1 to 25 of 29 Network Security Jobs in Bristol

Job Summary: We are seeking a highly skilled and experienced Data Center Network Administrator on a contract basis to join our team at data center in Bedminster, NJ. The ideal candidate will have a strong background in managing Cisco Nexus N9K and Cisco 55A1 switches, along with a deep understanding of data center network operations. This role will … be responsible for the administration, configuration, and management of complex network infrastructure, ensuring seamless connectivity, performance, and security across our data center environment. Key Responsibilities: • Network Administration & Management: o Configure, monitor, and manage Cisco Nexus 9000 (N9K) series switches and Cisco 55A1 switches in a high-availability environment. o Administer and support network infrastructure including switches … routers, and firewalls to maintain performance, availability, and security. o Ensure high availability and reliability of the data center network infrastructure by proactively monitoring network performance, troubleshooting issues, and resolving incidents. o Maintain network performance by performing network upgrades, patching, and optimization. • Data Center Network Design & Optimization: o Collaborate with network engineers to design More ❯

Junior/Graduate Cyber Security Consultant x 2/3 - Graduate Scheme - Bristol - New! (REFBJ9) Up to £28,000 + Training & Progression ** 2/3 days per week on site in Bristol ** A leading consultancy in Bristol requires a number of Graduate Cyber Security Consultants to join its growing team. Successful candidates will work in project teams to … design, implement and cyber security solutions. This will involve learning about and working with a variety of technologies as well as developing professional consulting and problem-solving skills. Engagements will involve building insightful analytics from client requirements to enable them to make evidence-based decisions based in real time. Suitable candidates will have: At least a 2.1 in a … Security or STEM related degree ideally from a Russell Group university coupled with strong A Level results Demonstrable technical competence and analytical approach to problem solving Flexible and adaptable, with ability to work well in a team Good communication skills, both written and verbal, and professional approach Eligible for SC clearance Additionally, any experience of working with customers/ More ❯

customers with effective IT Solutions, including both the design and implementation of these new solutions. Carry out enterprise-level planning and technical implementations including, but not limited to, server, network, and security deployments, working alone or as part of a team both remotely and at client sites. Provide technical leadership and troubleshooting guidance to other engineers for high … new technologies. Required Skills and Experience: A strong understanding of enterprise-level IT and networks. Experience working in an MSP environment. In-depth knowledge of enterprise-level desktop, server, network, security, storage, virtualization, Cloud services (Azure, AWS). Architecture and implementation. Ability to plan, organize, and adapt to changing job tasks within own role. Excellent communication, interpersonal, and More ❯

Bristol, England, United Kingdom 2 weeks ago Be among the first 25 applicants Join to apply for the Senior Data Engineer role at Leonardo The Opportunity The Leonardo Cyber & Security Division, one of the three divisions in Leonardo UK, is a pivotal innovator, helping customers deliver and secure their digital transformation. The Cyber & Security Division is at the … of supplying technology and services for both civil and defence markets, in both the UK and around the world, to enhance the capabilities of its Customers. Within the Cyber & Security Division is our Data Practice which is where this role is positioned. Job Description The Leonardo Cyber & Security Division, one of the three divisions in Leonardo UK, is … a pivotal innovator, helping customers deliver and secure their digital transformation. The Cyber & Security Division is at the forefront of supplying technology and services for both civil and defence markets, in both the UK and around the world, to enhance the capabilities of its Customers. Within the Cyber & Security Division is our Data Practice which is where this More ❯

