3,765 Security Engineer jobs in the United Kingdom

• Design, implement, and manage security solutions such as firewalls, intrusion detection/prevention systems (IDPS), VPNs, and endpoint protection.
• Monitor security infrastructure for anomalies and potential threats, responding effectively to security incidents.
• Conduct vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Develop and maintain security policies, procedures, and guidelines.
• Ensure compliance with relevant security standards and regulations.
• Collaborate with IT teams to integrate security best practices into system design and deployment.
• Investigate security breaches and other cybersecurity incidents, providing detailed analysis and reports.
• Automate security tasks and processes using scripting and other tools.
• Stay current with emerging security threats, vulnerabilities, and technologies.
• Provide technical expertise and support on security-related matters to internal teams.
• Contribute to the development and execution of security awareness training programs.
• Assist in the development and maintenance of disaster recovery and business continuity plans.

• Design, deploy, and manage security infrastructure, including firewalls, IDS/IPS, and VPNs.
• Implement and maintain security controls for servers, endpoints, and network devices.
• Develop and automate security processes and workflows.
• Conduct regular vulnerability assessments and penetration testing.
• Monitor security logs and alerts, investigate potential incidents, and perform analysis.
• Assist in developing and executing the incident response plan.
• Contribute to security architecture reviews and provide recommendations.
• Ensure compliance with security policies and industry best practices.
• Stay updated on emerging threats and security technologies.
• Provide technical support and guidance on security-related matters.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field, or equivalent practical experience.
• Proven experience as an Information Security Engineer or similar role.
• Strong knowledge of network protocols, security principles, and common vulnerabilities.
• Hands-on experience with security tools (e.g., SIEM, EDR, vulnerability scanners).
• Proficiency in scripting languages (e.g., Python, PowerShell) for automation.
• Experience with cloud security (AWS, Azure, GCP) is a plus.
• Relevant security certifications such as CompTIA Security+, CEH, or CISSP are advantageous.
• Excellent analytical and problem-solving abilities.
• Strong communication skills and the ability to collaborate effectively in a remote team.

• Implement, configure, and manage network security devices and systems (e.g., firewalls, IDS/IPS).
• Monitor security systems and analyze logs for potential threats and incidents.
• Respond to security incidents and perform initial triage and containment.
• Assist in vulnerability assessments and penetration testing activities.
• Develop and maintain security documentation, including policies, procedures, and configurations.
• Support the deployment and management of endpoint security solutions.
• Collaborate with IT teams to ensure secure network and system configurations.
• Stay current with emerging security threats and technologies.
• Participate in security awareness initiatives.
• Ensure compliance with relevant security standards and regulations.

• Proven experience as an Information Security Engineer or a similar security operations role.
• Hands-on experience with network security technologies such as firewalls, IDS/IPS, and VPNs.
• Familiarity with endpoint security solutions and malware analysis.
• Understanding of security principles, including access control, cryptography, and threat modeling.
• Experience with security monitoring tools and SIEM platforms is a plus.
• Knowledge of cloud security best practices is desirable.
• Strong analytical and problem-solving skills.
• Good communication and teamwork abilities.
• Relevant security certifications (e.g., Security+, CEH, CISSP Associate) are advantageous.
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.

• Designing, implementing, and managing security controls and technologies (e.g., firewalls, IDS/IPS, WAFs, SIEM).
• Conducting vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Developing and enforcing security policies, standards, and procedures.
• Monitoring security alerts and events, and leading the investigation of security incidents.
• Collaborating with engineering teams to ensure secure design and development practices.
• Implementing and managing cloud security solutions (AWS, Azure, GCP).
• Automating security processes and workflows where possible.
• Staying current with emerging security threats, vulnerabilities, and technologies.
• Contributing to the development and maintenance of security documentation.
• Providing technical guidance and expertise on information security matters.

