Top Tech Jobs & Startup Jobs in London

Reposted 2 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Mid level
Mid level
Information Technology • Professional Services • Software • Cybersecurity
Build, deploy, secure, monitor, and maintain Python application extensions, CLI tooling, and automations for Threat Intelligence platforms. Integrate backend systems, create tooling to support analysts and engineers, identify automation opportunities, and provide DevOps-focused support for cloud-native environments.
Top Skills: AWSBashCliDockerKubernetesMispOpenctiPythonStix2Taxii2
3 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
Produce actionable threat intelligence across the full lifecycle: track threat actors, analyse malware and C2 infrastructure, map activity to MITRE ATT&CK, develop detections (YARA), support DFIR/SOC, build tooling and automate workflows, and communicate findings to technical and non-technical stakeholders.
Top Skills: DfirDnsMispMitre Att&CkOpenctiPythonReverse Engineering ToolsSandbox DetonationSocStixTaxiiTcp/IpTipYara
Reposted 3 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Mid level
Mid level
Information Technology • Professional Services • Software • Cybersecurity
Monitor systems for threats, analyze security incidents, provide incident remediation, and mentor junior team members in a Security Operations Center.
Top Skills: Digital ForensicsEndpoint DetectionMicrosoft XdrSplunk CloudSplunk EnterpriseSplunk Enterprise Security
3 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Mid level
Mid level
Information Technology • Professional Services • Software • Cybersecurity
Act as the customer's technical owner for security services, quantify security maturity via the TAM Score, build a 12-month technical roadmap, deliver QBRs, provide reactive ticket-based support, drive proactive improvements (tuning, automation), create technical deliverables (playbooks, analytics, workbooks), and advise on defensive security gaps and mitigation services.
Top Skills: DashboardsDlpEasmEdrIncident ResponseItilAzureMicrosoft Azure SentinelMicrosoft Defender XdrPlaybooksSIEMSoarTicketing SystemsVulnerability ManagementWorkbooks
Reposted 8 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
The Senior Python Developer is responsible for designing, developing, and maintaining software systems using Python. This role includes mentoring junior developers, ensuring code quality, and collaborating with cross-functional teams to meet project requirements.
Top Skills: AzureCi/CdPythonRest ApisSQL
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15 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
Design, develop, and implement custom ServiceNow applications; gather requirements from stakeholders; customize and integrate ServiceNow with external systems; perform testing and ensure coding standards; document solutions and provide ongoing support; collaborate with admins and IT teams to deliver scalable ServiceNow solutions.
Top Skills: AngularjsAPIsJavaScriptServicenowServicenow Client ApiServicenow Server ApiSsdlc
Reposted 19 Days AgoSaved
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
Lead a global team to build, maintain and improve detection logic across MXDR technologies (EDR, NDR, SIEM). Set strategy, manage senior detection engineers, collaborate with TI/DFIR/Red Team, ensure high-fidelity detections with low false positives, apply data science to improve detection and SOC efficiency, and provide transparent client coverage reporting.
Top Skills: Carbon BlackData ScienceEdrMicrosoft Defender For EndpointMicrosoft SentinelMxdrNdrPurple TeamingSIEMSocSplunk
2 Days AgoSaved
Remote or Hybrid
GBR
Junior
Junior
Information Technology • Professional Services • Software • Cybersecurity
Monitor, detect, investigate, and respond to security events using Splunk Enterprise Security. Triage incidents, perform log analysis and event correlation, assist threat hunting and vulnerability remediation, escalate significant incidents, and maintain incident documentation and SOC playbooks.
Top Skills: Endpoint SecurityNetwork SecuritySecurity Monitoring ToolsSIEMSplunkSplunk Enterprise Security
2 Days AgoSaved
Remote or Hybrid
GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
Lead governance for cyber security projects across IT/OT, ensuring project governance, budget control, risk management, stakeholder engagement, and delivery of security capabilities to meet regulatory and business objectives.
Top Skills: Cloud SecurityIdentity And Access Management (Iam)Iec 62443JIRANcsc CafNis RegulationsRiioSecurity Operations (Secops)Vulnerability Management
3 Days AgoSaved
Remote
GBR
Senior level
Senior level
Information Technology • Professional Services • Software • Cybersecurity
Hands-on senior OT cybersecurity engineer/consultant delivering OT network/security architecture, low-level designs, firewall and segmentation specifications, client technical workshops, vendor evaluations, and project deliverables while mentoring junior staff and contributing to practice standards.
Top Skills: CisDcsDnp3Firewall DesignHmiIec 62443Iec61850It/Ot Boundary DesignModbus/TcpNetwork SegmentationNist 800-53Nist Sp 800-82PlcRtuScadaSoftware-Defined SegmentationStigSwitch ConfigurationVirtualizationZero-Trust
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