Seeking a Senior Cyber Security Specialist for a permanent role in Bristol. The role will be responsible for critical activities across a broad range of domains. The Senior Cyber Security Specialist will operate across Cyber Operations and GRC, ensuring UK-specific compliance and security resilience. Role: Security Incidents: Oversee incident management and response, including root cause … analysis, impact assessment, and post-incident reviews. Threat Management: Develop and refine threat intelligence, threat hunting capabilities, and prevention/detection measures. Security Technologies: Configure, maintain, and optimise security platforms (SIEM/XDR, EDR, vulnerability management, Secure Email Gateway, Application Allowlisting etc.) Security Controls: Implement and maintain security controls, continuously improving detection, prevention, and remediation. Vendor … Risk & Audit: Conduct vendor risk assessments, support internal and external audits (e.g. Cyber Essentials, ISO27001), and manage remediation actions. Cyber Security Program: Support the execution of the UK Cyber Security Program, contributing to the implementation of key security initiatives and enhancements aligned with UK business and regulatory requirements. Governance, Risk, and Compliance: Support compliance efforts related to More ❯

to build upon them and empowered to do your absolute best. Our CISO function is created by Cyber Defence Centre, Business Resilience, Privacy & Information Management, Strategy & Operating Office and Security Design, Innovation & Enablement. What we look for We are looking for a Security Engineer who will provide security-related technical and functional support for DLG security tooling and services, overseeing the delivery of security services to a high standard, and maintaining the health and effectiveness of controls to ensure we are adequately protected against existing and horizon threats identified by our Threat Intelligence and Operational Security teams. Who you will work with As a Security Engineer you will become a member of … the Security Engineering team within the Cyber Defence Centre, and you will report to the Security Engineering Manager. This is a 12-month Fixed Term Contract opportunity. This is a hybrid role with t wo working days a week from our London or Bristol office. What you will do Maintain the overall security integrity of DLG’s More ❯

I'm looking for a Head of Cyber Security to join a dynamic PE-backed business, and lead enterprise efforts across IT Security, Cyber Security and Information Security. Reporting directly into their CIO, you will lead a team of 4 and will drive the overall security strategy of the business forward - ensuring that security controls … policies and technologies effectively protect the organisation's assets, infrastructure and data. They are using the MS Security Stack including Defender, Sentinel and Entra ID, and are very ahead-of-the-curve in their respective sector. The ideal candidate will have come from a hands-on Engineering background, who loves being technically in the detail. This role will involve … collaborating with the Senior Leadership Team, and providing expert guidance on threat mitigation and security best practices, and ultimately driving the organisation's security programme forward. Whilst they are based in London, they are open to considering candidates across the UK, with travel into London around once or twice a month (expenses-paid). Responsibilities: Implement and manage More ❯

Cyber Security Consultant - MOD Projects | Up to £55,000 + Training Budget Location: Corsham (MoD site) & Bristol (near Temple Meads) Experience: 1-3 years in Cyber Security Clearance: Must be eligible for UK security clearance Are you a motivated Cyber Security professional with 1-3 years of experience? Looking for a role that offers real mentorship … professional growth, and the chance to work on high-impact national defence projects? A leading UK consultancy is hiring a Cyber Security Consultant to join its growing team supporting the UK Ministry of Defence. About the Company This respected consultancy partners with government and defence clients to deliver cutting-edge Cyber Security solutions that protect national infrastructure. With … a strong track record across public sector projects, they offer a supportive, high-performance environment for early-career professionals to thrive. What You'll Be Doing As a Cyber Security Consultant, you'll: Support critical national defence projects by delivering innovative security solutions Work closely with senior consultants who will mentor and guide your development Gain hands-on More ❯

Cyber Security Consultant - MOD Projects Up to £55,000 + Training Budget Location: Corsham (MoD site) & Bristol (near Temple Meads) Experience: 1-3 years in Cyber Security Clearance: Must be eligible for UK security clearance Are you a motivated Cyber Security professional with 1-3 years of experience? Looking for a role that offers real mentorship … professional growth, and the chance to work on high-impact national defence projects? A leading UK consultancy is hiring a Cyber Security Consultant to join its growing team supporting the UK Ministry of Defence. About the Company This respected consultancy partners with government and defence clients to deliver cutting-edge Cyber Security solutions that protect national infrastructure. With … a strong track record across public sector projects, they offer a supportive, high-performance environment for early-career professionals to thrive. What You'll Be Doing As a Cyber Security Consultant, you'll: Support critical national defence projects by delivering innovative security solutions Work closely with senior consultants who will mentor and guide your development Gain hands-on More ❯

