Senior Telecom OSS Database Administrator (DBA)

DCM Infotech Limited

$110K — $130K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of experience with enterprise database support in distributed systems
  • Hands-on expertise with Oracle and Informix database administration
  • Proficient in SQL performance tuning and optimization
  • Experience with Unix/Linux environments (Solaris, Client-UX, Red Hat)
  • Knowledge of Windows Server environments
  • Familiarity with middleware systems like IBM MQ and Tuxedo
  • Strong troubleshooting skills across various IT layers.

Responsibilities

  • Administer databases for telecom OSS applications across various environments
  • Manage enterprise database technologies such as Oracle, Informix, and Postgres/MySQL
  • Conduct installations, upgrades, migrations, and performance tuning for databases
  • Support modernization initiatives with migration to Red Hat Enterprise Linux and modern environments
  • Monitor database performance and optimize for telecom systems
  • Collaborate with cross-functional teams during migration programs
  • Troubleshoot issues involving databases, middleware, and applications.

Benefits

  • Opportunity to work with cutting-edge database and telecom technologies
  • Exposure to high-availability and disaster recovery planning
  • Chance to collaborate with diverse IT teams
  • Work in a dynamic and fast-paced environment
  • Support initiatives in cloud migration and hybrid infrastructure.
Full Job Description
Key Responsibilities
  • Administer and support database platforms for telecom OSS applications across development, testing, staging, and production environments.
  • Manage enterprise database technologies including:
    • Oracle
    • Informix
    • Postgres/MySQL
    • Additional relational database platforms as needed
  • Perform database installation, upgrades, patching, migrations, backup/recovery, replication, and performance tuning activities.
  • Support platform modernization initiatives involving migration from Solaris, Client-UX, and legacy Windows systems to Red Hat Enterprise Linux and modern Windows environments.
  • Monitor and optimize database and platform performance for high-volume telecom operational systems.
  • Collaborate with application, middleware, cloud, infrastructure, and network teams during transformation and migration programs.
  • Support hybrid deployment environments spanning on-prem data centers, Azure, and AWS Outposts.
  • Troubleshoot production issues involving database, middleware, storage, connectivity, and application platform layers.
  • Support middleware and messaging integrations including:
    • IBM MQ
    • Tuxedo
  • Participate in high-availability, disaster recovery, and resiliency planning for mission-critical OSS systems.
  • Develop automation scripts and operational procedures to improve platform reliability and operational efficiency.
  • Maintain technical documentation, support runbooks, and operational standards.


Required Qualifications
  • 8+ years of experience supporting enterprise database and platform environments within large-scale distributed systems.
  • Strong hands-on expertise with:
    • Oracle Database Administration
    • Informix Database Administration
    • SQL performance tuning and optimization
  • Experience supporting Unix/Linux environments including:
    • Solaris
    • Client-UX
    • Red Hat Enterprise Linux
  • Working knowledge of Windows Server environments.
  • Experience with middleware and messaging systems such as:
    • IBM MQ
    • Tuxedo
  • Strong troubleshooting skills across infrastructure, database, and application layers.
  • Experience supporting mission-critical applications with 24x7 operational requirements.


Preferred Qualifications
  • Telecom OSS/BSS domain experience supporting landline or TDM voice network environments.
  • Understanding of telecom switching systems such as:
    • 4ESS
    • 5ESS
  • Familiarity with TDM network operations, provisioning systems, inventory management, and service activation workflows.
  • Exposure to legacy telecom communication frameworks such as Datakit and lib-e/G2.
  • Experience with cloud migration and hybrid infrastructure deployment models.
  • Knowledge of automation, scripting, and DevOps practices.
  • ITIL process knowledge and operational support experience preferred.


Leadership & Soft Skills
  • Strong analytical and problem-solving capabilities in complex distributed environments.
  • Ability to coordinate effectively across infrastructure, application, middleware, and network teams.
  • Excellent communication and documentation skills.
  • Ability to manage multiple priorities within large-scale transformation initiatives.
  • Strong ownership mindset with focus on reliability and operational excellence.

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