CBSbutler Holdings Limited trading as CBSbutler

Data Scientist - Optimisation & Operations Research North West London (Hybrid, 3 days on-site) 550 - 750 /day The Opportunity We're recruiting on behalf of a globally recognised organisation undergoing a major transformation in how it uses data to drive operational decisions. This is a rare chance to work on genuinely complex, high-impact decision-support software - embedding cutting-edge optimisation and machine learning directly into live operations. You'll join a high-performing, Agile product squad as a full-stack Data Scientist, sitting at the intersection of data engineering, ML, and operations research. What You'll Be Doing Designing and delivering optimisation and ML models (linear/mixed-integer programming, heuristics, supervised/unsupervised learning) in Python, from prototype to production Building robust, automated data pipelines and integrating models into cloud-based deployment pipelines with CI/CD Owning features end-to-end - from stakeholder requirements through to algorithm hardening, edge-case handling, and value measurement Working with orchestration frameworks (Dagster/Airflow), experiment tracking (MLflow), and containerised infrastructure (Docker/ECS) Collaborating closely with business stakeholders and contributing to roadmap and feature prioritisation What We're Looking For Strong operational research and optimisation background - this is a must Fluent Python, with hands-on experience of scikit-learn, pandas, numpy, Gurobi or similar OR packages Production ML/optimisation software experience - you've shipped models that run at scale Cloud platform experience (AWS preferred); familiarity with SageMaker, DVC, GitHub Actions a bonus Strong SQL and data engineering fundamentals Experience in airline, aviation, transport, or engineering/maintenance environments is highly desirable Master's degree (or equivalent) in Data Science, ML, or Operational Research - or strong demonstrable industry experience

Technical Engineer/Manager Oxfordshire based Willingness to travel An established and growing UK organisation within the laboratory and medical equipment sector is seeking a Technical Engineer/ Manager to join its expanding team. The role combines laboratory engineering, field service and quality management, supporting customers across Oxfordshire (occasional travel UK wide) while contributing to the ongoing improvement of internal quality systems. Key responsibilities Installation, servicing, repair and calibration of laboratory equipment including fridge freezers, incubators and blood bank equipment Temperature mapping of laboratory refrigeration and controlled environments Autocalibration and fault-finding activities Supporting and maintaining quality systems in line with UKAS and ISO standards Managing calibrations, quality audits and quality documentation Working closely with internal teams to support continuous improvement Providing cover for colleagues during holidays, with sensible planning around travel and workload Training will be provided on specific equipment brands and systems Experience and skills required Proven laboratory quality experience, including knowledge of UKAS, ISO standards and quality audits Strong understanding of quality management within a laboratory or regulated environment Hands on experience as an engineer, servicing, calibrating and repairing laboratory equipment Full UK driving licence Comfortable working independently in the field while remaining connected to a wider technical team Methodical, organised and solutions-focused approach Hours & Travel Hours are 9am-5pm Mon-Fri. You will be required to report to the Oxfordshire-based Head Office whilst also being willing to travel to customer sites in the surrounding area or further afield on occassions. Salary and benefits Salary circa 45,000 Paid overtime Company car Discretionary annual bonus 23 days' annual leave plus bank holidays Private pension scheme after 6-month probation Private medical cover after 6-month probation This is an excellent opportunity to join a large, growing organisation that genuinely invests in its people. As the business and department continue to evolve, there are strong opportunities for cross-training, career development and progression into a senior technical leadership role.

Senior Test Specialist Onsite in Basingstoke (phone number removed) per annum + benefits Security Clearance is required for this role. We are seeking a Test Analyst to support the delivery of secure IT systems within a Defence environment. You will work within a secure project delivery team, responsible for planning, executing and reporting testing activities across both infrastructure and application platforms, ensuring solutions meet strict quality, security and operational standards. Key Responsibilities Execute manual and automated testing including functional, non-functional, integration, system, regression and end-to-end testing Produce key test artefacts including Test Plans, Test Scripts, Test Reports and defect logs Design and execute test cases based on defined technical and business requirements Log, track and support investigation of defects using JIRA Produce test metrics and progress reports, including risks, issues and test incidents Coordinate test environments, tools and resources to support project delivery Work closely with Project Managers, technical teams and stakeholders to deliver testing activities to schedule Skills & Experience Experience across multiple phases of testing and strong understanding of SDLC/STLC Experience working within Agile, V-Model or Waterfall delivery environments Demonstrable experience testing both infrastructure and application platforms Strong experience producing test documentation and executing manual test scripts Knowledge of configuration/change management and version control systems (e.g. Subversion) Experience using JIRA for defect management and reporting Strong communication and stakeholder engagement skills ISTQB Foundation certification (or higher) If this Senior Test Specialist role is of interest, apply now!

