CBSbutler Holdings Limited trading as CBSbutler
Corsham, Wiltshire
Network Engineer months + +DV cleared - current active clearance +Hybrid working in Corsham +Inside IR35 + 575 - 625 a day We are seeking an experienced Network Consultant / Network Engineer to join a highly skilled technical team responsible for the design, development, implementation and support of complex, secure network infrastructures. This role will focus on designing, building and validating both physical and virtual networking solutions within a highly secure environment. You will work across the full engineering lifecycle, from requirements and design through to implementation, testing, documentation and operational support. This is an excellent opportunity for a network professional operating at CCNP level or above who enjoys working across architecture, implementation, testing and stakeholder engagement within challenging and technically demanding environments. Key Responsibilities Design, develop, build and validate network infrastructure components. Produce and review technical design documentation across all stages of the engineering lifecycle. Develop secure, repeatable and scalable network solutions. Configure, implement and test network services and infrastructure. Support wider system integration and testing activities. Work closely with Service Management teams to investigate and resolve technical issues. Participate in technical workshops and stakeholder meetings, presenting and justifying proposed solutions where required. Provide clear engineering documentation and knowledge transfer to support operational teams. Contribute to strategic network infrastructure planning and continuous improvement initiatives. Monitor network performance and analyse traffic to maintain service reliability, security and operational effectiveness. Essential Skills & Experience Demonstrable network engineering experience operating at CCNP level or above . Strong network monitoring and traffic analysis capabilities. Experience configuring and supporting complex network hardware and software environments. Proven ability to produce high-quality technical documentation. Strong stakeholder management and communication skills. Experience working with: VMware ESXi 8.0.3 VMware vSphere 8.0.3 Experience supporting secure and resilient enterprise network environments. Current active DV clearance is essential Highly Desirable Technical Experience Cisco Nexus Cisco IOS XE Leaf and Spine architectures VXLAN Overlay Networks Dual Cloud / Dual Hub DMVPN solutions Layer 3 Multicast (PIM) Firewall technologies including IPS/IDS AAA Management Platforms such as Cisco ISE What We're Looking For The successful candidate will be a technically capable and collaborative engineer who can confidently engage with architects, engineers, service managers and stakeholders across multiple disciplines. You'll be comfortable challenging assumptions, defending technical recommendations and delivering robust network solutions that meet demanding operational requirements. This is an opportunity to work on complex networking challenges within a secure environment, helping to deliver resilient, high-performance infrastructure that supports critical services and operational outcomes. 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.
Jun 25, 2026
Contractor
Network Engineer months + +DV cleared - current active clearance +Hybrid working in Corsham +Inside IR35 + 575 - 625 a day We are seeking an experienced Network Consultant / Network Engineer to join a highly skilled technical team responsible for the design, development, implementation and support of complex, secure network infrastructures. This role will focus on designing, building and validating both physical and virtual networking solutions within a highly secure environment. You will work across the full engineering lifecycle, from requirements and design through to implementation, testing, documentation and operational support. This is an excellent opportunity for a network professional operating at CCNP level or above who enjoys working across architecture, implementation, testing and stakeholder engagement within challenging and technically demanding environments. Key Responsibilities Design, develop, build and validate network infrastructure components. Produce and review technical design documentation across all stages of the engineering lifecycle. Develop secure, repeatable and scalable network solutions. Configure, implement and test network services and infrastructure. Support wider system integration and testing activities. Work closely with Service Management teams to investigate and resolve technical issues. Participate in technical workshops and stakeholder meetings, presenting and justifying proposed solutions where required. Provide clear engineering documentation and knowledge transfer to support operational teams. Contribute to strategic network infrastructure planning and continuous improvement initiatives. Monitor network performance and analyse traffic to maintain service reliability, security and operational effectiveness. Essential Skills & Experience Demonstrable network engineering experience operating at CCNP level or above . Strong network monitoring and traffic analysis capabilities. Experience configuring and supporting complex network hardware and software environments. Proven ability to produce high-quality technical documentation. Strong stakeholder management and communication skills. Experience working with: VMware ESXi 8.0.3 VMware vSphere 8.0.3 Experience supporting secure and resilient enterprise network environments. Current active DV clearance is essential Highly Desirable Technical Experience Cisco Nexus Cisco IOS XE Leaf and Spine architectures VXLAN Overlay Networks Dual Cloud / Dual Hub DMVPN solutions Layer 3 Multicast (PIM) Firewall technologies including IPS/IDS AAA Management Platforms such as Cisco ISE What We're Looking For The successful candidate will be a technically capable and collaborative engineer who can confidently engage with architects, engineers, service managers and stakeholders across multiple disciplines. You'll be comfortable challenging assumptions, defending technical recommendations and delivering robust network solutions that meet demanding operational requirements. This is an opportunity to work on complex networking challenges within a secure environment, helping to deliver resilient, high-performance infrastructure that supports critical services and operational outcomes. 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.
