3,201 Intrusion Detection jobs in the United Kingdom
Senior Network Security Engineer - Firewalls & Intrusion Detection
CB2 1JE Cambridge, Eastern
£75000 Annually
WhatJobs
Posted 10 days ago
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Job Description
Our client, a leading telecommunications provider, is seeking a highly skilled and experienced Senior Network Security Engineer to bolster their cybersecurity capabilities. This crucial role will focus on the design, implementation, and maintenance of robust network security infrastructure, with a particular emphasis on firewalls, intrusion detection/prevention systems (IDS/IPS), and VPN technologies. You will be responsible for protecting the company's network and data assets from sophisticated cyber threats, conducting security assessments, and responding to security incidents. The ideal candidate will possess in-depth knowledge of network protocols, security best practices, and a proven track record in safeguarding complex network environments.
Responsibilities:
Responsibilities:
- Design, configure, and manage enterprise-level firewalls (e.g., Palo Alto, Cisco ASA, Fortinet) and related security appliances.
- Implement, monitor, and tune Intrusion Detection/Prevention Systems (IDS/IPS) to identify and block malicious activity.
- Develop and maintain secure network architectures, ensuring segmentation and protection of critical assets.
- Manage and troubleshoot Virtual Private Network (VPN) solutions, including site-to-site and remote access VPNs.
- Conduct regular security vulnerability assessments and penetration testing to identify and remediate weaknesses.
- Develop and implement security policies and procedures, ensuring compliance with industry standards and regulations.
- Respond to and investigate security incidents, performing forensic analysis and implementing containment and eradication strategies.
- Monitor network traffic for security threats and anomalies, utilising SIEM (Security Information and Event Management) tools.
- Collaborate with other IT teams to ensure security is integrated into all aspects of network design and operations.
- Provide technical expertise and guidance on network security best practices to internal teams.
- Stay current with emerging security threats, vulnerabilities, and defence technologies.
- Participate in on-call rotation for security incident response.
- Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
- Minimum of 7 years of hands-on experience in network security engineering, with a focus on firewall management and IDS/IPS implementation.
- Expertise in configuring and managing leading firewall and IDS/IPS solutions.
- Strong understanding of TCP/IP networking, routing protocols (BGP, OSPF), and network security concepts (e.g., ACLs, NAT, VPNs).
- Proficiency with SIEM tools (e.g., Splunk, QRadar) and network monitoring tools.
- Experience with security frameworks and compliance requirements (e.g., ISO 27001, NIST).
- Relevant security certifications such as CISSP, CCSP, GIAC, or vendor-specific certifications are highly desirable.
- Excellent analytical, problem-solving, and incident response skills.
- Strong communication and collaboration abilities.
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0
Information Security Analyst
Coventry, West Midlands
Prism Digital
Posted today
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Job Description
Information Security Analyst | Security, Microsoft Purview, Defender | Global Trading Platform £60–70k base 10% bonus Hybrid in Coventry with monthly travel to London Security certification support & career development built-in Join a growing InfoSec team at the heart of a global financial institution’s expansion. As an Analyst, you’ll work hands-on with data governance, security tooling, and access management — helping to shape how a modern SME approaches cybersecurity. You’ll bring technical curiosity, the ability to interrogate data, and the confidence to advise IT teams on the practical steps that keep the business secure. What you’ll bring: 3 years’ experience in an InfoSec, IT security, or analyst role Security certifications: Security and ideally Microsoft security certifications (e.g. SC-200/SC-400) Experience with security tools (Microsoft Defender, web proxy, email security, CrowdStrike or equivalents) Knowledge of single sign-on and zero trust networks (beyond just segregation) Exposure to data management / governance tools (e.g. Microsoft Purview, or similar) Strong communicator: able to translate technical concepts into practical advice for IT and stakeholders What you’ll be doing: Recertification of accounts : Pulling and interrogating data through bespoke platforms Security tooling : Working with Defender, web proxy, CrowdStrike-equivalent tools Data management : Supporting data labelling & retention projects using Purview or similar Governance support : Involved in data loss prevention, labelling, and stakeholder engagement (including DPO) Practical incident response input : Advising IT on immediate steps during incidents, converting theory into quick, actionable responses Ongoing InfoSec operations : Metrics, monitoring, and security projects across applications and users Tech & tools you’ll use: Microsoft Purview – Data governance and policy enforcement Microsoft Defender – Endpoint & email protection CrowdStrike / equivalents – Endpoint detection & response Web proxy & email security tools Azure (beneficial) – IAM, monitoring, and security logging Why this role? Be central to shaping data governance and security operations in a dynamic SME environment Hands-on exposure to a wide range of security tools and concepts (not siloed to audit work) Opportunity to advise and influence IT directly on practical security decisions Work alongside experienced InfoSec leadership who value mentoring and professional growth If this sounds like something you would be interested in, please apply! Information Security Analyst | Security, Microsoft Purview, Defender | Global Trading Platform
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1
Information Security Analyst
Prism Digital
Posted 1 day ago
Job Viewed
Job Description
Information Security Analyst | Security+, Microsoft Purview, Defender | Global Trading Platform
- £60–70k base + 10% bonus
- Hybrid in Coventry with monthly travel to London
- Security certification support & career development built-in
Join a growing InfoSec team at the heart of a global financial institution’s expansion. As an Analyst, you’ll work hands-on with data governance, security tooling, and access management — helping to shape how a modern SME approaches cybersecurity. You’ll bring technical curiosity, the ability to interrogate data, and the confidence to advise IT teams on the practical steps that keep the business secure.
