Cyber Security Jobs

• United Kingdom
• Remote
• Mid-level

Hands-on SRE role focused on CrowdStrike's Commercial Cloud, covering operational ownership of availability, latency, throughput, monitoring, incident response and capacity planning across thousands of bare metal servers and VMs. Involves building automation and tooling in C++, Java, Python or Go, working with monitoring stacks like Prometheus, Grafana and ELK, and joining a global on-call rotation.

CrowdStrike · ELK · Prometheus +15

• United Kingdom
• Remote
• Entry level

Monitors and performs in-depth analysis of security alerts on the CrowdStrike platform, handling incidents across Windows, Mac and Linux, including malware analysis and remote remediation. Works in a virtual security operations centre, responding to threats in real time and producing written and verbal findings for customer management.

CrowdStrike · Windows · Mac OS +6

• Birmingham
• Hybrid
• Mid-level
• Permanent

Champion SRE best practices across engineering, platform and service operations teams, implementing SLOs, SLIs and error budgets for critical services. Build observability through monitoring, logging, tracing and alerting, automate operational tasks, and support incident response and resilience testing. Also involves AIOps adoption and embedding reliability into delivery pipelines.

AIOps

• Winchester
• Director · manages people

Lead the Enterprise Architecture function, owning architecture principles, standards, governance and assurance across business applications, SaaS, data, cloud, infrastructure, networks, security, AI and OT. Acts as senior technical authority, chairs the Architecture Review Board, and manages internal architects plus third-party partners.

SaaS · Operational Technology

• Farnborough

Delivers targeted cyber threat and vulnerability intelligence within a 24x7 CSOC, converting adversary, sector and exploit data into defensive priorities for detection, hunting and remediation. Uses MITRE ATT&CK, STIX/TAXII and Microsoft Sentinel/Defender to operationalise intelligence, lead zero-day response and support VA/VM governance across multi-customer MSSP operations.

Microsoft Sentinel · Microsoft Defender · Logic Apps +3

• London
• Hybrid · 2–3 days in office
• £575 pd
• Mid-level
• Contract

Delivery-focused project manager leading end-to-end cyber security initiatives in a regulated financial services environment, covering CyberArk, Certificate Lifecycle Management and penetration testing programmes. Responsibilities span project plans, budgets, RAID logs, governance reporting, vendor coordination and transition-to-support, working with technology, risk and compliance teams.

CyberArk · Microsoft Project · JIRA +1

• Whiteley
• Hybrid
• £61,500 – £78,800 pa
• Senior

Designs, develops and maintains manual and automated test scripts and reporting for a flagship National Security programme, using frameworks such as Katalon Studio, Selenium, SoapUI and JUnit. Analyses requirements and designs to build risk-based test approaches, working within hybrid Waterfall and Agile scrum teams alongside software and systems engineers.

Katalon Studio · Selenium · SoapUI +5

• Germany
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works fully remotely across time zones, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

AWS · GCP · EC2 +4

• Ireland
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design through prototyping, implementation and production operations. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

AWS · GCP · EC2 +5

• Romania
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production operations. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

AWS · GCP · EC2 +3

• United Kingdom
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.

AWS · GCP · EC2 +3

• USA, NY
• Remote
• US$140,000 – US$215,000 pa
• Lead · manages people

Lead a growing team of engineers building self-service infrastructure-as-code primitives, high-availability core services and cloud cost optimization across a multi-cloud environment. The role combines people management, architecture review and roadmap planning, with hands-on work in Terraform, Pulumi, Python or Go, Linux and SRE practices at massive scale.

Chef · Puppet · Salt +7

• Canada - Remote ON
• Remote
• CA$150,000 – CA$200,000 pa
• Lead · manages people

Lead a growing team of engineers building self-service infrastructure-as-code primitives, architecting large-scale core services, and driving cloud cost optimization across a multi-cloud environment. The role blends people management with hands-on technical direction, including design reviews, roadmap planning, and SRE practices such as SLO management and on-call.

Chef · Puppet · Salt +7

• USA, DC
• Remote
• £140,000 – £215,000 pa
• Senior · manages people
• Permanent

Lead a team of engineers building the foundational platform behind CrowdStrike's massive-scale distributed systems, including self-service infrastructure-as-code primitives and multi-cloud services. The role blends people management with hands-on architecture work, driving cloud cost optimization, deployment standards, and SRE practices across AWS and GCP.

Chef · Puppet · Salt +7