CBSbutler Holdings Limited trading as CBSbutler
Open positions
Data Analyst - Aerospace
Principal Data Analyst on an Inside IR35 contract (£70–£75/hr, hybrid from Reading) within CBSbutler's Edgewing aerospace/defence business. Day to day: shaping a greenfield data environment, analysing aircraft sensor data, improving data quality, and delivering SQL/Power BI dashboards; active SC clearance is required.
IAM Design SME (Zero Trust & Cloud Architecture)
Contract IAM Design SME (6-month rolling, £540/day) on a major UK bank's identity transformation programme: writing HLDs/LLDs for Zero Trust, federation (OIDC/OAuth2/SAML/SCIM), GCP/Kubernetes/service mesh, Policy-as-Code, PKI and secrets management. Hybrid — three days per week onsite in Sheffield.
Senior DevOps / Automation Engineer
6-month, inside-IR35 remote contract for a Senior DevOps/Automation Engineer building production-grade automation and CI/CD across IBM Z mainframe and distributed platforms, using Python, Ansible Automation Platform, Jenkins/GitHub (Groovy), PostgreSQL, Grafana/Splunk observability and HashiCorp Vault for secure, auditable workflows.
Data Engineer
6-month contract (inside IR35, £460/day) Data Engineer in Telford, UK, hybrid with 2 days per week onsite. Builds and maintains ETL processes with Talend and Oracle RDS, plus GitLab CI/CD pipelines, testing, debugging, and production deployment support.
Senior Linux & DevOps SME - Onsite Contract
12-month rolling onsite contract in Basingstoke (outside IR35, £550–£650/day) for a Linux/DevOps SME who will lead Linux infrastructure, automate operations, and drive CI/CD improvements while working closely with security and engineering teams.
KDB+ Data Engineer: High-Performance Financial Pipelines
Permanent, hybrid role in London building and optimising high-performance KDB+/q and Python data pipelines for large financial datasets in the banking sector. Salary £70k-£80k per year.
Linux/DevOps SME
Contract Linux/DevOps Subject Matter Expert role, fully onsite in Basingstoke on a 12-month rolling contract (outside IR35) at £550–£650/day. The SME designs and maintains Linux infrastructure, automates with Terraform/Ansible, builds CI/CD pipelines and container platforms, and must hold active MOD DV clearance.
KDB+ Data Engineer - Financial Services
Permanent, hybrid role in the City of London for a hands-on KDB+ Data Engineer with 2-3 years of experience, building and optimising data pipelines for financial data in a banking environment using KDB+/q and Python. Salary £70K-£80K.
AWS DevOps Engineer
Six-month inside-IR35 contract (hybrid London) for an AWS DevOps Engineer on a confidential SC-cleared project, designing, building and operating secure, scalable AWS cloud platforms. Day to day is Terraform IaC, GitLab CI/CD pipelines, Docker, Lambda/serverless services and Python/Bash automation, paying £600–£675 per day.
Azure DevOps Engineer
DevSecOps Engineer (MOD / MODCloud) Rate: £645 per day inside ir35 Location: Remote Contract 6 months+ Active SC security clearance is required for this role We're looking for a Lead DevSecOps Engineer to take a key…
Data Engineer- MOD Environment
Contract Data Engineer (inside IR35, up to £600/day, until March 2027) on a long-term UK MOD defence programme, hybrid in the West Midlands. Builds and maintains Azure data pipelines and integrations using SQL and Python/PySpark to support reporting, KPIs/SLAs and data governance. Active DV clearance essential.
DV Cleared Data Engineer — Azure Data Pipelines
DV-cleared Data Engineer supporting a long-term UK defence programme in the West Midlands (hybrid). Day to day you build and maintain Azure-based data pipelines for secure data integration and reporting, using SQL, Python/PySpark, and Azure data services like Data Factory, Databricks, or Synapse.
DV Cleared Data Engineer — Azure Data Pipelines
Contract data engineer (up to £600/day Inside IR35, until March 2027) supporting a long-term UK defence programme in Malvern/West Midlands with hybrid working. Day to day involves building and maintaining Azure data pipelines using Data Factory, Databricks and Synapse to deliver operational reporting, KPIs and data governance; DV clearance is required.
Data Engineer
Contract Data Engineer (6+ months, hybrid in Malvern, inside IR35, GBP 550-600/day) supporting a Ministry of Defence programme. Day to day: building and optimising ETL/ELT pipelines, data models and secure databases with SQL and Python. Current active DV security clearance is essential.