Senior Specialist/Engineer Service Operations – Database (Oracle, MongoDB)

SITA Switzerland Sarl • Lebanon, PA

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About The Position

To ensure the stability, performance, and availability of all production databases supporting SITA’s mission-critical applications and customer services. The DBA will play a key operational role, providing proactive monitoring, maintenance, and incident resolution in line with SITA’s service standards, ensuring seamless operations across global environments.

Requirements

• Minimum 5-10 years’ experience in a production DBA or operational support role.
• Certification in Oracle and MongoDB or SQL is mandatory.
• Experience supporting enterprise-grade systems within a 24x7 operational setup.
• Monitoring and management tools: Oracle Enterprise Manager (OEM), Nagios and/or Dynatrace.
• Strong understanding of database design, architecture, and operational management.
• Hands-on experience with one or more major RDBMS platforms (e.g. Oracle, SQL Server, MongoDB).
• Proficiency in performance tuning, query optimization, and index management.
• Experience with high availability (HA), clustering, and replication setups.
• Solid understanding of backup and recovery mechanisms, including RMAN or equivalent tools.
• Familiarity with automation and scripting (PowerShell, Bash, Python) for operational efficiency.
• Working knowledge of Linux and Windows server environments.
• Understanding of ITIL processes (Incident, Problem, Change, and Configuration Management).
• Strong analytical, troubleshooting, and communication skills.
• Ability to manage multiple tasks and prioritize in a high-pressure, mission-critical environment.
• Degree in Computer Science; Electronic Engineering ; IT or equivalent.

Nice To Haves

• Exposure to aviation or telecommunications environments would be an asset.
• Scripting and automation: Bash, PowerShell, Python, Perl.
• Backup and recovery solutions: RMAN, Veeam, Commvault, or equivalent enterprise-grade tools
• Cloud and container technologies: AWS RDS, Azure SQL Database, Docker, Kubernetes (for modern database deployments).
• Candidates with one or more of the recognized industry certifications will have a distinct advantage: Oracle Databases Oracle Certified Associate (OCA) – Oracle Database Administration Oracle Certified Professional (OCP) – Oracle Database Oracle Certified Expert (OCE) – High Availability, RAC & Grid Infrastructure Oracle Cloud Infrastructure (OCI) Database Management certifications Microsoft SQL Server Microsoft Certified: Azure Database Administrator Associate Microsoft Certified Solutions Expert (MCSE) – Data Management and Analytics Microsoft Certified: SQL Server Database Administrator PostgreSQL / Open Source Databases EnterpriseDB Certified PostgreSQL DBA Certified PostgreSQL Professional (CPPA) MongoDB Certified DBA (for NoSQL environments)

Responsibilities

• Provide Service Operations support to external customers in accordance with the terms of the customer contract and Service Level Agreements (SLAs)- Ensure the correct functioning and maintenance of all internal and external systems and products serviced by Service Operations.
• Manage and maintain Production, DR, and QA databases across multiple environments (Oracle, SQL Server, MongoDB etc.).
• Perform proactive monitoring, health checks, and performance tuning to ensure optimal database availability and efficiency.
• Support 24x7 operations by responding to incidents, troubleshooting issues, and driving root cause analysis to prevent recurrence.
• Execute regular database backups, restorations, and disaster recovery activities aligned with business continuity requirements.
• Apply patches, version upgrades, and configuration changes in accordance with approved change management processes.
• Ensure database security, access control, and compliance with corporate and customer data protection policies.
• Collaborate with application, infrastructure, and network teams to resolve issues and implement improvements.
• Develop and maintain operational runbooks, documentation, and standard operating procedures (SOPs).
• Support service transition activities, ensuring smooth handover of new or upgraded systems into operations.
• Participate in on-call rotation and support after-hours maintenance windows when required.

Benefits

• Employee Wellbeing: We have got you covered with our Employee Assistance Program (EAP), for you and your dependents 24/7, 365 days/year. We also offer Champion Health - a personalized platform that supports a range of wellbeing needs.
• Professional Development: Level up your skills with our training platforms, including LinkedIn Learning!
• Competitive Benefits: Competitive benefits that make sense with both your local market and employment status.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees