Top Tech Jobs & Startup Jobs in Belfast

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.

Build and operate the governance, risk, and compliance program across SOC 2, NIST CSF, ISO 27001, and related frameworks. Manage audits, control libraries, risk registers, policies, vendor assessments, due diligence, and compliance monitoring. Configure automated evidence collection through APIs, query compliance data using SQL, validate control effectiveness, coordinate remediation, and report risk posture to leadership. Partner with auditors, security, engineering, business teams, customers, and prospects while automating manual GRC workflows.

Supports the planning, development, and improvement of aerospace manufacturing processes, tools, technologies, and production systems. Responsibilities include continuous improvement, waste reduction, automation and digital manufacturing initiatives, industrialisation of new products, production problem-solving, data analysis, and cross-functional collaboration with engineering, quality, operations, supply chain, and production teams.

Student placement software engineering role developing Magnite’s advertising platform. Responsibilities include software development, quality assurance, test automation, deployment, and solving complex technical problems with experienced engineering teams. The role provides mentorship and exposure to a broad technology stack, including Java, Rust, Scala, JavaScript, Python, C++, SQL, Cassandra, Druid, Hadoop, and Kafka.

As a Senior Site Reliability Engineer, you'll build resilient platforms, automate processes, mentor teams, and drive changes in a cloud-based environment.

Lead, coach, and develop a telesales team to exceed revenue and KPI targets. Drive new customer acquisition, support account management, maximize upsell and cross-sell opportunities, and improve performance through coaching, call reviews, and data analysis. Maintain call quality, compliance, and a positive, high-energy team culture while delivering exceptional customer experiences.

Leads mechanical engineering design and construction administration for complex data centre projects across EMEA. Provides technical leadership to multidisciplinary teams, supports project delivery, permitting, building systems, regulations, and construction methodologies. Contributes to thought leadership, strategic growth, client relationships, and delivery for hyperscale and colocation technology clients. Requires chartered professional status, extensive data centre experience, Uptime Institute accreditation, Revit knowledge, strong communication skills, and willingness to travel.

Lead and deliver building projects across full lifecycle in Northern Ireland, managing design, procurement, construction, commissioning, client engagement, NEC ECC contract administration, and team performance across RIBA Stages 0-7.

Designs and reviews electrical and ICA systems for water and wastewater infrastructure, including treatment plants, chemical dosing, pumping stations, and sludge treatment. Produces electrical calculations, load schedules, single-line diagrams, MCC layouts, control philosophies, PLC/SCADA specifications, P&IDs, and technical reports. Leads electrical project scopes, supports feasibility through construction, coordinates multidisciplinary teams, conducts site surveys, manages budgets and schedules, and mentors engineering staff.

Build and deploy AI data agents that interact with enterprise knowledge graphs, data catalogs, BigQuery, and analytics infrastructure. Develop modular agent skills and evaluation systems, create intelligent data pipeline integrations, and expand knowledge platforms in collaboration with data engineers. Use coding-agent tools to accelerate development. The role requires Python and Java, with preferred experience in Google ADK, LangChain, GCP, BigQuery, Kubernetes, GitOps, and major foundation models.

Leads strategy and marketing for Thales UK’s Cyber, Digital and Technology business. Responsibilities include developing domain and technology strategies, creating integrated marketing campaigns, supporting account engagement plans, mapping offerings to customer needs, coordinating customer events, and enabling exhibitions and conferences. The role drives demand generation, customer experience, strategic initiatives, and growth across critical national infrastructure and other UK markets.

Lead large infrastructure projects under NEC contracts, managing scope, schedules, budgets, risks, stakeholders, supply chains, contractors, safety, commissioning, and project controls. The role includes contract administration, procurement strategy, performance reporting, quality management, team leadership, business development, financial oversight, and mentoring. Rail experience is advantageous, and responsibilities may include line management and compliance with applicable safety, regulatory, and SOX requirements.