DATABASE ADMINISTRATOR SENIOR

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Database Management, Mainframe Technologies, Open Systems, Structured Query Language (SQL) Development

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

No

Job Description:

DATABASE ADMINISTRATOR SENIOR

Advance how our customers operate while you advance your career. Join GDIT as a Database Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT:

As a Database Administrator Senior, the work you’ll do at GDIT will be impactful to support the New York State (NYS) Department of Heath Medicaid Management Information System (MMIS) program.

You’ll join our talented Architecture Team with oversight of the information architecture. You will play a crucial role in the planning strategic direction and define the guiding principles that shape our software, data and technology adoption practices. Will be a part of the DBA team supporting the NYS MMIS. You will be responsible for the maintenance and support of multiple high volume multi-terabyte DB2 LUW, PostgreSQL, MongoDB and DB2 z/OS databases. You will work with the development team to understand requirements and create structures to accommodate them. Also responsible for trouble shooting and database and SQL performance tuning.  

WHAT YOU WILL NEED TO SUCCEED:

Bring your technology expertise and drive for innovation to GDIT. The Database Administrator Senior must have:

• Education: Bachelor’s degree in Computer Science or a related field preferred
• Required Experience: The position requires 3+ years of database experience in a distributed environment; Mainframe and Open Systems are required.

• Required Technical Skills:
  • Strong SQL proficiency and hands-on database administration experience
  • Performance tuning and optimization (indexing strategy, query tuning, execution plan analysis)
  • Database backup and recovery design and execution
  • High availability and disaster recovery (HA/DR) configuration and support
  • Monitoring, alerting, and capacity planning for production databases
  • Scripting for automation (SQL, Bash, or Python)
  • DB2 (LUW) administration experience, including:
    • DB2 HADR configuration and management
    • Tablespace, buffer pool, and storage optimization
    • Backup/restore operations using db2backup/db2restore
    • Performance troubleshooting via db2pd, snapshot monitors, db2expl

• Required Skills and Abilities:
  • Ability to design, implement, and maintain secure database environments
  • Understanding of RBAC, least-privilege access, and secure authentication practices
  • Experience with patching, vulnerability remediation, and secure configuration baselines
  • Strong analytical and troubleshooting skills, including root-cause analysis
  • Ability to create clear documentation and operational runbooks
  • Ability to collaborate effectively with developers, DevOps/SRE, and security teams
  • Ability to work effectively in fast-paced environments and participate in on-call rotations
  • Strong ownership mindset and commitment to database reliability and performance
  • Experience in a high-volume mission critical environment with strict performance Service Levels 
• Preferred Skills:
  • Experience with monitoring and observability platforms (Prometheus, Grafana, ELK/EFK)
  • Airflow or other workflow orchestration tools (e.g., Prefect, Dagster)
  • Advanced database security practices:
    • Audit logging, database activity monitoring
    • Data masking, tokenization, field-level encryption
    • Key management (KMS/HSM), certificate rotation
    • Understanding of compliance frameworks (HIPAA, NIST800)
  • Experience with event streaming and CDC
  • Exposure to DB2 pureScale or advanced clustering architectures
  • Advanced MongoDB experience (sharding, advanced performance tuning)
  • MongoDB administrative experience, including replica sets, indexing, query tuning, basic security configuration, and backup/restore
  • Managing database disaster recovery
  • Experience with healthcare claims processing desirable

GDIT IS YOUR PLA