17 of 17 Network Security Jobs in Bristol

Crypto Network Specialist

Hiring Organisation
MBDA
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Bristol Join our forward-thinking IM Networks team as a Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance/operations and 20-30% network/security … depending on experience Dynamic (hybrid) working : 2-3 days per week on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and/or limitations relating to nationality and/or rights ...

Junior Security Architect

Hiring Organisation
Searchstone Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£45,000
Junior Security Architect Location: Bristol (Hybrid) | Type: Permanent | Salary: up to £49,500 Were recruiting on behalf of a leading global professional services organisation seeking a Junior Security Architect to join their UK CISO function. This role offers the chance to work on major global security initiatives … looking to make their first step in to Architecture. We're looking for candidates with 23 years experience in InfoSec or related fields (e.g., Security Engineering, Security Operations, Application Security) The Role Provide security architecture guidance for internal technology projects. Review solution designs and perform threat ...

Operational Technology Cyber Security Engineer (Defence)

Hiring Organisation
NCC
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Operational Technology Cyber Security Engineer (Defence) NCC Bristol based with hybrid working (3-4 days per week in office) Salary: £45,084 to £63,750 per annum experience dependent plus 12.5% employer pension, private medical insurance and additional benefits package. Government Security Clearance: to the nature … business, all employment is subject to satisfactory references being obtained alongside a level of government security clearance. Closing Date: 4 th January 2026 The NCC is a not-for-profit organisation supporting manufacturing innovation across 16 sectors in the UK.Youll support defence and non-defence related work in this ...

Senior Security Assessor - QSA

Hiring Organisation
ControlCase
Location
Bristol, UK
Employment Type
Full-time
Senior Security Assessor – UK Region ControlCase is seeking a Senior Security Assessor (QSA) based in the UK with strong, up-to-date experience in IT security assessment and auditing. In this role, you will work directly with client organizations and their teams to assess their IT environments … NIS2, DORA, and other relevant EU frameworks or regulations. Your primary responsibilities will include collaborating closely with stakeholders, supporting the consulting engagements, conducting comprehensive security assessments, and ensuring compliance with current industry and regulatory requirements. Fluency in German and/or Spanish preferred. What does ControlCase offer? ControlCase ...

Cyber Security Engineer x 2 – Bristol – New (REF50)

Hiring Organisation
RedRock Resourcing
Location
Greater Bristol Area, United Kingdom
Cyber Security Engineer x 2 – Bristol – New (REF50) £57.5k + Benefits + Hybrid Working (Bristol) A market-leading organisation is recruiting two Cyber Security Engineers to join its security & networking function. This is a consultative and hands-on role focused on designing, implementing, and maintaining security … across hybrid and on-prem environments to keep platforms secure, resilient, and compliant with internal policy and external regulations. The ideal candidate will embed security throughout the delivery lifecycle, working closely with infrastructure engineers, architects, and project/programme managers. You’ll define and enforce secure configuration baselines, conduct ...

Senior/Principal Security Infrastructure Engineer

Hiring Organisation
IO Associates
Location
Bristol, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 90,000 Annual
Senior/Principle Security Infrastructure Engineer Permanent | £70,000 to £90,000 | Bristol (hybrid) Our client is seeking a Senior/Principle Security Infrastructure Engineer to provide technical leadership and hands-on expertise in securing enterprise infrastructure and networks. This role focuses on resilience, compliance, and integrity across … complex multi-technology environment. Key Responsibilities Design, build and maintain secure on-premises and cloud network and system architectures Harden Microsoft Server/Desktop platforms, Active Directory, and Group Policies Deploy and manage MFA solutions (YubiKey, RSA) for enterprise identity and access protection Secure virtualisation platforms (Hyper-V, VMware ...

3rd Line Infrastructure Engineer

Hiring Organisation
IO Associates
Location
Bristol, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 55,000 Annual
role based between the Bristol office and remote working from home. Key Responsibilities Design and deliver secure on-premises and Azure-based infrastructure Implement network security solutions including Firewalls, VPNs and segmentation Harden Microsoft Server/Desktop platforms using Group Policy and security baselines Manage Active Directory … YubiKey/Authenticator) and access controls Deploy endpoint security, EDR, Defender and DLP solutions Perform vulnerability assessments using Tenable and drive remediation Deploy applications using on-premises tools and Intune Skills & Experience Strong experience with on-premises infrastructure and Microsoft technologies Hands-on knowledge of Active Directory, Group Policy ...

3rd Line Infrastructure Engineer

Hiring Organisation
IO Associates
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
role based between the Bristol office and remote working from home. Key Responsibilities Design and deliver secure on-premises and Azure-based infrastructure Implement network security solutions including firewalls, VPNs and segmentation Harden Microsoft Server/Desktop platforms using Group Policy and security baselines Manage Active Directory … YubiKey/Authenticator) and access controls Deploy endpoint security, EDR, Defender and DLP solutions Perform vulnerability assessments using Tenable and drive remediation Deploy applications using on-premises tools and Intune Skills & Experience Strong experience with on-premises infrastructure and Microsoft technologies Hands-on knowledge of Active Directory, Group Policy ...

