351 to 375 of 501 Network Security Jobs in the UK

SIEM Engineer- SC Cleared

Hiring Organisation
eTeam Workforce Limited
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 559 Daily
Clearance: Active SC Role Description: SIEM Deployment & Management - Set up, configure, and maintain SIEM tools like ArcSight, Splunk, or QRadar. Threat Detection & Analysis - Monitor security logs, detect anomalies, and investigate potential threats. Incident Response - Work with security teams to analyze and mitigate security incidents. Custom Rule Creation … Develop and fine-tune detection rules and alerts to identify malicious activities. Security Reporting - Generate reports on security events, trends, and system performance. Collaboration - Work with IT and security teams to improve overall cybersecurity posture. Required Skills & Qualifications Technical Expertise - Strong knowledge of SIEM platforms, network ...

Senior Security Engineer (IT/OT)

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

Senior Security Engineer (IT/OT)

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

Cyber Response & Recovery Manager - German Speaker

Hiring Organisation
KPMG
Location
London, UK
Employment Type
Full-time
huge amount of experience in a short space of time and will also have the opportunity to be put through a range of security certifications. In this role we are looking for a person who can demonstrate strong technical background, experience in incident response and digital forensics … improve both your management and technical skills. Strong technical competency and experience of managing a range of complex cyber incidents; from ransomware to advanced network intrusions is a pre-requisite. Our clients expect that cyber-incidents will be tackled with urgency, therefore, there is an expectation that you will ...

Network Engineer

Hiring Organisation
Frontier Resourcing Ltd
Location
Harlow, London, United Kingdom
Employment Type
Contract
Contract Rate
Day Rate
Network Engineer (Cisco ISE & Wireless) Contract | Hybrid | Defence Sector Our client, a leading UK defence technology organisation, is seeking an experienced Network Engineer to support the design, implementation and optimisation of secure enterprise network infrastructure. This is a hands-on engineering role focused on Cisco Identity Services … Engine (ISE) , Cisco Catalyst 9800 Wireless LAN Controllers , secure network access and enterprise wireless technologies. You'll work on critical infrastructure projects, helping to modernise and secure highly available network environments. Key Responsibilities Deploy and optimise Cisco ISE and Catalyst 9800 wireless solutions. Lead wireless infrastructure upgrades ...

Technical Program Manager III, Data Center Expansions

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
qualifications: Bachelor's degree in Computer Science, Engineering, a related technical field, or equivalent practical experience 5 years of experience with data center or network infrastructure planning, evaluation and negotiations including new region launches. Experience evaluating technical cloud infrastructure requirements (e.g., power density, thermal/cooling specifications, fiber network connectivity, or latency) to recommend data center or network footprint solutions. Experience driving cross-functional programs and influencing C-level executives and stakeholders across global organizations. Preferred qualifications: Experience leading data center expansion or network infrastructure planning in a hyperscale cloud environment. Experience leading technical site evaluation ...

Senior Security Engineer - IT & OT

Location
Nuneaton, England, United Kingdom
Senior Security Engineer - IT & OT (39810) London or Nuneaton | Full-time | Hybrid We offer hybrid working, with an expectation that you'll attend one of our Holland & Barrett offices in London or Nuneaton (or another designated location) on an ad hoc basis, as required for business needs. Back your … operational environments running securely. Working at the intersection of enterprise IT and Operational Technology (OT), you'll lead the design and delivery of security solutions that safeguard business-critical systems while enabling innovation. This is an opportunity to shape our IT and OT security capability, influence technical direction ...

Senior Systems Engineer (Network Technologies Specialist)

Hiring Organisation
Trusted Technology Partnership
Location
Ringwood, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Senior Systems Engineer (Network Technologies Specialist) Location: Ringwood, Hampshire Salary: £45,000 - £55,000 Hours: 37.5 hours per week The Role We are looking for an experienced Senior Systems Engineer (Network Technologies Specialist) with a keen interest in designing and delivering high-quality network solutions. You will … firewalls, and routing solutions. Strong knowledge of enterprise networking technologies, including switching, routing, firewalling, and wireless infrastructure. In-depth experience working with enterprise-grade network hardware. Solid understanding of network protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, and MPLS. Experience with cloud networking ...

Senior Lead Infrastructure Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Management Center (SMC). Experience with other SaaS based Secure Gateway vendor e.g. Zscaler, Netskope etc Ability to build, test and deploy proxy-based security solutions Good understanding of network infrastructure, network security concepts and application layer protocols (http/https) and vulnerability mitigation Good understanding … automation of a Proxy environment and understanding and comfortable working on shell/python scripts and Ansible playbooks. Expertise of networking fundamentals including Network topology, VLANs, Routing, Switching, Global/Local Load Balancing and Firewalls. Flexible to work off hours and weekends in 24x7 on-call rotation. Preferred Qualifications ...

