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Senior IT Infrastructure Engineer • Annual Salary: £45,000 The ideal candidate will be a proactive professional capable of leading projects from concept to completion and ensuring the delivery of robust, secure, and scalable infrastructure solutions. Day-to-day of the role: • Implement and maintain hybrid infrastructure solutions (Azure + on-prem) that meet performance, security, and compliance requirements., • Manage and optimise Windows Server, SQL Server, and Azure environments including Virtual Machines, Networking, Storage, Backup, and Monitoring., • Maintain and secure Active Directory, Group Policy, DNS, DHCP, and Azure AD (Entra ID) synchronisation., • Ensure high availability and resilience across all servers, networks, and databases supporting business-critical applications., • Deliver advanced troubleshooting and root cause analysis for complex infrastructure issues., • Proactively identify opportunities for improvement, automation, and optimisation across all infrastructure areas., • Maintain alignment with Cyber Essentials Plus & GDPR, implement and manage endpoint protection, patch management, and vulnerability remediation., • Ensure data protection and system continuity through effective backup, disaster recovery, and business continuity planning., • Automate deployment and maintenance tasks using PowerShell, Azure Automation, or equivalent tools., • 10+ years hands-on experience in IT infrastructure roles, with at least 5 years in a senior or lead capacity., • Strong expertise in Microsoft Azure IaaS & PaaS, Active Directory, Group Policy, DNS, DHCP, Windows Server 2019–2022, and SQL Server administration., • Deep understanding of LAN/WAN design, VLANs, VPNs, routing, switching, and firewall management., • Experience with Microsoft 365, Intune, and Endpoint Manager., • Advanced PowerShell scripting and automation skills., • Proven experience managing secure environments aligned with Cyber Essentials Plus or ISO 27001., • Ability to work independently, prioritise effectively, and deliver projects to completion with minimal supervision., • Degree in Computer Science, Information Technology, or equivalent experience.

Cyber Security Engineer An excellent opportunity has arisen for an experienced Cyber Security Engineer to join a leading Research Software company based in Oxford, with a hybrid working policy of 1 - 2 days a week. This is a great opportunity to join a growing cyber security function to protect their systems and data. It is vital to have experience across the whole cyber scope to include monitoring systems & networks, threats, investigating incidents etc. As the Cyber Security Engineer, you will have strong technical expertise across Cyber Security including working with technologies and standards such as ISO 27001, SOC2 and NIST. This role will require a heavy hands on technical expertise with a wide range technologies that they are happy to provide full training on. On top of this, it is important to have worked in organisations gaining expertise across on prem networking and cloud technologies. Skills required for the Cyber Security Engineer: • Knowledge of Network Security, Firewalls, Load Balancers & Endpoint Security, • Knowledge of cloud security within Azure & AWS environments, • Knowledge of cyber security principles, methods, technologies, and standards like NIST, SOC2, ISO 27001 Location: Hybrid - 1 - 2 days per week in Oxford Salary: £60,000 - £75,000 per annum plus benefits Apply now for immediate consideration regarding this excellent opportunity! Understanding Recruitment is acting as an employment agency for this vacancy.

Systems Engineer (Infrastructure & Networking) On site £40 - 50k + benefits About the Role We're looking for a Systems Engineer who thrives on designing and delivering multiple infrastructure builds. You'll be part of a very technical team, building and deploying network and infrastructure solutions for scientific projects What You'll Be Doing Designing and delivering infrastructure builds across multiple environments - on-prem, cloud, and hybrid. Building and managing Windows Server (2016/2019/2022) and Active Directory - GPO, DNS, DHCP, and file systems. Deploying and maintaining Google Cloud Platform (GCP) infrastructure - compute, networking, IAM, and storage. Managing and supporting Microsoft 365 - Exchange Online, Teams, Intune, SharePoint, and Azure AD. Installing, configuring, and maintaining VMware vSphere/ESXi and Hyper-V virtual environments. Designing and building secure network infrastructures - switches, routers, firewalls, VPNs, and Wi-Fi. Implementing and managing security controls, patching, and endpoint protection. Overseeing backup, disaster recovery, and business continuity plans. Collaborating with project managers, developers, and clients to deliver tailored infrastructure solutions. What We're Looking For Proven experience as a Systems Engineer or Infrastructure Engineer in a multi-project environment. Strong background in infrastructure design, build, and deployment acr...