Cyber Security Consultant - MOD Projects | Up to £55,000 + Training Budget Location: Corsham (MoD site) & Bristol (near Temple Meads) Experience: 1-3 years in Cyber Security Clearance: Must be eligible for UK security clearance Are you a motivated Cyber Security professional with 1-3 years of experience? Looking for a role that offers real mentorship … professional growth, and the chance to work on high-impact national defence projects? A leading UK consultancy is hiring a Cyber Security Consultant to join its growing team supporting the UK Ministry of Defence. About the Company This respected consultancy partners with government and defence clients to deliver cutting-edge Cyber Security solutions that protect national infrastructure. With … a strong track record across public sector projects, they offer a supportive, high-performance environment for early-career professionals to thrive. What You'll Be Doing As a Cyber Security Consultant, you'll: Support critical national defence projects by delivering innovative security solutions Work closely with senior consultants who will mentor and guide your development Gain hands-on More ❯

among the first 25 applicants Get AI-powered advice on this job and more exclusive features. About The Role Do you want to be at the forefront of cyber security, protecting people, data and systems from the evolving digital threat landscape? Are you looking to apply your technical expertise in a collaborative and forward-thinking environment? About The Role … Do you want to be at the forefront of cyber security, protecting people, data and systems from the evolving digital threat landscape? Are you looking to apply your technical expertise in a collaborative and forward-thinking environment? As a Technical Security Analyst, you'll be part of our Security team who are responsible for keeping our technology … processes and people safe. You'll apply an understanding of cyber security to protect the organisation, systems, information, personal data and people from attacks and unauthorised access. Particular focus will be applied to Security Assessment, analysis, and giving advice on risk mitigations to a broad range of colleagues, internally and externally, including suppliers and customers. As a Technical More ❯

client based in the Bristol/Bath region. They have embarked upon a number of large and complex technology transformation initiatives and are seeking a seasoned, confident and reliable Network Engineer to support their teams. Your new role This position will place you in the heart of the client's digital infrastructure activities. The client is searching for an … experienced network professional with demonstrable experience supporting the planning, installation and management of enterprise-level systems in a highly secure environment. You will - Produce high-and low-level designs to meet challenging networking requirements. Build and configure technical solutions for networked hardware and software. Fault-finding, monitoring and resolution of issue Produce clear and concise technical documentation. Work across … the client's site to document a detailed review of network performance Ensure seamless connectivity of wireless networking infrastructure across on-prem and cloud systems What you'll need to succeed Active DV Clearance Extensive experience in installation and the configuration of networks. Ability to create technical and user documentation with high accuracy Strong understanding of common network More ❯

Social network you want to login/join with: Location: Home-based (UK) with occasional travel to client sites and company offices Reporting to: Lead Cyber Essentials Assessor Job Type: Full-time Salary: Up to £35,000 DOE Job Type: Permanent Key skills: IT/Cyber Security/Linux/Windows/Mac/Firewalls Ascentor, part of … clients understand, implement, and maintain cybersecurity best practices. Reporting to the Lead Cyber Essentials Assessor, you will be instrumental in delivering high-quality services that help organisations improve their security posture. This is a client-facing role where strong communication skills, attention to detail, and a collaborative mindset are essential. Key Responsibilities Deliver Cyber Essentials basic assessments to clients … field Secure configuration knowledge Understanding of cybersecurity standards and frameworks Full UK driving licence Technical Skills Good working knowledge of Windows, Linux, and Mac OS Understanding of operating system security, firewalls, authentication, and secure configuration Ability to work autonomously and as part of a team Strong verbal and written communication skills Problem-solving mindset Ability to manage multiple tasks More ❯

