-based organisation that 's building a modern, enterprise-wide data platform on Microsoft Fabric and is seeking a Senior Data Engineer to support its delivery. This is a hands-on role within a greenfield Fabric environment, working across finance, operations, and strategic decision-making. You 'll design and build scalable data solutions end to end, collaborating closely with technical and business teams to shape a robust, future-ready platform. The role requires onsite attendance at the client 's London office three days per week. Skills & Experience Strong experience delivering production-grade data pipelines and Lakehouse/Warehouse solutions in Microsoft Fabric Solid background in data modelling and architecture (Star Schema, Data Vault, Medallion), with a focus on...

Senior z/Linux Engineer (RHEL / IBM Z) DURATION: Initial 6 months (likely extension) LOCATION: Leeds (preferred). Also open to Edinburgh, Manchester, Halifax ONSITE REQUIREMENTS: Hybrid - 2 days onsite per week (local office) ENGAGEMENT TYPE: Outside IR35 DAY RATE: £550 per day LEGAL RIGHT TO WORK: Candidates must have the legal right to work in the UK. Unfortunately, sponsorship is not available for this role. ATRIUM GLOBAL SUMMARY Atrium Global is supporting a client in the financial services sector in hiring a Senior z/Linux Engineer to join their Core Infrastructure Platform team within Mainframe Services. JOB OVERVIEW This role is focused on the support, stability and continuous improvement of enterprise Linux environments running on IBM Z. You will work across a highly regulated, mission-critical platform, primarily supporting RHEL-based z/Linux systems under z/VM. This...

Senior DevOps Engineer (Azure / Terraform) £550 - £650 per day | Outside IR35 | 6 Month Contract | Remote Overview An exciting opportunity has arisen for a Senior DevOps Engineer to join an established project delivering within a modern, cloud-first environment. You'll be joining a lean, high-performing team, where DevOps is central to delivery not an afterthought. This role offers a high level of ownership, with the opportunity to shape infrastructure, improve reliability, and influence engineering best practices across the wider team. We're looking for someone with deep Azure and Terraform expertise, who is comfortable operating in a hands-on capacity, while also mentoring others and driving improvements across CI/CD, observability, and security. Role & Responsibilities Design, build, and manage Azure infrastructure using Terraform, including modules, state management, and pipelines Develop and maintain CI/CD workflows (GitHub Actions, Azure...

Senior .NET / Full Stack Developer – Hybrid – £500/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...

We are currently looking for an experience DevOps engineer who holds current SC clearance to work for a client of ours in the defence sector. They are looking for someone to maintain and support applications on their clients platform within a secure, air-gapped environment across both Windows and Linux systems. With a good Scripting knowledge in Bash, SQL and automation to support and streamline deployment activities you will need a working knowledge of Docker and work towards leveraging Ansible to automate and accelerate deployments. Working closely with the clients cross functional teams including architecture, testing and data migration and support the more junior DevOps resource. Please note this is an urgent requirement with a start in the next 2 weeks and you must be a sole British citizen with current valid SC clearance. You will be hybrid with travel to either Bristol or Corsham or across both on a regular basis. This contract will be outside IR35.

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company. They require an experienced Data Engineer with extensive experience in building and maintaining Data Lakehouses in Azure. The ideal candidate will have a strong background in Python programming, with specific experience building high performance and scalable pipelines in Databricks with Spark. The new data platform will serve a range of end users in the Capital Markets division, so experience across areas such as derivatives, risk, PnL, trade life cycle, market data are highly desired. Key Responsibilities: Engineer robust, scalable and efficient data pipelines using Spark & Python in Databricks Demonstrate best practices in the design & development of data pipelines Data modelling on medallion architecture, ensuring schema is intuitive and serves business users analytical and reporting objectives What you'll need: Expert in building data...

SOC Lead 6 months Bath - hybrid x3 days onsite x2 remote Active SC/DV clearance required £700 per day outside IR35 The SOC Lead - Threat Hunting & Investigations is responsible for leading advanced threat detection, proactive threat hunting, and complex security investigations across the enterprise. This role focuses on identifying unknown threats, coordinating deep-dive investigations, and elevating the maturity of SOC investigative and hunting capabilities. The role combines technical leadership, hands-on expertise, and mentorship of analysts. Key Responsibilities Threat Hunting Lead proactive, hypothesis-driven threat hunting activities across endpoint, network, cloud, identity, and SaaS environments Develop and maintain threat hunting playbooks aligned to MITRE ATT&CK techniques Identify stealthy, low-and-slow, and novel attack patterns not detected by automated controls Translate threat intelligence into actionable hunt hypotheses...

Cloud Security Engineer (GDC / IAM / Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (2 days onsite) Duration: 12 months Clearance: SC eligible (5+ years UK residency), willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC) / GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability...

SOC Lead 6 months Bath - hybrid x3 days onsite x2 remote Active SC/DV clearance required £700 per day outside IR35 The SOC Lead - Threat Hunting & Investigations is responsible for leading advanced threat detection, proactive threat hunting, and complex security investigations across the enterprise. This role focuses on identifying unknown threats, coordinating deep-dive investigations, and elevating the maturity of SOC investigative and hunting capabilities. The role combines technical leadership, hands-on expertise, and mentorship of analysts. Key Responsibilities Threat Hunting Lead proactive, hypothesis-driven threat hunting activities across endpoint, network, cloud, identity, and SaaS environments Develop and maintain threat hunting playbooks aligned to MITRE ATT&CK techniques Identify stealthy, low-and-slow, and novel attack patterns not detected by automated controls Translate threat intelligence into actionable hunt hypotheses...