Solution Architect - Farnborough (Hybrid) - 600 - 650 Outside IR35 We are seeking an experienced Solution Architect to help shape and deliver secure, mission-critical digital solutions within Defence and National Security environments. This is an opportunity to work on complex technical challenges where security, reliability, and operational effectiveness are paramount. You'll collaborate with multidisciplinary teams to design innovative solutions that support critical decision-making and mission success. The Role As a Solution Architect, you will play a key role in the design, development, and delivery of secure technology solutions operating in highly regulated and secure environments. Working closely with engineers, developers, architects, and stakeholders, you'll translate operational requirements into robust technical architectures and guide delivery from concept through to implementation. Key Responsibilities Design and architect secure digital solutions for complex Defence and National Security programmes. Develop and deploy Cross Domain Solutions, including design, testing, assurance, and operational use. Interpret user and business requirements and translate them into scalable technical architectures. Assess and recommend products and technologies that meet functional and security requirements. Define technical requirements for bespoke software and infrastructure components. Communicate complex technical concepts to both technical and non-technical stakeholders. Support solution assurance activities and ensure compliance with relevant security standards and guidance. Essential Skills & Experience Cross Domain Solution design, implementation, testing, and assurance. Strong understanding of NCSC guidance and patterns for secure data import and export. Experience evaluating and selecting technology products against solution requirements. Ability to define technical requirements for development teams. Strong stakeholder engagement and communication skills. Knowledge of hardware and software-based cross-domain approaches. Strong understanding of cryptography and Public Key Infrastructure (PKI). Experience working with MOD systems, processes, and assurance frameworks. Desirable Experience Secure-by-Design development methodologies. Data-Centric Security principles. Hardsec Cross Domain appliances. Cloud deployment automation. Strong networking expertise. Experience delivering solutions within highly secure or regulated environments. Security Requirements Due to the nature of the work, applicants must hold or be eligible to obtain UK Security Clearance (SC) . Higher levels of clearance may be advantageous depending on programme requirements. Solution Architect - Farnborough (Hybrid) - 600 - 650 Outside IR35
Jun 25, 2026
Contractor
Solution Architect - Farnborough (Hybrid) - 600 - 650 Outside IR35 We are seeking an experienced Solution Architect to help shape and deliver secure, mission-critical digital solutions within Defence and National Security environments. This is an opportunity to work on complex technical challenges where security, reliability, and operational effectiveness are paramount. You'll collaborate with multidisciplinary teams to design innovative solutions that support critical decision-making and mission success. The Role As a Solution Architect, you will play a key role in the design, development, and delivery of secure technology solutions operating in highly regulated and secure environments. Working closely with engineers, developers, architects, and stakeholders, you'll translate operational requirements into robust technical architectures and guide delivery from concept through to implementation. Key Responsibilities Design and architect secure digital solutions for complex Defence and National Security programmes. Develop and deploy Cross Domain Solutions, including design, testing, assurance, and operational use. Interpret user and business requirements and translate them into scalable technical architectures. Assess and recommend products and technologies that meet functional and security requirements. Define technical requirements for bespoke software and infrastructure components. Communicate complex technical concepts to both technical and non-technical stakeholders. Support solution assurance activities and ensure compliance with relevant security standards and guidance. Essential Skills & Experience Cross Domain Solution design, implementation, testing, and assurance. Strong understanding of NCSC guidance and patterns for secure data import and export. Experience evaluating and selecting technology products against solution requirements. Ability to define technical requirements for development teams. Strong stakeholder engagement and communication skills. Knowledge of hardware and software-based cross-domain approaches. Strong understanding of cryptography and Public Key Infrastructure (PKI). Experience working with MOD systems, processes, and assurance frameworks. Desirable Experience Secure-by-Design development methodologies. Data-Centric Security principles. Hardsec Cross Domain appliances. Cloud deployment automation. Strong networking expertise. Experience delivering solutions within highly secure or regulated environments. Security Requirements Due to the nature of the work, applicants must hold or be eligible to obtain UK Security Clearance (SC) . Higher levels of clearance may be advantageous depending on programme requirements. Solution Architect - Farnborough (Hybrid) - 600 - 650 Outside IR35
