1 to 25 of 44 Contract Network Security Jobs in the UK

Network Security Archtiect 6-month contract Market Rate - Outside IR35 Remote working ACTIVE SC CLEARANCE REQUIRED TO BE CONSIDERED About the Role We are seeking an experienced Network Security Architect to join our team, with responsibility for producing enterprise-grade designs, detailed technical documentation, and security control frameworks for core network environments. You will … play a key role in shaping the security architecture, ensuring robust protection for critical business systems, and providing occasional hands-on support for complex issues. This role will also require you to engage and collaborate closely with Security Assurance teams , ensuring designs, implementations, and processes meet the highest security standards. Candidates with prior experience in this area … will be highly regarded. Key Responsibilities Design and document Network Security Architectures , including high-level and low-level designs (LLDs) and technical diagrams. Define, implement, and articulate core network security controls to meet compliance and operational requirements. Liaise with Security Assurance teams to validate, review, and enhance security solutions. Collaborate with stakeholders to ensure More ❯

Network Security Engineer 6 Month Contract Warwick (Hybrid) £380/day (Outside IR35) Network Security Engineer needed with active SC Security Clearance . 6 Month Contract based in Warwick (Hybrid). Start ASAP in July/August. The vast majority of work is expected to be remote. There may be occasional travel to customer sites … to Data Centres in West/South England. Once or twice a month on average. Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms end client. Key skills, experience + tasks will include: Technical Ownership of a Telecoms end client's Network Security Infrastructure estate, processes, documentation + lifecycle management. Acting … as the technical point of contact for all Network Security related projects, changes and modifications, including firewall rules base. Point of escalation and link to vendor support for Network Security infrastructure incidents. Design of customer networks including input into High-Level and Low-Level design (HLD/LLD). Technical support, change management (physical/remote More ❯

This is a fantastic opportunity to work as a contract Network Security Architect for a major pharmaceutical company, outside IR35, based in Macclesfield. This Network Security Architect role will require 2 days per week on site in Macclesfield. This Network Security Architect poistion will involve designing and implementing end to end network infrastructure … automation capabilities. The key skills required for this Network Security Engineer role are: ZScaler Zero Trust CCNP CCSA/CCSE Palo Alto If you do have the relevant experience for this long term Network Security Architect contract vacancy, please do apply. More ❯

This is a fantastic opportunity to work as a contract Network Security Architect for a major pharmaceutical company, outside IR35, based in Macclesfield. This Network Security Architect role will require 2 days per week on site in Macclesfield. This Network Security Architect poistion will involve designing and implementing end to end network infrastructure … automation capabilities. The key skills required for this Network Security Engineer role are: ZScaler Zero Trust CCNP CCSA/CCSE Palo Alto If you do have the relevant experience for this long term Network Security Architect contract vacancy, please do apply. More ❯

Role: Network & Security Engineer Contract: 6 months (initial) Rate: £500/day (Inside IR35) Location: Onsite - PortsmouthClearance: MUST have SC We are seeking a highly skilled Network & Security Engineer to join a leading organisation based in Portsmouth. Key Responsibilities Extension and redesign of wireless networks Security migrations (Juniper to Fortinet firewalls) Network architecture, design … and optimisation Incident investigation and resolution Implementing approved network changes Measuring and improving infrastructure performance Producing technical documentation and customer updates Administration of IT networks, firewalls, users, and site security Essential Skills & Experience 3+ years' experience as a Network/Security Engineer in a service provider environment Strong knowledge of network security principles and … networking fundamentals (LAN, WAN, VPNs, WiFi, Telephony, Routing & Switching) Hands-on experience with Palo Alto, Cisco ASA, Juniper, Fortinet, Checkpoint or F5 security platforms Industry certifications such as CCNA, CCNP, PCNSE, CCSA or F5-CTS (LTM/ASM) Ability to work semi-autonomously and manage multiple projects simultaneously SC Clearance Reasonable Adjustments: Respect and equality are core values to More ❯

Network Specialist- Inside IR35 - 12 Months. Are you a skilled Network Specialist looking for a new challenge? One of Loriens leading Public Sector Clients is seeking a talented individual to join their team and play a crucial role in supporting and maintaining their robust network infrastructure. This position will require in office working in Edinburgh based offices … days a week. The Role of the Network Specialist As the Network Specialist, you will be responsible for the support and maintenance of this company's network and Network Security Infrastructure. Your primary focus will be to ensure that all network components, including switches, firewalls, routers, and Unified Communication platforms for video and voice … for all users. Additionally, you will contribute to the company's Digital Strategy, supporting the continuous enhancement of their service offerings. Required Skills and Experience To excel in this Network Specialist role, you should possess the following qualifications and experience: Formal training in IT, preferably in Network Technologies and Unified Communications Support/Design, as evidenced by certifications More ❯

