Location: US-MD-Baltimore

Job Number: 18211216

CTG is looking for a Hadoop(Cloudera) Administrator on behalf of our banking client in Baltimore, MD. This is a contract-to-hire role.

Please, no C2C.

Position Duties:

•Responsible for Capacity Planning, Infrastructure Planning based on the workloads and future


•Interact with the business users, Enterprise Architects and Project Managers to gather the requirements.

•Install Cloudera-Hadoop from scratch for different environments (Dev, Test, Cert, Production, Disaster


•Install and configure Kafka to facilitate real-time streaming applications.

•Provide support and maintenance and its eco-systems include HDFS, Yarn, Hive, Impala, Spark, Kafka,

HBase, Informatica BDB, and Tableau.

•Work on issues and provide EBF’s (emergency bug fixes) for Informatica to meet the SLA.

•Work with delivery teams for Provisioning of users into Hadoop.

•Implement Hadoop Security like Kerberos, Cloudera Key Trustee Server and Key Trustee Management


•Enable Sentry for RBAC (role-based access control) to have a privilege level access to the data in HDFS

as per the security policies.

•Enable data encryption at rest and at motion with TLS/SSL to meet the security standards.

•Perform upgrades to Cloudera Manager, CDH along with support for Linux Server Patching from RHEL

7.1 to 7.4 (maipo).

•Install of Informatica Big-Data-Management edition from scratch at development, Test, Certification and

Production environments.

•Perform upgrades to Informatica BDM from time to time as needed.

•Establish of connections between Hadoop and Informatica BDM to perform Dynamic Mappings and Hive


•Enable Informatica as a data ingestion tool for Hadoop by creating and testing the connections from

different databases like Mysql, Microsoft Sql, Oracle, Hive, Hdfs, Teradata.

•Design and Implementation of Backup and Disaster Recovery strategy based out of Cloudera BDR utility

for Batch applications and Kafka mirror maker for real-time streaming applications.

•Enable the consumers to use the Data in Hive Tables from Tableau desktop as part of the requirement.

•Establish the connection between Teradata Studio Express and Impala, so as to enable the consumer

group for an easy migration to Hadoop query engines.

•Integrate CA-7 enterprise scheduler to run the Jobs in both Hadoop/Informatica.

•Align with development and architecture teams to propose and deploy new hardware and software

environments required for Hadoop and to expand existing environments.

•Perform Capacity Planning of Informatica Big Data Management along with implementation design for

grid execution.

•Optimize and Performance tuning of the cluster by changing the parameters based on the benchmarking

results such as Teragen/Terasort.

•Implement GIT version control basing out of NFS shared drive for Hadoop and also integrate it to the

Eclipse IDE.

•Enable Sub-Version (svn) as version control

•Enable connectivty of Tableau and SAS Grid to Hadoop

Required Skills:

•A minimum of bachelor's degree in computer science or equivalent.

•Cloudrea Hadoop(CDH), Cloudera Manager, Informatica Bigdata Edition(BDM), HDFS, Yarn,

MapReduce, Hive, Impala, KUDU, Sqoop, Spark, Kafka, HBase, Teradata Studio Express, Teradata,

Tableau, Kerberos, Active Directory, Sentry, TLS/SSL, Linux/RHEL, Unix Windows, SBT, Maven, Jenkins,

Oracle, MS SQL Server, Shell Scripting, Eclipse IDE, Git, SVN

•Must have strong problem-solving and analytical skills

•Must have the ability to identify complex problems and review related information to develop and

evaluate options and implement solutions.

To Apply:

To be considered please immediately apply to this requisition using the link provided. For additional information, please contact Mike Cleri at michael.cleri@ctg.com or 716-888-3415. Kindly forward to any other interested parties - thank you! W2 employees only, please no C2C.

CTG’s Benefits Plan allows you to select insurance coverage that best suits your lifestyle, and take part in our savings programs and educational plans. We offer Flexible Spending Accounts, a 401(k) Retirement Plan, and an Employee Stock Purchase plan. Our educational plan comprises access to more than 2,000 web-based technical, professional and business development courses.


CTG (NASDAQ: CTG) provides industry-specific IT services and solutions that address the business needs and challenges of clients in high-growth industries in North America and Western Europe. CTG also provides strategic staffing services for major technology companies and large corporations. Backed by more than 50 years of experience and proprietary methodologies, CTG has a proven track record of reliably delivering high-value, industry-specific staffing services and solutions to its clients. CTG has operations in North America, Western Europe, and India.

CTG's greatest asset is its people, and as such, we are committed to providing employees programs and processes to support their performance, hone their skills, and advance in their careers. This commitment is reflected by CTG being named a Best Places to Work in Healthcare company by Modern Healthcare (2013-2016) in North America, and a Best Workplace in the United Kingdom (2013), Belgium (since 2007), and Luxembourg (since 2011).

CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws.

CTG is an Equal Opportunity/Affirmative Action Employer and strong advocate of workforce diversity. Minority/Female/Sexual Orientation/Gender Identity/Disability/Veteran.

Job: Technology & Healthcare IT