CBSbutler Holdings Limited trading as CBSbutler
Rogerstone, Gwent
Senior Storage & Backup Infrastructure Engineer Newport (Hybrid - 3 days onsite) 550 per day (Inside IR35) 6-Month Contract SC Clearance Required An exciting opportunity has arisen for an experienced Senior Storage & Backup Infrastructure Engineer to join a high-profile enterprise infrastructure programme supporting critical services and large-scale IT environments. This role is ideal for an infrastructure specialist with deep expertise in NetApp storage technologies, enterprise backup solutions, and complex data centre environments. You will play a key role in the design, implementation, optimisation and support of business-critical storage and backup platforms while working closely with technical teams, architects and stakeholders. Key Responsibilities Lead the design, implementation and enhancement of enterprise storage and backup infrastructure. Act as the subject matter expert for NetApp technologies across project and operational activities. Deliver infrastructure upgrades, migrations and technical refresh programmes. Evaluate and integrate new hardware and software solutions into existing environments. Provide technical leadership and guidance to engineers and project teams. Produce high-quality technical documentation, implementation plans and operational procedures. Support capacity planning, performance optimisation and storage lifecycle management. Troubleshoot and resolve complex infrastructure issues across storage, backup and SAN environments. Provide 2nd/3rd line support and ensure adherence to service levels and operational processes. Support pre-sales, solution design and effort estimation activities where required. Essential Skills & Experience Strong hands-on experience with NetApp storage platforms (essential). Extensive background in enterprise storage, backup and infrastructure management. Experience working within large-scale, mission-critical environments. Strong knowledge of SAN technologies, storage optimisation and data management. Proven experience delivering infrastructure projects from design through to implementation. Ability to lead technical workstreams and mentor junior engineers. Strong troubleshooting, diagnostic and problem-solving skills. Excellent documentation and stakeholder communication skills. Desirable Experience with virtualisation technologies. Exposure to enterprise backup platforms and disaster recovery solutions. Experience working to strict SLA-driven environments. Microsoft or infrastructure-related technical certifications. Experience within highly regulated or secure environments. If you are interested in this role, please feel free to submit your CV!
Jun 24, 2026
Contractor
Senior Storage & Backup Infrastructure Engineer Newport (Hybrid - 3 days onsite) 550 per day (Inside IR35) 6-Month Contract SC Clearance Required An exciting opportunity has arisen for an experienced Senior Storage & Backup Infrastructure Engineer to join a high-profile enterprise infrastructure programme supporting critical services and large-scale IT environments. This role is ideal for an infrastructure specialist with deep expertise in NetApp storage technologies, enterprise backup solutions, and complex data centre environments. You will play a key role in the design, implementation, optimisation and support of business-critical storage and backup platforms while working closely with technical teams, architects and stakeholders. Key Responsibilities Lead the design, implementation and enhancement of enterprise storage and backup infrastructure. Act as the subject matter expert for NetApp technologies across project and operational activities. Deliver infrastructure upgrades, migrations and technical refresh programmes. Evaluate and integrate new hardware and software solutions into existing environments. Provide technical leadership and guidance to engineers and project teams. Produce high-quality technical documentation, implementation plans and operational procedures. Support capacity planning, performance optimisation and storage lifecycle management. Troubleshoot and resolve complex infrastructure issues across storage, backup and SAN environments. Provide 2nd/3rd line support and ensure adherence to service levels and operational processes. Support pre-sales, solution design and effort estimation activities where required. Essential Skills & Experience Strong hands-on experience with NetApp storage platforms (essential). Extensive background in enterprise storage, backup and infrastructure management. Experience working within large-scale, mission-critical environments. Strong knowledge of SAN technologies, storage optimisation and data management. Proven experience delivering infrastructure projects from design through to implementation. Ability to lead technical workstreams and mentor junior engineers. Strong troubleshooting, diagnostic and problem-solving skills. Excellent documentation and stakeholder communication skills. Desirable Experience with virtualisation technologies. Exposure to enterprise backup platforms and disaster recovery solutions. Experience working to strict SLA-driven environments. Microsoft or infrastructure-related technical certifications. Experience within highly regulated or secure environments. If you are interested in this role, please feel free to submit your CV!