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Senior Staff Security Engineer

BloomreachSlovakiaPosted 2 Aug 2026

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About this role

Bloomreach is building the world’s premier agentic platform for personalization .We’re revolutionizing how businesses connect with their customers, building and deploying AI agents to personalize the entire customer journey. We're taking autonomous search mainstream, making product discovery more intuitive and conversational for customers, and more profitable for businesses. We’re making conversational shopping a reality, connecting every shopper with tailored guidance and product expertise — available on demand, at every touchpoint in their journey.

We're designing the future of autonomous marketing , taking the work out of workflows, and reclaiming the creative, strategic, and customer-first work marketers were always meant to do. And we're building all of that on the intelligence of a single AI engine — Loomi — so that personalization isn't only autonomous…it's also consistent.From retail to financial services, hospitality to gaming, businesses use Bloomreach to drive higher growth and lasting loyalty.

We power personalization for more than 1,400 global brands, including American Eagle, Sonepar, and Pandora. Senior Staff Security Engineer The Senior Staff Security Engineer owns current and target-state data architectures and reporting while also designing, implementing, and monitoring cloud (AWS/GCP) infrastructure security controls; deploying, securing, configuring, and operating SIEM and other security resources; identifying, triaging, and remediating infrastructure and web vulnerabilities; leading incident triage and external-researcher engagement; mentoring junior staff; and helping shape secure, scalable approaches for AI-enabled tooling, automation, and emerging product capabilities.

Role summary and core responsibilities 6+ years of relevant experience Candidates must demonstrate proficiency in cloud security, network security, URL filtering, common security frameworks, and CVE lifecycle management Practical IaC and scripting for automation Strong cross-functional and external communication Experience mentoring junior staff Technical Skills: Hands-on cloud security for AWS and GCP: design secure architectures, perform threat modeling, apply platform-native controls, and build and validate secure IaC.

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SIEM ownership and detection engineering: deploy, configure, tune, and maintain SIEM; author and test detection rules and playbooks; integrate data sources; and operate with SLA-driven alerting and incident workflows. Vulnerability and incident lifecycle ownership: identify, triage, and remediate infrastructure and web vulnerabilities. Drive CVE lifecycle management and patching: perform root cause analysis and measure MTTR and remediation rates.

Network, web, and endpoint protections: design and manage firewalls, WAFs, cloud network controls, URL and web filtering, with demonstrable operational experience. Secure automation and tooling: author automation for detection, alert enrichment, and remediation; build or extend security tooling using scripting or languages such as Python, Go, or Bash. Infrastructure as code and secure CI pipelines: implement guardrails and policy-as-code in CI/CD pipelines, perform static IaC scanning, and enforce security baselines before deployment.

Detection, telemetry, and observability: define logging and telemetry requirements, ensure coverage for critical assets, and validate detection efficacy and alert fidelity. Security standards, playbooks, and enforcement: develop, document, and operationalise organisation-wide security standards, runbooks, and playbooks; partner with engineering teams to drive adoption. Threat-informed defensive engineering: apply threat modeling and adversary-focused testing to guide controls, detection, and resilient designs.

AI security and emerging technology risk: help define controls and guardrails for AI-enabled tools, internal automation, and product capabilities; assess risks around data access, model usage, prompt injection, and secure adoption of AI across engineering environments. Cross-functional and external communication: communicate clearly with engineering teams, leadership, external researchers, and customers; lead vulnerability disclosure and researcher engagement.

Mentorship and prioritisation: mentor junior engineers, prioritise security projects based on risk and business impact, and drive continuous improvement of infrastructure security posture. Familiarity with frameworks and common weaknesses: working knowledge of CIS, NIST, common security libraries and controls, and typical flaws exploited in infrastructure and web applications. Skills and qualifications: AWS Certified Security Google Professional Cloud Security Engineer Splunk Certified Admin or Splunk Certified Enterprise Security Admin CISSP (Certified Information Systems Security Professional) Certified Cloud Security Professional (CCSP) Cloud Security Alliance CCSK Experience with AI security, AI governance, or securing AI-enabled products and workflows is a strong plus #LI-HO1 The pay range actually offered will take into account a variety of potential factors considered in compensation, including but not limited to skills, qualifications, geographic location, accomplishments, experience, credentials, internal equity and business needs, and may vary from the range listed above.

Base Salary Range €55.273 — €69.091 EUR More things you'll like about Bloomreach: Culture: A great deal of freedom and trust. At Bloomreach we don’t clock in and out, and we have neither corporate rules nor long approval processes. This freedom goes hand in hand with responsibility. We are interested in results from day one. We have defined our 5 values and the 10 underlying key behaviors that we strongly believe in.

We can only succeed if everyone lives these behaviors day to day. We've embedded them in our processes like recruitment, onboarding, feedback, personal development, performance review and internal communication. We believe in flexible working hours to accommodate your working style. We work virtual-first with several Bloomreach Hubs available across three continents. We organize company events to experience the global spirit of the company and get excited about what's ahead.

We encourage and support our employees to engage in volunteering activities - every Bloomreacher can take 5 paid days off to volunteer*. The Bloomreach Glassdoor page elaborates on our stellar 4.7/5 rating. The Bloomreach Comparably page Culture score is even higher at 4.9/5 Personal Development: We have a People Development Program - participating in personal development workshops on various topics run by experts from inside the company.

We are continuously developing & updating competency maps for select functions. Our resident communication coach Ivo Večeřa is available to help navigate work-related communications & decision-making challenges.* <li style="

Source listing: greenhouse_bloomreach

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