Romania - Junior Security Engineer

Role Description:

Booking Holdings Romania is a Center of Excellence based in Bucharest, Romania and was created to support the increasing business demands of the Booking Holdings Brands. The Center of Excellence provides access to specialized and highly skilled talent, leading industry best practices, and collaboration opportunities across all of our Brands.

As part of our Booking Holdings Romania team, you will have the opportunity to be a part of the world's leading provider of online travel, with a mission of making it easier for everyone to experience the world through five-primary consumer facing brands: , Priceline, Agoda, KAYAK and OpenTable.

The Junior Security Engineer assists in designing, integrating and operating data protection services to safeguard data across platforms. Success looks like delivering production‑ready changes under supervision, improving service reliability and automation, and reducing data exposure while learning and applying company Security and Compliance standards.

This role provides a hybrid way of working with an onsite presence of 2 days/week.

Key Job Responsibilities and Duties

• Assist in implementing and operating Data Loss Prevention services (endpoint, CASB, email) across enterprise and public cloud platforms, following Data Security policies and team runbooks, to reduce data exposure and exfiltration risk under supervision.
• Support sensitive data discovery and classification in priority data stores and services, using approved classifiers and scanning templates, to increase visibility and triage findings while updating coverage/quality metrics with guidance.
• Contribute to enforcing the public‑cloud Data Security Baseline (e.g., encryption in transit/at rest, key management, preventive/detective guardrails) on cloud resources, applying reference architectures and IaC patterns to achieve a security‑by‑default posture.
• Apply foundational SRE practices to team services by using defined SLOs/alerts, participating in postmortems, and automating routine tasks, to improve reliability and time‑to‑recovery in line with incident playbooks.
• Support integration and upkeep of secrets‑detection in developer platforms (e.g., GitLab) and other team collaboration spaces, configuring routing and basic remediation workflows and maintaining dashboards, to reduce credential exposure under established procedures.
• Collaborate with Security Engineers, Analysts, Developers, and stakeholders to implement Security and Compliance standards, communicate progress and risks clearly, and deliver safe‑by‑default changes with peer review.

Role Qualifications and Requirements

• 1-3 years of experience in information security

Security - Data Security

• Data Protection
• Sensitive Data, PII, GDPR, PCI, etc.
• Asset Security, Access Management, Cloud Security
• Encryption, PKI

Technologies and Tools

• Must have

• Operating System: Linux

• Public Cloud: AWS, Azure, GCP
• Programming/Scripting: Bash, Python
• Source Control & CI/CD: Gitlab, GitLab CI/CD

• Nice to have

• Observability & Monitoring: Prometheus, Grafana, Elastic

• Containerisation: Kubernetes, Docker
• IaC: Terraform
• Configuration Management: Puppet, Ansible
• Data Loss Prevention (DLP), CASB tools

Benefits & Perks

• Contributing to a high scale, complex, world renowned product and seeing real-time impact of your work on millions of travelers worldwide
• Working in a fast-paced and performance driven culture
• Technical, behavioral and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences and active community participation
• Competitive compensation and benefits package
• Vast amounts of data to validate your ideas and the opportunity to experiment with real users

Booking Holdings is proud to be an equal opportunity workplace and is an affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We strive to move well beyond traditional equal opportunity and work to create an environment that allows everyone to thrive.