Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are responsible for their own … cent of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting Team … Data is responsible for maintaining existing infrastructure, which underpins the majority of our services across TfL. It is an exciting time to join the Network team, as you'll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation and More ❯
Stevenage, Hertfordshire, United Kingdom Hybrid / WFH Options
GlaxoSmithKline
programme offers a hybrid working model, empowering you to find the optimal balance between remote and in-office work. R&D Operational Technology (OT) Network Security Engineer Within R&D Digital & Tech we are looking for an Operational Technology (OT) Network Security Engineer who will oversee networks used … for R&D operations and have the necessary operational knowledge to specify network changes, assuring continued network availability. The OT Network Security Engineer will support Site Focal Point with technical insight necessary for secure file management according to policies and have a role in new system implementation … and incident response. It is key for the OT Network Security Engineer to have in-depth understanding of networkarchitecture to design, implement, and manage secure and efficient networks and proficiency with cybersecurity tools (e.g., firewalls, intrusion detection/prevention systems) and techniques to protect networkMore ❯
offer this opportunity as a permanent or fixed term position, with flexibility on weekly FTE/days worked. In this role, you will lead network automation initiatives across our technology stack, developing and implementing automated solutions for our next-generation network infrastructure. The team's deliverables focus on … Business as Usual) product releases including Access Networks, 5G, XGSPON, FWA, and IoT implementations. You will have the chance to work with cutting-edge network technologies and contribute to shaping our network automation roadmap while collaborating with Senior Network Architects. Key areas of focus: Joining our Network Engineering team, you will be responsible for building and maintaining network automation solutions that enable efficient product releases and network operations. You will work with cross-functional teams including Network Architects, Development teams, and Product teams to deliver automated network solutions. Your day to day More ❯
Job Title: Network Solution Designer Location: Hybrid - Knutsford 2-3 days per week Duration: Until 27 September 2025 Rate: £500 per day - Umbrella Only Role: The client is seeking and Enterprise Network Solution Designer to help raise the profile and capability of the network solution design team … via exception processes. They will be required to consider cost, quality, sustainability and current use cases in the process of understanding and designing appropriate network solutions going forward. Should be experienced in Key technologies such as Cisco, Fortinet, F5, load balancers and firewalls, modern network design and security … as part of solutions. This may be considered as an architect, but if broader than a systems architect. Key Responsibilities: Network Solution Design: Develop comprehensive networkarchitecture and service design solutions to support business needs and future growth. Technology Strategy: Define network technology strategies and roadmaps More ❯
Greater Bristol Area, United Kingdom Hybrid / WFH Options
Hamilton Barnes 🌳
Job Title: Network Solution Architect Location: Bristol or Chippenham (Hybrid – 3 days per week onsite) Salary: Up to £80,000 base Additional Benefits: £5,000 DV bonus (post-clearance), 10% annual performance bonus, 15% pension contribution, private medical and dental insurance We are seeking an experienced and forward-thinking … Network Solution Architect to join our team and play a key role in the design and delivery oversight of enterprise-scale network solutions for a major public sector client. This is an exciting opportunity for someone with a strong background in networkarchitecture and pre-sales … and inclusive team and actively welcome applicants from all backgrounds. This role is ideal for someone looking to contribute to the modernisation of critical network infrastructure while developing their skills in a high-impact environment. Key Responsibilities: Lead the design and architecture of complex network solutions in More ❯
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Omagh, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35- £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Londonderry, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Warwick, Warwickshire, United Kingdom Hybrid / WFH Options
Pontoon
