Remote Security Engineer Jobs in United Kingdom

Staff Security Architect

Full-time

1 days ago

United Kingdom, Chile, South Africa, Colombia, Spain

Join Kraken Security Labs as a Staff Security Architect to design, review, and verify robust security architectures; conduct security assessments and audits; recommend practical improvements; and provide blockchain and other security expertise. The role is hands-on, cross-functional, and remote, working with engineering teams across the company on infrastructure, application, cryptography, Rust, web3, and AI security topics.

Senior Embedded Architect Manager

Full-time

6 days ago

UK, Cambridge, UK, Bristol, UK, Belfast, UK, Reading, UK, Remote

NVIDIA seeks a Senior Embedded Architect Manager to research, design, and implement hardware and software security solutions for networking products. The role requires 12+ years of experience with IO interfaces (I2C, I3C, SPI, UART, USB, PCIe), low-level firmware and languages (Verilog, Python/Perl, ARM assembly, C/C++), and experience with boot architecture, RISC-V, root-of-trust, and hardware security primitives.

Automation Engineer II, Falcon Complete (Remote)

Full-time

8 days ago

Remote - Ireland, United Kingdom

Responsible for developing and maintaining security automation and AI-powered workflows (SOAR playbooks), writing PowerShell and Python scripts for enrichment and remediation, integrating REST APIs and SIEM queries, validating workflows prior to production, and collaborating across SOC and engineering teams to improve analyst efficiency in an MDR environment. Role targets candidates with 2+ years of automation, scripting, or cybersecurity experience.

Sr. Intelligence Analyst, Recon+ (Remote, GBR)

Full-time

12 days ago

Remote - Germany, Ireland, Romania, Israel, United Kingdom

The role delivers actionable threat intelligence and digital risk monitoring to dedicated customer accounts, including dark web research, threat hunting, briefings, triage/escalation, and cross-team solutioning. Requires 2+ years' specialized experience in cyber threat intelligence, digital risk monitoring, third-party risk management, familiarity with cloud and SaaS security, and customer-facing presentation skills. Occasional travel (up to ~5%) may be required.

Sr. Security Researcher, TAC Cloud (Remote)

Full-time

13 days ago

Remote - United Kingdom, Germany

CrowdStrike Intelligence seeks a senior cloud security researcher to investigate and reconstruct cloud intrusions using cloud provider logs (AWS CloudTrail, Azure Activity Logs), reproduce activity in test environments, perform reverse engineering of malicious tooling, develop signatures and detections (KQL, Amazon Athena, Yara, Snort/Suricata), automate analysis tasks, and produce actionable intelligence reporting. Position is remote for candidates in the United Kingdom or Germany.

Intelligence Intern - Applied Research Cell (Remote)

Full-time

13 days ago

Remote - Germany, United Kingdom

CrowdStrike Applied Research Cell internship: a 12-week part-time remote role for penultimate-year university students to perform open-source cyber threat research, malware family research and triage, reverse engineering, develop tools, and integrate tooling into high-scale malware processing pipelines. Requires programming experience (Python, C or similar) and interest/experience in malware research.

Staff Product Security Engineer

Full-time

14 days ago

Remote - United Kingdom

Individual-contributor Staff role responsible for designing, building, and maintaining secure CI/CD pipelines and implementing software supply chain security controls (SBOMs, Sigstore, SLSA). Requires deep hands-on experience with Kubernetes, cloud platforms (GCP/AWS), container security, and proficiency in Go or Python. Minimum 7+ years experience.

Senior Security Engineer

£76,123 - £100,992 GBP per year

Full-time

23 days ago

United Kingdom

Mattermost is hiring a Senior Security Engineer to design and implement security tooling, harden cloud and IT infrastructure, detect/investigate/remediate incidents, administer IAM and security monitoring, and assess AI-enabled risks. Requires 3+ years in security engineering/incident response, experience with SIEM/EDR/SOAR, cloud security (AWS/GCP/Azure), Linux and Kubernetes/Docker, IAM, and Microsoft 365/Google Workspace management. Role is fully remote and based in the United Kingdom.

Consultant, Readiness Services (Remote, GBR)

Full-time

23 days ago

Remote - United Kingdom

Deliver readiness-focused incident response offerings and tabletop exercises, build strategic customer relationships, advise on CrowdStrike technologies (Falcon), and support incident response preparedness. Role expects ~2–3 years' relevant cybersecurity/incident response consulting experience, strong communication skills, and up to 30% travel.

Channel Security Engineer UK

Full-time

23 days ago

UK - Office - London

The role is a field-facing pre-sales and partner engineering position based in London, acting as the technical advocate for Tenable within the UK partner community. It requires orchestrating PoVs, enabling and mentoring partner engineers, aligning internal GTM resources, and translating Exposure Management capabilities into commercial value; the ideal candidate has 5+ years in pre-sales or partner engineering within a two-tier channel model.

Senior Software Engineer

Full-time

26 days ago

United Kingdom Remote

Join GitHub's Code Scanning organization to build and expand code analysis engines (CodeQL), maintain language support and queries, develop the QL query language and compiler, and work on LLM-integrations and evaluation. Role is remote and lists strong emphasis on static analysis, security, compilers, and machine-learning-for-code expertise.

