1 to 25 of 56 Contract Network Security Jobs

Summary: We are seeking an experienced and strategic Network Security Architect to design secure, scalable, and resilient network architectures across the enterprise. The ideal candidate will possess deep knowledge of : Traditional network infrastructure - LAN; WAN; WIFI etc Cybersecurity including Zero Trust Architecture Cloud Security Architecture Be capable of aligning security controls with business objectives … and compliance requirements. Key Responsibilities: Lead the design and implementation of secure network architectures for on-premises, cloud, and hybrid environments. Define network security standards, frameworks, and policies aligned with industry best practices (e.g., NIST, ISO 27001, CIS). Develop and maintain secure designs for firewalls, VPNs, intrusion prevention systems (IPS/IDS), network segmentation, and … zero trust network access (ZTNA). Collaborate with IT, cloud, and cybersecurity teams to ensure secure integration across systems and applications. Lead architectural reviews and assurance of designs working with System Integrators & partner resources. Conduct threat modeling and risk assessments on network infrastructure and recommend mitigations. Support incident response teams during network-related security incidents and More ❯

Role: Network & Security Engineer Rate: Inside IR35 Location: Full time onsite in Harmondsworth, West Drayton Duration: 6-months initially The Role We are looking for Network L2 and L3 admins for one of the major airlines in the UK. This role is customer-facing and requires strong technical hands-on and good communication skills as outlined below. … OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software, and alerts events. * Triage or troubleshoot the issues & incident, within the defined areas. Follow Standard Operating Manuals and coordinate with … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN More ❯

Network & Security L2 Administrator Contract Location: West London Office-Based Rate: Competitive DOE, inside IR35 Duration: 6 months initially Shift Pattern: 24/7 support environment with rotational shifts and days off Our client, a global consultancy, is looking for experienced Level 2/3 Network & Security Administrators to deliver high-impact technical support across a … large, complex enterprise network. Key Responsibilities: Provide L2/L3 support across OSI Layers 17 Troubleshoot and resolve issues across wired, wireless, and cloud-enabled networks Monitor network health using advanced diagnostic and monitoring tools Implement and support Cisco WLAN Controllers, SSIDs, Access Points Configure and troubleshoot routing protocols OSPF, BGP, EIGRP, VLANs, NAT, etc. Administer and maintain firewalls … and internal teams to resolve incidents Handle major incidents and proactively mitigate risks Your Profile: Essential Skills & Experience: Routing & Switching (Cisco, Juniper OEMs) Core protocols: OSPF, BGP, EIGRP, NAT Network security: VPNs, Checkpoint Firewall, Cisco ISE F5 LTM (iRules, SSL, upgrades) DNS/DHCP, IPAM Experience with LAN, WAN, SD-WAN, and wireless networks Strong problem-solving and More ❯

Network & Security L2 Administrator 6 Month contract initially Based: Onsite - West Drayton Rate: £400 - £425 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 a great … opportunity for a number of Network & Security L2 Administrators. Key Responsibilities: * Candidates should have a strong working knowledge of OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN More ❯

Job Specification: Cisco Network Engineer Location: North Wales (Multi-site) Job Type: Contract Overview: We are seeking an experienced Cisco Network Engineer to join our team in supporting a Healthcare Organisation. The role involves the development, support, and maintenance of Cisco-based network infrastructure across multiple sites in North Wales. Key Responsibilities: Design, develop, and maintain Cisco … network infrastructure, ensuring optimal performance and availability. Provide support and troubleshooting for Cisco management systems, telephony solutions, and other IP network components. Ensure the security of the network through the management of firewalls, VPNs, and access controls. Monitor network performance, addressing issues promptly to minimise downtime. Work closely with stakeholders to implement and refine network solutions that meet organisational requirements. Maintain comprehensive documentation, including network diagrams and procedural guidelines. Liaise with vendors and service providers for upgrades and technical support. Travel to various sites across North Wales to provide on-site assistance as required. Required Skills and Experience: Proven experience as a Cisco Network Engineer, ideally within a multi-site environment. Proficiency More ❯

Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to … infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance switching environments … Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of More ❯

Role: Network & Telecoms Engineer Location: Norwich (Hybrid) Duration: 3 Months Day rate: £172 (Umbrella PAYE) About the Role: We're looking for an experienced Network & Telecoms Engineer to join our IT team and support the design, implementation, and maintenance of our network, security, and telephony systems. You'll work closely with technical teams and project managers … is a key hands-on role where you'll also provide 2nd/3rd line support and take part in the on-call rota. Key Responsibilities: Maintain and improve network, telephony, and security infrastructure. Lead technical delivery for new IT infrastructure projects. Diagnose and resolve complex network issues. Provide 2nd/3rd line support and assist the … IT Service Desk. Ensure systems meet security and performance standards. Work with external suppliers and internal teams to support service delivery. Contribute to documentation and process improvements using ITIL practices. What We're Looking For: Degree in IT, networking, or a related field. Cisco CCNA (or equivalent) - essential. Experience in large, complex network environments. Strong troubleshooting and communication More ❯

Job Title: Technical Support Engineer - Azure Security Job Description As a Technical Support Engineer, you will serve as a frontline technical resource for customers and partners via phone, email or web. You will deliver unique value by collaboratively and reactively solving customer problems, providing proactive support advice, and contributing to product quality and enhancements. You will be part of … case triage meetings to share knowledge with other engineers. Essential Skills Technical support experience or experience working with customers in the IT industry. Excellent communication skills. Strong understanding of network security principles and practices. Knowledge of cybersecurity fundamentals such as encryption, authentication, and authorization. Understanding of cloud computing concepts. Familiarity with the TCP/IP stack. Understanding of … DNS principles and protocols. Understanding of HTTP principles and methods (GET, POST, PUT, DELETE, etc.). Familiarity with Microsoft Azure cloud service provider. Understanding of network protocols. Familiarity with Windows and Linux server environments. Familiarity with Active Directory and Azure Active Directory/ENTRA. Additional Skills & Qualifications Basic skills in scripting languages are a plus. Fluency in English, with More ❯

Project Manager – Networking Wea re looking for a strong Network Project Manager who is committed to delivering innovative IT solutions and high-performance network infrastructure. We are seeking an experienced and proactive Network Project Manager to oversee the delivery of complex network projects, ensuring timely execution, budget control, and alignment with business objectives. Key Responsibilities and … Required Skills Plan, coordinate, and manage end-to-end network infrastructure projects including LAN/WAN upgrades, cloud integration, and network security enhancements. Collaborate with stakeholders, vendors, and cross-functional teams to define project scope, goals, and deliverables. Develop detailed project plans, schedules, budgets, and resource allocations. Monitor and track project progress, identifying risks and implementing mitigation … strategies. Ensure compliance with organizational standards, policies, and best practices. Lead technical teams to ensure proper installation, configuration, and maintenance of network systems. Provide regular status reports and updates to senior management and stakeholders. Proven experience (5+ years) as a Network Project Manager or in a similar role within IT infrastructure. Strong understanding of network technologies (e.g. More ❯

Our client is urgently seeking a skilled and experienced Network Engineer to support a fast-paced build and deployment programme on an initial 4-week contract . This is a fantastic opportunity to jump into a hands-on role where your experience will make an immediate impact. Technical Experience: Advanced knowledge of Fortinet products and network security solutions Strong experience with cloud networking (especially Azure) Proficient in software-defined networking (SDN) and network virtualization Hands-on experience with scripting and automation tools (e.g., Python, Ansible) Certifications & Qualifications: CCNP (Cisco Certified Network Professional) or equivalent CCNA or equivalent industry certification Fortinet NSE Level 4+ certification or higher Microsoft 365 and Azure certifications or equivalent Full More ❯