and services. Key Responsibilities: Design, deploy, and maintain scalable cloud solutions (primarily Azure-based). Automate operational processes using infrastructure as code (IaC) and CI/CD pipelines. Enhance security, availability, and performance of cloud services. Develop, configure, and support Azure Networking solutions , including Virtual Networks (VNETs) , Virtual WAN (VWAN) , VPN Gateways , Azure Firewall , and Network Security Groups (NSGs) . Collaborate with developers, architects, and security teams to deliver robust and secure cloud environments. Provide 3rd line support and resolve complex incidents in the cloud space, including networking-related issues. Stay up to date with emerging cloud and networking technologies and best practices. Essential Skills & Experience: Proven experience as a Cloud Engineer or similar role. … expertise with Microsoft Azure cloud services. Practical experience with Azure Networking technologies , including VNETs , VWAN , VPN Gateways , Azure Firewall , and traffic routing solutions. Deep understanding of cloud networking architecture, security principles, DNS, load balancing , and hybrid connectivity . Experience with Terraform, PowerShell , and Azure DevOps . Ability to design and support hybrid cloud/on-premises environments. Proficiency in More ❯

CD pipelines to enable automated build, test, and deployment processes. Deploy, configure, and support Azure Networking components , including Virtual Networks (VNETs) , Virtual WAN (VWAN) , VPN Gateways , Azure Firewall , and Network Security Groups (NSGs) . Collaborate closely with Cloud, Development, and Security teams to deliver robust, scalable, and secure DevOps and cloud solutions. Ensure high availability, performance, and … security of development and production environments. Automate operational processes to improve system reliability and platform efficiency. Support and troubleshoot complex platform, deployment, and cloud networking issues across both cloud and hybrid environments. Drive DevOps best practices and advocate for modern automation, security, and cloud deployment methodologies. Essential Skills & Experience: Proven experience as a DevOps Engineer or similar role More ❯

time training, and will then be assigned to work in a role with one of our trusted client partners as a 'Spartan' consultant. In this role you will undertake: Network Security - Understanding of firewall configuration, intrusion detection/prevention systems (IDS/IPS), and secure network protocols. Penetration Testing & Vulnerability Assessment - Skills in identifying, simulating, and remediating … vulnerabilities through tools (e.g., Nessus, Metasploit) and manual testing. Incident Response & Forensic Analysis - Ability to manage and respond to security breaches, perform digital forensics, and mitigate damage through structured incident response processes. Risk Management & Compliance - Proficiency in identifying potential security risks, conducting risk assessments, and ensuring compliance with legal and regulatory standards. Security Architecture & System Hardening - Experience … and certificate lifecycle management to protect data integrity and confidentiality. Threat Intelligence & Analysis - Ability to gather, analyse, and interpret data from various threat sources to preempt potential cyber attacks. Security Automation & Scripting - Familiarity with scripting languages (such as Python, PowerShell, or Bash) to automate repetitive tasks, analyse security logs, and manage incident response. How it works: Learn : Complete More ❯

time training, and will then be assigned to work in a role with one of our trusted client partners as a 'Spartan' consultant. In this role you will undertake: Network Security - Understanding of firewall configuration, intrusion detection/prevention systems (IDS/IPS), and secure network protocols. Penetration Testing & Vulnerability Assessment - Skills in identifying, simulating, and remediating … vulnerabilities through tools (e.g., Nessus, Metasploit) and manual testing. Incident Response & Forensic Analysis - Ability to manage and respond to security breaches, perform digital forensics, and mitigate damage through structured incident response processes. Risk Management & Compliance - Proficiency in identifying potential security risks, conducting risk assessments, and ensuring compliance with legal and regulatory standards. Security Architecture & System Hardening - Experience … and certificate lifecycle management to protect data integrity and confidentiality. Threat Intelligence & Analysis - Ability to gather, analyse, and interpret data from various threat sources to preempt potential cyber attacks. Security Automation & Scripting - Familiarity with scripting languages (such as Python, PowerShell, or Bash) to automate repetitive tasks, analyse security logs, and manage incident response. How it works: Learn : Complete More ❯

