1 to 25 of 286 Network Security Jobs in the South East

Social network you want to login/join with: We are looking for a security-focused, results-oriented individual who thrives in a collaborative, team-focused culture. You will work closely with IT and OT network managers, suppliers, business stakeholders, service owners, and your team to ensure the delivery of secure, reliable, and resilient network services … across Thames Water. We are seeking a Network Security Manager to lead and manage the end-to-end BAU (Business As Usual) service delivery for network security across Operational Technology (OT) and Information Technology (IT). You will be responsible for maintaining robust security controls, managing suppliers, mitigating operational risk, and ensuring compliance with industry … standards to protect Thames Water’s critical infrastructure. What you’ll do as a Network Security Manager Network Security Management: Maintain oversight of IT and OT network systems, including VPNs, SDWAN, and firewalls. Ensure all network security services are fit for purpose and aligned with business outcomes. Approve and manage all changes affecting More ❯

role will also require the Senior Infrastructure Engineer to be part of a team designing and building new IT services and infrastructures and help with improvements in current Server, Network, IT Secruity and Cloud systems. Role Responsibilities: Maintain and enhance IT infrastructure, including VMware ESXi, Linux, Microsoft Windows Server environments, and networking components. Develop and manage automation solutions to … Automate configuration management, infrastructure provisioning, and application deployment. Ensure system reliability, scalability, and performance through proactive monitoring and automation. Deploy and manage monitoring tools (Zabbix, SolarWinds SentryOne, and other network/database monitoring solutions). Maintain and improve local network environments, including Dell servers and Dell switch configurations. Strong technical expertise in Microsoft Active Directory (AD), Windows Server … delivering, and supporting robust, resilient, and secure enterprise infrastructure. Experience with IT audits and compliance frameworks (CIS, PCI DSS, Cyber Essentials, NIST, ISO 27001). In-depth understanding of network security and compliance in regulated environments. Proven ability to secure high-value data (PCI cardholder data, PII) and implement security best practices. Strong networking knowledge (LAN, WAN More ❯

should work with your line manager to understand what their expectations are for you, your specific role and your team. Who We Are We're here to build a network the UK can count on - one that connects people, places and potential. Because no matter where you live, what your background is, or how you get online - we think … Digital teams where we harness the power of digital and embody the spirit of innovation to deliver the best solutions for our customers. What you'll do As the Security Architect SbD Networks you will be required to develop and document end-to-end security architecture that will protect the network infrastructure from the significant and persistent … cyber security threat to which Vodafone UK is exposed to. You need to ensure security architecture is developed adequately to protect the availability, confidentiality and integrity of network infrastructure assets and the customer services provided by these assets. The security architect is required to develop this architecture in conjunction with Group and European region technical architects More ❯

a lifeline. Are you a skilled cybersecurity professional with a passion for aviation or mission-driven charity work? In this role, you'll be responsible for implementing and managing security infrastructure, responding to threats, and ensuring compliance across systems. You'll work with various cyber security solutions while driving security best practices and incident response. If you … Based Role - Ashford, (Kent) UK or Cairns, Australia. UK - £43,800 per annum (dependent on experience) Australia - $85,000 AUD per annum (dependent on experience) Responsibilities As a MAF Security Operations Specialist you will play a critical role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint … vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your expertise in network security, VPNs, SD-WAN, and Microsoft Defender solutions will help safeguard our systems, while your contributions to incident response, governance, and security More ❯

a lifeline. Are you a skilled cybersecurity professional with a passion for aviation or mission-driven charity work? In this role, you'll be responsible for implementing and managing security infrastructure, responding to threats, and ensuring compliance across systems. You'll work with various cyber security solutions while driving security best practices and incident response. If you … right to work in the UK or Australia. Acceptance of and adherence to MAF's purpose, vision and values is an essential condition of employment. Responsibilities As a MAF Security Operations Specialist you will play a critical role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint … vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your expertise in network security, VPNs, SD-WAN, and Microsoft Defender solutions will help safeguard our systems, while your contributions to incident response, governance, and security More ❯