by balancing supply and demand every second of every day. Our commitment to delivering reliable energy has created an exciting opportunity for a talented Network Architect to join our team on a temporary basis. Role: Network Architect Duration: 6 Months (extension options) Location: Wokingham (Hybrid) Rate: £800 per … day (umbrella) About the Role: As a Network Architect, you will play a pivotal role in overseeing the transition of our network infrastructure. Your expertise will ensure a seamless migration while maintaining peak performance, security, and scalability. If you're a passionate professional ready to make a significant … impact, we want to hear from you! Key Accountabilities: Collaborate with 3rd party vendors to develop and execute transition strategies for migrating network environments with minimal disruption. Work closely with project managers, engineers, and stakeholders to guarantee a smooth transition. Identify risks and dependencies in network transitions, crafting More ❯
truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference. Role Title: Engineering Delivery Unit Technical Authority Function: Network Strategy and Engineering Department: Core & Services - Data Core Engineering Location: Any UK Hub & Hybrid Salary: Excellent basic salary plus bonus and Vodafone benefits Working … the respective cluster (UK and Ireland). Being accountable for high- and low-level design document creation, configuration and implementation and optimisation of multiple network elements of the Mobile Data Core network (PCRF, SGSN/MME, SPGW, Radius, DPI, MSP, IWF, DNS, AAA, etc.). With focus on … mobile services, lead and manage all the engagement with relevant local stakeholders, in particular Technology Operations and other local teams for the implementation of network capacity and lifecycle management; service configuration/MOP activities (and handover to Operations for implementation); special projects, new product/service impact assessments and More ❯
Newbury, Berkshire, United Kingdom Hybrid / WFH Options
Unit Technical Authority br br Do you have the following skills, experience and drive to succeed in this role Find out below. br Function: Network Strategy and Engineering br Department: Core & Services - Data Core Engineering br Location: Any UK Hub & Hybrid br Salary: Excellent basic salary plus bonus and … fully representative of the communities and customers we serve. br Join our Vodafone UK Networks team, where we’re continually building and enhancing our network, connecting millions of people and businesses across the country. Be part of the team that makes it all happen – simplifying, automating, and bringing better … the respective cluster (UK and Ireland). Being accountable for high- and low-level design document creation, configuration and implementation and optimisation of multiple network elements of the Mobile Data Core network (PCRF, SGSN/MME, SPGW, Radius, DPI, MSP, IWF, DNS, AAA, etc.). br With focus More ❯
Senior Network Engineer - International ISP Networks Do you want to work for an Alt-Net, who are about to put their network into 25,000 new homes? This ISP, who are currently implementing new network links globally, are on the hunt for a new Senior Network … something better, the CEO will fully support you! Responsibilities: Design, implement, and maintain international ISP networks using Juniper and Adtran equipment. Develop and document networkarchitecture and designs. Collaborate with vendors and partners. Stay current with the latest networking technologies and trends. Contribute to the development and improvement … of network processes and procedures. Requirements: STRONG experience designing and building international IP Networks Juniper Vendor Experience Adtran Vendor Experience (preferred) Salary: £70,000 - £100,000+ Per Annum (Depending on Experience) NOTE: THIS ROLE WILL BE IN THE OFFICE FOR THE MAJORITY OF THE TIME IN THE INITIAL MONTHS. More ❯
Network Security Engineer 6-month contract Outside IR35 Remote working Active SC Clearance Essential We are supporting a leading utilities provider searching for a Newtork Security Engineer to join the team. This is an initial 6-month contract with the scope to be extended. Key responsibilities Proven experience as … a Network Security Engineer or similar role within enterprise environments. Deep expertise in Palo Alto Networks firewalls and Fortinet FortiGate solutions. Manage, configure, and troubleshoot next-generation firewalls (NGFW), particularly Palo Alto Networks and Fortinet . Perform firewall rule reviews, audits, and optimisation to enforce least privilege access. Experience … with Prisma Access and secure access service edge (SASE) frameworks. Proven experience as a Network Security Engineer or similar role within enterprise environments. Strong understanding of networkarchitecture principles, including segmentation, zero trust, and high availability designs. Some OOH work is expected at weekends/evenings for More ❯
Network Security Engineer 6-month contract Outside IR35 Remote working Active SC Clearance Essential We are supporting a leading utilities provider searching for a Newtork Security Engineer to join the team. This is an initial 6-month contract with the scope to be extended. Key responsibilities Proven experience as … a Network Security Engineer or similar role within enterprise environments. Deep expertise in Palo Alto Networks firewalls and Fortinet FortiGate solutions. Manage, configure, and troubleshoot next-generation firewalls (NGFW), particularly Palo Alto Networks and Fortinet . Perform firewall rule reviews, audits, and optimisation to enforce least privilege access. Experience … with Prisma Access and secure access service edge (SASE) frameworks. Proven experience as a Network Security Engineer or similar role within enterprise environments. Strong understanding of networkarchitecture principles, including segmentation, zero trust, and high availability designs. Some OOH work is expected at weekends/evenings for More ❯
