Senior Cybersecurity Engineer, Enterprise Services in Belfast

Location: BELFAST ARNOTT HOUSE, United Kingdom

Base location: Belfast, Northern Ireland (Hybrid)

Operational Schedule: Participation in a rotating on‑call roster, requiring occasional paid weekend and holiday shifts (averaging once per month).

About Thales: Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billions of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy becomes smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

Position Summary: Our partners and customers are interested in optimizing their incident response, security analysis and improved user experience with the Imperva platform and product suites. As a Senior Cybersecurity Engineer, you will be on the front lines providing world‑class support as an Enterprise Services Engineer. You will help organizations understand Imperva’s various product platforms, such as Application Security and Data Security. Your mission is to help customers improve their security postures and seamlessly migrate existing pipelines and workloads to Imperva. You will act as a premier problem solver, identifying complex challenges and advocating innovative solutions on behalf of the customer.

Key Areas of Responsibility

• Technical Management & Optimization
• Product Administration: Maintain the core Imperva product stack on behalf of enterprise customers, managing tasks from custom rule creation to comprehensive event analysis.
• Policy Tuning: Optimize and fine‑tune security and audit rules across deployed Imperva solutions to minimize false positives and maximize threat detection.
• Deployment & Setup: Lead the technical configuration, physical or cloud installation, and baseline setup of Imperva platforms for new and existing accounts.
• Health Monitoring: Conduct periodic system health checks and structured service reviews to ensure peak operational performance and platform stability.
• Incident Response & Support Escalation
• Threat Mitigation: Perform rapid incident response and detailed root‑cause analysis during active security events.
• Advanced Troubleshooting: Serve as the resident subject‑matter expert in diagnosing and resolving complex, deep‑tier technical issues within Imperva ecosystems.
• Case Champion: Accelerate time‑to‑resolution for critical support tickets, driving internal visibility onto deployment friction and customer pain points.
• Global Collaboration: Partner with cross‑functional teams including customers, partners, account managers, and global engineering teams.
• Relationship & Account Consulting
• Strategic Advisory: Build long‑term technical relationships with enterprise stakeholders, assisting them with infrastructure design, roadmap planning, and deployment consulting.
• Environment Assessment: Evaluate customer technical environments and security architectures to align product delivery with organizational requirements.
• Customer Success: Support a diverse portfolio of active and onboarding customers, ensuring seamless retention and continuous platform adoption.
• Leadership & Business Operations
• Team Leadership: Provide day‑to‑day oversight, technical leadership, and operational supervision for the EMEA Enterprise Services engineering team.
• Talent Development: Train, mentor, and coach junior and mid‑level engineers to elevate collective technical capability across the department.
• Operational Excellence: Assist management with tracking departmental KPIs, executing net‑new strategic initiatives, and scaling the Enterprise Services program.
• Commercial Alignment: Collaborate directly with Sales, Renewals, and Customer Success Management (CSM) teams to drive Enterprise Services adoption and support the active sales cycle.

Requirements

• Education: Bachelor’s degree in Information Systems, Computer Science, Telecommunications, or a related technology field.
• Core Experience: Minimum of 4 years in application or network security within a technical, customer‑facing role.
• Specialized Expertise: At least 2 years of experience in Data Security.
• Networking Protocols: Deep understanding of TCP, HTTP/S, SSL, DNS, Reverse Proxies, and Firewalls.
• Operating Systems: Practical expertise with Linux‑based operating systems and system administration.
• Scripting Skills: Automation expertise in common scripting languages including Bash and Python.
• Application Security: Solid knowledge of the OWASP Top Ten Web Application and API vulnerabilities.
• Database & Query: Proficiency in SQL and MongoDB, covering databases like MSSQL, Oracle, and MySQL.
• Infrastructure Architecture: Experience analyzing complex deployments across both on‑premises and cloud infrastructures.
• Soft Skills: Advanced interpersonal, communication, analytical, critical thinking, and technical writing skills.
• Availability: Flexibility to participate in a scheduled, rotating on‑call shift roster.

Additional Preferred Experience

• Technical Communication: Ability to articulate complex security concepts clearly to both technical and non‑technical stakeholders.
• Cloud Architecture: Familiarity with major public cloud platforms, with a strong preference for AWS (Azure and GCP are a plus).
• Pattern Matching: Practical knowledge and ability to parse data by constructing and interpreting regular expressions (Regex).

Applicants must have a valid work permit in the UK.

Benefits

At Thales, we ensure equal opportunities, pay and working conditions for all. The benefits we offer include private medical insurance, buying or selling annual leave, cycle to work schemes, employee discounts, paid volunteering day, stocks and shares, annual bonus and much more depending on the role.