Social network you want to login/join with: As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across Thames Water’s IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our … security posture, and ensuring that new capabilities are securely deployed in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of … IT and OT systems, and a passion for continuous improvement in cybersecurity operations. What you’ll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain More ❯

faculty of world experts, EIT seeks to solve the world's most challenging problems across four high-risk, high-reward, high-impact humane endeavours: health and medical science; food security and sustainable agriculture; climate change and clean energy; and Artificial Intelligence & Robotics. EIT is investing significant resources in a new world-class research and development facility in the Oxford … resilient in our efforts to drive long-term, sustainable innovation to meet humanity's most enduring challenges. Reporting into the IT Director, EIT is looking for a Head of Network Infrastructure to lead our enterprise-wide network and infrastructure strategy and be a significant contributor to the development of our Oracle Cloud Infrastructure strategy. As Head of Network … secure, and scalable LAN, WAN, Wi-Fi, and Cloud architecture to support our mission-critical scientific research and technology-driven operations. We are at the very start of our Network Infrastructure journey, and the successful candidate will have the opportunity to build and deliver the latest network technologies to support a multi-site campus that requires fast, reliable More ❯

Social network you want to login/join with: Network and Endpoint Security Pre-Sales Architect - London, slough col-narrow-left Client: Accenture Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Network and Endpoint Security Pre … Sales Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global professional services company, providing a broad range … technology to each business challenge. We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing More ❯

The successful candidate will be responsible for maintaining our company's infrastructure within our international offices. The resource will ensure availability, performance and security of systems across all platforms. To be a successful candidate, you will need to have a strong understanding of network infrastructure, network hardware and servers. You will also need to be able to … implement, administer, and troubleshoot network devices including and not limited to WAPs, firewalls, routers, switches, iSCSI fabrics, server and controllers. There will be some travel required where deemed essential and some out of hours work. Responsibilities Maintaining, implementing and troubleshooting the network infrastructure. Firewalls. Working through network related ticket escalations from the Service Desk team and alerts … from the network monitoring system. Implementing new network security measures. Monitoring network performance to determine if adjustments need to be made. Ensuring that all changes to production infrastructure are documented according to change management procedures with required approval before deployment. Supporting responses to data security (prevention, threat hunting and remediation). Penetration testing and firewall More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment … with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. … What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage security controls across More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment … with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. … What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage security controls across More ❯

Social network you want to login/join with: Mandarin Speaking - IT Security Engineer, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Role Overview: Additional Information: Please note, this role requires working full-time … onsite, five days per week. NON Negotiable We are seeking an experienced IT Security Engineer to become a vital part of a growing IT Department. This critical role will focus on protecting our information assets through robust cybersecurity measures, ensuring adherence to best practices, international standards, and local regulations. Ideally suited to candidates who possess expert knowledge of security … including NIST 800, ISO 27001, and cybersecurity guidelines from PRA, FCA, and ICO. Candidates with at least 3 years' relevant experience in finance or banking, particularly as an information security officer or involvement in regulatory technical projects, are strongly preferred. Key Responsibilities: Develop and maintain cybersecurity policies and procedures, ensuring compliance with industry standards and local regulations. Real-time More ❯

level-headed software solutions. The team is all like-minded individuals, with a drive to succeed in their own fields. ROLE OBJECTIVE We are seeking a highly skilled Cyber Security Consultant with a strong background in penetration testing and network security. This role is ideal for a cybersecurity professional with experience in identifying, assessing, and mitigating security risks across various platforms. The consultant will play a critical role in evaluating and strengthening our clients’ cybersecurity postures by conducting in-depth security assessments, vulnerability analysis, and developing comprehensive security strategies. RESPONSIBILITIES Conduct comprehensive penetration tests, vulnerability assessments, and security audits to identify risks and ensure compliance with industry best practices. Provide expert recommendations and … solutions to mitigate identified vulnerabilities, enhancing client systems’ security postures. Investigate alerts and suspicious activity to determine if an incident has occurred. Contain affected systems and networks to prevent the incident from spreading. Implement temporary measures to mitigate the impact of the incident. Work with other teams, such as IT and security operations, to develop and implement a More ❯