Role Description Background We are seeking a dynamic and experienced Head for our clients Digital Networks Product Group. The role will be responsible for management of a portfolio of network products, mainly delivered by a major provider of networks services, across multiple networks and security tiers. The ideal candidate will have a strong background in product management across … for creating innovative solutions that enhance employee productivity and collaboration. The role will be responsible for executing a product strategy that aligns with business goals, while ensuring that the network offerings meet the evolving needs of our users, including meeting required national security requirements. You will initially be working within digital transformation programmes to build new digital networks … offering, selecting and on-boarding a supplier, transitioning them into service and then working with them to transform network services and technologies across multiple security tiers. Accountability The Head of Digital Networks Product Group is responsible for executing the organisation's network strategy, including a major programme of change to software defined networks. This role will work More ❯

a well known organisation in the Insurance space on a contract basis Responsibilities Responsible for the technical architecture applied for the implementation of the end to end Infrastructure, Cloud & Security Services Working closely with the client/customer to develop a vision and roadmap for the Infra, Cloud & Security Services Requirements Demonstrable precious experience as an Enterprise Architect … on large scale infrastructure projects Expertise in Azure & AWS cloud platforms Strong knowledge of network security, firewalls, VPNs, and identity management. Experience with Unix/Linux and Windows server administration. Familiarity with backup technologies, disaster recovery, and storage solutions. This is an urgent requirment, so don't heistate to apply if interested! InterQuest Group is acting as an More ❯

Network Security Engineer – Cheshire Network Security Engineer – Cheshire – Hybrid/Inside IR35 – Our client is urgently looking for a Network Security Engineer who is Palo Alto Certified with commercial experience of Zscaler – Zscaler and Palo Alto are essential components of this contract specification. Also required are the following skills:- IT Related Degree Proven experience … in network security, a strong understanding of network security fundamentals, encryption technologies, secure network design principles. Experience of trouble shooting firewalls. Cisco, Palo Alto etc,. Knowledge of intrusion detection/prevention systems and security incident response. Palo Alto Certification If this could be your next contract please forward your cv in the first More ❯

Network Security Engineer 2-3 month Contract London (Hybrid) £335/day Outside IR35 Network Security Engineer required for an initial 2–3 month rolling contract, with an immediate start — ideally available by July 2025. This role is primarily remote, with occasional travel to a client site in London. A chance to work with an established … global IT and Digital transformation consultancy for an end client in the Telecoms domain. Key Skills and experience: Strong network security skill set including Checkpoint firewalls (NGFW) and F5 load balancers (BIG-IP) Proficient in configuring, managing, and troubleshooting Checkpoint firewalls and security policies Hands-on experience with F5 BIG-IP for load balancing, application delivery, and … traffic management In-depth knowledge of Cisco LAN/WAN environments (routers, switches, ASA, Catalyst, Nexus) Extensive experience in networking and security , including migration , configuration , and troubleshooting Expert-level knowledge of network architecture and security solutions , ensuring minimal disruption during transitions Proven ability to lead and assist in network infrastructure migrations Skilled in configuring, managing, and More ❯

Network IT Recruitment is currently hiring for a Network Engineer, to join a client of ours on a 6 month initial contract. Our client is a growing business, providing project based services to their customer base, and are about to embark on a network refresh project, involving an end to end enterprise network deployment at a … at CCNA level. They are looking for experience specifically with the Catalyst series, along with ISE and DNA Centre. It would be great if you have good knowledge of network security, and working in a secure environment, on the site. Role Title: Network Engineer Contract Duration: 6 Months Rate: £350 to £400 per day (plus expenses) Status … Outside IR35 Location: Lancashire (Must be flexible for other locations in the UK) Key Skills: CCNP Certified Network Engineering background, in a hands-on environment Design, Build and Test experience network design through to commissioning Cisco Networking Kit: Catalyst, ISE, DNA Centre Network Segmentations, 802.1x, NAC Delivering secure networking solutions, in a sensitive environment (SC Cleared) Comfortable More ❯