Job Title: Security Architect ( Artefact ) Contract Duration: 6 Months Location: Edinburgh, Leeds, Halifax, Manchester, Birmingham, Bristol (2 days a week onsite) Working Pattern: Full Time Rate: Highly competitive rate available for suitable candidates Are you ready to take on a pivotal role in shaping the security landscape of an esteemed organisation in the Banking and Financial Services industry … We are on the lookout for dynamic Security Architect to join our team for a 6-month contract in 2025! This is a fantastic opportunity to contribute to our Group Security Reference Architecture (GSRA) and ensure our security artefacts meet the highest standards. Required Skills: Systems Design - Designs and review system architectures through the application of patterns … and principles, which support associated security designs. Research & Innovation - Advises on developments to security properties in technology. Provides input in identifying new technologies and design their use in a business context. Security Technology - Explains the effectiveness of current and future security designs and can create supporting guardrails and patterns based upon these technology solutions. Shares information More ❯

Job Title: Security Architect Contract Duration: 6 Months Location: Edinburgh, Leeds, Halifax, Manchester, Birmingham, Bristol (2 days a week onsite) Working Pattern: Full Time Rate: Highly competitive rate available for suitable candidates Are you ready to take on a pivotal role in shaping the security landscape of an esteemed organisation in the Banking and Financial Services industry? We … are on the lookout for dynamic Security Architect to join our team for a 6-month contract in 2025! This is a fantastic opportunity to contribute to our Group Security Reference Architecture (GSRA) and ensure our security artefacts meet the highest standards. Required Skills: Systems Design - Designs and review system architectures through the application of patterns and … principles, which support associated security designs. Research & Innovation - Advises on developments to security properties in technology. Provides input in identifying new technologies and design their use in a business context. Security Technology - Explains the effectiveness of current and future security designs and can create supporting guardrails and patterns based upon these technology solutions. Shares information on More ❯

You will play a pivotal role in designing, implementing, and overseeing advanced cloud infrastructure solutions for mission-critical systems. In this role, you will use your deep knowledge of security architecture on cloud platforms to provide technical leadership and strategic direction in building scalable, secure, and resilient cloud-native systems based on AWS, Kubernetes, Kafka, microservices, Java, and event … cloud-based systems and solutions, utilising AWS and modern architectural patterns such as microservices, event-driven architectures, and serverless computing to meet both current and future business needs. • Cloud Security: Develop and implement robust security architectures for cloud solutions, ensuring data protection, regulatory compliance, and alignment with industry best practices (e.g., AWS IAM, encryption, VPC, security monitoring … with a focus on Java-based backend services. • Technical Leadership: Provide technical leadership and mentorship to architecture and development teams, guiding them through complex technical challenges and architectural decisions. • Security & Compliance: Ensure that cloud architectures are compliant with industry regulations (e.g., GDPR, HIPAA) and company security policies, and implement security controls across the infrastructure. • CI/CD More ❯

Social network you want to login/join with: Embli Solutions is a UK-based IT consultancy focused on advancing business technology services and delivering value-driven results for clients. With an expert team of engineers boasting decades of industry experience, we help businesses unlock the full potential of their technology investments. We believe in crafting unique IT solutions … organization's goals and priorities. Our commitment is to design solutions that meet our clients' specific business needs. Role Description This is a full-time remote role for a Network Security Consultant. The Network Security Consultant will be responsible for assessing and improving network security, implementing cybersecurity measures, managing information security protocols, and … troubleshooting network issues. Additionally, the consultant will be involved in designing and maintaining network architecture to ensure robust and secure network operations. Qualifications/Experience: Must be SC Cleared, or capable of gaining UK SC Clearance - Mandatory. NSX-T- Experience managing the platform on a daily basis, configuring/monitoring etc. SDDC. (Software Defined Datacentre) - Virtualised datacentre More ❯