Customer Success Engineer - SASE • United Kingdom (Remote / Hybrid), • 12-Month Fixed-Term Contract, • £75,000 per annum We're hiring a Customer Success Engineer (SASE) to join a global cybersecurity leader on a 12-month FTC in the UK. This is a hands-on, customer-facing engineering role where you'll support enterprise clients in deploying, optimising and scaling SASE and cloud security solutions. This role requires prior experience working with SASE technologies. It's not a step-up or learning-on-the-job position. What You'll Be Doing • Acting as the primary technical contact for enterprise customers, • Supporting implementation and integration of SASE solutions, • Driving adoption and optimisation of cloud security platforms, • Troubleshooting complex networking and security issues, • Managing escalations and coordinating with engineering teams, • Advising on SASE best practices and security governance, • Identifying risks and supporting mitigation strategies Experience • 5+ years in a technical role such as:, • Security Engineering, • Network Engineering, • Technical Consulting, • Post-sales / Customer Engineering, • Strong customer-facing experience in enterprise environments, • Strong understanding of SASE architecture and components, • Solid networking fundamentals, • Experience with firewalls, routers, switches and VPNs, • Knowledge of CASB, SWG, ZTNA and DLP technologies, • Routing protocols (BGP, OSPF, EIGRP), • Experience with IPSEC, SSL, PKI, • Authentication protocols (SAML, SSO, LDAP, RADIUS), • Work with cutting-edge SASE and cloud security technology, • Exposure to large-scale enterprise environments, • High-impact role supporting critical security infrastructure, • Fast-paced, international environment JBRP1_UKTJ

Network Engineer Leek Wootton Permanent Contract Full Time Salary (£50,949.00 - £57,186.00) Market Supplement (£ ) Will work an on-call rota in which you will be able to claim an on call allowance. Those currently eligible on the redeployment register will be given prior consideration. As a key role in the Strategy and Architectural team based in Digital Services function, this role is responsible for the efficient and effective build, maintenance of new network infrastructure (virtual or physical) to ensure the needs of Warwickshire Police are met. The role will assist in creating a culture of perpetual challenge and continuous improvement in the delivery of internal and third-party services. Main Responsibilities: Support and maintain the forces network infrastructure at all times with it be the day to day operational running or during the planning, design, development and documentation of new technical solutions. To undertake the role of network subject matter expert, providing technical support assurance and guidance in designated area, working unsupervised on infrastructure, network configuration and security tasks meeting required service levels and complying with Digital Service directorate procedures. To ensure that the network meets all the relevant industry/national /legislative /compliance standards and demonstrates consistency of implementation. To take responsibility for understanding business requirements, collecting data, delivering analysis and recommending options. To deliver an environment of continuous improvement and innovation in respect of the infrastructure architecture and ensure that emerging technology and new initiatives are fully evaluated and relevant proposals are proactively driven through the technical architect practice. To ensure the network meets the business requirements and digital strategy, leveraging industry standard as much as possible. Identifying risks and providing mitigations options for these to the delivery team. Responsible for impact analysis and quality assurance of modifications to existing systems to support new solutions. To represent effectively and promote the reputation and values of Warwickshire Police and the Digital Services Directorate at various meetings and groups both internally and externally, including the development of appropriate and constructive partnerships with relevant organisations and areas of both forces. To be commercially astute on infrastructure design, perpetually focussed on the 'service vs cost’ balance and take personal ownership, fully understanding and acting upon situations that require the pursuit of purpose over process. To build and maintain relationships with the Managed Service Provider and other suppliers (including police forces with whom we collaborate) with a stake in our reporting solutions. To undertake other duties commensurate with the nature, level of responsibility and grading of this post, as required. Knowledge: Substantial knowledge of Cisco, Avaya telephony, Azure, AWS, zScaler, SolarWinds and sentinel gained through significant experience in similar size organisations. Strong knowledge of network Monitoring & Management alongside Supplier Management experience. Strong Knowledge of SD Wan, VLAN Azure vWan. Strong Knowledge of Static and Dynamic routing. Successful in applying industry best practice with a knowledge of ISO 20000 (Service Management) and ITSM. Authoring of Technical Design documents and Service artefacts. Experience: Demonstrate experience of supporting, building and maintain physical and virtual infrastructure in a similar large complex multi-faceted organisation. Strong focus on ICT technologies and operational service delivery. Subject matter expert from inception, through to delivery to the end customer. Key Skills: Previous experience gained in complex large organisation Strong problem solving skills with ability to gather and assimilate information. Ability to think ahead and anticipate/mitigate risks and find suitable solutions to issues. Demonstrate ability to communicate with key stakeholders and suppliers with the flexibility to adjust approach and style accordingly. Good people skills built on a combination of great listening, empathy, insight and intellect. Ability to positively guide others and influence change within organisations Confident in the ability to be professional and influential on key issues within portfolio area. Writing and maintaining technical documentation. Special Conditions Requirement to participate in on call rota Regular travel throughout Warwickshire We want our organisation to be as diverse as the community it serves. We welcome applicants from all sections of the community. You will be required as part of Warwickshire Police recruitment process to successfully complete vetting and credit checks . We support the “Happy to talk flexible working” campaign, which aims to encourage uptake of flexible working for individuals, the flexible working options that may be considered for this role include; Fixed Shifts, Remote Working, Variable Shifts