• Design, implement, and manage security infrastructure, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and endpoint security solutions.
• Develop and enforce security policies, standards, and procedures across the organization.
• Conduct regular vulnerability assessments and penetration testing to identify and mitigate risks.
• Respond to security incidents, investigate breaches, and implement remediation plans.
• Monitor security systems and logs for suspicious activities and anomalies.
• Develop and maintain security documentation, including incident response plans and disaster recovery strategies.
• Stay current with the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
• Collaborate with IT teams to ensure security is integrated into all aspects of system design and development.
• Provide security awareness training and guidance to employees.
• Evaluate and recommend new security technologies and solutions.

• Design, implement, and manage security technologies and infrastructure.
• Configure and maintain firewalls, VPNs, intrusion detection/prevention systems, and other security tools.
• Conduct regular security assessments, vulnerability scans, and penetration tests.
• Develop and enforce security policies, standards, and procedures.
• Monitor network and system activity for security threats and anomalies.
• Respond to and investigate security incidents, implementing remediation actions.
• Collaborate with IT teams to ensure secure system configurations and deployments.
• Support cloud security initiatives and implement appropriate controls.
• Stay updated on the latest cybersecurity threats and technologies.
• Provide technical guidance on security best practices to internal teams.

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
• Proven experience as an Information Security Engineer or in a similar security-focused role.
• Strong technical expertise in network security, system administration, and security architectures.
• Hands-on experience with various security tools and technologies (firewalls, SIEM, IDS/IPS, EDR).
• Knowledge of cloud security principles (AWS, Azure, GCP).
• Excellent analytical, troubleshooting, and problem-solving skills.
• Good understanding of cybersecurity frameworks and best practices.
• Strong communication and collaboration abilities.
• Ability to work effectively in a hybrid environment and manage multiple tasks.
• Relevant security certifications (e.g., CompTIA Security+, CEH, CCNA Security) are beneficial.

The Information Security Engineer will be responsible for providing engineering design, analysis, and support for security controls in the enterprise. They will be responsible for the collection, processing, preservation, analysis, and presentation of evidence in support of vulnerability mitigation and information security incident investigations. Engineers will proactively seek out indicators of compromise to track threats and campaigns aimed at our company.

Main Responsibilities:

● Researches, designs, and implements information security solutions for organization systems and products that comply with all applicable security policies and standards

● Analyzes and makes recommendations to improve the security posture of network, system, cloud, and application architectures

● Assists in the review and update of information security policies, architectures, and standards

● Facilitates and performs penetration tests, vulnerability assessments, and responses to audits

● Maintains incident response plans and processes to coordinate efforts among multiple business units during security incident response efforts

● Compiles and analyzes data for management reporting and metrics

● Analyzes potential impact of new threats and communicates risks to relevant business units by monitoring information security related websites to stay up to date on current attacks and trends

● Conducts computer forensic analysis, data recovery, eDiscovery, and other IT investigative work while collaborating with fraud examiners, legal counsel, human resources (HR), and other IT technical personnel in investigations

● Examines network, server, and application logs to determine trends

Requirements

● 2-8 years of relevant experience

● Proficiency with at least one scripting language (e.g.: Perl, Python, PowerShell)

● Self-motivated and possessing of a high sense of urgency and personal integrity

● Instinctive and creative with the highest ethical standards and values

● Excellent investigative skills, problem-solving, insatiable curiosity, and an innate drive to win

● Technical expertise in system security vulnerabilities and remediation techniques, network and web-related protocols (e.g., TCP/IP, UDP, IPSEC, HTTP, etc.)

● Technical expertise in network security knowledge, to include VPN, Firewall, network monitoring, Cloud, intrusion detection, application security, and wireless security

● Deep familiarity with relevant penetration and intrusion techniques, attack vectors, and hacker culture

● An understanding of business needs and commitment to delivering high-quality, prompt, and efficient service to the business

● A team-focused mentality with the proven ability to communicate complex and technical issues to diverse audiences, orally and in writing, in an easily understood, authoritative, and actionable manner

Benefits

• Competitive salary and bonus scheme
• Hybrid working
• Rentokil Initial Reward Scheme
• 23 days holiday, plus 8 bank holidays
• Employee Assistance Programme
• Death in service benefit
• Healthcare
• Free parking

At Rentokil Initial, our customers and colleagues represent diverse backgrounds and experiences. We take pride in being an equal opportunity employer, actively encouraging applications from individuals from all walks of life. Our belief is that everyone irrespective of age, gender, gender identity, gender expression, ethnicity, sexual orientation, disabilities, religion, or beliefs, has the potential to thrive and contribute.