Network Architect 6 Month contract initially Based: Hybrid - Maximum of 3 days p/w - Coventry Rate: £450 - £550 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. … We have a great opportunity for a highly experienced Network Architect to join the team. The Network Security Architect will consider the HD architecture and the culture of the organisation along with the operating model and factor this into their solution selection and design. They will challenge themselves to strive to find the right solution and not … deliver the textbook happy-path solution. Key Responsibilities: The Network Security Architect will look at the wider network security roadmap and network roadmap and look at how their solution sits within that wider architecture challenging the need and the approach taken for their solution looking for efficiencies with wider changes to consolidate technology platforms, to More ❯

Cloud Security Engineer (Azure/GCP) - Contract Key Responsibilities Develop, implement, and manage cloud security policies and solutions for GCP and Azure environments. Configure and maintain security services and tools within Google Cloud Platform (e.g., Cloud IAM, Security Command Center, VPC Service Controls) and Azure/M365 (e.g., Azure Security Center, Azure AD, Microsoft Defender … for Cloud). Conduct regular security assessments, vulnerability scanning, and penetration testing of cloud infrastructure and applications. Monitor cloud environments for security threats, anomalies, and incidents, and lead incident response efforts. Collaborate with development, operations, and compliance teams to integrate security best practices into the CI/CD pipeline and ensure secure configurations. Develop and enforce security policies, standards, and guidelines for cloud services, ensuring alignment with regulatory requirements and internal security frameworks. Provide expertise and guidance on data protection, network security, and identity and access management within cloud platforms. Preferably, assess and enhance the security of Salesforce, including data security, access controls, and compliance. Desirable Qualifications: 6+ years of experience More ❯

Cloud Security Engineer (Azure/GCP) - Contract Key Responsibilities Develop, implement, and manage cloud security policies and solutions for GCP and Azure environments. Configure and maintain security services and tools within Google Cloud Platform (e.g., Cloud IAM, Security Command Center, VPC Service Controls) and Azure/M365 (e.g., Azure Security Center, Azure AD, Microsoft Defender … for Cloud). Conduct regular security assessments, vulnerability scanning, and penetration testing of cloud infrastructure and applications. Monitor cloud environments for security threats, anomalies, and incidents, and lead incident response efforts. Collaborate with development, operations, and compliance teams to integrate security best practices into the CI/CD pipeline and ensure secure configurations. Develop and enforce security policies, standards, and guidelines for cloud services, ensuring alignment with regulatory requirements and internal security frameworks. Provide expertise and guidance on data protection, network security, and identity and access management within cloud platforms. Preferably, assess and enhance the security of Salesforce, including data security, access controls, and compliance. Desirable Qualifications: 6+ years of experience More ❯

Firewall Security Engineer 6 Month Contract Warwick (Hybrid) £380/day (Outside IR35) Firewall Security Engineer needed with active SC Security Clearance and in-depth experience of F5 firewalls. 6 Month Contract based in Warwick (Hybrid). The vast majority of work is expected to be remote, plus occasional travel to Data Centre sites in the West …/South of England, on average once/twice a month. Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms client. Key skills, experience + tasks will include: Must have in-depth F5 firewalls experience, plus Checkpoint or Juniper firewall security skills. Technical Ownership of a Telecoms end client's Network Security Infrastructure estate, processes, documentation + lifecycle management. Acting as the technical point of contact for all Network Security related projects, changes and modifications, including firewall rules base. Point of escalation and link to vendor support for Network Security infrastructure incidents. Design of customer networks including input into High-Level and Low-Level design More ❯

Firewall Security Engineer 6 Month Contract Warwick (Hybrid) £380/day (Outside IR35) Firewall Security Engineer needed with active SC Security Clearance and in-depth experience of F5 firewalls. 6 Month Contract based in Warwick (Hybrid). The vast majority of work is expected to be remote, plus occasional travel to Data Centre sites in the West …/South of England, on average once/twice a month. Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms client. Key skills, experience + tasks will include: Must have in-depth F5 firewalls experience, plus Checkpoint or Juniper firewall security skills. Technical Ownership of a Telecoms end client's Network Security Infrastructure estate, processes, documentation + lifecycle management. Acting as the technical point of contact for all Network Security related projects, changes and modifications, including firewall rules base. Point of escalation and link to vendor support for Network Security infrastructure incidents. Design of customer networks including input into High-Level and Low-Level design More ❯

