Onsite Contract Database Administrator – Oracle/SQL Expert

Columbus Technologies and Services; Pasadena (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Columbus Technologies and Services is seeking a database administrator for a 6-month contract at NASA JPL in Pasadena, onsite. Must be a US citizen and pass a background check and drug screen.

The role involves administering databases, evaluating access requirements, and ensuring performance across Oracle, MySQL, MS-SQL, and PostgreSQL environments. Typical duties include designing database structures, monitoring performance, implementing changes, and coordinating with developers and end-users.

Qualifications

• Bachelor degree with minimum 4 years of IT experience, particularly with database administration expertise.
• Hands-on experience with Oracle, MySQL, MS-SQL and PostgreSQL in enterprise environments.
• Strong knowledge of database architecture, indexing strategies, query optimization, and execution plan analysis.
• Experience with backup and recovery methods, including snapshot-based solutions.
• Proficiency in SQL, PL/SQL, and shell scripting.
• Familiarity with application hosting middleware (WebLogic, Apache, Tomcat).
• Understanding of database security, hardening practices, and compliance requirements.
• Ability to troubleshoot complex database and application stack issues.
• Strong communication and documentation skills.

Responsibilities

• Administrates organization's database, using database management system to organize and store data.
• Typical Functions: Ascertains user requirements, creates computer databases, and tests and coordinates changes.
• Interacts with development and end-user personnel to determine application data access requirements, transaction rates, volume analysis, and other pertinent data required to develop and maintain integrated databases.
• Ensures performance of database. Excludes paraprofessional positions.
• Coordinates physical changes to computer databases; and codes, tests, and implements physical database, applying knowledge of database management system.
• Designs logical and physical databases or reviews description of changes to database design to understand how changes to be made affect physical database; i.e., how data is stored in terms of physical characteristics, such as location, amount of space, and access method.
• Establishes physical database parameters.
• Codes database descriptions and specifies identifiers of database to database management system or directs others in coding database descriptions.
• Calculates optimum values for database parameters, such as amount of computer memory to be used by database, following manuals.
• Specifies user access level for each segment of one or more data items, such as insert, replace, retrieve, or delete data.
• Specifies which users can access databases and what data can be accessed by user.
• Tests and corrects errors, and refines changes to database.
• Enters codes to create production database.
• Selects and enters codes of utility program to monitor database performance, such as distribution of records and amount of available memory.
• Directs programmers and analysts to make changes to database management system.
• Reviews and corrects programs.
• Answers user questions.
• Confers with co-workers to determine impact of database changes on other systems and staff cost for making changes to database.
• Modifies database programs to increase processing performance, referred to as performance tuning.
• Workers typically specialize in one or more types of database management systems.
• May train users.

Skills

Oracle

MySQL

MS-SQL

PostgreSQL

PL/SQL

Shell scripting

WebLogic

Apache

Tomcat

Security/compliance

Education

Bachelor's degree in IT / Computer Science

Tools

WebLogic

Apache

Tomcat

Job description

Columbus Technologies and Services is seeking a database administrator for a 6-month contract at NASA JPL in Pasadena, onsite. Must be a US citizen and pass a background check and drug screen.

The role involves administering databases, evaluating access requirements, and ensuring performance across Oracle, MySQL, MS-SQL, and PostgreSQL environments. Typical duties include designing database structures, monitoring performance, implementing changes, and coordinating with developers and end-users.