Bloomreach

Senior Staff Security Infrastructure Engineer

Bloomreach
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7 months ago
Prague, CzechiaStaff+
H1B Sponsor

Responsibilities

  • Own current and target-state security data architectures and reporting.
  • Design, implement, validate, and monitor cloud infrastructure security controls across AWS and GCP.
  • Deploy, secure, configure, operate, and maintain SIEM and other security resources.
  • Author and test detection rules and playbooks, integrate telemetry sources, and operate incident workflows.
  • Identify, triage, remediate, and manage the lifecycle of infrastructure and web vulnerabilities and CVEs.
  • Design and manage firewalls, WAFs, cloud network controls, URL filtering, web protections, and endpoint protections.
  • Build security automation and tooling for detection, alert enrichment, and remediation.
  • Implement secure infrastructure-as-code practices, CI pipeline guardrails, policy-as-code, and static IaC scanning.
  • Define logging and telemetry requirements and validate coverage and detection effectiveness for critical assets.
  • Develop and operationalize organization-wide security standards, runbooks, and playbooks.
  • Apply threat modeling and adversary-focused testing to guide defensive controls and resilient designs.
  • Lead incident triage, vulnerability disclosure, and external security researcher engagement.
  • Communicate with engineering teams, leadership, external researchers, and customers.
  • Mentor junior engineers and drive continuous improvement of the infrastructure security posture.

Requirements

  • At least 6 years of relevant experience.
  • Proficiency in cloud security, network security, URL filtering, common security frameworks, and CVE lifecycle management.
  • Hands-on AWS and GCP security experience, including threat modeling, platform-native controls, secure architectures, and secure infrastructure as code.
  • Experience deploying, configuring, tuning, and maintaining SIEM systems; authoring detection rules and playbooks; integrating data sources; and operating SLA-driven alerting and incident workflows.
  • Experience identifying, triaging, and remediating infrastructure and web vulnerabilities, including root cause analysis and patching.
  • Operational experience with firewalls, WAFs, cloud network controls, URL/web filtering, and endpoint protections.
  • Practical infrastructure-as-code and scripting experience using Python, Go, Bash, or similar languages.
  • Experience building security automation for detection, alert enrichment, and remediation.
  • Experience implementing CI pipeline guardrails, policy-as-code, static infrastructure-as-code scanning, and security baselines.
  • Knowledge of logging, telemetry, observability, detection efficacy, alert fidelity, CIS, NIST, common security libraries, and infrastructure and web application weaknesses.
  • Strong cross-functional and external communication skills, including vulnerability disclosure and researcher engagement.
  • Experience mentoring junior engineers and prioritizing security projects based on risk and business impact.
  • Relevant certifications include AWS Certified Security, Google Professional Cloud Security Engineer, Splunk Certified Admin, Splunk Certified Enterprise Security Admin, CISSP, CCSP, or Cloud Security Alliance CCSK.

Benefits

  • Full-time role based in Central Europe offices in Bratislava, Brno, or Prague, or remote from Central and Eastern Europe.
  • Virtual-first work environment with flexible working hours and access to Bloomreach hubs.
  • Five paid days off for volunteering.
  • Personal development workshops and leadership development programs.
  • Employee Assistance Program, Calm subscription, sports, yoga, and meditation opportunities.
  • Quarterly company-wide DisConnect days and extended parental leave up to 26 calendar weeks for primary caregivers.
  • Company events and employee referral and work-anniversary recognition programs.

Categories

Bloomreach

About Bloomreach

501-1,000 employees

Bloomreach personalizes the customer experience for more than 1,400 global brands through Loomi, its agentic personalization platform. With apps spanning email, web, ads, search, and more — and agents spanning marketing and conversational shopping — Loomi brings real-time personalization to life at every customer touchpoint.

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