167 jobs for “Software Engineer In Test”
Leads the design and delivery of complex features in a cryptographic security product, working hands-on across embedded software, platform components, client tools and APIs. Sets technical direction, mentors engineers and supports system-level architecture decisions on availability, latency and data models. Hybrid role in Cambridge, three days onsite.
C · Python
Customer-facing role leading enterprise onboarding and implementation of identity and security solutions, guiding customer engineering teams through design, integration, testing and go-live. Involves hands-on troubleshooting of REST APIs, mobile and web SDKs, log and API traffic analysis, and advising on performance, scalability and security. Requires independently managing multiple concurrent engagements and mentoring junior team members.
REST APIs · Android Studio · Xcode +7
Darktrace · 2001–5000 people · Late stage
Owns prototyping and development of new ideas to improve Darktrace's cybersecurity services, balancing creativity with time constraints. Collaborates with a cross-functional team of engineers, designers and technical strategists on rapid prototyping and structured platform development, advancing methods for defending against unknown cyber-attacks. Requires production-quality Python coding, with Docker and containerisation experience and an interest in malware forensics.
Docker
CrowdStrike · 1001–5000 people · Public
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
Darktrace · 2001–5000 people · Late stage
Deploy, integrate and optimise AI-driven cybersecurity across network, cloud, OT and email environments for post-sales customers. Handle deployment projects to SLOs, resolve support tickets and act as a trusted advisor on security infrastructure design, liaising with sales, customer success and operations.
AWS · Microsoft · Cisco +2
CrowdStrike · 1001–5000 people · Public
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
Amazon · Public
Lead the design of physical security elements such as cameras, access control, intrusion detection, fences and gates for data centre projects, producing construction drawings and specifications in Revit and CAD. Coordinate security requirements across architectural, mechanical, electrical, civil and IT disciplines, and act as subject matter expert reviewing third-party and in-house design deliverables. Manage multiple fast-paced projects with travel up to 25%.
Bluebeam · Revit · AutoCAD +1
Amazon · Public
Builds and manages services that detect and automate mitigation of cybersecurity threats across Amazon's infrastructure, working with data scientists and software engineers. The role also supports UK customer security programs covering personnel security, accreditations, assurance and training, with visibility to government agencies and senior leadership.
AWS
Palo Alto Networks
Provide advanced technical support for Cortex XSIAM customers, triaging issues via ticketing, phone and remote sessions, and performing application- and OS-level troubleshooting. Work with developers to reproduce faults and implement permanent fixes, and with technical account managers to mitigate risks in customer environments.
Cortex XSIAM · Kubernetes · GCP +10
Hays Technology
Security Architect role shaping security across a cloud-native environment, working closely with Architecture, Engineering, Product and Operations teams. Focus areas include GCP security, Kubernetes, DevSecOps, application and API security, identity, resilience and compliance (PCI DSS, GDPR, ISO 27001, SOC 2). Strong commercial GCP and Kubernetes experience is essential.
GCP · Kubernetes · API Gateways +4
REVYBE IT RECRUITMENT LIMITED
Lead a team of three platform engineers while spending roughly half your time hands-on, owning the reliability, security and scalability of an Azure-based cloud platform. You'll set the platform roadmap, champion Terraform and Kubernetes/Azure Container Apps, and improve CI/CD with Azure DevOps and GitHub Actions. Fully remote in the UK with one day per month in London.
Azure · Terraform · Kubernetes +3
Cloudflare
Lead the Threat Application Services team within Cloudforce One, owning the Threat Events platform, external Threat Intel APIs, and backend systems that feed IOCs into WAF and Gateway for automated mitigation. Set architectural direction and operational excellence for distributed, high-latency-sensitive services, while hiring and mentoring engineers building agentic threat intelligence tools.
Cloudflare Workers · SQLite · D1 +4
TTP
Consultants assess critical systems for vulnerabilities, building proof-of-concept demonstrators that combine software, hardware and user interaction. The role spans reverse engineering, low-level programming and rapid prototyping for UK defence and national security clients, working on-site alongside around 40 scientists and engineers.
Risk Ledger
Hands-on owner of governance, risk and compliance, maintaining the ISO 27001 ISMS, leading external audits and taking SOC 2 from Type 1 to Type 2. Owns the enterprise risk framework and risk register, manages compliance tooling and supports customer security questionnaires, working across engineering, sales and leadership.
Risk Ledger
Cloudflare
Lead research, design and evaluation of detection models identifying automated, fraudulent and malicious activity across Internet-scale traffic. Own the detection measurement framework for noisy or delayed ground truth, mentor others, and drive cross-functional detection strategy with ML, data and product teams.
Python · SQL