6‑month Senior Network Engineer contract in Didcot, £480 per day, supporting a large, complex network estate for a major UK scientific organisation. £480 + VAT per day 6‑month Contract (Inside IR35) - Umbrella only Didcot, Oxfordshire, UK - Hybrid (3 days onsite, non‑negotiable) Your new company We're partnered with a nationally important research organisation whose work powers major scientific breakthroughs and supports a wide range of innovative programmes across the UK. Their network infrastructure is essential to enabling collaboration, high‑performance computing, data exchange and secure connectivity across multiple sites. With continued investment in their digital estate, they are now looking for a Senior Network Engineer to help maintain, secure and evolve the organisation's core network services. This is a role where your engineering expertise will directly contribute to research and infrastructure used on a national and international scale. Your new role You will be responsible for supporting and maintaining a wide range of critical network services across a busy, multi‑site environment. Your work will span routing, switching, Wi‑Fi, firewalls, IP address management, network access control and cloud telephony, ensuring that connectivity remains reliable, secure and aligned with the needs of a highly technical organisation. You'll play a key part in both day‑to‑day operations and longer‑term improvements, resolving incidents, fine‑tuning configurations, supporting project activity, transitioning new services into live operation and carrying out complex installations or upgrades with a high degree of independence. A significant part of your work will involve monitoring performance, diagnosing issues at source and ensuring that security controls, routing protocols and access policies remain robust. You'll also work across cabling and infrastructure planning, liaising with Estates teams around network requirements for new buildings, refurbishments and site‑wide cabling activity. Clear, accurate documentation will form a natural part of your routine, ensuring that changes, designs and operational standards are recorded properly and understood across the team. This is a practical, hands‑on engineering role where your judgment, problem‑solving ability and technical depth will be central to maintaining a stable and secure network environment. What you'll need to succeed You'll bring extensive experience supporting enterprise networks and will be confident managing firewalls, Wi‑Fi platforms, routing protocols and network security technologies. Strong exposure to Fortinet firewalls, enterprise‑grade wireless management platforms, and NAC solutions such as ClearPass will be extremely valuable. You will have worked with OSPF and BGP routing, supported LAN and WAN environments, and be comfortable managing DNS, DHCP, IPv4 and IPv6 addressing, along with IPAM platforms such as Infoblox. Experience working across multi‑site environments, fibre and cabling work, switch configuration and general enterprise networking will be important. Above all, you will be someone who is analytical, methodical and able to remain calm when dealing with complex issues. Clear communication, good documentation habits and the ability to work with people of different technical levels will all be essential. SC clearance is preferred, and the ability to attend site in Didcot 3 days each week is required. What you'll get in return You'll be joining an environment where networks form