CBSbutler Holdings Limited trading as CBSbutler

Lead Auditor x2 +Permanent opportunity +Hybrid working - Corsham / West Country +SC / DV clearance is essential We are looking for experienced Lead Cyber Security Auditors to join a growing team delivering high-impact assurance services across UK Government and Defence programmes. This role is suited to auditors already operating within NCSC-aligned frameworks , with the ability to lead and deliver audits across nationally significant cyber assurance schemes. Essential Requirements (Must Have) ISO27001 Lead Auditor qualification (or equivalent) Chartered Auditor and Assessor accreditation Active presence on the NCSC Assured Service Provider / Auditor register Proven experience delivering NCSC-aligned audits The Role You will lead the delivery of cyber security audits across frameworks such as CAF, DCC, and GovAssure , supporting government-led cyber resilience initiatives. Key responsibilities include: Leading end-to-end cyber security audits across client environments Assessing compliance against frameworks such as CAF (v3.2 / v4.0) and GovAssure Producing high-quality audit reports with clear, actionable recommendations Engaging with stakeholders to support remediation and continuous improvement Maintaining audit documentation and evidencing to regulatory standards Staying current with evolving NCSC guidance, standards, and best practice What We're Looking For Minimum 3+ years' experience in cyber auditing, compliance, or risk (Public Sector / Defence preferred) Strong working knowledge of NCSC CAF frameworks Experience leading audit engagements and managing audit teams Excellent stakeholder engagement and report writing skills Ability to operate independently in client-facing environments Due to the nature of the roles, applicants must be UK sole nationals and hold UK Security Clearance to SC level, or preferably DV. If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will get in touch.

Senior Test Consultant Location: Hampshire (Onsite) Duration: 18 Months Clearance: D V Clearance required (Active) Rate: 530 to 570 per day - Outside IR35 Overview We are seeking a Senior Test & Trials Consultant to provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on shaping, governing, and assuring test and trial activity , ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership , providing independent challenge, structured guidance, and leadership across complex test environments. Key Responsibilities Provide strategic oversight and assurance of Test & Trials activity across the programme Review and shape Test & Trials Strategies, Plans, and governance frameworks Advise programme leadership on test readiness, risks, and delivery confidence Provide independent challenge to ensure robust validation and assurance practices Support planning and execution of system integration, acceptance, and operational trials Engage with engineering, cyber, and operational stakeholders to ensure coordinated test delivery Produce high-level assurance reporting and readiness assessments Identify delivery risks and recommend mitigation strategies Support transition into service and operational acceptance activities Essential Skills & Experience Active DV Clearance (mandatory) Strong experience delivering Test & Trials consultancy or leadership within secure government or defence environments Demonstrable experience shaping test governance, strategy, and assurance frameworks Background working on secure IT infrastructure or complex systems programmes Experience advising senior stakeholders on test readiness and delivery risk Strong understanding of integration, system, and operational testing principles Ability to operate effectively within highly controlled, security-sensitive environments Desirable Experience Experience supporting MOD, Defence, or National Security programmes Familiarity with secure networks or infrastructure-based delivery environments Experience providing independent assurance or programme-level consultancy Knowledge of structured delivery methodologies (e.g., PRINCE2, ITIL, Agile )

Software Engineer Hybrid - 2 days per week onsite in either Romsey / Gloucester / Woking Up to 60,000 per annum + benefits SC clearance We are looking for a talented Software Engineer to join a cutting-edge team developing software for RF communication and sensor-based products. You'll play a key role in the design, implementation, and testing of product software, working closely within an agile team alongside the Product Owner and System Design Authority. This is a flexible role where you can focus on either modern UI development or embedded software, depending on your expertise. Key Responsibilities Design, develop, and test software components Collaborate within an agile team to deliver high-quality solutions Contribute to the evolution of existing products and future technologies Support technical decision-making in a complex engineering environment Essential Skills & Experience Degree in Engineering, Computer Science, or related field Experience across the full software development lifecycle Knowledge of sensor and communication systems Strong skills in languages such as C++, C#, or Python Familiarity with modern software architecture, agile methods, and tools (e.g. Git, VS Code) Experience with scientific/DSP applications and algorithm implementation Desirable Skills Modern UI development or embedded systems experience Linux, kernel drivers, or cross-compilation DevOps tools (CI/CD, Docker) Team leadership or line management experience If this Software Engineer role is of interest, apply now!