We embrace the differences that make each of our colleagues unique, fostering an inclusive environment where everyone can be their authentic selves and feel a sense of belonging. To ensure that your journey with us is accessible if you have any individual requirements we invite you to communicate any specific needs or preferences you may have during any stage of the recruitment process. Our team is available to support you; feel free to reach out to ( ) if you need anything

Be Yourself in Your Application! At Rentokil Initial, we value innovation, but we want to see the real you! While AI can help with structure and grammar, make sure your application shows your true passion and understanding of the role. A personal touch will help you stand out. 

• Design, implement, and maintain network security infrastructure, including firewalls, VPNs, IDS/IPS, and web application firewalls (WAFs).
• Monitor network traffic for security threats and anomalies, performing in-depth analysis of security alerts and incidents.
• Conduct vulnerability assessments and penetration testing on network systems and applications.
• Develop and enforce network security policies, standards, and procedures.
• Manage and configure security devices and software to ensure optimal performance and effectiveness.
• Respond to and investigate security incidents, providing timely and effective remediation.
• Collaborate with IT operations teams to integrate security best practices into network design and deployment.
• Stay current with emerging network security threats, vulnerabilities, and technologies, and recommend appropriate countermeasures.
• Develop and deliver security awareness training related to network security best practices.
• Assist in ensuring compliance with relevant security standards and regulations.

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field, or equivalent work experience.
• Minimum of 4 years of experience in network security engineering or a similar role.
• Strong understanding of TCP/IP networking, routing protocols, and network architectures.
• Hands-on experience with network security tools and technologies (e.g., Cisco ASA/Firepower, Palo Alto Networks, Fortinet, Snort).
• Experience with intrusion detection/prevention systems, SIEM solutions, and endpoint security.
• Knowledge of security frameworks such as NIST, ISO 27001, and relevant compliance regulations.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong communication and collaboration skills, with the ability to work effectively in a hybrid team environment.
• Relevant security certifications such as CCNA Security, CCNP Security, CompTIA Security+, or CISSP are highly desirable.
• Experience with cloud network security (e.g., AWS, Azure) is a plus.

• Design, deploy, and maintain enterprise-wide security solutions and technologies.
• Implement and manage network security controls, including firewalls, IDS/IPS, and VPNs.
• Develop and enforce security policies, standards, and procedures.
• Conduct regular risk assessments and vulnerability scans across the IT infrastructure.
• Manage endpoint security solutions and provide security awareness training.
• Oversee cloud security configurations and best practices for AWS, Azure, or GCP.
• Lead incident response activities, including investigation, containment, and remediation.
• Participate in security architecture reviews and provide recommendations for improvement.
• Develop and maintain disaster recovery and business continuity plans.
• Collaborate with IT teams to ensure security is integrated into all stages of system development and deployment.

• Bachelor's degree in Computer Science, Information Security, or a related field, or equivalent practical experience.
• 5+ years of experience in information security engineering or a similar role.
• In-depth knowledge of network security principles, protocols, and technologies.
• Experience with cloud security architectures and services (AWS, Azure, GCP).
• Proficiency in vulnerability management tools and penetration testing methodologies.
• Familiarity with security frameworks (e.g., ISO 27001, NIST CSF, SOC 2).
• Strong understanding of SIEM, IDS/IPS, and endpoint protection solutions.
• Excellent analytical, problem-solving, and incident response skills.
• Strong communication and interpersonal skills.
• Relevant certifications such as CISSP, CISM, CCSP are highly desirable.