the backbone of vital scientific and operational activity. You will work with a skilled, supportive team, gain exposure to an extensive network estate and play a central role in ensuring secure and reliable connectivity across a nationally important organisation. Your contribution will be recognised, your expertise will be valued and your work will help support research that has a lasting impact. What you need to do now If you're an experienced Network Engineer looking for a senior‑level contract with meaningful responsibility and the chance to work on a major scientific network environment, get in touch today to learn more. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Senior IT Infrastructure Engineer Annual Salary: £45,000 Location: Abingdon We are seeking a Senior IT Infrastructure Engineer to work for our client based in Abingdon - This role involves the implementation and ongoing management of their IT infrastructure across both on-premises and Azure cloud environments. The ideal candidate will be a proactive professional capable of leading projects from concept to completion and ensuring the delivery of robust, secure, and scalable infrastructure solutions. Day-to-day of the role: Implement and maintain hybrid infrastructure solutions (Azure + on-prem) that meet performance, security, and compliance requirements. Manage and optimise Windows Server, SQL Server, and Azure environments including Virtual Machines, Networking, Storage, Backup, and Monitoring. Maintain and secure Active Directory, Group Policy, DNS, DHCP, and Azure AD (Entra ID) synchronisation. Ensure high availability and resilience across all servers, networks, and databases supporting business-critical applications. Deliver advanced troubleshooting and root cause analysis for complex infrastructure issues. Proactively identify opportunities for improvement, automation, and optimisation across all infrastructure areas. Maintain alignment with Cyber Essentials Plus & GDPR, implement and manage endpoint protection, patch management, and vulnerability remediation. Ensure data protection and system continuity through effective backup, disaster recovery, and business continuity planning. Automate deployment and maintenance tasks using PowerShell, Azure Automation, or equivalent tools. Maintain infrastructure observability through tools and optimise cost, performance, and utilisation of Azure and on-prem resources. Required Skills & Qualifications: 10+ years hands-on experience in IT infrastructure roles, with at least 5 years in a senior or lead capacity. Strong expertise in Microsoft Azure IaaS & PaaS, Active Directory, Group Policy, DNS, DHCP, Windows Server 2019-2022, and SQL Server administration. Deep understanding of LAN/WAN design, VLANs, VPNs, routing, switching, and firewall management. Experience with Microsoft 365, Intune, and Endpoint Manager. Advanced PowerShell scripting and automation skills. Proven experience managing secure environments aligned with Cyber Essentials Plus or ISO 27001. Ability to work independently, prioritise effectively, and deliver projects to completion with minimal supervision. Degree in Computer Science, Information Technology, or equivalent experience. Desirable certifications include Microsoft Certified: Azure Administrator Associate (AZ-104) or Azure Solutions Architect Expert (AZ-305), MCSE, CompTIA Network+, ITIL Foundation. If you are interested in this position please apply online or for more information please contact me on TPBN1_UKTJ