Network & Systems Engineer

Hiring Organisation
Experis
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£42000 - £52000/annum
Network & Systems Engineer Watford | £52,000 | Permanent | Onsite Experis are working with a client based in Watford who are looking to recruit an experienced Network & Systems Engineer into their established IT team. This is a broad, hands-on infrastructure role covering both networking and Microsoft technologies, with … will support a business-critical infrastructure environment and work across a mixture of on-premise and cloud technologies. Key responsibilities Support and maintain Cisco network infrastructure Provide 3rd line support across server and network environments Support Windows Server and Active Directory technologies Support Azure and Microsoft 365 environments ...

Senior IT/OT Cyber Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nuneaton, Warwickshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£90,000
+ Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution centres and operational sites running around the clock. This is a rare hybrid … enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with real influence: you'll set technical direction, raise engineering standards and build out the organisation ...

Technical Program Manager III, Data Center Expansions

Location
City of Westminster, England, United Kingdom
Expansions Bachelor's degree in Computer Science, Engineering, a related technical field, or equivalent practical experience 5 years of experience with data center or network infrastructure planning, evaluation and negotiations including new region launches. Experience evaluating technical cloud infrastructure requirements (e.g., power density, thermal/cooling specifications, fiber network connectivity, or latency) to recommend data center or network footprint solutions. Experience driving cross-functional programs and influencing C-level executives and stakeholders across global organizations. Preferred qualifications: Experience leading data center expansion or network infrastructure planning in a hyperscale cloud environment. Experience leading technical site evaluation ...

IT Infrastructure Specialist (1-year FTC)

Hiring Organisation
JAC Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£66000 - £77000/annum
technical infrastructure setup for new store openings, refits, relocations, and brand pop-ups across Europe. This includes configuring and deploying POS hardware, network printers, scanners, mobile tablets, and payment terminals. Store Network Connectivity: Deploy and optimize local in-store networks, focusing on stable retail WiFi, localized LAN environments … technology failures, proactively monitoring uptime and troubleshooting device, data feed, and connectivity drops to minimize commercial downtime. 2. Warehouse Tech Readiness & 3PL Coordination Logistics Network Engineering: Act as the primary technical point of contact during third-party logistics (3PL) partner onboarding, warehouse moves, and facility expansions. Secure Environment Bridging ...

Infrastructure Operations Engineer, VMWare, Automation, Hybrid

Hiring Organisation
Sanderson Recruitment
Location
Peterborough, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract, Work From Home
critical infrastructure services that underpin business operations. This role offers the opportunity to work across complex server, virtualisation and platform technologies, driving operational excellence, security, automation and continuous improvement. The successful candidate will play a key role in maintaining the reliability, performance and security of production infrastructure whilst … virtualised infrastructure environments. Coordinate and deliver regular operating system and application patching activities. Identify, assess and remediate infrastructure and application vulnerabilities in line with security requirements. Drive automation initiatives to improve efficiency, consistency and service reliability. Support infrastructure lifecycle management, including upgrades, refreshes and decommissioning activities. Monitor system performance ...

Infrastructure Operations Engineer

Hiring Organisation
Sanderson Recruitment
Location
Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract, Work From Home
critical infrastructure services that underpin business operations. This role offers the opportunity to work across complex server, virtualisation and platform technologies, driving operational excellence, security, automation and continuous improvement. The successful candidate will play a key role in maintaining the reliability, performance and security of production infrastructure whilst … virtualised infrastructure environments. Coordinate and deliver regular operating system and application patching activities. Identify, assess and remediate infrastructure and application vulnerabilities in line with security requirements. Drive automation initiatives to improve efficiency, consistency and service reliability. Support infrastructure lifecycle management, including upgrades, refreshes and decommissioning activities. Monitor system performance ...

Infrastructure Engineer - Security Focus - Palo Alto

Hiring Organisation
hireful
Location
Birmingham, UK
Employment Type
Full-time
AdvertDo you have a mixture of Infrastructure and Cyber Security skills? Would you like to join a large (45,000 and counting) growing global organisation? If so we could have the job for you...Role - IT Infrastructure Engineer - Cyber aka : IT Security Engineer, Infrastructure Engineer, Network Security … where you'll help design, maintain, and secure a mix of on-premise and Azure environments. You'll work across servers, networks, storage, and security tools, contributing to infrastructure projects as well as cyber initiatives such as vulnerability management, incident response, and enhancing security controls. You'll also ...

Network & Infrastructure Tooling / Automation Specialist/ Architect - freelance - hybrid, London, UK

Location
Greater London, England, United Kingdom
Senior technologist with deep expertise in designing, building, and governing network and infrastructure tooling platforms that enable scalable, reliable, and compliant enterprise environments. Proven experience defining automation strategy, control frameworks, and operating models that abstract complex network and infrastructure estates into consumable, repeatable services. Strong background in financial … strategy and reference architectures aligned with platform engineering and DevOps principles. Design modular, API-driven tooling layers that decouple intent, policy, and execution across network and infrastructure domains. Establish standards for tool selection, integration, versioning, and lifecycle management. Align tooling strategy with regulatory, risk, and operational resilience requirements. Network ...