What you’ll bring:
- 3+ years’ experience in an InfoSec, IT security, or analyst role
- Security certifications: Security+ and ideally Microsoft security certifications (e.g. SC-200/SC-400)
- Experience with security tools (Microsoft Defender, web proxy, email security, CrowdStrike or equivalents)
- Knowledge of single sign-on and zero trust networks (beyond just segregation)
- Exposure to data management / governance tools (e.g. Microsoft Purview, or similar)
- Strong communicator: able to translate technical concepts into practical advice for IT and stakeholders
What you’ll be doing:
- Recertification of accounts : Pulling and interrogating data through bespoke platforms
- Security tooling : Working with Defender, web proxy, CrowdStrike-equivalent tools
- Data management : Supporting data labelling & retention projects using Purview or similar
- Governance support : Involved in data loss prevention, labelling, and stakeholder engagement (including DPO)
- Practical incident response input : Advising IT on immediate steps during incidents, converting theory into quick, actionable responses
- Ongoing InfoSec operations : Metrics, monitoring, and security projects across applications and users
Tech & tools you’ll use:
- Microsoft Purview – Data governance and policy enforcement
- Microsoft Defender – Endpoint & email protection
- CrowdStrike / equivalents – Endpoint detection & response
- Web proxy & email security tools
- Azure (beneficial) – IAM, monitoring, and security logging
Why this role?
- Be central to shaping data governance and security operations in a dynamic SME environment
- Hands-on exposure to a wide range of security tools and concepts (not siloed to audit work)
- Opportunity to advise and influence IT directly on practical security decisions
- Work alongside experienced InfoSec leadership who value mentoring and professional growth
If this sounds like something you would be interested in, please apply!
Information Security Analyst | Security+, Microsoft Purview, Defender | Global Trading Platform
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2
Information Security Analyst
NR1 1AA Norwich, Eastern
£35000 Annually
WhatJobs
Posted today
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Job Description
Our client is seeking a vigilant and technically skilled Information Security Analyst to bolster their cybersecurity defenses. This is a fully remote position, providing a great opportunity to work from your preferred UK location.
Responsibilities:
Responsibilities:
- Monitor security alerts and events from various sources, including SIEM, IDS/IPS, and firewalls, to identify potential security incidents.
- Investigate security breaches and suspicious activities, performing root cause analysis and recommending remediation steps.
- Assist in the development and maintenance of security policies, procedures, and guidelines.
- Conduct vulnerability assessments and penetration testing to identify and prioritize security weaknesses.
- Support the implementation and management of security technologies and tools.
- Participate in incident response activities, including containment, eradication, and recovery.
- Stay up-to-date with the latest cybersecurity threats, trends, and technologies.
- Assist in security awareness training for employees.
- Contribute to security audits and compliance checks.
- Generate regular reports on security posture, incidents, and mitigation efforts.
- Collaborate with IT teams to ensure security best practices are integrated into system design and operations.
- Bachelor's degree in Information Security, Computer Science, or a related field, or equivalent practical experience.
- 1-3 years of experience in an information security or cybersecurity role.
- Familiarity with security concepts, principles, and technologies (e.g., firewalls, VPNs, IDS/IPS, SIEM).
- Understanding of common cyber threats and attack vectors.
- Basic knowledge of network protocols and operating systems.
- Strong analytical and problem-solving skills.
- Excellent written and verbal communication skills.
- Ability to work independently and as part of a remote team.