Security Architect/ConsultantUtilitiesPredominantly remote: 1 day onsite in Warwick per month6 months+£650 per day In short: We're seeking a mid-level Security Architect/Consultant to support the business with a number of broad cyber initiatives. We're looking for a generic IT Cyber Architect/Consultant - nothing niche. In full: Job Purpose: The Security Consultant will support the Senior Security Architect, Lead Security Architect and Senior Security Officer to define security requirements and connect the business and IT programmes into the wider security organisation. Primary Roles & Responsibilities: Providing a security consultancy steer to programmes and projects, on security related matters. This includes formal input to projects … during the start-up, requirements, and design stages to ensure that security has been considered and is appropriate. Security review and design of application and technology architectures. Coordination of technical design/review activities with various segments within the Security team. Evaluation of systems and procedures to safeguard internal information systems and databases. Continuous view toward standardisation More ❯

Network Architect 12 months Remote Active SC clearance required, eligible candidates will be considered Inside IR35 - Umbrella only Role Description: Network Architect responsible for key aspects of design, implementation and evolution of network architecture for the ESN programme. Role requires deep network technical expertise and strategic planning and leadership skills to ensure delivery of a mission … critical, robust, highly resilient, scalable, secure and high-performing network solution. Candidates need to work closely with the IBM Design Authority team, Data Center Infrastructure Supplier and Security Teams to align the overall network approach and delivery. Responsibilties: Network Architecture and Design for a mission critical system with on-prem network delivery Network Approach … and Delivery Management including inputting into programme plans Technology Leadership Security and Compliance Integration with Cloud based solutions Public Sector Standards and Compliance Team Leadership and Compliance Key Network High Level and Low-Level Design Documentation Required Skills: Proven track record in network architecture/engineering and network delivery on-prem and integration with Cloud solutions More ❯

an inclusive environment that helps them thrive. Are you ready to make a significant impact in the Utilities sector? Our client is seeking a talented and dedicated Networks and Security Support Engineer to join their dynamic team. This is your chance to enhance the security posture of a vital infrastructure while working in a fast-paced environment. If … you have a passion for network security and a proactive approach to problem-solving, we want to hear from you! Role: Networks and Security Support Engineer Duration: 6 Months Location: Reading Rate: £325 per day (umbrella) What You'll Do: As a Networks and Security Support Engineer, you will play a crucial role in monitoring, managing … and responding to security incidents. Your responsibilities will include: Controlling communications at external and internal system boundaries using firewalls, Intrusion Protection Systems (IPS), and Security Information and Event Management (SIEM) tools. Updating and maintaining network access control (NAC) and antivirus solutions. Monitoring and reviewing logs to detect unauthorized access attempts and ensure compliance with security policies. More ❯

NETWORK ENGINEER 6 MONTHS FTC SANDIACRE, NG10 5AN (ONSITE) COMPETITIVE SALARY Progress Rail is looking to recruit a Network Engineer to design and implement functional network infrastructure and security, providing first and second level technical support to all internal clients/employees. The position monitors, troubleshoots, and diagnoses network performance, confidentiality, integrity and availability. THE … ROLE: As a Network Engineer your duties will include: Engineering projects to address and resolve business needs Design and deploy functional networks (LAN, WLAN, WAN) Configure and install software, servers, routers and other network devices Monitor network performance and integrity Resolve issues tiers of support have escalated by troubleshooting cloud and local infrastructure Automate tasks and monitor … their effectiveness Mentor team members on technical issues Create, oversee and test security measures (e.g. access authentication and disaster recovery) Communicate with users when needed Maintain complete technical documentation Suggest improvements to network performance, capacity and scalability THE CANDIDATE: The ideal Network Engineer: IT related degree qualification 5+ years IT related work experience Strong networking background with More ❯

Cloud Security Engineer - London - £480/pd Outside IR35 Please note - this role will require you to work from the London based office 1-2 days per week. You must have the unrestricted right to work in the UK to be eligible for this role. About the Role A digitally driven reinsurance broker is seeking a Cloud Security Engineer to play a key role in strengthening its cloud security posture across multi-cloud environments. This is a hands-on contract role focused on designing, implementing, and maintaining secure cloud environments, with a strong emphasis on leveraging the latest Google Cloud Platform (GCP) technologies. You'll work closely with engineering, operations, and compliance teams to embed security best practices across platforms including GCP, Azure, and M365. Key Responsibilities Design, implement, and manage cloud security policies and solutions for GCP and Azure. Configure and maintain security tools such as Cloud IAM, Security Command Center, VPC Service Controls, Azure Security Center, Azure AD, and Microsoft Defender for Cloud. Conduct security assessments, vulnerability scans More ❯