Role Title: Event Management Consultant Location: Hybrid - 2-3 days per week onsite in Corsham Duration: 6 months Rate 300 per day inside ir35 Active SC clearance required Description We are currently seeking an experienced Event Management Consultant to join a dynamic Hosting and Tooling Team supporting enterprise-level operational tooling and monitoring environments. This role will involve a combination of BAU and project delivery, working alongside Engineers, Analysts, and Consultants to deliver high-quality tooling solutions for secure client environments. Role Responsibilities As an Event Management Consultant, you will: Work directly with client teams, providing technical guidance and operational support. Design and implement event management policies for internal services and client distribution solutions. Provide high-level functional system analysis to support client requirements. Maintain and support operational tooling platforms in line with service deliverables. Contribute to project delivery, collaborating with internal and external Project Managers. Produce technical documentation and architectural diagrams. Build and maintain operational dashboards to support monitoring and reporting requirements. Enhance automation and monitoring capabilities through scripting and integration. Skills & Experience Successful candidates will demonstrate experience with enterprise monitoring platforms and infrastructure environments, including: Experience managing enterprise tooling such as BMC TrueSight, BMC Discovery, and Splunk (Essential) Agent deployment and management across large environments. Tool installation, configuration, and customisation. SNMP MIB Management. Experience supporting Windows, AIX, and Linux environments. Scripting experience with Python and/or PowerShell. Experience with monitoring tools such as: Zabbix Nagios HP OpenView Solarwinds IBM Tivoli Monitoring IBM Tivoli Netcool Strong understanding of networking concepts and protocols. Experience building automation and integrations using APIs (REST). Advanced Splunk expertise, including: Rule creation and advanced logic Splunk Query Language (SPL) SQL coding Dashboard development If this Event Management Consultant role is of interest apply now!

We're supporting a global consulting organisation in hiring a Capability Business Operations Partner for an initial 6 month contract to support the development and delivery of capability initiatives across a growing practice. This role will focus on capability planning, training delivery, workforce insights, and stakeholder collaboration to ensure teams have the right skills and development pathways to meet future demand. This is a hybrid working role based at the company's Telford offices, 2 days per week onsite. Key Responsibilities include: Deliver capability plans focused on training, certification, and development initiatives Analyse workforce and skills data to identify capability gaps Support staffing decisions by aligning available talent with project demand Coordinate learning programmes, academies, and development initiatives Manage relationships with external professional bodies Support onboarding and career development programmes for new joiners Provide insights and reporting on capability performance and KPIs What we're looking for: Experience in practice operations, workforce planning, capability development, or L&D Background in consulting, technology services, or professional services environments Strong data analysis and stakeholder management skills Experience coordinating training programmes or capability initiatives If you're interested or would like to learn more, we would love to hear from you.

Our client works in partnership with a major UK high street bank, managing their personal lending services. We are looking for a Customer Service Advisors to join their Contact Centre team in Newcastle to provide support to customers, calling with enquiries and requests about their loan account. Our client is putting their customers at the heart of everything they do every day. Is that you? Do you have a passion for helping make things simple and easy for customers? Do you enjoy getting your teeth into supporting with more complex requests that may need teamwork with colleagues from other areas? Do you get satisfaction from knowing you've helped achieve the right outcome for a customer, and even better getting it right first time? Then this is a role you will be interested in. What are we looking for in our Customer Service Advisors? Sociable, helpful and eager to provide excellent customer service to customers. Able to work in a fast-paced environment, ensuring defined processes are followed. A good eye for detail, ensuring customer records are kept up to date and are accurate Keen to take responsibility for managing customer information in line with GDPR Experience of working with computer systems A Team Player who enjoys collaborating with team mates to deliver that outstanding customer service together, and working together to identify continuous improvement ideas. And through all this achieve core Key Performance Indicators Work Environment The role is an office based within Newcastle, with easy accessible bus and train links. Our working hours are between 8am and 8pm, Monday to Friday and between 9am and 6pm on weekends - we usually work to a 6-8 week shift rotation so that you can plan around shifts with plenty of notice. There is some evening and weekend work, but these shifts are shared out amongst all colleagues. Please apply online today!

Customer Service Representatives - Call Centre Environment Newcastle rate per hour dependent on relevant experience Start date: Early May Our client based in Newcastle is seeking Customer Service Representatives for a 6 month period working in their Newcastle contact centre servicing a well known high street bank. There is high likelihood of permanent employment after the initial 6 month term. The ideal candidate will be happy to be on the phone and will love talking to people and proactively solving issues. You will enjoy working in a contact centre environment providing excellent customer service to customers and you will have excellent phone etiquette and good verbal, written and interpersonal skills. You will have a good eye for detail, ensuring customer records are kept up to date and are accurate and you will be keen to take responsibility for managing customer information with computer systems. Working hours are on a shift basis and between 8am and 8pm, Monday to Friday and between 9am and 6pm on weekends. The team usually work to a 6-8 week shift rotation so that you can plan around shifts with plenty of notice. Comprehensive training will be given. Our client is looking for applicants with customer service experience, ideally in a contact centre. Banking or financial services experience would be ideal. For a chance to work with an organisation with a standout reputation, apply today.