Senior Database Engineer/Architect – PostgreSQL & Oracle
Vacancy Id: VM2407-25/NL
Location: Any by priority: Sweden, Denmark, Romania, other countries
Department: BSS / Operations & R&D
Type: Full-Time
Duration: 6 Months
Job Summary
We are looking for a skilled and motivated Senior Database Engineer/Architect with strong experience in PostgreSQL and Oracle to support our enterprise systems across business-critical environments. The ideal candidate will contribute to both design and operational excellence, ensuring stability, performance, and scalability of our database systems.
Key Responsibilities
o Design, implement, and maintain PostgreSQL and Oracle databases
o Optimize queries, indexing, and performance tuning
o Set up monitoring, backup, and failover strategies
o Collaborate with development and operations teams to support application requirements
o Participate in the planning and execution of database migrations and upgrades
o Ensure data integrity, security, and compliance with internal standards
o Contribute to documentation and knowledge sharing across teams
o Provide technical support and troubleshooting for database-related issues
o Maintain and optimize high-performance database environments supporting mission-critical applications, such as Online Charging Systems, with transaction volumes exceeding 10,000–20,000 TPS.
o Manage and safeguard database availability and fault tolerance for systems with real-time processing requirements and critical uptime commitments.
Required Skills & Experience
o 5+ years of experience in PostgreSQL and Oracle administration
o Strong SQL skills and understanding of relational database concepts
o Experience with replication, clustering, and high availability setups
o Solid understanding of backup/recovery and disaster recovery planning
o Familiarity with performance monitoring tools and techniques
o Comfortable working in Linux/Unix environments
o Experience in enterprise environments with large data sets
Nice to Have
o Experience with cloud platforms (AWS, Azure, GCP)
o Familiarity with automation tools (Ansible, Terraform, scripting)
o Exposure to DevOps environments and CI/CD pipelines
o Knowledge of security best practices (e.g., encryption, RBAC)
o Experience supporting telecom or BSS systems (a plus)
Soft Skills
o Strong analytical and problem-solving skills
o Excellent communication and teamwork
o Proactive mindset with ability to work independently
o Willingness to mentor junior team members
If you are interested in this opportunity and believe you would be a great fit, we would love to hear from you!
Please send your CV to the following email address:
We look forward to getting in touch with you!