DMS 2200 Database Administrator (DBA)

Position Title: DMS 2200 Database Administrator

Environment: UNISYS ClearPath OS 2200 Mainframe

Database Type: DMS 2200 (Network/Hierarchical Database)

Clearance: MBI

Location: Remote

Position Summary

The DMS 2200 Database Administrator is responsible for the administration, maintenance, performance tuning, and operational support of the DMS 2200 network database system operating on a UNISYS OS 2200 mainframe. This role supports mission-critical legacy applications, ensures data integrity and reliability, and collaborates closely with system administrators, developers, and operations teams.

Key Responsibilities

Database Administration & Maintenance

• Install, configure, and maintain DMS 2200 database structures, schemas, subschemas, and sets.
• Manage hierarchical and network database relationships, record types, and access paths.
• Perform routine database health checks, reorganization, cleanup, and optimization.
• Maintain journaling, recovery, and backup processes to ensure data integrity and system stability.
  
  

Performance Monitoring & Optimization

• Monitor database performance, identify bottlenecks, and implement tuning strategies to enhance throughput and efficiency.
• Optimize buffering, indexing, and access methods for batch and online workloads.
• Work with application teams to refine data access logic for improved performance.
  
  

Security & Compliance

• Administer user access rights, permissions, and database-level security functions.
• Ensure compliance with organizational and federal data protection standards.
• Monitor and audit database activity for security and operational consistency.
  
  

Support for Application Development

• Provide technical guidance to developers working in COBOL, ALGOL, FORTRAN, or other OS 2200-supported languages.
• Assist in designing efficient subschemas and data calls for transactional and batch applications.
• Troubleshoot database-related issues in production, test, and development environments.
  
  

Data Migration & Modernization (as applicable)

• Support data conversion efforts from DMS 2200 to relational or cloud databases when modernization projects are initiated.
• Map hierarchical/network structures to relational schemas.
• Assist with ETL extraction, transformation, and integration workflows.
  
  

System Collaboration

• Work closely with OS 2200 system administrators to coordinate updates, performance tuning, and operational scheduling.
• Participate in change control processes and maintain documentation for database configurations and procedures.
  
  

Required Qualifications

• 8 years of experience administering DMS 2200 or similar hierarchical/network database systems.
• Hands-on experience with UNISYS ClearPath OS 2200 mainframe environments.
• Strong understanding of DMS 2200 indexing, sets, subschemas, record locking, journaling, and recovery.
• Familiarity with COBOL and other legacy languages commonly used on OS 2200.
• Experience with performance analysis, debugging, and system tuning on mainframe platforms.
• Ability to troubleshoot complex database issues in production environments.
  
  

Preferred Qualifications

• Experience supporting modernization or migration projects from DMS 2200 to relational databases (Oracle, SQL Server, PostgreSQL, etc.).
• Knowledge of ETL processes and data mapping between hierarchical and relational structures.
• Background in high-availability, mission-critical operational systems in government or regulated environments.
• Strong documentation, communication, and coordination skills.
  
  

Soft Skills

• Analytical problem-solving and attention to detail.
• Ability to work independently and in cross-functional teams.
• Strong communication with both technical and non-technical stakeholders.
• Adaptability to legacy environments and modernization challenges.
  
  

About The Company

Headquartered in Leesburg, Virginia, Zenius Corporation is a HUBZone-certified small business. Zenius specializes in providing Grants Management, IT Modernization, Acquisition Management, and Financial Management services to Federal agencies. Zenius is selected by Inc 5000 as one of the fastest-growing companies in the DC Metro Area, awarded in 2025, 2024, 2021, and 2020. Zenius is also listed by Financial Times as one of the fastest-growing companies in the Americas in 2021. Zenius is an awardee of 2019 Best of Leesburg winner (Business Management Consultant category).

Benefits

Zenius Corporation is an employee-oriented company. Join us now and help us grow!

We offer a competitive benefits package that includes paid holidays and paid time off, medical insurance including health, vision, dental insurance, 401K matching, Flexible Spending Account and flexible schedules, as per business needs. We also work with our employees on training and professional certification plans that benefit the employee.

Equal Opportunity Employer

Zenius Corporation provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. Zenius complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Zenius Corporation expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.