Security Solution Architect (Networking/IT/SCADA) Utilities Predominantly remote: onsite in Warwick maybe 1 day per month 6 months £800 per day In short: Security Solution Architect, ideally, from a Utilities background (CNI and/or OT) required to review and design controls for multi-tier network architecture (IT and OT). You will wear … hats; 1 is to overlay controls on existing designs and the second is solution design security tooling for networks. Strong knowledge around CAF is required to be successful in this role. In full: As a Security Solution Architect, you'll lead the evaluation and design of security solutions to protect the assets and infrastructure for a large … gas client. You will work closely with the business, project teams, and technical architects to ensure solutions comply with regulatory and security controls requirements. You'll combine excellent communication skills, strong technical knowledge (including emerging Digital technologies), and a practical approach to real-world risk reduction. Key responsibilities include the following: Securely integrate new technology capabilities into business products More ❯

Cyber Security Team Lead – Hybrid – Cardiff – Contract VIQU have partnered with a public-sector client based in Cardiff, who are seeking a Cyber Security Team Lead to support a small cyber security team on a contract basis. Role overview: The Cyber Security Team Lead role will involve combining hands-on technical delivery and leadership of a … small team. The successful Cyber Security Team Lead will: Lead operational security activities and support the delivery of our client's cyber security programme. Act as a Security Analyst with strong experience in Microsoft Defender (Endpoint, Cloud, Office) and Sentinel, helping to develop Sentinel use further within the organisation. Lead a small team and provide leadership … projects, risk management and improvements. Support the development and implementation of policies and standards aligned to frameworks such as ISO 27001. Key skills & experience: Hands-on experience as a Security Analyst, in addition to some management/leadership experience. Strong working knowledge of Microsoft security products, including Defender and Sentinel. Solid understanding of endpoint, server, and network More ❯

Security Architect (Utilities/Guardrails) Utilities Predominantly remote: onsite in Warwick maybe 1 day per month 6 months £800 per day In short: Security Architect, ideally, from a Utilities background (CNI and an appreciation of OT) required to review and design control guardrails covering Cloud and on-prem technology. Strong knowledge around CAF is required to be successful … in this role. In full: As a Security Architect, you'll lead the evaluation and design of security solutions to protect the assets and infrastructure for a large gas client. You will work closely with the business, project teams, and technical architects to ensure solutions comply with regulatory and security controls requirements. You'll combine excellent communication … a practical approach to real-world risk reduction. Key responsibilities include the following: Securely integrate new technology capabilities into business products and services, with a focus on ensuring the security of gas operations Define and document security architecture blueprints for new systems and applications, including threat modelling and risk assessments Establish security standards, best practices, and design More ❯

Senior Network Engineer – Juniper As a Juniper Network Engineer, you will be responsible for designing, deploying, managing, and troubleshooting Juniper-based network solutions. You’ll work with a team of network professionals to ensure seamless operations, optimize performance, and maintain the highest levels of security and uptime. Key Responsibilities: Design, configure, and maintain Juniper routers … switches, and firewalls (MX, EX, SRX series) Implement and troubleshoot BGP, OSPF, MPLS, and VPN solutions Monitor network performance and perform tuning to ensure optimal efficiency Ensure network security through policies, firewall rules, and regular audits Perform firmware upgrades, patching, and regular system maintenance Provide Tier 2/3 support and troubleshooting for escalated network issues … Maintain comprehensive documentation of network architecture and configurations Work collaboratively with internal teams and external vendors Required Skills and Qualifications: Proven experience with Juniper networks Strong hands-on experience with Junos OS Solid understanding of routing protocols (BGP, OSPF, RIP, MPLS) Experience with network security, firewall configurations, and VPNs Familiarity with network monitoring tools (SolarWinds, Nagios More ❯

Role Overview: Worldwide but working UK hours/Start ASAP/12months + possible extension We are seeking an experienced and highly skilled Forescout NAC Consultant to join our network security team. You will be responsible for the design, deployment, integration, configuration, and optimization of the Forescout Platform to enhance our organization's visibility, compliance, and access control … capabilities across the network. This role requires a deep understanding of NAC solutions, network infrastructure, endpoint compliance, and cybersecurity best practices. Key Responsibilities: Assess current network security posture and recommend NAC strategies leveraging Forescout CounterACT . Lead the deployment, configuration, and customization of Forescout NAC solutions across various network environments (wired, wireless, VPN). Design and … implement dynamic policy enforcement , including endpoint profiling, posture assessment, and automated remediation. Integrate Forescout with other security tools (eg, SIEM, CMDB, AD, SCCM, antivirus, Firewalls). Monitor and tune Forescout policies to ensure optimal performance, accuracy, and minimal disruption to business operations. Create and maintain technical documentation , including architecture diagrams, runbooks, and operational procedures. Provide technical support and troubleshooting More ❯

