Job Description
We are seeking an
Exadata DMA
to design and optimize infrastructure solutions that align with business goals. Your expertise in Linux, Exadata DMA, and Oracle will be crucial in ensuring seamless operations and enhancing system performance. You will collaborate with cross‑functional teams to deliver innovative solutions in a hybrid work model.
About Cognizant’s CIS Practice
Cognizant’s CIS (Cognizant Infrastructure Services) Practice is a global leader in providing IT infrastructure services. We deliver innovative solutions to optimize and transform IT infrastructure, ensuring business agility and operational efficiency. Our services include cloud computing, data center management, network services, and cybersecurity. We focus on understanding client needs and delivering customized solutions to drive business success.
In this role, you will:
Exadata Administration Roles & Responsibilities
Infrastructure Management: Install, configure, and maintain Exadata Database Machine (hardware and software)
Performance Tuning: Optimize SQL, manage storage, and tune system performance
Patching and Upgrades: Apply quarterly Full Stack Download Patch (FSDP) and Infrastructure patches
Monitoring and Maintenance: Monitor cell servers, compute nodes, and InfiniBand/RoCE switches, ensuring high availability
ZFS Storage Appliance Administration
Storage Management: Configure, manage, and optimize ZFS storage pools, projects, and shares
Data Protection: Implement snapshots, replication, and data integrity checks
Performance Tuning: Monitor and tune storage throughput and latency
Snapshots & Replication: Managing point‑in‑time snapshots and replicating data to secondary sites for Disaster Recovery (DR)
ZDLRA (Zero Data Loss Recovery Appliance) Admin
Backup Management: Configure and maintain ZDLRA systems to ensure continuous data protection
Recovery Operations: Perform rapid, validated recovery of databases
Onboarding: Onboard databases to ZDLRA, automating backup policies
Real‑Time Redo Transport: Configure databases to send redo logs to the ZDLRA instantly, ensuring zero data loss even if the production site fails
Oracle Key Vault
Oracle Key Vault administrators are responsible for securing, managing, and auditing encryption keys, wallets, and credentials across enterprise databases
User Management: Creating and managing user accounts and roles
Endpoint Management: Adding, configuring, and managing endpoints (databases, application servers)
System Configuration: Configuring network, SNMP, SMTP (alerts), and enabling/disabling FIPS mode
Cluster Management: Setting up, monitoring, and managing OKV clusters (replication, node addition/removal)
Maintenance: Backing up and restoring OKV, patching, and starting/stopping services
Security Integration: Configuring hardware security modules (HSM)
Core Responsibilities Across Platforms
Security: Implement role‑based access, encryption, and compliance checks, Oracle key Vault
Troubleshooting: Resolve critical incidents related to performance, storage, or availability
Scripting & Automation: Automate tasks using shell scripting, Python, or Ansible
Documentation: Create standard operating procedures (SOPs) and disaster recovery plans
Grid Infrastructure & RAC: Installing, configuring, and patching Oracle Clusterware and ASM
Storage Management: Managing Cell Nodes and Grid Disks
Performance Tuning: Monitoring I/O resource management (IORM) to ensure one database doesn't "hog" the storage from others
Networking: Configuring InfiniBand or RoCE (RDMA over Converged Ethernet) fabrics for ultra‑low latency
Monitoring and Maintenance: Monitor cell servers, compute nodes, and InfiniBand/RoCE switches, ensuring high availability
What you’ll need to succeed (required skills)
Possess strong expertise in Linux demonstrating the ability to optimize and manage systems effectively
Have extensive experience with Exadata DMA showcasing proficiency in database management and optimization
Proven track record of 8 or more years in infrastructure architecture with a dedicated focus on Linux, Oracle, and Exadata DMA
Excellent experience with ZDLRA and ZFS
Display excellent problem‑solving skills with a focus on improving infrastructure efficiency
Demonstrate the ability to work collaboratively in a hybrid work environment
Show a commitment to staying updated with industry trends and best practices
Compensation: We are offering an annual salary of $94,000-110,000.
At Cognizant, we’re eager to meet people who believe in our mission and can make an impact in various ways! We strongly encourage you to apply even if you only meet the required skills listed. Consider what transferrable experience and skills make you an outstanding applicant and help us see how you’d be helpful to this role.
Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work‑life balance through our various wellbeing programs. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client office based in Mississauga, Ontario.
Note: The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
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