IT Infrastructure Security Specialist

Reference: fge6qqsa1gti2jw7h7ij

We are seeking an experienced IT Infrastructure Security Specialist to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining robust security measures to protect our IT infrastructure. You will conduct regular security assessments, penetration testing, and vulnerability analysis to identify potential threats and vulnerabilities. Collaborating with IT teams, you will develop and enforce security policies, ensuring compliance with industry standards and regulations. Your expertise will be crucial in incident response, where you will investigate security breaches and recommend corrective actions to mitigate risks.

The ideal candidate will possess a strong understanding of network security protocols, firewalls, and encryption technologies. You should have experience with security frameworks such as NIST, ISO 27001, or CIS Controls. Familiarity with cloud security solutions and virtualization technologies is a plus. Excellent problem-solving skills, combined with the ability to communicate complex security concepts to non-technical stakeholders, are essential. A bachelor’s degree in Computer Science, Information Technology, or a related field, along with relevant certifications such as CISSP, CISM, or CEH, is required. Join us to safeguard our digital assets and contribute to an innovative and secure IT environment.

COMPETITIVE SALARY
Added 24/07/2026
Reference: fge6qqsa1gti2jw7h7ij

IT Infrastructure Security Specialist

Colchester, England, United Kingdom Permanent IT Security Manager

Other similar jobs

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

Microsoft 365 & Security Infrastructure Administrator

Added 18/09/2026

We are seeking a Microsoft 365 & Security Infrastructure Administrator to manage, secure and continuously improve a modern cloud and hybrid technology environment. This role will be responsible for the administration of Microsoft 365 services, identity platforms, endpoint technologies and core security controls, ensuring systems are reliable, compliant and aligned with business needs. You will work closely with internal stakeholders, technology teams and external partners to deliver effective solutions and provide a high standard of technical support. Key responsibilities include administering Microsoft Entra ID, Microsoft 365, Exchange Online, SharePoint, Teams and OneDrive; managing user accounts, groups, permissions, licensing and conditional...

Learn more

Senior Infrastructure and Cloud Security Engineer (m/f/d)

Added 18/09/2026

We are seeking a Senior Infrastructure and Cloud Security Engineer (m/f/d) to strengthen a dynamic technology environment and help protect critical infrastructure, cloud platforms, applications, and data. In this role, you will design, implement, and continuously improve security controls across hybrid and cloud-based environments. You will work closely with infrastructure, development, operations, and compliance teams to embed security into the full technology lifecycle and support a resilient, scalable, and well-governed platform landscape. Your responsibilities will include developing and maintaining cloud security architectures, identity and access management solutions, network security controls, endpoint protection, vulnerability management, and security monitoring capabilities. You will...

Learn more

Infrastructure Security Engineer

Added 17/09/2026

We are seeking an Infrastructure Security Engineer to strengthen the security, resilience and operational effectiveness of a complex technology environment. In this role, you will design, implement and maintain security controls across cloud, on-premises and hybrid infrastructure. You will work closely with infrastructure, networking, development and operations teams to identify risks, improve defensive capabilities and ensure that systems remain secure, available and compliant with relevant policies and standards. Your responsibilities will include monitoring infrastructure for vulnerabilities and suspicious activity, supporting incident detection and response, and coordinating remediation activities. You will develop and maintain secure configuration standards, hardening guidelines, access controls...

Learn more

IT Security and Infrastructure Analyst

Added 17/09/2026

We are seeking an IT Security and Infrastructure Analyst to support the secure, reliable and efficient operation of a modern technology environment. This role will combine infrastructure administration, cybersecurity monitoring, technical investigation and continuous improvement. You will work closely with colleagues across technology and the wider business to protect systems and data, maintain service availability and help ensure that technology platforms meet operational and regulatory requirements. Key responsibilities will include monitoring security alerts, investigating incidents and vulnerabilities, and supporting the implementation of appropriate remediation activities. You will administer and maintain infrastructure services such as servers, networks, cloud platforms, identity and...

Learn more

Infrastructure Security Engineer

Added 15/09/2026

We are seeking an Infrastructure Security Engineer to design, implement, and maintain secure, resilient infrastructure across cloud, on-premises, and hybrid environments. You will work closely with infrastructure, software engineering, operations, and compliance teams to embed security throughout the technology lifecycle. The role will involve protecting networks, systems, platforms, and services while supporting the delivery of reliable and scalable business solutions. Key responsibilities include developing and maintaining security controls for servers, networks, endpoints, containers, and cloud services; conducting vulnerability assessments, configuration reviews, and risk evaluations; and supporting the remediation of identified weaknesses. You will help define and enforce secure architecture standards,...

Learn more

Infrastructure Security Engineer

Added 15/09/2026

We are seeking an Infrastructure Security Engineer to design, implement and maintain robust security controls across cloud, data centre and enterprise infrastructure environments. The successful candidate will help protect critical systems, networks and services by identifying vulnerabilities, reducing risk and supporting the secure delivery of technology initiatives. This role will work closely with infrastructure, development, operations and compliance teams to embed security throughout the technology lifecycle. Key responsibilities include developing and maintaining security standards, architecture patterns and configuration baselines; monitoring infrastructure for suspicious activity and potential compromise; supporting vulnerability management, patching and remediation programmes; and contributing to incident investigation and...