One of our clients, a reputable Hedge Fund, is looking to hire a Network Engineer with good NAC knowledge and experience to join a small team who manage all the tech for the Fund's low-latency trading platform. The team have a number of projects ranging from global … wants to work for a successful, growing company. To be right for this role, you need to have the following: Strong experience as a Network Engineer enhancing existing enterprise network infrastructure and automation frameworks Network Access Control (NAC) experience is essential (Cisco ISE, Aruba ClearPass, or similar … Meraki Wi-Fi experience is beneficial AWS Cloud experience is a plus Strong understanding of routing, switching, and networkarchitecture Proficiency in GitLab, Ansible, Python, CI/CD Pipelines, DevOps tools The company doesn't offer hybrid working and you will be expected to work 5 days a More ❯
london, south east england, united kingdom Hybrid / WFH Options
Vertus Partners
One of our clients, a reputable Hedge Fund, is looking to hire a Network Engineer with good NAC knowledge and experience to join a small team who manage all the tech for the Fund's low-latency trading platform. The team have a number of projects ranging from global … wants to work for a successful, growing company. To be right for this role, you need to have the following: Strong experience as a Network Engineer enhancing existing enterprise network infrastructure and automation frameworks Network Access Control (NAC) experience is essential (Cisco ISE, Aruba ClearPass, or similar … Meraki Wi-Fi experience is beneficial AWS Cloud experience is a plus Strong understanding of routing, switching, and networkarchitecture Proficiency in GitLab, Ansible, Python, CI/CD Pipelines, DevOps tools The company doesn't offer hybrid working and you will be expected to work 5 days a More ❯
We're seeking a passionate IT Network Engineer to be responsible for designing, deploying and maintaining the organisations network infrastructure. Working in across-functional team to deliver robust networking solutions, troubleshoot complex issues, and contribute to the continuous improvement of the organisations network architecture. Client Details Our … industry. Offering a Hybrid/Remote role with a few days a month to be on site - so required live locally to Bristol. Description Network Design and Implementation Design, deploy, and manage network infrastructure including LAN, WAN, WLAN and SD-WAN solutions Configure and maintain network devices … such as routers, switches, firewalls and load balancers in HA designs Implement network solutions to meet performance, scalability, and security requirements Monitoring and Troubleshooting Monitor network performance and availability using tools such as SolarWinds, PRTG, or other packet-capture/investigatory technology Diagnose and resolve complex networkMore ❯
Melksham, Wiltshire, South West, United Kingdom Hybrid / WFH Options
JLA Resourcing Ltd
Job Title: Network Engineer (Some Infrastructure) Location: 2 days a week in Corsham but otherwise Remote Contract Type: Permanent Salary: £70,000 - £80,000 depending on experience Security Clearance: The role will require DV when fully operational but happy to look at candidate who either have current clearance or … to own a wider range of responsibilities, have a tangible impact on delivery and development quicker professional as a result. The Role: As a Network Infrastructure Engineer, you will: Design, deploy, and manage software-defined and physical networks in a secure private cloud. Support multi-tenant environments, ensuring seamless … onboarding and transition of tenants with diverse network and application needs. Implement and maintain Cisco ACI/APIC and Fortigate Next-Generation Firewalls (NGFW) at both the edge and core. Manage VMware NSX-T to ensure integration with Cisco ACI networking. Ensure security best practices, vulnerability scanning (Nessus), and More ❯
Lichfield, Staffordshire, United Kingdom Hybrid / WFH Options
Gleeson Recruitment Group
is looking for an Enterprise Architect who has experience working at a global level but can still also get into detail with the technical architecture requirements. The Enterprise Architect will be responsible for enhancing the current IT landscape, driving digital transformation, and ensuring compliance with security and regulatory standards. … This role offers the chance to work collaboratively with key stakeholders, guiding the development of enterprise architecture models and frameworks. Responsibilities: - Partner with stakeholders across the organisation to align IT strategies with business objectives. - Evaluate the architectural landscape, defining current and target state architectures along with transition plans. - Lead … the development and implementation of architecture governance frameworks and standards. - Create and maintain architectural documentation, including roadmaps and service catalogues. - Provide architectural support to projects, ensuring technology solutions meet business requirements. Skills: * EA certification, e.g. Togaf, CEAP * 10+ years of experience with IS technology solution implementations * 5+ years of More ❯
