18 senior platform engineer jobs found

Platform Engineer - £750pd (Neg) - 3 - 6 Months (ID46327) Humand Talent Greater Bristol Area, United Kingdom (Hybrid) Save Apply Senior Platform Engineer (Contract to Perm) £700 per day | 3-6 Month Contract | Hybrid - Oxford Based Are you a Platform/Linux/DevOps expert who thrives on complex challenges? Do you love working at the intersection of science, technology, and hardware innovation? Ready to join a high-growth, cutting-edge tech environment where your impact is immediate? Our client, a scaling technology business with ambitious plans, is on the lookout for seasoned Senior Linux Platform Engineers to play a pivotal role in their DevOps transformation. This is your chance to join a project that blends scientific complexity with technological excellence, perfect for DevOps professionals who enjoy solving sophisticated problems, influencing infrastructure decisions, and working hands-on with the latest in modern tooling. Why...

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...

Staff .NET Backend Engineer (Contract) UK | Fully Remote (UK-based) | 6 months | £900 per day (Outside IR35) High-growth Product Engineering Team Build and evolve core Back End services powering a large-scale property technology platform We're supporting a well-established, product-led technology business that's continuing to modernise and scale the Back End services behind its core platform. This is a critical engineering role within a mature but evolving environment, focused on building robust, cloud-native services that support real-world, high-volume usage. This role suits an experienced contractor who enjoys owning Back End systems end-to-end, working in production environments, and influencing how services are designed, built and shipped, not just delivering tickets. You'll operate as a Staff-level, hands-on engineer , Embedded within a product squad and working closely with senior engineering leadership to set technical standards and deliver...

UK | Fully Remote (UK-based) Staff/Principal Full Stack Engineer (Contract) 6 months | £900 per day (Outside IR35) High-growth Product Engineering Team Build and evolve a core CRM product used across the business We're supporting a product-led organisation that is rebuilding and modernising key areas of an existing CRM platform . This role suits an experienced contractor who enjoys working in brownfield environments , partnering closely with the business, and shaping how a product evolves rather than just delivering tickets. You'll operate as a senior, hands-on engineer within a growing engineering group, working closely with senior leadership to take the product from where it is today to where it needs to be next . The role This is a product-focused engineering position , not a pure delivery role: Rebuild and enhance existing CRM features within a live production system Work end-to-end across Front End and Back End systems Partner closely with...

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 Java Engineer – Hedge Fund Contract Outside IR35 £1100 PD 2 month contract Hybrid Quant Capital is urgently looking for a Senior Java Engineer to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They currently run around £2 billion in liquid capital. The business has expanded continuously and is building a new risk engine for their systematic fund clients. This role will be working with a large distributed system (Built in Java) automating a large volume of realtime data into a portfolio management system. I am looking for a proficient developer with good data knowledge and an understanding of latency. I am looking for an engineer with strong core Java knowledge who is happy to learn risk. You should be happy to expand a data platform from scratch with some serious help on the...

We're working with a business tackling complex technical challenges through cutting-edge AI and data solutions. They're looking for a Senior Python Engineer who can combine strong software engineering fundamentals with hands-on AI expertise to help deliver scalable, high-performance systems in a fast-moving environment. This is a contract role suited to someone who enjoys solving difficult problems, working across modern cloud-native environments, and building robust AI-driven applications at enterprise scale. Role Overview: Location: Farnborough - 3 days per week onsite Package: Outside IR35 - negotiable rate Industry: Technology / AI Engineering Duration: 3-Month rolling Contract (Mid-June start) Security Clearance: SC cleared What You'll Be Doing: Designing and developing scalable Python-based applications within enterprise environments Building and optimising AI-driven solutions, including...

Chief Architect Location: UK or Ireland (regular travel required) Type: Full-time | Initial 3–6 month contract with potential to become permanent £650-£700pd + Dependent on experience  (Outside IR35) Overview A technology organisation in the public sector space is looking for a Chief Architect to define and lead its end-to-end platform architecture. You’ll set technical direction, ensure systems are secure and scalable, and align architecture with business and product strategy. Key Responsibilities Define and own enterprise architecture strategy and standards Lead design reviews and govern architectural decisions Ensure scalable, resilient, and secure system design Drive cloud-native, microservices, API, and data architecture adoption Maintain platform consistency across regions and teams Collaborate with engineering, product, and senior stakeholders Mentor engineers and promote best practices Skills & Experience 10+ years in software engineering,...

Full job description About the Role Join our mission-critical data team supporting defence intelligence workflows. You’ll leverage Palantir Foundry and Python to build robust, secure data pipelines that power analytic apps for senior leadership and A-level decision-makers.   Day rate:  £700/day Outside IR35 (negotiable dependent on experience)   Key Responsibilities Design, implement and maintain data ingestion pipelines into Foundry Ontology. Develop Python/PySpark transforms to clean, enrich, and aggregate high-volume datasets. Collaborate with InfoSec to enforce security policies: ACLs, encryption, audit trails. Integrate Foundry workflows with external CI/CD tools; maintain code quality via unit tests and peer reviews. Troubleshoot performance bottlenecks in Spark and optimize cluster configurations. Mentor junior engineers and drive best practices in code documentation and data governance....

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...

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...

Costello & Reyes Group Ltd has been engaged by its client, an international Pharma firm, to identify an SC Cleared Security Architect Lead for an initial 6 month engagement ( with a likelihood to extend). The Security Architect Lead will be responsible for leading the design and implementation of a Zero Trust Architecture (ZTA) framework aligned to NIST SP 800-207 Zero Trust Architecture principles. This is a strategic role focused on enhancing the organisation's security posture by implementing identity-centric, policy-driven access controls across a hybrid and cloud-first environment. Acting as the key interface between senior client stakeholders and subject matter experts (SMEs), the successful candidate will ensure that architectural decisions are robust, aligned to best practice, and deliverable within the organisation's technical and operational landscape. YOU WILL NEED TO HOLD VALID SC CLEARANCE Key Responsibilities Lead the end-to-end design and delivery...