Social network you want to login/join with: 6-month contract | High-profile racing events | Cloudflare & Security | Client-facing | Fully Remote We’re hiring a Cloudflare Support Engineer to work with one of the biggest names in Formula 1. You’ll be part of a team protecting global race events (like Monaco & Las Vegas) from targeted attacks … not your average support role – you’ll be: Client-facing – engaging with high-profile stakeholders, requiring strong communication Handling monitoring, escalations, and incident response Working closely with Cloudflare’s security & performance services Supporting feeds & tools introduced to prevent breaches during races Acting as a key part of the incident management chain Must-Have Skills Strong communication – this is a … client-heavy, speaking role Understanding of security operations, monitoring, and escalation Experience in incident or breach response Comfortable in a high-pressure, fast-moving environment like F1 #J-18808-Ljbffr More ❯

Delivery Team Security Lead, £65,000 – £90,000, Remote (Some travel expected, Domestic and International) I am partnered with a specialist cyber security consultancy, delivering high-assurance solutions to government, defence, and critical national infrastructure sectors. They provide expert services across security assurance, secure systems delivery, and technical consultancy. With a strong focus on secure communications and … mission-critical environments, they support organisations in achieving the highest standards of cyber resilience and compliance. Key Responsibilities: Act as the primary security lead for projects focused on the NATO JCHAT communications system. Lead on systems integration, configuration, and administration activities. Provide expert support and insight into NATO FAS applications and related technologies. Apply strong knowledge and practical experience … and Openfire XMPP services (highly desirable). Manage and configure Azure virtual machines and virtual environments as required. Possess sound experience in computer networks, including DNS, domains, PKI certificates, network design, and secure architecture. Support and maintain internal company IT systems as part of the Technical and ICT Admin Team. Provide day-to-day technical advice and support to More ❯

Solutions Architect (Defence) Posting Date: 14 Apr 2025 Function: Architecture Solution and Design Unit: Business Location: Assembly, Bristol, United Kingdom Security Clearance This role requires you to pass Developed Vetting clearance. More info: Security Vetting Details Why this job matters As a lead consultant in our Defence Solution Design Authority practice, you will work as a trusted industry … partner to our defence customer, supporting internal business units (Sales, Business, Technology, Security, Operations), key stakeholders, and third-party technology providers. You will report to the practice manager. You will collaborate with internal stakeholders and the customer to conceptualise their strategic vision, capture requirements, and create innovative digital solutions aligned with their digital strategy, transforming their business operations. This … role involves using robust ICT framework architecture, security principles, methodologies, industry best practices, and customer compliance policies. As a solution architect, you will provide expert solution architecture expertise and ownership throughout all stages of the solution design lifecycle. You will be part of a Solution Design Authority team working closely with other architects, designers, technology experts, business managers, and More ❯

both on-site with clients and remotely from home. Location: Hybrid working in Bristol (occasional visits to other sites) with possible 24/7 call out when on rota Security Clearance: Eligible for DV Clearance About the role: Our cross-domain services are used in high-profile government organisations. The demand for these services continues to grow in both … of event-driven integration with MQ messaging (RabbitMQ or similar AMQP solution) Good understanding of relational databases and SQL Linux command line, administration and shell scripting Working knowledge of network security protocols Experience using, developing with and maintaining cloud hosting services (ideally AWS EC2, RDS, S3, Lambda) Industry experience writing well-tested code in one of our platform … Additional Benefits We provide life assurance for your peace of mind and a cycle-to-work scheme to support your health and sustainability goals. Further Information: To meet the security requirements of certain clients and industries we serve, any job offer will be contingent upon the successful completion of a security screening process. At TwinStream, we take pride More ❯