problem-solving and analytical skills. Strong communication and stakeholder management skills. Background in software development or engineering . TOGAF certification or experience with enterprise architecture frameworks. Desirable Skills Experience in hybrid cloud environments . Relevant certifications (e.g., AWS Certified Solutions Architect, Azure Solutions Architect). Knowledge of database management … systems and networkarchitecture . Familiarity with DevOps practices and tools. Ability to produce High-Level and Low-Level Designs (HLD/LLD) . Experience in modernization and large-scale enterprise transformation . Project management experience is a plus. If you're a highly skilled Migration Architect looking More ❯
Lichfield, England, United Kingdom Hybrid / WFH Options
Gleeson Recruitment Group
strategies with business objectives. - Evaluate the architectural landscape, defining current and target state architectures along with transition plans. - Lead the development and implementation of architecture governance frameworks and standards. - Create and maintain architectural documentation, including roadmaps and service catalogues. - Provide architectural support to projects, ensuring technology solutions meet business … requirements. Skills: • Experience with IS technology solution implementations • 5+ years of experience with solution architecture, with experience across a broad range of solutions • 5+ years of experience with cloud technologies, e.g AWS • Experience of re-architecture of applications based on cloud strategy, e.g. MACH architecture • Experience of … lifecycle • Experience of a Business Analysis Framework • Experience of a Project Management Framework • A bachelor’s degree in science (BSc) in IT, application or networkarchitecture, computer science or data architecture. Please apply asap if interested. AWS Enterprise/Technical Architect More ❯
Lichfield, Staffordshire, United Kingdom Hybrid / WFH Options
Gleeson Recruitment Group
strategies with business objectives. - Evaluate the architectural landscape, defining current and target state architectures along with transition plans. - Lead the development and implementation of architecture governance frameworks and standards. - Create and maintain architectural documentation, including roadmaps and service catalogues. - Provide architectural support to projects, ensuring technology solutions meet business … requirements. Skills: * Experience with IS technology solution implementations * 5+ years of experience with solution architecture, with experience across a broad range of solutions * 5+ years of experience with cloud technologies, e.g AWS * Experience of re-architecture of applications based on cloud strategy, e.g. MACH architecture * Experience of … lifecycle * Experience of a Business Analysis Framework * Experience of a Project Management Framework * A bachelor's degree in science (BSc) in IT, application or networkarchitecture, computer science or data architecture. Please apply asap if interested. GleeIT Please apply asap if interested. AWS Enterprise/Technical Architect At More ❯
and operation technology. Main responsibilities: Provide OT/ITS Vulnerability Assessment and Remediation Services to help clients identify, assess, prioritise and mitigate potentially exposed network components Work collaboratively with various cyber teams to develop appropriate solutions, delivery models and marketing campaigns to enhance the company’s market coverage with … Education assistance Requirements: Experience/knowledge in cybersecurity with a focus on operational technology and industrial control systems Eligible for SC clearance Familiarity with networkarchitecture (may need to build network illustrations for industrial automation and control) Awareness of IT/OT security trends and vulnerabilities Experience More ❯
london, south east england, united kingdom Hybrid / WFH Options
Lorien
and operation technology. Main responsibilities: Provide OT/ITS Vulnerability Assessment and Remediation Services to help clients identify, assess, prioritise and mitigate potentially exposed network components Work collaboratively with various cyber teams to develop appropriate solutions, delivery models and marketing campaigns to enhance the company’s market coverage with … Education assistance Requirements: Experience/knowledge in cybersecurity with a focus on operational technology and industrial control systems Eligible for SC clearance Familiarity with networkarchitecture (may need to build network illustrations for industrial automation and control) Awareness of IT/OT security trends and vulnerabilities Experience More ❯