Senior Mainframe Database Administrator

Smart Tech Skills LLC

Tallahassee (FL)

On-site

USD 120,000 - 160,000

Full time

7 days ago

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Job summary

Smart Tech Skills LLC seeks a Senior Database Administrator to support planning, design, and maintenance of enterprise databases across DB2 for z/OS, Oracle, SQL Server, and GIS platforms. The role emphasizes DB2 for z/OS expertise, mainframe experience, security, and disaster recovery.

Onsite in Tallahassee, FL, with senior leadership responsibilities. The ideal candidate will have deep DB2 for z/OS experience, strong performance tuning skills, and the ability to lead architecture discussions

Qualifications

Bachelor's degree or equivalent experience in CS/IS or related field.
15+ years of combined database administration experience.
Expert-level DB2 for z/OS, Oracle 10g+ and SQL Server 2008 R2+.
Strong experience in database design, administration, performance tuning, disaster recovery, security, and infrastructure planning.
Experience supporting enterprise production environments.

Responsibilities

Perform daily database administration and operational support activities across platforms.
Manage and support DB2 for z/OS, Oracle, SQL Server, and GIS databases.
Monitor database health, availability, and performance; troubleshoot complex issues.
Design, develop, and optimize enterprise database architectures and schemas.
Support enterprise data warehousing and modernization initiatives and document procedures.
Mentor and lead junior database and technical staff; collaborate with developers and infra teams.

Skills

DB2 for z/OS

Oracle DBA

SQL Server DBA

Database Design

Performance Tuning

Disaster Recovery

Security & Compliance

Mainframe Knowledge

JCL

RACF

Education

Bachelor's Degree in CS/IS or related field

15+ years combined DB Admin experience

Tools

DB2 Monitoring Tools

SSMS

ISPF

CICS

COBOL

z/OS

Job description

Location

Location: Onsite - Tallahassee, FL
Experience Level: Senior/Lead Level (15+ Years)

Position Overview

The Senior Database Administrator will support the planning, design, administration, optimization, and maintenance of enterprise database environments across DB2 for z/OS, Oracle, SQL Server, and GIS platforms. This role is responsible for ensuring database architectures, schemas, data dictionaries, and processing environments align with departmental standards, security requirements, and enterprise data strategies.

The ideal candidate will possess deep expertise in DB2 for z/OS administration, strong mainframe experience, and advanced knowledge of database performance tuning, disaster recovery, infrastructure planning, and enterprise application support.

Key Responsibilities

Database Administration & Operations

Perform daily database administration and operational support activities.
Manage and support DB2 for z/OS, Oracle, SQL Server, and GIS databases.
Monitor database health, availability, and performance.
Troubleshoot and resolve complex database and infrastructure issues.
Ensure database environments comply with AST security standards.

Database Design & Architecture

Assist in designing, developing, and optimizing enterprise database architectures.
Develop and maintain database schemas, data structures, and data dictionaries.
Support enterprise data warehousing and database modernization initiatives.
Participate in technical infrastructure planning and implementation efforts.

Performance Tuning & Optimization

Monitor and optimize database performance across all supported platforms.
Analyze database workloads and recommend tuning improvements.
Utilize database monitoring tools to identify and resolve bottlenecks.
Conduct SQL code reviews and performance assessments.

Mainframe Database Administration

Administer and support DB2 for z/OS environments.
Perform DB2 upgrades, catalog maintenance, and subsystem recovery activities.
Support DB2 integration with enterprise applications.
Manage point-in-time recovery, backup, and disaster recovery processes.
Support JCL, RACF, CICS, ISPF, IOF, and z/OS infrastructure.

Documentation & Standards

Develop and maintain database administration procedures and operational documentation.
Establish standards, best practices, and quality assurance controls.
Support change management and verification testing activities.
Maintain technical documentation for production and disaster recovery environments.

Leadership & Knowledge Transfer

Mentor and train junior database and technical staff.
Provide technical leadership on database-related initiatives.
Collaborate with application developers, analysts, project managers, and infrastructure teams.
Support enterprise architecture and strategic planning initiatives.

Required Qualifications

Bachelor's Degree in Computer Science, Information Systems, or related field, or equivalent experience.
15+ years of combined database administration experience.
Expert-level experience with:
- DB2 for z/OS
- Oracle 10g and above
- SQL Server 2008 R2 and above
Strong experience in:
- Database Design
- Database Administration
- Performance Tuning
- Disaster Recovery
- Database Security
- Infrastructure Planning
Experience supporting enterprise production environments.