- Certifications such as CompTIA Security+ are a plus.
- A keen interest in cybersecurity and a desire to learn and grow in the field.
This advertiser has chosen not to accept applicants from your region.
3
Information Security Analyst
BT1 2JE Belfast, Northern Ireland
£50000 Annually
WhatJobs
Posted today
Job Viewed
Job Description
Our client, a leading firm in the financial services sector, is seeking a vigilant and skilled Information Security Analyst to join their team in Belfast, Northern Ireland, UK . This crucial role involves safeguarding the organization's digital assets, systems, and data from cyber threats. You will be responsible for monitoring security systems, investigating potential breaches, implementing security controls, and developing incident response plans. The ideal candidate possesses a strong understanding of cybersecurity principles, threat landscapes, and risk management. This position offers a hybrid working model, blending essential on-site collaboration with remote work flexibility.
Key Responsibilities:
Qualifications:
This hybrid role requires a commitment to working in our client's Belfast office for collaborative efforts and key security operations, while also offering the flexibility of remote work. If you are passionate about cybersecurity and possess the required skills, we encourage you to apply.
Key Responsibilities:
- Monitor security alerts and logs from various security systems (SIEM, IDS/IPS, firewalls, etc.).
- Investigate security incidents, perform root cause analysis, and recommend remediation actions.
- Implement and maintain security controls and technologies to protect the organization's infrastructure.
- Develop and update security policies, procedures, and standards.
- Conduct vulnerability assessments and penetration testing.
- Participate in security awareness training for employees.
- Assist in the development and execution of the incident response plan.
- Stay informed about emerging cyber threats, vulnerabilities, and security best practices.
- Collaborate with IT teams to ensure the security of systems and applications.
- Generate regular security reports for management.
Qualifications:
- Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- Minimum of 3 years of experience in information security, cybersecurity operations, or a related role.
- Strong knowledge of security principles, network protocols, and common attack vectors.
- Experience with SIEM tools, vulnerability scanners, and endpoint detection and response (EDR) solutions.
- Familiarity with security frameworks such as ISO 27001 or NIST.
- Relevant security certifications (e.g., Security+, CISSP, CEH) are highly desirable.
- Excellent analytical and problem-solving skills.
- Strong communication and interpersonal skills.
- Ability to work effectively in a team environment and independently.
- Experience with hybrid work arrangements is a plus.
This hybrid role requires a commitment to working in our client's Belfast office for collaborative efforts and key security operations, while also offering the flexibility of remote work. If you are passionate about cybersecurity and possess the required skills, we encourage you to apply.
This advertiser has chosen not to accept applicants from your region.
4
Information Security Analyst
PO1 3AP Portsmouth, South East
£40000 Annually
WhatJobs
Posted 1 day ago
Job Viewed
Job Description
Our client, a leading organisation in **Portsmouth, Hampshire, UK**, is seeking a dedicated Information Security Analyst to bolster their cybersecurity posture. This is a critical role focused on protecting sensitive data and systems from evolving threats. You will be responsible for monitoring security systems, investigating incidents, implementing security controls, and ensuring compliance with relevant policies and regulations. Key responsibilities include:
The ideal candidate will hold a Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field. Professional certifications such as CompTIA Security+, CEH, or CISSP are highly desirable. Proven experience (3+ years) in information security, incident response, vulnerability management, or a similar role is required. Strong technical knowledge of networking protocols, operating systems (Windows, Linux), and various security technologies is essential. Excellent analytical and problem-solving skills, attention to detail, and the ability to work under pressure are paramount. Strong written and verbal communication skills are necessary for clear reporting and effective collaboration. Experience with cloud security concepts (AWS, Azure) is a plus. A proactive mindset towards identifying and mitigating security risks is crucial for success in this role.
- Monitoring security alerts and logs from various security tools, including SIEM, IDS/IPS, firewalls, and endpoint protection solutions.
- Investigating and responding to security incidents in a timely and effective manner, documenting findings and recommending remediation steps.
- Conducting vulnerability assessments and penetration testing to identify security weaknesses.
- Implementing and maintaining security controls and configurations across IT infrastructure.
- Assisting in the development and enforcement of information security policies and procedures.
- Performing security audits and reviews to ensure compliance with internal standards and external regulations (e.g., GDPR, ISO 27001).
- Providing security awareness training to employees.
- Researching and staying up-to-date on the latest cybersecurity threats, trends, and technologies.
- Collaborating with IT teams to ensure security is integrated into all stages of the IT lifecycle.