MERITUS are recruiting for a Technical Architect to join our client supporting major Central Government programmes, delivering secure, high-quality architecture solutions across complex IT environments. TECHNICAL ARCHITECT – OUTSIDE IR35 – £800 PER DAY – 12 MONTHS – ANDOVER (2 DAYS ONSITE PER WEEK) – TWO STAGE INTERVIEW PROCESS – SECTOR: CENTRAL GOVERNMENT / DEFENCE (SC CLEARANCE REQUIRED) As a Technical Architect, you will play a key role in designing and delivering best-in-class solutions that meet both business and technical requirements. You will ensure architectural integrity, alignment to strategy, and adherence to security and regulatory standards across the full project lifecycle. You will collaborate with multidisciplinary teams, providing technical leadership and governance while driving innovation and continuous improvement across large-scale, complex systems. Key Responsibilities: Lead the design and delivery of large-scale or complex IT...

MERITUS are recruiting for a Technical Architect to join our client supporting major Central Government programmes, delivering secure, high-quality architecture solutions across complex IT environments. TECHNICAL ARCHITECT - OUTSIDE IR35 - £800 PER DAY - 12 MONTHS - ANDOVER (2 DAYS ONSITE PER WEEK) - TWO STAGE INTERVIEW PROCESS - SECTOR: CENTRAL GOVERNMENT / DEFENCE (SC CLEARANCE REQUIRED) As a Technical Architect, you will play a key role in designing and delivering best-in-class solutions that meet both business and technical requirements. You will ensure architectural integrity, alignment to strategy, and adherence to security and regulatory standards across the full project lifecycle. You will collaborate with multidisciplinary teams, providing technical leadership and governance while driving innovation and continuous improvement across large-scale, complex systems. Key Responsibilities: Lead the design and delivery of large-scale or complex IT systems, ensuring...

MERITUS are recruiting for a Technical Architect to join our client supporting major Central Government programmes, delivering secure, high-quality architecture solutions across complex IT environments. TECHNICAL ARCHITECT - OUTSIDE IR35 - £800 PER DAY - 12 MONTHS - ANDOVER (2 DAYS ONSITE PER WEEK) - TWO STAGE INTERVIEW PROCESS - SECTOR: CENTRAL GOVERNMENT/DEFENCE (SC CLEARANCE REQUIRED) As a Technical Architect, you will play a key role in designing and delivering best-in-class solutions that meet both business and technical requirements. You will ensure architectural integrity, alignment to strategy, and adherence to security and regulatory standards across the full project lifecycle. You will collaborate with multidisciplinary teams, providing technical leadership and governance while driving innovation and continuous improvement across large-scale, complex systems. Key Responsibilities: Lead the design and delivery of large-scale or complex IT systems, ensuring...

SNOWFLAKE INFRASTRUCTURE ENGINEER Contract | Outside IR35 | £550-£700/day Fully remote or London Hybrid | 6 months + Extension A leading London insurance company is looking for a Snowflake Infrastructure Engineer to join a small, high-performing contractor team on a critical platform delivery programme. This is a pure infrastructure role. You will be working directly on the Snowflake platform estate - owning RBAC operations and refactoring, Terraform-managed object provisioning, and CI pipeline automation. There is no data ingestion, no ETL, and no dbt work involved - that sits with a separate team. THE ROLE You will take ownership of an active RBAC refactoring workstream, working within and extending a mature Snowflake implementation. Day-to-day you will be: Managing and refactoring the Snowflake RBAC framework - roles, grants, privileges, and least-privilege access patterns Provisioning and managing Snowflake objects (databases, schemas, warehouses,...

MERITUS are recruiting for a Technical Architect to join our client supporting major Central Government programmes, delivering secure, high-quality architecture solutions across complex IT environments. TECHNICAL ARCHITECT - OUTSIDE IR35 - £800 PER DAY - 12 MONTHS - ANDOVER (2 DAYS ONSITE PER WEEK) - TWO STAGE INTERVIEW PROCESS - SECTOR: CENTRAL GOVERNMENT / DEFENCE (SC CLEARANCE REQUIRED) As a Technical Architect, you will play a key role in designing and delivering best-in-class solutions that meet both business and technical requirements. You will ensure architectural integrity, alignment to strategy, and adherence to security and regulatory standards across the full project lifecycle. You will collaborate with multidisciplinary teams, providing technical leadership and governance while driving innovation and continuous improvement across large-scale, complex systems. Key Responsibilities: Lead the design and delivery of large-scale or...

About the Role Join our mission-critical data team supporting defence intelligence workflows. You’ll leverage Palantir Foundry and Python to build robust, secure data pipelines that power analytic apps for senior leadership and A-level decision-makers. Day rate: £700/day Outside IR35 (negotiable dependent on experience) Key Responsibilities Design, implement and maintain data ingestion pipelines into Foundry Ontology. Develop Python/PySpark transforms to clean, enrich, and aggregate high-volume datasets. Collaborate with InfoSec to enforce security policies: ACLs, encryption, audit trails. Integrate Foundry workflows with external CI/CD tools; maintain code quality via unit tests and peer reviews. Troubleshoot performance bottlenecks in Spark and optimize cluster configurations. Mentor junior engineers and drive best practices in code documentation and data governance. Required Qualifications 3 + years’ experience in a Foundry heavy...