Social network you want to login/join with: Senior Cyber Security Engineer, Farnborough col-narrow-left Client: Location: Farnborough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 165b5b9ae5ca Job Views: 6 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: Description At Leidos, we deliver innovative solutions through the efforts … to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. We require a senior Cyber Security Engineer for support to our customer projects within Civil & Devolved Government and Energy (DG&E) divisions in the UK. You need to be in the UK with ability to … hold SC Clearance or above and you may need to apply for additional personnel security clearances. We are looking for individuals who join a high-performing team and work confidently to make excellent security happen quietly for our customers with high assurance and no fuss. Simple, effective security that our customers value. The role will support work More ❯

Network Engineer ?" Milton Keynes and Remote Our Client is seeking to recruit a Network Engineer with at least 7 to 10 years proven hands-on expertise. Plan and implement network transformation across 43 UK sites to support a rollout of 1 to1 Devices to students. Support the design and implement of layer 3 network enhancement, additional … WiFi Access Points, and the deployment of new firewalls. Peer review the proposed design and configuration and provide documentation in line with departmental standards. Manage the Network Changes into support. Assess existing network IP address schema and DHCP scope Plan an expansion to accommodate additional network devices Test solution, connectivity, and routing Deploy new IP address schema … across all sites Document & Transition to Support Assess location and AP density to guarantee performance with increase in concurrent connections Plan and position additional APs to maintain network performance Deploy APs and test performance Document & Transition to Support Firewalls Assess existing firewall configuration including rules, routers and VPNs Build new ruleset template for deployment across estate Test firewall configuration More ❯

Social network you want to login/join with: Hazeltree is a global leader in cloud-based treasury solutions, empowering investment firms with cutting-edge technology to optimize financial performance, enhance liquidity, and mitigate risk. As part of our commitment to security and innovation, we are expanding our Information Security Team and seeking a DevSecOps Engineer to … drive security automation and best practices across our cloud infrastructure and IT operations. Job Overview As a DevSecOps Engineer , you will play a pivotal role in integrating security practices into our DevOps pipeline and IT operations . Working at the intersection of operations, security, and development , you will collaborate closely with internal teams to safeguard critical business … operations by design and default. You will be responsible for security automation, CI/CD pipeline enhancements , and cloud security management , ensuring compliance with industry standards. Key Responsibilities Security & DevOps Integration: Support and extend the secured CI/CD pipeline to enhance development security. Work with development teams to optimize infrastructure security. Maintain and secure AWS cloud More ❯

Job Title: SOC Analyst Location: Reading, United Kingdom (Hybrid- 1-2 days/week) Job Type: Contract Inside IR35 Client: Wipro Job Overview: As an OT Senior Cyber Security Analyst, you will be responsible for maintaining SecOps (Security Operations) solutions, controls and processes across the organisation. You will be mentoring and assisting with leading the SOC team to … ability to collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication and incident management skills and will be committed to ensuring the highest level of security, compliance, and user experience. Responsibilities: Investigate security alerts from our SIEM tool and 3rd party MSSPs, and to provide appropriate incident response actions. Liaise with technology and business … stakeholders in relation to cyber security issues/incidents providing clear descriptions and actions. Support the Cyber Security Operations Lead for security and privacy incidents, triaging events and performing root cause analysis to understand how incidents arise. Acting as the key contact and escalation point for the SOC and Thames Water Digital teams. Supporting out-of-hours More ❯