Role: Principal Site Reliability Engineer (Platform / DevOps) Location: Wokingham (Reading) - Hybrid (60% remote / 40% onsite) Duration: 6 Months+ Rate: 500- 520 per day Clearance: Active SC Clearance required (mandatory) Overview We are seeking an experienced Principal SRE / Platform Engineer to lead platform-first initiatives focused on scalability, reliability, and performance across distributed systems. This role requires strong DevOps expertise and the ability to design and maintain resilient cloud-based infrastructure. Key Responsibilities Lead platform-first engineering initiatives to enhance scalability and reliability Design, build, and maintain resilient infrastructure for distributed systems Implement monitoring and alerting solutions to ensure high availability Collaborate with engineering teams to improve system reliability and mitigate risks Develop and maintain CI/CD pipelines to support efficient deployments Recommend ongoing improvements to platform architecture and processes Ensure compliance with security, governance, and regulatory standards Required Skills & Experience Strong background in software engineering for large-scale distributed systems Proficiency in Golang, Java, or Python Hands-on experience with AWS, Azure, or GCP Deep knowledge of Kubernetes and container orchestration Proven experience with CI/CD and infrastructure automation Excellent troubleshooting and communication skills

Senior Software Engineer Hybrid - 2 days per week onsite in either Romsey / Gloucester / Woking Up to 85,000 per annum + benefits SC clearance We are seeking a Senior Software Engineer to join a high-performing team delivering advanced software for RF communication and sensor-based products. You'll lead on the design, implementation, and testing of software components, working closely with the Product Owner and System Design Authority in an agile environment. This role offers flexibility to specialise in modern UI development or embedded software, depending on your expertise. For those with leadership experience, there is scope to take on line management responsibilities and support team development. Key Responsibilities Lead detailed design, development, and testing of software components Contribute to technical decision-making and architecture Collaborate within an agile team to deliver robust solutions Support and evolve existing products and future capabilities Essential Skills & Experience Degree in Engineering, Computer Science, or related field Proven experience across the full software development lifecycle Strong knowledge of sensor and communication systems Experience with modern software architecture and DSP/algorithm development Proficiency in languages such as C++, C#, or Python Familiarity with agile practices (Scrum/Kanban) and tools (Git, GitLab, VS Code) Desirable Skills Modern UI or embedded software development Linux, kernel drivers, or cross-compilation DevOps experience (CI/CD, Docker) Team leadership or line management experience If this Senior Software Engineer role is of interest, apply now!

AWS DevOps Engineer +6 months + +Fully remote working +SC cleared - must hold current active clearance +Sole British nationals only - due to nature of the project Skills: +AWS +DevOps Engineer +Kubernetes +Public Sector experience +Testing experience - can set the Testing process up from beginning to end and to be able to own it We're looking for an experienced AWS DevOps Engineer to design, build, and optimise secure, scalable cloud environments in a fully remote role. Key Responsibilities Deliver Infrastructure as Code using Terraform, CloudFormation, or Ansible Build and manage containerised environments with Docker and Kubernetes Architect and optimise AWS services across compute, networking, storage, and security Design and maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, CircleCI) Automates testing, integration, and deployment processes. Embed DevSecOps practices using tools such as SonarQube, Snyk, and OWASP Implement monitoring and logging (Prometheus, Grafana, ELK) Experience Required 5-10+ years in DevOps / Cloud Engineering Testing experience - can set the Testing process up from beginning to end and to be able to own it Strong AWS architecture and security expertise Proven IaC and CI/CD delivery experience Solid Docker and Kubernetes knowledge Ability to influence stakeholders and mentor teams Fully remote, high-impact role within a forward-thinking cloud engineering team. If you'd like to discuss this AWS DevOps Engineer in more detail, please send your updated CV to (url removed) and I will get in touch.