Senior Telecom OSS Database Administrator (DBA)

Senior Telecom OSS Database Administrator (DBA)
Contract duration 6 months
Position Summary

We are seeking an experienced Senior Telecom OSS Database Administrator (DBA) to support and modernize mission-critical Operational Support Systems (OSS) within a large-scale telecommunications environment. The ideal candidate will possess deep expertise in enterprise database administration, Unix/Linux platforms, and middleware technologies while supporting highly available, business-critical applications.

This role will play a key part in infrastructure modernization initiatives, including migrating legacy platforms to modern Linux and Windows environments and supporting hybrid cloud deployments across on-premises data centers, Microsoft Azure, and AWS Outposts.

Key Responsibilities
Database Administration
Administer, maintain, and support enterprise databases across development, test, staging, and production environments.
Manage and optimize multiple relational database platforms, including:
Oracle Database
Informix
PostgreSQL
MySQL
Perform database installation, configuration, upgrades, patching, migrations, backup and recovery, replication, and capacity planning.
Monitor database health, troubleshoot performance issues, and implement tuning strategies to ensure optimal availability and scalability.
Support high availability (HA), disaster recovery (DR), backup, and business continuity initiatives for mission-critical systems.
Platform Modernization & Infrastructure
Support modernization efforts involving migration from legacy Solaris, HP-UX, and Windows platforms to Red Hat Enterprise Linux (RHEL) and modern Windows Server environments.
Collaborate with infrastructure, application, middleware, cloud, storage, and networking teams during platform upgrades and migration projects.
Support hybrid infrastructure environments spanning on-premises data centers, Microsoft Azure, and AWS Outposts.
Develop automation scripts and operational procedures to improve deployment consistency, reliability, and operational efficiency.
Middleware & Application Support
Support middleware and messaging platforms, including IBM MQ and Oracle Tuxedo.
Troubleshoot production issues across database, middleware, operating system, storage, and application layers.
Partner with application development teams to optimize database performance and ensure application stability.
Operational Excellence
Maintain operational documentation, runbooks, standard operating procedures, and technical architecture documentation.
Participate in on-call support and provide timely resolution for production incidents affecting critical telecom systems.
Continuously identify opportunities to improve system performance, reliability, automation, and operational processes.
Required Qualifications
Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
8+ years of enterprise database administration experience supporting large-scale, mission-critical environments.
Strong hands-on expertise with:
Oracle Database Administration
Informix Database Administration
SQL performance tuning, optimization, and troubleshooting
Extensive experience supporting Unix/Linux operating systems, including:
Solaris
HP-UX
Red Hat Enterprise Linux (RHEL)
Working knowledge of Microsoft Windows Server environments.
Experience administering or supporting middleware technologies such as:
IBM MQ
Oracle Tuxedo
Strong analytical and troubleshooting skills across database, operating system, middleware, storage, and application layers.
Experience supporting 24x7 production environments with high availability and strict service level requirements.
Preferred Qualifications
Experience supporting Telecommunications OSS/BSS platforms.
Knowledge of traditional landline or TDM voice network environments.
Familiarity with telecom switching platforms, including:
4ESS
5ESS
Understanding of telecom provisioning, inventory management, service activation, and network operations workflows.
Experience with legacy telecom communication technologies such as Datakit and lib-e/G2.
Experience supporting cloud migration initiatives and hybrid cloud environments.
Knowledge of automation and scripting using Shell, Python, Perl, or PowerShell.
Exposure to Infrastructure as Code (IaC), DevOps practices, and CI/CD pipelines.
ITIL Foundation certification or equivalent operational support experience.
Leadership & Soft Skills
Strong analytical, troubleshooting, and problem-solving abilities in complex distributed enterprise environments.
Proven ability to collaborate effectively with cross-functional teams, including infrastructure, networking, middleware, cloud, and application engineering.
Excellent verbal and written communication skills with the ability to document technical solutions clearly.
Ability to manage multiple priorities and support large-scale modernization and transformation initiatives.
Demonstrated ownership, accountability, and commitment to operational excellence, platform stability, and continuous improvement.