Sr. Security Researcher II, Persona Ops (Remote)

Full-time

28 days ago

Remote - Germany, Ireland, Romania, United Kingdom

CrowdStrike is hiring a Senior Security Researcher II for its Counter Adversary Operations team to collect, track, and report on Russian/Eastern-European eCrime actors using advanced OSINT and secure operational tradecraft. The role requires extensive experience with social media, hidden services, forums, direct engagement, OPSEC, and producing contextualised intelligence reports; Russian-language capability is required.

Senior Security Engineer - Blue Team

Full-time

36 days ago

Belfast, Northern Ireland, Remote

Olo is hiring a Senior Security Engineer to lead detection and response, conduct vulnerability assessments, operate and optimise security tooling (SIEM, IDS, WAF, vulnerability scanners), participate in on-call incident response, mentor engineers, and drive automation and IaC-aligned security practices. The role requires 5+ years in security engineering/operations and experience with cloud security (AWS), IaC tools (Terraform/Ansible/CloudFormation), and a range of security technologies and controls.

Manager, Red Team Services (Remote, GBR)

Full-time

40 days ago

Remote - Spain, Germany, Ireland, France, United Kingdom

Hands-on technical leadership role managing a Red Team to design, implement and deliver red team and penetration testing engagements, coordinate with senior leadership and sales, develop reporting and mitigation strategies, manage vendors and mentor team members. Requires strong experience with red teaming, assessment toolsets (e.g., Cobalt Strike, Burp), OS/network technologies, scripting/automation and regulatory red team experience.

Platform Professional Services Sr. Consultant (Remote, GBR)

Full-time

40 days ago

Remote - United Kingdom

Join CrowdStrike Services as a Senior Platform Professional Services Consultant focused on AI for detection and response. Responsibilities include deploying and tuning Falcon AI/ML models, building automation playbooks, integrating AI capabilities with customer tooling, scripting with Falcon APIs, supporting incident response and threat hunting, and delivering workshops. Requires a bachelor’s degree (or related), 8 years of IT deployment or end-user/customer environment experience, strong AI/ML and cybersecurity knowledge, multi-OS expertise (Windows/macOS/Linux), scripting/programming (Python, PowerShell, etc.), and up to 25% travel.

Incident Response Sr. Consultant (Remote)

Full-time

43 days ago

Remote - Spain, Ireland, United Kingdom

CrowdStrike is hiring a Senior Incident Response Consultant to join its services team remotely (Spain, Ireland, United Kingdom). Responsibilities include conducting incident response engagements, host and network forensics across Windows, macOS and Linux, threat hunting, malware analysis/reverse engineering, producing client-facing reports, and supporting remediation. Candidates should have experience in incident response, forensic analysis, network analysis tools (e.g., Bro/Zeek, Suricata) and cloud incident response (AWS/Azure/GCP).

Incident Response Consultant (Remote, GBR)

Full-time

43 days ago

Remote - United Kingdom

CrowdStrike seeks technical consultants to perform host and network forensics across Windows, Mac, and Linux, conduct basic malware analysis and threat hunting (experience with Splunk or other big-data platforms preferred), assist in leading incident response engagements, produce written and verbal reports and recommendations, and develop remediation measures. Candidates should have experience in incident response, forensic analysis, reverse engineering, network analysis, scripting (Go, PowerShell, Python, or Perl), strong project management and the ability to travel up to 20%.

Sr. Security Researcher, TAC TBNA (Remote)

Full-time

43 days ago

Remote - United Kingdom, Germany

Conduct deep-dive malware reverse engineering and analysis to discover, investigate and track targeted intrusions and nation-state adversaries. Develop automation and signatures for large-scale hunting and detection, produce actionable intelligence reports, and collaborate with interdisciplinary teams to support mitigation and incident response.

Senior Engineering Manager - Corporate Engineering | US (EST) | Remote

$208,000 - $260,000 USD per year

Full-time

44 days ago

United States (Remote)

Lead a technical Corporate Engineering team responsible for corporate systems (IT operations, helpdesk, device lifecycle), internal tooling and platforms, and the operational/security strategy for internal AI and automation. Role requires strong engineering acumen, experience with cloud and Kubernetes, hands-on knowledge of modern corporate IT tooling (MDM, SSO, EDR/DLP, SaaS), vendor management, and a DevOps mindset. Position is remote and candidates are considered from specified countries/timezones.

Senior Engineering Manager - Corporate Engineering | UK | Remote

£117,000 - £147,000 GBP per year

Full-time

44 days ago

United Kingdom (Remote)

Grafana Labs is hiring a Senior Engineering Manager for Corporate Engineering to run IT operations, helpdesk, device lifecycle, internal tooling, corporate security, and the company’s internal AI enablement and security strategy. The role is remote, technical, and people-focused, requires strong engineering and DevOps mindset, knowledge of cloud and Kubernetes, and experience with modern corporate IT systems and security tooling. UK base compensation range is GBP 117,000–147,000 per year.