Title: Network Security Engineer (Contact)Details: 6-12 Months | Inside IR35 | Up to £500 per dayiO Associates is working with a client who is looking for a Network Security Engineer to join them on an initial 6-12 month contract. Our client is based in London and wanting someone who can go into of

We are currently looking for a Network and Infrastructure Engineer to join an existing team with one of our financial services clients. Broad background across information technology with the ability to communicate clearly with non-security technical SMEs at a comfortable level. Strong proficiency i

A leading global technology company in Greater London is seeking a Level 3 Network Security Engineer to manage high‑severity incidents. Responsibilities include configuring Cisco devices, providing Level-3 support, and monitoring network performance. Candidates should have 7-8 years of experience

A leading tech company in London is seeking a Network Engineer to enhance their global network infrastructure. Candidates should have 3+ years of Linux systems engineering experience, strong troubleshooting abilities, and a deep understanding of multi-layer networking. Responsibilities include optim

A leading technology firm in the United Kingdom is seeking an experienced Network Engineer to provide operational support for network connectivity on a non-hostile OCONUS assignment. Candidates must possess an active TS/SCI poly clearance and have at least three years of experience in telecommunicat

A leading global financial technology infrastructure provider is seeking a highly skilled and proactive Network Data Center Engineer to join its infrastructure team. In this role, you will manage data centre network equipment, ensure optimal performance, and implement security policies.

A leading technology organization in Greater London is seeking an experienced Security Engineer to design and implement modern security infrastructure. You will collaborate closely with infrastructure and security teams to enhance network segmentation and incident response protocols. This role offer

A leading technology company in Greater London is looking for a Network Security Specialist – L2 to enhance their IT Network strategies. Ideal candidates should have over 5 years of experience and a solid understanding of network protocols and troubleshooting.

Extensive experience in network and IT security. Investigating and mitigating network and security incidents. A degree in computer science, information security, or an equivalent.

A leading advertising agency based in London is seeking a Network and Security Engineer. Candidates should have over 8 years of experience in network and security operations, specifically with Check Point firewalls and Cisco switches.

A leading financial services firm in Greater London seeks a Network Security Operation Engineer to safeguard network infrastructure. Responsibilities include managing firewall policies, conducting security audits, and ensuring compliance with security standards. The ideal candidate will have a minim

A leading quantitative finance research firm in London seeks an experienced Network Security Engineer to design and maintain scalable network infrastructure. This role involves implementing security systems, conducting audits, and collaborating with infrastructure teams. Ideal candidates should have

Network Security Operation Engineer will be responsible for implementing and maintaining systems to protect State Street’s network infrastructure. This includes managing security policy, conducting security audits, and analyzing security & network traffic. These responsibilities are crucial in ens

A UK-based recruitment firm seeks an experienced DV Cleared Network Engineer to enhance secure data centre infrastructure. Ideal candidates have over 7 years in network engineering, active DV clearance, and proficiency with Cisco and Juniper technologies. This role involves mentoring team members an

A leading technology services company in the United Kingdom is looking for a Senior Network & Security Engineer to design, implement, and maintain network and security infrastructures. The ideal candidate will have strong experience managing network projects and knowledge of both networking and secu

A major international enterprise is seeking a Senior Network Engineer to drive security transformation across complex networks. The role involves leading the design and implementation of Palo Alto NGFW solutions, architecting advanced security capabilities, and managing Prisma Access for mobile user

A leading IT consultancy is seeking a Network Security Engineer for a contract position in Central London. The role involves BAU operational support with a focus on network security technologies, particularly firewalls.

A fintech organization is looking for a Senior Infrastructure Engineer to lead the design and optimisation of Azure network architecture. The ideal candidate must have proven Azure networking experience, strong troubleshooting skills, and the ability to work in a dynamic team.

Possess a comprehensive security knowledge system and sound security concepts, with a high sensitivity to security risks; capable of formulating security solutions and driving their implementation. Proficient in mainstream security technologies and prevention measures; with practical experience in e

A prominent IT recruiting firm in the UK is seeking a senior-level engineer focused on enterprise network design and implementation. The role requires strong leadership, hands-on engineering, and the ability to manage complex projects within a regulated enterprise environment. This is an exciting op

A leading audio streaming service is looking for a Senior Security Engineer to enhance its enterprise security. The role entails hands-on work across core security domains, including IAM and endpoint management, while building security automation and policies. Candidates should have a strong backgro

A dynamic Oil and Gas company in London seeks a Senior Network Engineer to enhance its global network infrastructure. The role involves maintaining network stability, security, and innovation. Strong communication skills and a proactive approach to security are essential for this position.

