Senior Network and Security Engineer

Reference: px1obbqwwz3suco8vrep

We are seeking a Senior Network and Security Engineer to design, implement and maintain secure, resilient network infrastructure across a complex technology environment. The successful candidate will provide technical leadership across networking, cybersecurity and infrastructure operations, ensuring systems remain reliable, scalable and aligned with business and regulatory requirements. This role will work closely with infrastructure, cloud, service delivery and risk teams to improve security posture and operational performance.

Key responsibilities will include managing and optimising LAN, WAN, wireless, VPN, firewall and network security technologies; developing and maintaining network architecture, standards and documentation; and leading the resolution of complex incidents, problems and service outages. You will monitor network performance, investigate security events, identify vulnerabilities and implement appropriate remediation. The role will also contribute to security monitoring, access control, vulnerability management, disaster recovery planning and technical assurance activities. You will support cloud connectivity and hybrid infrastructure, participate in change and release processes, and provide expert guidance on infrastructure projects and technology improvements. Clear documentation, knowledge sharing and mentoring of less experienced engineers will also be important aspects of the position.

Applicants should have substantial experience in network engineering and information security, with strong knowledge of routing and switching, TCP/IP, DNS, DHCP, firewalls, intrusion prevention, secure remote access and network monitoring. Experience with cloud networking, automation, configuration management and security frameworks will be advantageous. Relevant professional certifications, such as those covering networking, firewalls, cloud platforms or cybersecurity, are desirable. You will need strong analytical and troubleshooting skills, excellent communication abilities and a methodical approach to risk and change management. The ability to work independently, prioritise competing demands and collaborate effectively in a fast-paced environment is essential.

COMPETITIVE SALARY
Added 07/09/2026
Reference: px1obbqwwz3suco8vrep

Senior Network and Security Engineer

London, England, United Kingdom Permanent Network Security

Other similar jobs

Security Platform Engineering Lead

Added 15/09/2026

We are seeking a Security Platform Engineering Lead to define, build and operate the technology platforms that protect critical systems, applications and data. This role combines technical leadership, hands-on engineering and strategic planning to create secure, scalable and resilient capabilities across cloud and on-premises environments. You will work closely with security, infrastructure, software engineering, architecture and risk teams to establish effective security controls and enable teams to deliver safely at pace. You will lead the design and evolution of security platforms covering areas such as identity and access management, secrets management, endpoint and infrastructure protection, vulnerability management, security logging, detection...

Learn more

Senior 3rd Line Network and Security Engineer

Added 18/09/2026

We are seeking a Senior 3rd Line Network and Security Engineer to provide expert-level support, administration and continuous improvement across complex network and security infrastructure. You will act as an escalation point for challenging technical issues, taking ownership from initial investigation through to resolution while maintaining clear communication with colleagues, stakeholders and service users. The role will involve working across a varied technology environment and contributing to the reliability, performance and security of critical services. Key responsibilities will include designing, implementing and supporting LAN, WAN, wireless, VPN and firewall solutions; monitoring network performance and security events; investigating incidents, vulnerabilities and...

Learn more

Senior Network and Security Engineer

Added 07/09/2026

We are seeking a Senior Network and Security Engineer to design, implement and maintain secure, resilient network infrastructure across a complex and highly available environment. The successful candidate will provide technical leadership across network architecture, cybersecurity controls and operational performance, ensuring services remain reliable, scalable and aligned with business and regulatory requirements. Key responsibilities will include managing enterprise routing, switching, firewalls, VPNs, wireless networks, load balancers and network access controls. You will monitor infrastructure performance, investigate and resolve complex incidents, lead root-cause analysis, and coordinate planned maintenance and change activity. The role will also involve developing and enforcing security policies,...

Learn more

Senior Network and Cybersecurity Engineer

Added 11/08/2026

We are seeking a highly skilled Senior Network and Cybersecurity Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining robust network infrastructure while ensuring the highest levels of cybersecurity. You will conduct risk assessments, identify vulnerabilities, and implement security measures to protect sensitive data and systems. Collaborating with cross-functional teams, you will develop and enforce security policies and procedures, ensuring compliance with industry regulations and standards. Your duties will include monitoring network performance, troubleshooting issues, and providing technical support for network-related queries. You will also lead incident response efforts, analyzing security...

Learn more

IT and Network Security Engineer

Added 19/08/2026

We are seeking a skilled IT and Network Security Engineer to join our dynamic team. In this role, you will be responsible for implementing and managing security measures to protect our organization's computer systems and networks. You will conduct regular security assessments, identify vulnerabilities, and develop strategies to mitigate risks. Your expertise will be essential in configuring firewalls, intrusion detection systems, and other security technologies to safeguard sensitive information and ensure compliance with industry regulations. The ideal candidate will have a strong understanding of network protocols, security frameworks, and best practices. You will actively monitor network traffic, analyze security incidents,...

Learn more

Network and Security Engineer

Added 18/08/2026

We are seeking a skilled Network and Security Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining network infrastructure to ensure optimal performance and security. You will conduct regular assessments of network security protocols, identifying vulnerabilities and implementing solutions to mitigate risks. Collaborating with cross-functional teams, you will develop network architecture plans and oversee the installation and configuration of various network devices, including routers, switches, and firewalls. The ideal candidate will have a strong understanding of networking concepts, protocols, and security practices. You will be tasked with monitoring network performance and...