Cloud Security Engineer - London - £480/pd Outside IR35 Please note - this role will require you to work from the London based office 1-2 days per week. You must have the unrestricted right to work in the UK to be eligible for this role. About the Role A digitally driven reinsurance broker is seeking a Cloud Security Engineer to play a key role in strengthening its cloud security posture across multi-cloud environments. This is a hands-on contract role focused on designing, implementing, and maintaining secure cloud environments, with a strong emphasis on leveraging the latest Google Cloud Platform (GCP) technologies. You'll work closely with engineering, operations, and compliance teams to embed security best practices across platforms including GCP, Azure, and M365. Key Responsibilities Design, implement, and manage cloud security policies and solutions for GCP and Azure. Configure and maintain security tools such as Cloud IAM, Security Command Center, VPC Service Controls, Azure Security Center, Azure AD, and Microsoft Defender for Cloud. Conduct security assessments, vulnerability scans More ❯

Azure Cloud Security Architect – £700/day – Outside IR35 – Hybrid (Cardiff) We’re working with a major organisation undergoing a large-scale Azure transformation. They’re seeking a Cloud Security Architect with deep Azure expertise to lead the design and implementation of secure cloud solutions. Key Details: Location: Cardiff (Hybrid – 2 days/week on-site) Rate: Up … to £700/day IR35 Status: Outside IR35 Contract Length: 6 months (strong extension potential) Start Date: ASAP Role Overview: As the Azure Cloud Security Architect, you’ll play a critical role in shaping the organisation’s cloud security posture. You’ll work across architecture, engineering, and compliance teams to ensure secure-by-design principles are embedded throughout … the Azure environment. Key Responsibilities: Design and implement secure Azure cloud architectures Lead threat modelling, risk assessments, and security reviews Define and enforce cloud security policies and governance Integrate security into CI/CD pipelines and DevOps practices Provide guidance on Azure-native security tools (e.g., Defender for Cloud, Sentinel, Key Vault, Azure Policy) Support zero More ❯

Network Engineer – 3–6-month contract As part of a major business demerger, my customer is looking for a talented and adaptable Network Engineer to help shape and support the infrastructure of a recently formed company. You’ll play a vital role in ensuring the new environment is built with resilience, scalability, and security in mind—working … across both BAU operations and transformation projects. The Network Engineer is required to have strong experience with Cisco Meraki and Palo Alto firewalls. Key responsibilities of the Network Engineer: Manage Cisco Meraki solutions and Palo Alto firewalls (including Panorama and PAN-OS). Support and maintain day-to-day network operations (BAU) while contributing to project delivery … related to the demerger. Design, configure, and manage LAN, WLAN, and WAN infrastructure. Troubleshoot and resolve network issues across the enterprise. Work collaboratively with IT teams and stakeholders to ensure robust, secure, and high-performing network services. Interpret and implement low-level designs, configurations, and support procedures. Contribute to automation and scripting efforts for improved efficiency and consistency. More ❯

Our client, a leading global organization, is partnering with a prestigious end client based in Reading. Were excited to offer an outstanding opportunity for a Security Architect with strong background in financial services to join a dynamic team on an initial 6-month contract. If you are interested and have the relevant skills and experience, please apply promptly to … discuss further. Location: Reading, UK (Hybrid 4 days onsite) Contract Duration: 6 Months Rate: £700 - 750 Inside IR35 About the Role We are seeking an exceptionally experienced Security Architect to join a major transformation programme in the financial services sector . This is a hands-on, strategic role that involves shaping cloud security architecture, influencing senior stakeholders, and … helping build secure, resilient systems in one of the most tightly regulated industries in the world. Why This Role is Unique Step into a mission-critical role influencing the security posture of a major financial player. Collaborate on high-scale, multi-cloud projects using cutting-edge technologies (AWS, Azure, GCP). Be part of a forward-thinking environment focused More ❯