CityFibre provides wholesale connectivity to multiple business and consumer service providers, local authorities and mobile operators. Job Description As the UK's largest fibre-only network, and its only proven wholesale challenger, we're busy setting new standards for what digital infrastructure can and should be. Designed from scratch for the internet, our network is greener, more reliable … What does that mean for you? The opportunity to make internet connections (and daily life) a whole lot better, for a lot of people! Joining us as a Senior Network Engineer - Security You'll be joining a forward-thinking Network Engineering team at the heart of our mission to build and secure the UK's most advanced … full-fibre network. This role is key to delivering robust, scalable security solutions that protect our infrastructure and support our rapid growth. You'll work on cutting-edge technologies, contribute to strategic security initiatives, and help shape the future of secure connectivity. You'll receive a salary of up to £80,000, a performance related bonus, and a More ❯

Social network you want to login/join with: Americold – Helping our customers Feed the World Here at Americold Barcelona we are now recruiting for a Senior IT Security Engineer. The Senior IT Security Engineer will design, configure, optimize existing, and deploy new security systems/solutions aligned with global business risk/objectives. This role … is focused on technical operations and support of various information security tools including event/incident management (SIEM), cloud security, endpoint detection and response, email security, and vulnerability management. This position will be responsible for supporting the Director IT Security in reviewing and evaluating new, alternative, and cost-effective information security solutions and services and … partnering with compliance. Essential Functions: Partners with various teams, Infrastructure, End User Computing and the PMO to optimize existing security services and deploy new tools in support of the security roadmap. Must be capable of interacting effectively with various internal teams, peers, and management staff. Support the information security manager with creating information security metrics for More ❯

About the job We currently have an exciting opportunity for SeniorNetwork Engineer to join our existing experienced team. What do we look for in a Senior Network Engineer? Do you feel as comfortable building and supporting production LANs as you do global WANs? Can you implement firewall rules from an application's bespoke requirements? Are you a tinkerer able … an organisation working on latest technologies and incorporating solutions in an innovative way? Are you ready to learn about Secure by Design methodologies from a company working in National Security & Defence? Essential Skills: Implementation and Support of; Wide Area Network Architecture Network Routing Protocols - OSPF, BGP Virtual Private Networks (VPNs) and Network Security Infrastructure - e.g. … IKEv2, NGFWs Creating configuration guides and implementing from High Level and Low Level Designs Desirable Skills: Implementation and Support of; Data Centre Network Architecture - Spine/Leaf Fabric, EVPN, BGP, Geneve High Assurance IP Encryptors (HAIPE) Infrastructure Automation and Orchestration technologies (e.g. Ansible, Terraform etc.) Whitebox Network Infrastructure (e.g. Mellanox, Cumulus Linux, Nvidia Networking) Support and Troubleshooting of More ❯

Social network you want to login/join with: We are looking for an experienced and results-oriented Cybersecurity Business Development Manager/Sales Manager to lead our sales efforts across the UK, Ireland, and Continental Europe. This strategic role is crucial for driving revenue growth, building strong customer relationships, and establishing Tata Communications Ltd as a leader in … cybersecurity space within the region. You will be responsible for the entire sales cycle, from pipeline generation and proposal leadership to closing deals, focusing on our comprehensive suite of security solutions. Key Responsibilities: Lead and orchestrate the creation of compelling, high-quality, security-focused proposals and responses to Requests for Proposals (RFPs). Leverage deep technical understanding across … diverse cybersecurity domains including Security Operations Centers (SOC), Endpoint Detection and Response (EDR), Governance, Risk & Compliance (GRC), network security (including firewalls), cloud security, Operational Technology (OT) security, and data security (encryption, DLP, key management). Revenue Generation & Customer Relationship Management: Develop and execute strategic sales plans to achieve revenue targets and expand our customer More ❯