Outside IR35 Contract £500/day London/Remote An excellent contract opportunity has arisen for a skilled CrowdStrike Firewall Consultant to join a leading organisation on a major security improvement project. This contract role offers £500 per day, is outside IR35, and will run for an initial period of 6 months, with strong likelihood of extension based on … ownership of a full end-to-end deployment of CrowdStrike Firewall across Windows Servers and Windows 11 laptops and desktops. The main objective of the project is to improve network security while ensuring system stability and business continuity throughout the implementation process. The successful candidate will be responsible for analysing inbound and outbound network traffic across the … You must have proven experience implementing CrowdStrike Firewall within live enterprise environments, including deep knowledge of Windows Server environments and Windows 11 desktop operating systems. A strong understanding of network defence, micro-segmentation, ports and protocols, and network interconnectivity is essential. In addition, you will require hands-on experience using CrowdStrike Query Language (FQL), combined with excellent problem More ❯

Outside IR35 Contract – £500/day – London/Remote An excellent contract opportunity has arisen for a skilled CrowdStrike Firewall Consultant to join a leading organisation on a major security improvement project. This contract role offers £500 per day, is outside IR35, and will run for an initial period of 6 months, with strong likelihood of extension based on … ownership of a full end-to-end deployment of CrowdStrike Firewall across Windows Servers and Windows 11 laptops and desktops. The main objective of the project is to improve network security while ensuring system stability and business continuity throughout the implementation process. The successful candidate will be responsible for analysing inbound and outbound network traffic across the … You must have proven experience implementing CrowdStrike Firewall within live enterprise environments, including deep knowledge of Windows Server environments and Windows 11 desktop operating systems. A strong understanding of network defence, micro-segmentation, ports and protocols, and network interconnectivity is essential. In addition, you will require hands-on experience using CrowdStrike Query Language (FQL), combined with excellent problem More ❯

Outside IR35 Contract £500/day London/Remote An excellent contract opportunity has arisen for a skilled CrowdStrike Firewall Consultant to join a leading organisation on a major security improvement project. This contract role offers £500 per day, is outside IR35, and will run for an initial period of 6 months, with strong likelihood of extension based on … ownership of a full end-to-end deployment of CrowdStrike Firewall across Windows Servers and Windows 11 laptops and desktops. The main objective of the project is to improve network security while ensuring system stability and business continuity throughout the implementation process. The successful candidate will be responsible for analysing inbound and outbound network traffic across the … You must have proven experience implementing CrowdStrike Firewall within live enterprise environments, including deep knowledge of Windows Server environments and Windows 11 desktop operating systems. A strong understanding of network defence, micro-segmentation, ports and protocols, and network interconnectivity is essential. In addition, you will require hands-on experience using CrowdStrike Query Language (FQL), combined with excellent problem More ❯

Outside IR35 Contract – £500/day – London/Remote An excellent contract opportunity has arisen for a skilled CrowdStrike Firewall Consultant to join a leading organisation on a major security improvement project. This contract role offers £500 per day, is outside IR35, and will run for an initial period of 6 months, with strong likelihood of extension based on … ownership of a full end-to-end deployment of CrowdStrike Firewall across Windows Servers and Windows 11 laptops and desktops. The main objective of the project is to improve network security while ensuring system stability and business continuity throughout the implementation process. The successful candidate will be responsible for analysing inbound and outbound network traffic across the … You must have proven experience implementing CrowdStrike Firewall within live enterprise environments, including deep knowledge of Windows Server environments and Windows 11 desktop operating systems. A strong understanding of network defence, micro-segmentation, ports and protocols, and network interconnectivity is essential. In addition, you will require hands-on experience using CrowdStrike Query Language (FQL), combined with excellent problem More ❯

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