We are looking for a network engineer for this manufacturing client based in Sandiacre, working a fixed term contract of 6 monthsThe Network Engineer is responsible for implementing and maintaining functional network infrastructure and security, providing first and second level technical support to all internal employees. The position monitors, troubleshoots, and diagnoses network performance, confidentiality … days per week. You will need to be proficient using Cisco, processes are in place you will just need to maintain and make improvements. The role as a network engineer; Engineering projects to address and resolve business needs Design and deploy functional networks (LAN, WLAN, WAN) Configure and install software, servers, routers and other network devices Monitor network … Resolve issues tiers of support have escalated by troubleshooting cloud and local infrastructure Automate tasks and monitor their effectiveness Mentor team members on technical issues Create, oversee and test security measures (e.g. access authentication and disaster recovery) Maintain complete technical documentation Suggest improvements to network performance, capacity and scalability Skills and Experience required for this network engineers More ❯

About the opportunity We are seeking a highly skilled and versatile network engineer to join our Amentum International team. The role holder will possess expertise in hybrid environments (on-prem, Azure, SASE). The role holder will lead the design, implementation, and maintenance of resilient network infrastructure that ensures optimal reliability, scalability, and performance. Reporting to the Tech … Services Manager, you will be working as a part of a small but highly proactive and passionate team providing remote and on-site network infrastructure support for our enterprise end users (internal users), across the UK, EMEA, APAC (approx. 7,500 users). You will also collaborate with colleagues at our USA central (HQ) technology team. The base office … will be required to visit the office weekly. Responsibilities Work across BAU operations and projects & programmes Design and deploy functional networks (LAN, WLAN, WAN) Configure and install software and network devices Monitor network performance and integrity Resolve support issues that have escalated by troubleshooting cloud and local infrastructure Automate tasks and monitor their effectiveness Create, oversee and test More ❯

Interim AWS Security Architect - Financial Services Robert Half is recruiting on behalf of a global consulting firm for an experienced AWS Security Architect to become an associate for a global consulting firm on a large-scale cloud security programme for a major financial services organisation. The focus is on designing, building, and securing AWS applications, container platforms … and cloud network infrastructure in direct collaboration with AWS. Key Details: Start: ASAP (c. 2-week lead time for onboarding and paperwork) Location: Remote but may need a day flexibility in City of London Duration: 1 2-month contract strong likelihood of extension Rate: £600.00 p/day via PAYE ( PLUS 12.07% accrued holiday pay ) via PAYE with employer … fees Requirements: Must have experience working in financial services, ideally banking Deep experience in designing, building, and securing applications in AWS as a core role focus (not generalist cloud security) Expertise in container platform security, including EKS and use of service mesh Strong cloud network security background covering firewalling, network segmentation, VPC design , and Direct More ❯

Our client, a prestigious company within the technology sector, is currently seeking a skilled Firewall Security Consultant to join their dynamic team in Knutsford. This contract role requires a balance of on-site presence (2 days per week) and remote work. The primary focus is on ensuring firewall and proxy compliance, security signoff for change requests, service improvement … relationship management, and staff development within the cybersecurity framework. Key Responsibilities: Become an SME on the Skybox firewall security toolset Enforce security and control objectives adhering to Standards, Policies, and Procedures Meet requirements of key internal and external stakeholders Assess change integrity in architecture design, firewall/proxy deployment, and rule implementations Perform gatekeeper role for all firewall … and proxy infrastructure related change activities adhering to SLAs Identify potential security risks and minimise exposure to the organisation Identify improvements/automation possibilities for BAU tasks Develop and maintain constructive and respectful relationships with internal and external stakeholders Job Requirements: Information Security Knowledge - Essential Detailed understanding of all firewall types In-depth knowledge of network security More ❯

Job Title: Network Wireless Engineer Location: Reading Experience: 5+ years Job Summary: We are looking for a skilled Network Wireless Engineer to design, implement, and maintain wireless network infrastructure. The ideal candidate will have hands-on experience with wireless technologies, troubleshooting connectivity issues, and ensuring optimal network performance. Key Responsibilities: Design, deploy, and maintain wireless LAN … Wi-Fi) networks. Perform site surveys and wireless coverage analysis. Troubleshoot wireless connectivity issues and resolve performance bottlenecks. Monitor wireless network health and implement improvements. Ensure security of wireless communications through proper configuration and encryption. Collaborate with IT teams for network upgrades and configurations. Required Skills: Strong understanding of wireless protocols (802.11a/b/g/… n/ac/ax). Experience with wireless controllers, access points, and antennas (e.g., Cisco, Aruba, Ubiquiti). Knowledge of network security and authentication methods. Familiarity with tools like Ekahau, NetSpot, or AirMagnet. Basic understanding of wired network infrastructure and IP networking. Preferred Qualifications: Bachelor's degree in Computer Science, IT, or related field. Relevant certifications More ❯