20 of 20 Permanent Security Hardening Jobs in London

Infrastructure Security Design

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 60 K
What you'll be doing:Senior Associate Consultant - Infrastructure Security Design Working under direct supervision, you will apply your developing expertise in network security, infrastructure technologies, and security controls to support the design, implementation, and maintenance of secure infrastructure solutions. You will contribute to infrastructure security projects, perform security configurations, and develop your skills across network security technologies while receiving regular guidance from senior team members.KEY RESPONSIBILITIESInfrastructure Security Implementation Support Assist in implementing network security controls including firewalls, IPS/IDS, and proxies under supervisionConfigure basic network security policies ...

Cyber Security & Centralised Services Manager

Hiring Organisation
MFK Recruitment
Location
London, United Kingdom
Salary
£ 60 K
Cyber Security & Centralised Services ManagerLocation: London BridgeCompany: Managed Service Provider (MSP)This role will be office-based for the first 3–6 months, with the option to move to a hybrid working arrangement thereafter.Our client is a well-established MSP based in London Bridge. They are a close-knit … support to a diverse range of clients, with a strong emphasis on cybersecurity, resilience and regulatory compliance.The Opportunity:We are seeking an experienced Cyber Security & Centralised Services Managerwith a strong cybersecurity focus to join our growing technical team. In this pivotal role, you will:Act as the primary escalation ...

Security Engineer – Cloud Migration to AWS

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you.Job DescriptionWe are seeking a hands-on Security Engineer to embed within a large-scale cloud migration programme, moving workloads into AWS. You will be responsible for designing, automating, and enforcing security … lifecycle — ensuring that every workload lands in AWS with a secure, compliant, and auditable posture. This is a technical, build-focused role combining cloud security architecture, infrastructure-as-code, and Python automation. Key Responsibilities Define and implement the security controls, guardrails, and landing zone baseline for workloads migrating ...

Networking & Security Engineer

Hiring Organisation
Capula Investment Management
Location
London, United Kingdom
Salary
£ 100 K
DescriptionWe are seeking a hands-on Infrastructure & Security Engineer with deep expertise across security architecture, server, and network domains. Security is the core priority of this role. The successful candidate will take a leading part in strengthening and evolving the firm's security posture in response … increasingly sophisticated threat landscape, including emerging risks associated with AI.This is a technically demanding role that combines proactive security ownership with infrastructure delivery. The successful candidate will act as a security-first thinker across everything they touch, from day-to-day operations through to strategic infrastructure design ...

Infrastructure Lead – FinTech, Azure, Security

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 120 K
Infrastructure Lead – FinTech, Azure, Security Up to 80,000 + bonus and benefits Hybrid 2:3 in office Quant Capital is looking to speak to candidates to join a growing FinTech business based in South West London. Our is hiring an Infrastructure Engineer to take ownership of core infrastructure … security engineering across a modern Microsoft/Azure environment. This role suits someone who understands scale, cares about uptime, and thinks security-first. Real responsibility from day one. You’ll deliver projects across infrastructure, automation, and cloud security, while acting as a technical escalation point for internal ...

NETWORK - Switching, Routing, WAP, LB, GSLB

Hiring Organisation
Zensar Technologies
Location
London, United Kingdom
Salary
£ 100 K
looking for an experienced Network Security & Infrastructure Architect to lead enterprise network transformation, security hardening, and infrastructure modernization initiatives. The successful candidate will be responsible for assessing, designing, and implementing secure, scalable, and resilient network solutions across enterprise, data center, hosted, and edge environments.At Zensar … sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.Technical Skills & Experience:Strong experience in enterprise networking, network security, and infrastructure architecture.Hands-on expertise with Cisco networking technologies, including routing, switching, and Software Defined Access (SDA).Proven experience with firewall platforms, including Check Point ...

Lead DevOps Engineer, Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
£ 80 K
inspire cross-functional teams.Role OverviewWe are seeking a highly skilled DevOps Engineer to own, manage, automate and continuously improve the infrastructure deployment process, security, reliability, and operational excellence of our digital platform.The ideal candidate will be responsible for end-to-end DevOps operations, including cloud infrastructure management, CI/… automation, application deployments, monitoring, security hardening, disaster recovery, performance optimization, and platform reliability. This role requires close collaboration with development, architecture, security, content management, and business teams to ensure a highly available, secure, and scalable platform.Key ResponsibilitiesOwn the operational health, availability, performance, and security ...