A global financial services firm in Greater London is seeking a talented Network Security Operation Engineer. The role involves implementing and maintaining security systems to protect network infrastructure, managing policies, conducting audits, and analyzing traffic.

The Security team supports the day-to-day protection and operational security of the firm's network perimeter. Network Security Operations, SOC, or security operations role. Experience in a network security or security operations role, with hands‑on monitoring and incident triage responsibility.

The RoleWe are looking for a Network Security Engineer to design, implement, and maintain robust security solutions that protect our clients' networks from cyber threats. LocationYork, United Kingdom# Network Security Engineer at DarkshieldLocationYork, United KingdomSalary£50000 - £75000 /yearJob

We are seeking a Network and Security Engineer to be part of a highly motivated team in a challenging and rewarding environment. We expect candidates to be creative, innovative, team oriented and have the ability to work in a fast-paced environment providing Level 2 and 3 technology support and admi

A global professional services company in the UK is seeking a Network Engineer to design and maintain complex network environments. The role requires strong technical expertise in networking, including LAN/WAN troubleshooting, configuration of firewalls, and deployment of network solutions. Candidat

Possess a comprehensive security knowledge framework and sound security principles, with a keen sensitivity to security issues. Prior experience in office network security planning and design within a large internet company is preferred. Plan and build security capabilities for the office network su

We are seeking an experienced Network & Security Engineer to join a leading global banking organisation, supporting a highly regulated enterprise network environment across EMEA. Deliver network and security project tasks to agreed timelinesMaintain accurate network diagrams and technical documentat

An established industry player is seeking a skilled Network Security Engineer to design and manage robust network infrastructures. In this role, you will implement and enhance security measures, ensuring the reliability and efficiency of the network. If you are passionate about network security and

RSR is a public safety & enterprise security recruitment specialist. Support and maintain network infrastructure, ensuring high availability and performance across operational environments. Design, develop, and implement new network solutions, including documentation and technical standards.

Support network security policy enforcement and ensure compliance with security standards. Network Engineer and Project Management. Good understanding of network security principles and firewall rule management.

A leading telecommunications provider is seeking a Network Configuration Specialist to design, configure, and troubleshoot customer networks. Ideal candidates should have Cisco CCNP and experience in network deployments, along with the ability to obtain Security Clearance.

A leading investment management firm based in the UK is looking for a Network Infrastructure Engineer to design and operate Cisco ACI infrastructure, automate network tasks, and manage cloud networking in Azure. This role will allow the candidate to work in a hybrid environment and contribute to cri

A global logistics firm is seeking a Networking Engineer to support and implement infrastructure across a multi-site environment. Candidates must have strong networking fundamentals, experience with BGP and OSPF, and excellent communication skills.

A growing real estate business is seeking a Network & Security Engineer to manage and enhance its Cisco Meraki networking infrastructure while focusing on network security and Microsoft environments. The ideal candidate will have at least 5 years of experience in network infrastructure roles, CCNP c

A leading IT consultancy in Greater London seeks a Security Cleared Contract Network Engineer to design and maintain secure network architectures. Applicants must have proven networking experience, strong server administration skills, and an active SC security clearance. This hybrid role involves co

A premier technology solutions provider in Derby is seeking a hands-on Network Infrastructure Engineer for a pivotal role in a high-security infrastructure project. Strong networking skills, familiarity with electronic security systems, and SC Clearance (or eligibility) are essential.

We are seeking a senior Network Cyber Security Engineer to join our Network Security Engineering team, specialising in firewalls and routing. IP‑based networks, network design, and security products. Solid understanding of network infrastructure (routing, switching, load balancing) and security pr

A leading technology firm in Greater London is seeking a skilled Network Engineer to design and maintain robust network infrastructure. This role involves working with Cisco campus switches and firewall solutions while ensuring optimal performance and security across LAN/WAN systems. Candidates shou

A leading e-commerce company is seeking a Mid-Senior level Security Operations Specialist to enhance security capabilities for its office network. The role requires a Bachelor's degree and over 5 years of experience in security operations, with a focus on intrusion detection and security technologie