Top Tech Jobs & Startup Jobs in London

Lead software security lifecycle improvements by deploying and tuning vulnerability detection tools, triaging findings, prioritizing security risks, and standardizing security processes. Partner with development, release, and Cisco security teams to remediate vulnerabilities, measure security posture, and promote best practices. Automate security workflows using Go, Python, Bash, or Terraform, with opportunities to apply LLMs, fuzzing, DAST, Kubernetes, and cloud security expertise.

Lead the architecture and development of an AI-powered Production Intelligence platform combining SRE, observability, agentic AI, and automated remediation. Build AI agents, MCP integrations, telemetry pipelines, anomaly detection, evaluation frameworks, and safe human-in-the-loop workflows. Define reliability practices including SLIs, SLOs, error budgets, incident response, and post-incident reviews. Mentor engineers, establish technical standards, and coordinate delivery across global application and infrastructure teams.

Partner with UK&I sales leaders to improve productivity through sales enablement programs. Facilitate training, coaching, onboarding, and leadership development; analyze sales indicators; contribute to sales process and product content; coordinate global and regional teams; manage stakeholder relationships; and introduce methodologies, third-party support, and technologies to drive repeatable results.

Lead design and development of Linux kernel functionality for BPF, networking, and security, integrating features into Cilium and Tetragon. Collaborate with engineering, product, customers, and the upstream Linux kernel community to shape technical direction, maintain code quality, and deliver scalable cloud-native solutions. The role may also involve presenting work at technical conferences and contributing to engineering best practices.

Lead the evolution and delivery of large-scale distributed systems for Cisco ThousandEyes. Partner with product and engineering leaders, develop integrations with Cisco wireless and security portfolios, apply AI to issue diagnosis and network remediation, mentor engineers, improve developer productivity, and help build and operate complex Internet-scale systems.

Designs and implements complex Cisco data centre and networking solutions for enterprise customers. Responsibilities include deploying Nexus, VXLAN, and ACI environments; integrating security and network service appliances; analyzing performance; resolving complex technical issues; automating deployments with AI and infrastructure-as-code practices; developing reusable delivery frameworks; and influencing product roadmaps. The role is customer-facing and requires deep networking expertise, consulting or service delivery experience, and professional-level certifications.

Provides senior-level enterprise network support for UK sovereign customers. Manages high-severity incidents, troubleshoots Cisco and multi-vendor environments, recreates issues in labs, coordinates with Cisco TAC, sanitizes sensitive customer data, and produces incident reports and root-cause analyses. Uses AI-assisted tools, LLMs, automation, and analytics to improve triage and log handling. Reviews security advisories, supports customer service reviews, drives continual service improvement, and mentors engineers.

Lead customer-facing technical engagements for Cisco’s UKI media and service provider business. Apply broadcast and media expertise to design IP-based architectures, conduct discovery workshops and proofs of concept, and advise on networking, cloud, automation, AI, and resilient live-production environments. Collaborate with account executives, Cisco engineering, partners, and standards organizations while developing long-term customer relationships and representing Cisco at major industry events.

Design, operate, and scale highly available distributed systems for telemetry ingestion. Automate reliability, participate in on-call incident management, evaluate resilience and DR, collaborate with app teams, and use AI tooling to reduce toil.

Leads complex enterprise technology adoption and customer success programs for Cisco solutions. Creates and executes technical adoption plans, facilitates executive workshops and business reviews, supports onboarding, renewals, and expansion, and advises senior customer stakeholders. Uses AI analytics, telemetry, and networking and security expertise to identify adoption barriers, guide deployments, and improve customer outcomes. Collaborates across Sales, Customer Success, Partners, and Product teams, advocates for product improvements, scales global best practices, and mentors senior talent.