Staff Engineer

Hiring Organisation
Flagstone
Location
London, United Kingdom
Salary
£ 80 K
front-end applications.Resilience & Performance: Design solution-wide UI resilience (graceful degradation, back-pressure, retry strategies) and own performance standards across web and mobile.Quality, Security & Compliance: Own threat modelling and security hardening for tribe front-end products; maintain high standards through code review, secure coding practices, and risk … downtime deployments, observability, performance budgets).Experience with Azure development and cloud-based infrastructure, including CI/CD and pipeline observability.Experience owning threat modelling and security hardening for front-end products; strong grasp of OWASP and secure coding practices.Track record of originating and shepherding cross-team initiatives or RFCs ...

Security Specialist SA, EMEA Security and Compliance Specialist SA

Hiring Organisation
AmazonWebServices
Location
London, United Kingdom
Salary
£ 80 K
Security and Compliance Solutions Architect at AWS, you’ll build technical relationships with customers of all sizes and operate as their trusted advisor, ensuring they get the most out of the cloud at every stage of their journey.You’ll manage the overall technical security relationship between … customers, making recommendations on security, compliance, cost, performance, reliability, and operational efficiency to accelerate their challenging projects.Internally, you will be the voice of the customer, sharing their needs and wants to inform the roadmap of AWS security services and features.In this role, your creativity will build effective design ...

Service Delivery Analyst

Hiring Organisation
Toro Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 per annum
Google Workspace Administer Microsoft 365 environments, including: Exchange Online Entra ID (Azure AD) SharePoint Teams Licensing Administer Google Workspace environments including: User provisioning Security settings Groups Device management Support email migrations, mailbox investigations and account administration. Assist with security hardening and best practice implementation. Endpoint & Security … Windows and MacOS endpoints Basic macOS troubleshooting (safe mode, disk space, software updates, FileVault) Support the management of Sophos MDR/XDR Investigate endpoint security alerts. Assist with vulnerability remediation and patch management. Support endpoint compliance and security best practice. Assist with customer cyber security improvements. Infrastructure ...

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

Hiring Organisation
Cohere
Location
London, United Kingdom
Salary
£ 70 K
Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work … bridge between our cutting-edge AI capabilities and the specific needs of UK Government and defence organisations. You'll navigate complex procurement processes, stringent security requirements, data sovereignty concerns, and regulatory compliance while ensuring our customers successfully deploy and scale our AI solutions.In this role, you'll collaborate with ...

Vice President, Head of Messaging & Collaboration

Hiring Organisation
MUFG
Location
London, United Kingdom
Salary
£ 120 K
core infrastructure and end-user technology function.DES is responsible for delivering secure, resilient and scalable technology capabilities across the enterprise, including Infrastructure, Cloud, Network, Security Operations, Service Management and Digital Workplace services. Within DES, the Client Services function is responsible for delivering modern workplace technologies that enable secure communication … over 6,000 users across more than 15 EMEA locations. The team is responsible for enterprise messaging, Microsoft 365 collaboration services, Teams Telephony, email security, compliance and collaboration technologies that underpin the organisation’s digital workplace.The Head of Messaging & Collaboration plays a critical leadership role in defining the future ...

Endpoint Engineer

Hiring Organisation
Fitch Ratings
Location
London, United Kingdom
Salary
£ 80 K
initiatives.Developer Tooling & AI Workload EnablementConfigure, package, and support core developer tooling across the fleet (VS Code, Python, Git, CLI utilities), balancing developer flexibility with security and compliance standards.Define and support endpoint requirements for AI/ML workloads, including GPU driver management, containerization/WSL2, and local model runtime resource … priority escalations.Documentation & Cross-Functional CollaborationCreate and maintain technical documentation, runbooks, and cross-team knowledge resources.Engage in cross-functional project work spanning cloud identity, automation, security hardening, and software lifecycle management.Act as an owner by proactively driving issues to resolution across business You May be a Good ...

Cassandra Database Engineer - NoSQL

Hiring Organisation
Adecco
Location
London, United Kingdom
Salary
£ 80 K
tools such as Prometheus/Grafana, OpsCenter, or equivalent.Support CQL query development and advice application teams on best-practice access patterns.Collaborate with infrastructure and security teams on hardening, encryption (at rest/in transit) and authentication/authorisation (RBAC)Produce technical documentation including data models, runbooks, and operational … capacity planning, and multi deployments.Strong Linux administration and scripting skills (Bash/Python).Experience working in regulated or financial services environments with awareness of security hardening, encryption (at rest/in transit) and RBAC.Exposure to the Actimize platform, messaging middleware (IBM MQ/IIB, Kafka). Or Oracle ...

