Cyber Security Jobs

• United States
• Remote
• US$120,000 – US$185,000 pa
• Mid-level

Builds and operates core systems for the Falcon Complete team, developing features that help security analysts triage and remediate threats at scale. Work spans Golang, microservices, Kafka, Kubernetes and cloud observability, with on-call rotation and heavy asynchronous remote collaboration.

AWS · Azure · GCP +7

• United States
• Remote
• US$140,000 – US$220,000 pa
• Senior

Builds and operates core systems for the Falcon Complete team, designing reliable, scalable services that help security analysts triage and remediate threats at scale. Works in Golang, Python, JavaScript, C++, or Java across microservices, data pipelines, Kafka/Kinesis, Docker and Kubernetes, with on-call rotations. Distributed, asynchronous team spanning the US and UK.

AWS · Azure · GCP +6

• Newbury
• Remote
• £450 – £500 pd
• Senior
• Contract

Security architecture and independent assurance role on a large-scale telecoms programme, focused on Privileged Access Management and securing administrative access to critical Network Management Systems. You will review network and security designs, assure HLDs, LLDs, PoCs and test strategies, and advise on segmentation, least privilege and secure management access. Requires strong IP networking (MPLS, VPNs, VRFs) plus AAA, TACACS+, MFA and RBAC expertise.

PAM · TACACS+ · MPLS +2

• Bristol
• £45,641 – £59,390 pa
• Mid-level
• Contract

Carry out innovative research and teaching in cyber security, focusing on software or systems security, across undergraduate, postgraduate and CDT programmes. Contribute to the Bristol Cyber Security Group's research activities and act as an active member of the group, School and Faculty. Fixed-term post until 31/01/2028 or the substantive postholder's return.

• Polegate
• Hybrid · 1 day in office
• £70,000 – £80,000 pa
• Mid-level

Designs and implements cloud-native security solutions on Microsoft Azure, applying Security as Code and automation tooling. Works with Security Architects to define cloud security strategy, establish guardrails for developers, and ensure compliance with GDPR, ISO 27001 and NIST. Involves AKS, DevSecOps, Defender, SIEM and scripting with BICEP, ARM, PowerShell and Python in an agile, hybrid team.

Azure Kubernetes Service · Microsoft Defender · SIEM +8

• London
• Hybrid · 2 days in office
• £75,000 – £125,000 pa
• Director

A senior, hands-on individual-contributor role setting information security direction for an international organisation, reporting to the Global Head of Technology. You will define standards and proportionate controls, challenge network, infrastructure and cloud configurations, and provide oversight of vulnerability management, monitoring and incident response, with no security team to manage.

Microsoft 365 · Azure · NIST CSF +3

• Bristol
• Hybrid · 2–3 days in office
• Senior
• Permanent

Acts as a trusted advisor to clients across sectors, delivering governance, risk and compliance guidance spanning secure architecture, IDAM, PAM and DLP, and frameworks such as ISO 27001, NIST CSF and NIS2. Produces risk assessments, gap analyses and remediation roadmaps, while supporting bids, content creation and marketing events. Requires UK Government Security Clearance and works hybrid from the Bristol office 2-3 days a week.

IDAM · PAM · DLP +5

• Thame
• Remote
• £600 – £850 pd
• Senior
• Contract · Part time

Part-time consultant guiding a client's migration from traditional data centres to AWS, acting as an escalation point and mentor for a small team of engineers. Works closely with the CISO on security reviews and strategy, applying SIEM, EDR and vulnerability management skills. Mostly remote with occasional in-person catch-ups.

AWS · SentinelOne · Microsoft Security +1

• Lutterworth
• Hybrid · 2 days in office
• £55,000 – £60,000 pa
• Mid-level

Designs, implements and maintains automated build, test and deployment pipelines while administering Azure and on-premises application systems. Builds monitoring across DevOps and application software and embeds security best practices and compliance into infrastructure and deployment processes, working two days a week on site in a cyber security team.

Azure

• London
• On-site
• £70,000 – £75,000 pa
• Director · manages people

Lead the information security strategy for a London-based organisation, supported by a Cyber Security Analyst. Own the ISMS aligned to ISO27001, oversee risk assessments, incident response, supplier and auditor relationships, awareness training, disaster recovery testing and internal audits, working closely with senior stakeholders.

• London
• Hybrid · 2–3 days in office
• £100,000 – £110,000 pa
• Director · manages people

Leads a five-person information security and governance function within a government body's compliance team, owning the information management system and its audit cycle. Ensures compliance with ISO 27001, Cyber Essentials (Plus), NIST and GovAssure, covering control documentation, third-party risk and security awareness. Hybrid role with two to three days a week in the South London office.

ISO 27001 · Cyber Essentials · Cyber Essentials Plus +2

• Liverpool
• £35,000 – £45,000 pa
• Mid-level

Hands-on infrastructure role focused on migrating on-premises systems to a cloud-first Microsoft Azure environment, including Azure Virtual Desktop. You'll manage Azure, Microsoft 365 and Entra ID, provide 3rd line support across networking, cloud and security, and lead technical projects and vulnerability remediation.

Microsoft Azure · Microsoft 365 · Entra ID +7

• London
• Hybrid · 2 days in office
• Senior

Design, build and operate distributed systems behind Cloudflare's Application Security products (WAF, Page Shield, API Shield) at internet scale, using Go or Rust and devops tooling like Kubernetes and Kafka. The role includes reviewing RFCs and code, on-call shifts, and mentoring other engineers.

Kubernetes · Salt · Kafka +7

• Royston
• Hybrid
• £55,000 – £65,000 pa
• Mid-level

Join a small, highly skilled team building advanced cyber security products, including hardware-enforced data diodes for secure cross-network data transfer. Day to day you'll work in modern C++ and STL, Python automation, Linux application and embedded development, real-time networking and secure data transfer, with a strong emphasis on clean code, TDD and pair programming.

Linux · RTOS

• London
• Hybrid
• £80,000 – £90,000 pa
• Senior
• Permanent

Hands-on application security role embedding security across the SDLC, working with engineering, architecture and cloud teams. Involves application security testing (SAST, DAST, IAST, SCA), securing CI/CD pipelines and GitHub Actions, API and Kubernetes/AKS security, plus security-as-code and automation using Terraform and Python. Requires Azure and KQL expertise within a health research charity.

Microsoft Azure · KQL · GitHub +7