- Managing and maintaining security documentation and incident response plans.
- Contributing to the continuous improvement of the organization's security posture.
The ideal candidate will hold a Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field. Professional certifications such as CompTIA Security+, CEH, or CISSP are highly desirable. Proven experience (3+ years) in information security, incident response, vulnerability management, or a similar role is required. Strong technical knowledge of networking protocols, operating systems (Windows, Linux), and various security technologies is essential. Excellent analytical and problem-solving skills, attention to detail, and the ability to work under pressure are paramount. Strong written and verbal communication skills are necessary for clear reporting and effective collaboration. Experience with cloud security concepts (AWS, Azure) is a plus. A proactive mindset towards identifying and mitigating security risks is crucial for success in this role.
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5
Information Security Analyst
MK1 1AA Milton Keynes, South East
£40000 Annually
WhatJobs
Posted 1 day ago
Job Viewed
Job Description
Our client, a forward-thinking financial services organisation located in Milton Keynes, Buckinghamshire, UK , is looking for a diligent and proactive Information Security Analyst to join their dedicated security team. This hybrid role offers the opportunity to contribute to the protection of critical data assets and ensure the integrity and confidentiality of our information systems. You will be responsible for monitoring security alerts, investigating potential threats, and implementing security controls to mitigate risks. Your duties will include conducting vulnerability assessments, performing security audits, and assisting in the development and refinement of security policies and procedures. We are seeking an individual with a strong understanding of cybersecurity principles, network security, and common attack vectors. Experience with security information and event management (SIEM) tools, intrusion detection/prevention systems (IDS/IPS), and endpoint security solutions is highly desirable. You will collaborate with IT teams to ensure security is integrated into all aspects of the technology infrastructure. This role requires excellent analytical skills, meticulous attention to detail, and the ability to respond effectively to security incidents. You will play a key role in maintaining compliance with relevant regulations and standards. A passion for cybersecurity and a commitment to continuous learning are essential. This is an excellent opportunity to advance your career in information security within a supportive and stable organisation.
Key Responsibilities:
Key Responsibilities:
- Monitor security systems and respond to security alerts and incidents.
- Conduct vulnerability assessments and penetration testing.
- Assist in the development and enforcement of information security policies.
- Perform security audits and compliance checks.
- Investigate security breaches and provide root cause analysis.
- Implement and manage security controls and tools.
- Provide security awareness training to staff.
- Stay up-to-date with the latest security threats and technologies.
- Collaborate with IT teams on security-related projects.
- Contribute to the continuous improvement of security posture.
- Bachelor's degree in Cybersecurity, Computer Science, or a related field, or equivalent experience.
- 2+ years of experience in information security or a related IT security role.
- Knowledge of cybersecurity principles, network security, and common threats.
- Experience with SIEM, IDS/IPS, and endpoint security solutions.
- Familiarity with security frameworks (e.g., ISO 27001, NIST).
- Excellent analytical and problem-solving skills.
- Strong communication and interpersonal abilities.
- Relevant security certifications (e.g., CompTIA Security+, CEH) are a plus.
This advertiser has chosen not to accept applicants from your region.
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6
Information Security Analyst
G1 1AA Glasgow, Scotland
£40000 Annually
WhatJobs
Posted 2 days ago
Job Viewed
Job Description
Our client is seeking a vigilant and skilled Information Security Analyst to join their expanding cybersecurity team. This role offers full remote flexibility, allowing you to contribute to safeguarding critical data and systems from a location of your choice. You will be responsible for monitoring security alerts, investigating potential threats, implementing security controls, and assisting in the development and enforcement of security policies and procedures. Your role will involve analysing security vulnerabilities, performing risk assessments, and developing mitigation strategies to protect the organisation's digital assets. You will also collaborate with IT teams to ensure systems are configured securely and participate in incident response activities. The ideal candidate will have a strong understanding of cybersecurity principles, network security, and common security threats. Experience with security information and event management (SIEM) tools, intrusion detection/prevention systems (IDPS), and vulnerability management platforms is highly desirable. Relevant certifications such as CompTIA Security+, CEH, or CISSP are a significant advantage. Excellent analytical and problem-solving skills, coupled with strong communication abilities, are essential for effectively reporting on security incidents and recommendations. You must be able to work independently, manage your time effectively, and remain calm under pressure during security incidents. This is a critical role in protecting our client's information assets and maintaining trust with their customers. You will have the opportunity to work with cutting-edge security technologies and contribute to shaping the company's security posture. Join a dedicated team committed to maintaining a secure and resilient IT environment. We offer continuous learning opportunities and a supportive remote work culture.