IT Infrastructure Solutions Architect

Hiring Organisation
Aveva Group
Location
London, United Kingdom
Salary
£ 80 K
readiness patterns.Define hybrid cloud architecture and operating model across Azure and AWS (connectivity, identity/access concepts, monitoring/logging, backup/security baselines).VDI/RDS architecture and standards: define operationally supportable architectures and standards for Omnissa Horizon, Workspace ONE, and Microsoft RDS (availability, scalability, security controls … enterprise image/template strategy, including repeatable build pipelines with Packer, template/content distribution using VMware Content Library, validation gates, versioning, rollback, and security hardening baselines.Lead solution design and implementation for major infrastructure programmes, migrations, and technology refresh initiatives, ensuring designs are scalable, secure, cost-effective ...

Systems Engineer - Sell Side Solutions

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 80 K
data centers, including break/fix work, physical installs, cable tracing, hardware swaps, optics replacement, console access, power cycling, and vendor coordination.• Ensure the security of trading infrastructure. Remain current on information security best practices and recommend, implement, and maintain security tools, policies, standards, and procedures.• Configure … Windows and Linux administration, troubleshooting, and performance tuning skills.• Strong experience administering production servers, including hardware, operating systems, services, storage, networking, monitoring, patching, and security hardening.• Exceptional problem-solving skills across hardware, networking, operating systems, and automation platforms.• Experience managing asset inventory, spares, RMAs, lifecycle tracking, hardware refreshes ...

Business Development, Mission Innovation, Public Sector (UK, Germany and International Organisations)

Hiring Organisation
AmazonWebServices
Location
London, United Kingdom
Salary
£ 70 K
shown early, and refined through customer feedback, producing a growing set of proof points. Adoption narratives span all levels of sensitivity, adding service accreditation, hardening, and additional assurance requirements when needed.Customers should experience AWS as a quiet enabler that has placed capacity, compute, silicon, infrastructure, and power … points.- Develop evidence-based adoption narratives, taking them from the commercial world and translating them for public sector at every level of sensitivity, adding security hardening as required.- Map the decision makers who hold influence within key accounts, alongside understanding the formal and informal power structures that surround ...

Founding DevOps Engineer

Hiring Organisation
LinuxRecruit
Location
London, United Kingdom
Salary
£ 120 K
Establish and scale the infrastructure that powers cutting-edge AI innovation. You’ll take charge of both cloud and on-prem environments, implement automation, security frameworks, and device management, and collaborate with top-tier hardware and software engineers to push boundaries. It’s a role for someone who thrives … autonomy, problem-solving, and making high-impact decisions. If Kubernetes, Terraform, security hardening, and automation are your bread and butter—and you’re ready to be the go-to DevOps expert in a fast-growing company—this is your moment. No bureaucracy, no micromanagement, just the chance ...

First DevOps Engineer

Hiring Organisation
LinuxRecruit
Location
London, United Kingdom
Salary
£ 120 K
stepping into an existing playbook, you’ll be writing it. Managing both cloud and on-prem infrastructure? That’s you. Setting up automation, security policies, and centralised device management? Also you. Collaborating with some of the brightest hardware and software engineers to shape the future of AI acceleration? Absolutely … journey they are looking for you to not just come along, but for you to bring the heat. If you know Kubernetes, Terraform, security hardening, and automation inside out and want to be the sole DevOps trailblazer, apply today. ...

IT Systems & Network Administrator

Hiring Organisation
Parkside
Location
Heston, Heston West, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
hands-on IT Systems & Network Administrator to join their IT team. This is a key role responsible for the day-to-day operation, maintenance, security and troubleshooting of the organisation’s IT infrastructure. The successful candidate will have strong practical experience across network administration, firewall management and virtualisation , with … vSphere . Proven, demonstrable experience in a similar IT systems/network administration role is essential. The Role You will be responsible for: Network Security & Firewall Management Configure, manage and maintain SonicWall firewalls , including security policies, access rules, NAT, VPN and content filtering. Monitor firewall logs and network ...