X2 Network Consultant & Engineer - Cisco Lan Enterprise - Cisco, Juniper and/or Aruba Certs

Hiring Organisation
InfraView - Specialist Cloud & IT Infrastructure Technology Recruitmen
Location
North, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 75,000 Annual
Network Consultant & Engineer - Cisco Lan Enterprise - Cisco, Juniper and/or Aruba Certs - £55K - £75K - Homebased, office, hybrid - North West - 2 days per week in the office Do you want to work for a leading Network Security Solutions Provider? Do you want to be part … Design & Implementation Consultant? Are you a Project Implementation Engineer that wants to step up into Design & Implementation? You will be joining a leading Networking Security Solutions Provider as a Snr Network Design & Implementation Engineer OR as a Network Project Engineer. Design, implement and support network infrastructure ...

2nd Line Network Engineer (24/7 Shift)

Hiring Organisation
ECS Resource Group Ltd
Location
Solihull, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£30000 - £32000/annum + 20% Shift Allowance (£38,400 OTE)
Line Network Engineer (24/7 Shift) Solihull, West Midlands £30,000 - 32,000 + 20% Shift Allowance (£38,400 OTE) Permanent | 4 on/4 off Shift Pattern 12-hour shifts (7am-7pm & 7pm-7am) We're seeking a talented 2nd Line Network Engineer to join … troubleshooting complex connectivity issues, restoring services quickly, and ensuring customers receive exceptional support around the clock. What You'll Be Doing Taking ownership of network-related incidents through to resolution. Providing technical support via phone, monitoring platforms, and ticketing systems. Troubleshooting routing, switching, firewall, wireless, and connectivity issues. Accessing ...

Principal Platform Engineer

Hiring Organisation
Leonardo DRS
Location
London, UK
Employment Type
Full-time
Subject Matter Expert (SME) in Windows-based enterprise infrastructures. You'll play a central role in the design, deployment, and support of high-security systems that underpin key defence and aerospace operations. This role is based full-time on site in London and requires DV clearance. What you will … disruption to services. Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices. Implement and maintain infrastructure security measures such as patching, access controls, and hardening to align with compliance and internal governance. Use monitoring tools to proactively optimize system performance ...

Network Engineer

Hiring Organisation
Sanderson
Location
Bristol, Avon, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £600.00 per day
Network Engineer, Cisco, Firewalls Attendance on site is required only once/twice per week. Up to £600 per day (umbrella engagement). The successful candidate will be required to help provide a high level of proactive and reactive skills and actions to ensure the Network Infrastructure … systems particularly in Key areas Advise on suitable upgrades concerns of any remedial work in Key areas Experience required: - Cisco Networks Experience of network security products and countermeasure techniques Firewalls (FortiGate/Fortinet preferred) Virtual Private Networks (VPN's), Encryption and authentication techniques Knowledge in TCP/ ...

Network Engineer

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £600 per day
Network Engineer, Cisco, Firewalls Attendance on site is required only once/twice per week. Up to £600 per day (umbrella engagement). The successful candidate will be required to help provide a high level of proactive and reactive skills and actions to ensure the Network Infrastructure … systems particularly in Key areas Advise on suitable upgrades concerns of any remedial work in Key areas Experience required: - Cisco Networks Experience of network security products and countermeasure techniques Firewalls (FortiGate/Fortinet preferred) Virtual Private Networks (VPN's), Encryption and authentication techniques Knowledge in TCP/ ...

Cyber Threat Operations Specialist

Hiring Organisation
Line Up Aviation
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 85 Hourly
meet the challenges and demands of countering the Cyber Threat. The successful applicant will drive a proactive ethos in an ever-changing cyber security environment and provide robust threat hunting, detection Engineering and analysis within a high performing team environment. Role : Cyber Threat Operations Specialist Location : Stevenage - fully onsite … proactive Threat Hunting in collaboration with the CTI function Lead Threat Detection Engineering effort working with the ISR function Assist with the maintenance of Security technologies Assisting the Cyber Eng Team with project activity Supporting the Incident responders with HR and InfoSec related investigations Attend routine security meetings ...

Senior GCP(Google Cloud Platform) DevSecOps Engineer

Location
Sheffield, England, United Kingdom
foundation platform using Google Cloud services (e.g., GKE, BigQuery, Cloud Build, Cloud Run) and automation-first engineering practices. Engineer repeatable platform and security capabilities using Infrastructure as Code (IaC), such as Terraform and/or Config Connector, following established engineering standards. Implement and enhance preventive security controls … guardrails centrally to improve overall cloud security posture and reduce operational risk. Integrate, configure, deploy and manage common cloud services across IAM, networking, logging/monitoring, operating systems and container platforms. Embed security into delivery pipelines by building and supporting CI/CD and continuous testing capabilities (e.g. ...

Zero Trust Network Architect — Enterprise Security Leader

Location
United Kingdom
Jaguar Land Rover in the United Kingdom is seeking an Enterprise Network Security Architect to lead the Zero Trust and segmentation strategy across on‐premise, cloud and remote access environments. You will define policy enforcement, collaborate with cyber security and engineering teams, and shape a scalable security ...