IT Infrastructure Engineer

Hiring Organisation
Reed
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £63,000 per annum, Inc benefits
infrastructure components from established low-level designs, aligning with architectural standards and project timelines. Collaborate with solution architects, programme and project managers, and cyber security engineers to ensure platforms are built to specification and ready for operational handover. Manage risks associated with installation or decommissioning, communicating with project managers … reduce risks. Plan, estimate, and schedule installation/decommissioning work, minimizing disruption and seeking necessary approvals for changes. Maintain high levels of IT security by implementing security baselines and configuration hardening in collaboration with cyber security engineers. Support test planning, design test scripts & cases, and monitor test ...

Crypto Network Specialist

Hiring Organisation
MBDA
Location
Bristol, UK
Employment Type
Full-time
provide potential candidates with a better understanding of the requirements for this role. Join our forward-thinking IM Networks team as a Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think … crypto governance/operations and 20-30% network/security operations. xxuwjjq You'll help us deliver secure, resilient connectivity across a multi-national environment. Salary: Up to £60,000 dep Please click on the apply button to read the full job description ...

Cyber Security Engineer

Hiring Organisation
Reed Technology
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£57000 - £63000/annum
REED Technology are currently recruiting for a Cyber Security Engineer for an established client in the engineering sector. This is a hybrid role based in North Bristol. The salary is up to £63,000, with a substantial benefits package, including: 12.5% employer pension contribution A generous training budget … looking for a proactive, self-starting individual with strong technical knowledge across on-prem and cloud environments, and ideally experience in areas such as: Network security, IAM, SIEM, and threat detection Compliance frameworks (e.g. NIST, ISO 27001, CIS Controls) Security automation and scripting Producing security artefacts ...

Cyber Security Engineer

Hiring Organisation
Reed
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£57,000 - £63,000 per annum, Inc benefits
REED Technology are currently recruiting for a Cyber Security Engineer for an established client in the engineering sector. This is a hybrid role based in North Bristol. The salary is up to £63,000, with a substantial benefits package, including: 12.5% employer pension contribution A generous training budget … looking for a proactive, self-starting individual with strong technical knowledge across on-prem and cloud environments, and ideally experience in areas such as: Network security, IAM, SIEM, and threat detection Compliance frameworks (e.g. NIST, ISO 27001, CIS Controls) Security automation and scripting Producing security artefacts ...

Cyber Security Engineer

Hiring Organisation
Reed Technology
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
REED Technology are currently recruiting for a Cyber Security Engineer for an established client in the engineering sector. This is a hybrid role based in North Bristol. The salary is up to £63,000, with a substantial benefits package, including: 12.5% employer pension contribution A generous training budget … looking for a proactive, self-starting individual with strong technical knowledge across on-prem and cloud environments, and ideally experience in areas such as: Network security, IAM, SIEM, and threat detection Compliance frameworks (e.g. NIST, ISO 27001, CIS Controls) Security automation and scripting Producing security artefacts ...

Infrastructure Engineer - Defence - SC Cleared DV Clearable

Hiring Organisation
Searchability NS&D
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £62,000 per annum
cloud-based services including IaaS, PaaS, SaaS, virtual machines, storage, networking, and identity. Undertake the planning, estimation, and scheduling of installation and decommissioning work. Security and Compliance Ensure systems are built in line with approved high-level and low-level designs. Ensure that the highest levels of IT security are maintained to protect the integrity of all data. Implement security best practices across Microsoft environments and align infrastructure builds with cyber security standards such as NCSC guidance, CIS benchmarks, or Microsoft Security Baselines. Operations and Support Utilise normal operating facilities, diagnostic tools, technical manuals, test ...

Infrastructure Specialist Engineer – Bristol – New (REF50)

Hiring Organisation
RedRock Resourcing
Location
Greater Bristol Area, United Kingdom
environments, and produce clear build/operational documentation for seamless service transition into BAU. Close collaboration with solutions architects, project/programme managers, cyber security engineers and suppliers is central to the role. Flexibility is important, including occasional out-of-hours work and working from any UK site … projects require. Candidates must be eligible to obtain SC security clearance Duties and responsibilities Build and configure on-prem infrastructure (Windows Server, virtualisation, storage, networking) and deploy/integrate Azure services (IaaS/PaaS/SaaS, VMs, storage, networking, identity). Deliver to approved designs; collaborate with architects ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Bristol, UK
Employment Type
Full-time
Join OCI to design and deliver cloud-scale DDoS protection as part of our edge security platform. You'll design and ship high-performance detection and mitigation systems, automate operations end-to-end, and help define the technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building …/CD, automated testing, canarying, rollout/rollback, and configuration management. IaC expertise (e.g., Terraform) and solid cloud infrastructure fundamentals. Familiarity with DDoS or network security services and related attack/defense patterns. Solid networking knowledge: TCP/IP, IPv4/IPv6, BGP fundamentals; DNS/DHCP understanding. ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Bristol, UK
Employment Type
Full-time
Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. … automated testing, canarying, rollout/rollback, configuration management. Strong IaC experience (e.g., Terraform) and solid cloud infrastructure fundamentals. Domain experience in DDoS or network security services and common attack/defense patterns. Advanced networking knowledge: TCP/IP, IPv4/IPv6, BGP, routing policy; DNS fundamentals. Demonstrated operational ...