talk with your recruiter to learn more. Base pay range Direct message the job poster from Burman Recruitment A leading medical research institution is seeking an experienced and creative Network Engineer to play a key role in supporting the IT infrastructure that underpins internationally recognised scientific research and teaching. You’ll join a skilled Systems and Networks team responsible … for maintaining a complex server and network environment supporting over 6,000 users across a multi-site organisation. This is a rare opportunity to help shape and deliver cutting-edge IT services within a world-class academic and research setting—without being locked into a commercial IT environment. Key Responsibilities: Lead the design, installation and ongoing management of the … organisation’s enterprise network infrastructure. Develop network management tools and help modernise legacy systems with an eye on security, scalability, and performance. Provide advanced administration across network and associated infrastructure, including VMware, firewalls, LAN/WAN, data centres, and monitoring platforms. Manage and contribute to strategic IT transformation projects including network refreshes, systems integration, and More ❯

role Do you enjoy problem-solving? Are you inspired by helping organizations across the globe? If so, we have just the job for you. Join F5's team of Network Support Engineers as we accelerate our efforts to power and protect applications of every description and across every conceivable environment. So, if you've got a curiosity to learn … at F5: Customer support experience with enterprise-level corporate customers in production environments. Hands-on technical experience with LAN/WAN operations (e.g., DNS, Open SSL, Cryptography, virtualization, etc.), Network Protocols, UNIX or Linux (e.g., Redhat) operating systems, as well as VMware or equivalent hypervisors and network hardware. Solid grasp of TCP/IP protocols and the OSI … model. Understanding packet captures using Wireshark Knowledge of DNS and HTTP protocol in detail. Understating of SSL/TLS handshake Experience of Network Security (e.g., Web Application Security, AAA, VPN, DDoS, Malware, Application Firewalls, etc.). Ability to read, write and speak English fluently, including technical concepts and terminology. Able to communicate technical information to customers with More ❯

Dartford (Hybrid - 2 days on-site per month) Full-time | Permanent A leading logistics organisation is seeking a Network Security Engineer to join their growing team. If you're passionate about networking and cybersecurity and thrive in fast-paced environments, this is a fantastic opportunity to work with modern technologies and make a real impact. Key Responsibilities: Deploy … and maintain network security infrastructure (routers, switches, firewalls, IDS/IPS). Manage Cisco-based systems, including firewalls, VPNs, and NAC. Monitor traffic, troubleshoot issues, and enhance performance. Implement secure remote access and VPN solutions. Oversee PKI management and recommend security improvements. Collaborate with IT, Cybersecurity, and third-party vendors. What You'll Bring: Proven experience with … network infrastructure and security protocols. Familiarity with IDS/IPS, cloud security, and encryption standards. Strong troubleshooting and analytical skills. Certifications such as CCNA, CCNP, or CompTIA Network+ are desirable. What's on Offer: Competitive salary package 25 days holiday Hybrid working (only 2 days/month on-site) Free parking, onsite canteen Enhanced family leave & wellbeing More ❯

Social network you want to login/join with: Senior Cyber Security Engineer – Contract Location: London (Hybrid) Employment Type: 6-Month Contract We’re looking for a highly experienced Senior Cyber Security Engineer to join a leading consultancy on a contract basis. This is an exciting opportunity to work on critical, high-impact projects for enterprise clients … contributing your expertise in security architecture, risk management, and incident response. Key Responsibilities: Lead security assessments and provide expert guidance on risk mitigation Design and implement robust security controls across systems and networks Support incident response and threat detection activities Collaborate with DevOps and infrastructure teams on secure design and delivery Advise clients on best practices aligned … with industry standards and frameworks Requirements: Proven experience in cyber security engineering, ideally within consultancy or client-facing roles Strong knowledge of cloud security (AWS, Azure), network security, and SIEM tools Familiarity with NIST, ISO 27001, CIS Controls, and other security frameworks Excellent communication skills and the ability to manage senior stakeholders SC clearance (or More ❯