Learn more

Network and Security Engineer

Added 05/08/2026

We are seeking a skilled Network and Security Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining secure network infrastructures. Your primary duties will include configuring and managing firewalls, intrusion detection systems, and VPNs, as well as monitoring network traffic for potential security breaches. You will conduct regular security audits and vulnerability assessments to ensure the integrity of our systems and data. Additionally, you will collaborate with cross-functional teams to enhance our security protocols and provide expert guidance on best practices in network security. The ideal candidate will possess a strong...

Learn more

Network and Security Engineer - Grade 8

Added 05/08/2026

We are seeking a dedicated and skilled Network and Security Engineer - Grade 8 to join our dynamic team. In this role, you will be responsible for designing, implementing, and managing secure network systems to protect sensitive data and ensure the integrity of our IT infrastructure. You will monitor network performance, troubleshoot issues, and respond to security incidents while maintaining compliance with industry standards and regulations. Your expertise will be crucial in developing security protocols, conducting risk assessments, and implementing effective solutions to mitigate vulnerabilities. The ideal candidate will possess a solid understanding of network architecture and security principles, along...

Learn more

Network and Security Enterprise Architect

Added 07/09/2026

We are seeking an experienced Network and Security Enterprise Architect to define and guide the strategic direction of network, cloud, infrastructure, and cybersecurity architecture across a complex enterprise environment. You will develop secure, scalable, and resilient architecture strategies that support business objectives, digital transformation, operational efficiency, and regulatory obligations. Working with senior stakeholders, technology teams, and external partners, you will translate business and technical requirements into practical architecture roadmaps, reference models, standards, and design principles. Your responsibilities will include designing and governing enterprise network and security architectures across data centres, cloud platforms, hybrid environments, and corporate locations. You will assess...

Learn more

Infrastructure & Network Security Specialist - Hybrid working/ Guildford Surrey - £75k - £80k + bonus and great package

Added 10/08/2026

We are seeking an experienced Infrastructure & Network Security Specialist to join our dynamic team in Guildford, Surrey. This hybrid working position offers a competitive salary of £75k - £80k, along with an attractive bonus structure and comprehensive benefits package. In this role, you will be responsible for the design, implementation, and management of robust security protocols to protect our network and infrastructure from potential threats. You will collaborate with cross-functional teams to ensure compliance with industry standards and best practices, as well as perform regular security audits and vulnerability assessments. Your primary duties will include monitoring network traffic for...

Learn more

Security Architect (OT, IT, Network and Physical)

Added 10/08/2026

Are you an experienced Security Architect seeking a new challenge? We are looking for a dedicated professional with a strong background in OT, IT, network, and physical security to design, implement, and manage comprehensive security architectures across diverse environments. In this critical role, you will collaborate closely with cross-functional teams to assess threats, identify vulnerabilities, and develop robust solutions that protect critical infrastructure, data, and assets. You will be responsible for creating and maintaining security frameworks, conducting risk assessments, and ensuring compliance with industry standards and regulations. Key responsibilities include developing and maintaining security policies, standards, and procedures that align...

Learn more

Manager of Infrastructure, Security and Network Technologies

Added 04/08/2026

We are seeking a highly skilled and motivated Manager of Infrastructure, Security, and Network Technologies to lead our technology operations and ensure the integrity, security, and efficiency of our systems. In this role, you will be responsible for overseeing the design, implementation, and management of our IT infrastructure, including network architecture, data security measures, and technology integrations. You will collaborate closely with cross-functional teams to develop robust strategies that align with business objectives while ensuring compliance with industry standards and regulations. Your key responsibilities will include managing a team of IT professionals, establishing security protocols, and conducting regular risk assessments...

Learn more

Security and Network Operations Lead

Added 23/07/2026

We are seeking a highly skilled Security and Network Operations Lead to oversee and enhance our network infrastructure and security protocols. In this role, you will be responsible for managing and optimizing network performance, ensuring the reliability and security of our systems. You will lead a team of network engineers and security analysts, collaborating to implement best practices and innovative solutions to mitigate risks and enhance overall security posture. Your expertise will be pivotal in developing and executing security policies, incident response strategies, and risk assessments to protect sensitive data and maintain compliance with industry standards. The ideal candidate will...

Learn more

Network and Security Enterprise Architect

Added 22/07/2026

We are seeking a highly skilled Network and Security Enterprise Architect to join our dynamic team. In this role, you will be responsible for designing and implementing robust network architectures that align with our organization’s strategic objectives. You will leverage your expertise in network design, security protocols, and enterprise architecture principles to ensure the integrity, availability, and confidentiality of our data. A key aspect of your responsibilities will include evaluating current network systems, identifying vulnerabilities, and recommending enhancements to improve security posture and operational efficiency. The ideal candidate will have a deep understanding of networking technologies, security frameworks, and best...

Learn more

Senior Cloud Network & Security Engineer , Vice President

Added 17/09/2026

We are seeking a Senior Cloud Network & Security Engineer at Vice President level to lead the design, engineering and continuous improvement of secure, resilient cloud connectivity across a complex technology environment. This role will provide technical direction for cloud network architecture, security controls and infrastructure standards, while partnering with engineering, architecture, operations and risk teams to deliver scalable platforms that support critical business services. Key responsibilities include designing and implementing secure network solutions across public and private cloud environments; developing connectivity patterns using virtual networks, transit gateways, routing, firewalls, VPNs, private endpoints and load-balancing technologies; and establishing robust controls...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.