This advertiser has chosen not to accept applicants from your region.
7
Information Security Analyst
OX1 1AA Oxford, South East
£45000 Annually
WhatJobs
Posted 3 days ago
Job Viewed
Job Description
Our client is seeking a skilled and vigilant Information Security Analyst to join their established team in Oxford, Oxfordshire, UK . This critical role involves protecting our client's digital assets and sensitive information from cyber threats through proactive monitoring, incident response, and the implementation of robust security measures. Key responsibilities include conducting vulnerability assessments and penetration testing, analysing security logs and alerts to detect and respond to threats, developing and enforcing security policies and procedures, and staying abreast of the latest security technologies and industry best practices. You will also be involved in security awareness training for staff and contribute to the continuous improvement of the overall security posture. The ideal candidate will possess a strong technical background in information security, including experience with firewalls, intrusion detection/prevention systems, encryption, and endpoint security solutions. A solid understanding of network protocols, operating systems (Windows, Linux), and cloud security principles is essential. Certifications such as CISSP, CISM, or Security+ are highly desirable. Excellent analytical, problem-solving, and communication skills are a must, as you will need to articulate complex security issues clearly to both technical and non-technical audiences. A Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience, is required. We are looking for an individual with a high level of integrity, a proactive mindset, and the ability to work under pressure. This is an exciting opportunity to contribute to a vital function within a reputable organization and to grow your career in a challenging and rewarding field. Join our team and be at the forefront of defending against cyber adversaries.
This advertiser has chosen not to accept applicants from your region.
8
Information Security Analyst
CV6 6LA Coventry, West Midlands
£45000 Annually
WhatJobs
Posted 4 days ago
Job Viewed
Job Description
Our client, a forward-thinking manufacturing company committed to safeguarding its digital assets, is seeking a diligent and proactive Information Security Analyst to join their IT security team in Coventry, West Midlands, UK . This role is crucial in protecting the organisation's information systems and data from cyber threats, ensuring compliance with security policies and regulations. You will be involved in monitoring security systems, identifying vulnerabilities, and responding to security incidents.
Key responsibilities include performing regular security assessments, vulnerability scanning, and penetration testing to identify potential weaknesses in the IT infrastructure. You will monitor security alerts and logs, investigate suspicious activities, and implement appropriate security measures to mitigate risks. Developing and enforcing security policies, procedures, and standards, as well as providing security awareness training to employees, are integral to this position. You will also play a role in incident response, including analysing security breaches, containing threats, and supporting recovery efforts. Staying up-to-date with the latest security threats, vulnerabilities, and technologies is essential.
The ideal candidate will possess a Bachelor's degree in Computer Science, Information Technology, or a related field, with demonstrable experience in information security. Knowledge of security frameworks (e.g., ISO 27001, NIST), security tools (e.g., SIEM, firewalls, IDS/IPS), and common cyber-attack vectors is required. Strong analytical and problem-solving skills, attention to detail, and excellent communication abilities are essential. Certifications such as CompTIA Security+, CISSP, or CEH are highly desirable. This role, based in Coventry, West Midlands, UK , offers a significant opportunity to contribute to the security posture of a growing organisation and develop your career in the vital field of information security.
Key responsibilities include performing regular security assessments, vulnerability scanning, and penetration testing to identify potential weaknesses in the IT infrastructure. You will monitor security alerts and logs, investigate suspicious activities, and implement appropriate security measures to mitigate risks. Developing and enforcing security policies, procedures, and standards, as well as providing security awareness training to employees, are integral to this position. You will also play a role in incident response, including analysing security breaches, containing threats, and supporting recovery efforts. Staying up-to-date with the latest security threats, vulnerabilities, and technologies is essential.
The ideal candidate will possess a Bachelor's degree in Computer Science, Information Technology, or a related field, with demonstrable experience in information security. Knowledge of security frameworks (e.g., ISO 27001, NIST), security tools (e.g., SIEM, firewalls, IDS/IPS), and common cyber-attack vectors is required. Strong analytical and problem-solving skills, attention to detail, and excellent communication abilities are essential. Certifications such as CompTIA Security+, CISSP, or CEH are highly desirable. This role, based in Coventry, West Midlands, UK , offers a significant opportunity to contribute to the security posture of a growing organisation and develop your career in the vital field of information security.
This advertiser has chosen not to accept applicants from your region.
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