Learn more

Infrastructure & Security Engineer

Added 14/09/2026

We are seeking an Infrastructure & Security Engineer to design, maintain and secure the technology platforms that support critical business operations. This role combines infrastructure engineering, cloud administration and cybersecurity, with responsibility for ensuring systems are resilient, scalable, compliant and available. You will work closely with technical and business stakeholders to identify risks, improve services and deliver secure solutions across a hybrid environment. Key responsibilities include managing servers, networks, cloud services, virtualisation platforms, identity and access controls, backup solutions and endpoint technologies. You will monitor system performance, investigate incidents, resolve infrastructure and security issues, and contribute to disaster recovery and...

Learn more

GCP Cloud Security & Infrastructure Engineer

Added 11/09/2026

We are seeking a GCP Cloud Security & Infrastructure Engineer to design, implement and maintain secure, resilient cloud platforms. You will work across security engineering, cloud infrastructure and development teams to build scalable solutions on Google Cloud Platform, ensuring that services, applications and data meet robust security, availability and compliance standards. The role involves translating business and technical requirements into practical cloud architectures and contributing to the continuous improvement of cloud governance and operational resilience. Your responsibilities will include designing and managing GCP infrastructure using services such as Compute Engine, GKE, Cloud Storage, Cloud SQL, VPC, IAM, Cloud KMS, Security...

Learn more

Senior Infrastructure, Cloud & Cyber Security Engineer

Added 08/09/2026

We are seeking a Senior Infrastructure, Cloud & Cyber Security Engineer to lead the design, implementation and continual improvement of secure, resilient and scalable technology environments. This role will provide technical leadership across infrastructure, cloud platforms, networking and cyber security, ensuring services remain reliable, compliant and aligned with business objectives. You will work closely with technology and operational teams to develop robust solutions, improve service performance and support the delivery of strategic transformation initiatives. Key responsibilities will include designing and managing hybrid infrastructure across on-premises and cloud environments; administering and optimising cloud services, virtualisation platforms, networks, storage and backup systems;...

Learn more

Security & Infrastructure Operations Centre (SIOC) Engineer

Added 07/09/2026

We are seeking a Security & Infrastructure Operations Centre (SIOC) Engineer to support the secure, resilient and efficient operation of critical technology services. Working within a collaborative operations environment, you will monitor infrastructure and security events, investigate incidents, coordinate responses and help maintain the availability, performance and integrity of systems across on-premises and cloud platforms. This is an operationally focused role requiring sound technical judgement, strong communication skills and a proactive approach to identifying and resolving issues. Key responsibilities include monitoring security and infrastructure alerts, triaging and responding to incidents, performing root-cause analysis, and escalating complex or high-impact issues in...

Learn more

Principal Security Engineer, Product & Infrastructure

Added 04/09/2026

We are seeking a Principal Security Engineer, Product & Infrastructure to define and advance security strategy across products, platforms, and core infrastructure. This is a senior technical leadership role for an experienced security professional who can balance strategic direction with hands-on delivery. You will partner with engineering, product, infrastructure, and operational teams to build secure-by-design systems, strengthen organisational resilience, and ensure security is embedded throughout the software development and service lifecycle. You will lead the identification, assessment, and treatment of security risks across cloud environments, applications, networks, and critical services. Responsibilities include establishing security architecture principles and standards; reviewing designs...

Learn more

Senior / 3rd Line IT Engineer - Infrastructure & Cyber Security

Added 04/09/2026

We are seeking a Senior / 3rd Line IT Engineer specialising in Infrastructure and Cyber Security to join a technically focused team. This is an excellent opportunity for an experienced infrastructure professional to take ownership of complex technical issues, strengthen security controls and contribute to the ongoing development of a resilient, modern IT environment. You will provide advanced support across infrastructure services, acting as an escalation point for 1st and 2nd line teams while delivering a high standard of service to users and stakeholders. Your responsibilities will include diagnosing and resolving complex hardware, software, networking and systems incidents; managing and...

Learn more

Microsoft 365 & Security Infrastructure Administrator

Added 04/09/2026

We are seeking a Microsoft 365 & Security Infrastructure Administrator to manage, maintain and continuously improve a secure, reliable and modern cloud-based technology environment. This role will be responsible for the administration of Microsoft 365 services, identity and access platforms, endpoint technologies and core security controls. You will work closely with internal stakeholders and technical teams to ensure systems are resilient, compliant and aligned with business needs. Key responsibilities will include administering Microsoft Entra ID, Microsoft 365, Exchange Online, SharePoint, Teams, Intune and related cloud services; managing user accounts, groups, licences, permissions and conditional access policies; and supporting device compliance,...

Learn more

IT Infrastructure Security Engineer

Added 03/09/2026

We are seeking an experienced IT Infrastructure Security Engineer to help protect and strengthen enterprise technology environments. In this role, you will design, implement and maintain security controls across on-premises and cloud infrastructure, ensuring systems remain resilient, compliant and aligned with recognised security best practices. You will work closely with infrastructure, networking, development and service management teams to identify risks, improve defensive capabilities and support secure technology delivery. Your responsibilities will include monitoring and responding to security events, investigating vulnerabilities, supporting patch and configuration management, and maintaining secure standards for servers, networks, endpoints, virtualisation platforms and cloud services. You will...

Learn more
Required for two factor authentication
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.