Top Tech Jobs & Startup Jobs in Belfast

Defines Rapid7’s technical vision and architecture for LLM and agentic AI systems across security products. Leads model strategy, fine-tuning, post-training, inference optimization, evaluation standards, and high-risk initiatives. Builds critical training and inference code, resolves complex technical trade-offs, mentors senior engineers, and influences product and platform strategy. The role requires deep expertise in transformer-based models, PyTorch, distributed training, context engineering, model evaluation, scalable inference, classical ML, and production AI systems.

Lead the technical direction for LLM and agentic AI systems across Rapid7’s security products. Architect, fine-tune, evaluate, optimize, and deploy models at scale while establishing engineering standards for context engineering, inference, and release evaluations. The role remains hands-on with model and infrastructure code, leads complex design decisions, mentors senior engineers, and shapes cross-functional product and platform investments.

Leads and scales Rapid7’s technical support organization in Belfast. Responsibilities include managing support engineers and managers, developing career progression, driving process and tooling changes, improving operational metrics, resolving escalations, partnering with Engineering, Product, Customer Success, and Sales, and building consistent global support practices. The role emphasizes organizational change, customer outcomes, technical communication, accountability, and continuous improvement.

Executes security governance and compliance initiatives across EMEA and APAC, translating auditor requirements into actionable steps for technical teams. The role evaluates security control design and effectiveness, identifies compliance gaps and project risks, supports audit activities, and promotes security controls across the business. It also requires cross-functional collaboration with Legal, Engineering, and Information Security teams.

Manage end-to-end payroll operations across multiple countries, ensuring accurate, timely, and compliant processing. Audit payroll inputs, resolve discrepancies, prepare reports, support financial reporting and month-end close, initiate payroll funding payments, maintain procedures and controls, and assist with year-end tax reporting. The role requires collaboration with Finance, Tax, Benefits, People Strategy, employees, and external payroll providers, along with fluency in English and Czech.

Leads customer onboarding projects from post-sale kickoff through steady state. Manages timelines, milestones, dependencies, and stakeholder coordination; performs software installation, configuration, validation testing, troubleshooting, and documentation. Guides customers through technical prerequisites and best practices, communicates with nontechnical users, escalates complex issues, gathers feedback, and supports process and product improvements.

Leads and scales Rapid7’s EMEA sales engineering organization, managing Solution Engineers and serving as the region’s strategic technical authority. Partners with sales, marketing, product, engineering, executives, and channel partners to drive revenue, retention, consultative security solutions, strategic proofs of concept, demonstrations, and enterprise deals. Represents the company at industry events and translates customer needs into product strategy while improving forecasting, leadership development, and presales performance.