Database Administrator

3Core Systems, Inc; Town of Florida, Northern (NY, KY); Hybrid; USD 85,000 - 110,000; Full time

Job summary

3Core Systems, Inc. is seeking a mid-level Database Administrator to maintain and support relational database systems across Linux and Windows environments.

The role emphasizes stable, available, secure, and recoverable data assets with MS SQL Server fundamentals and growth into newer DB technologies. The position is hybrid (onsite 3 days a week) in Miramar, FL, with on-call responsibilities and the opportunity to learn and implement disaster recovery procedures while collaborating with

Qualifications

• 3–5 years total DBA experience.
• 2+ years hands-on MS SQL Server experience.
• Willingness to learn new technologies.
• Working knowledge of SQL Server internals.

Responsibilities

• Maintain stable test, training, reporting, and production database environments.
• Provide on-call support and resolve issues for non-development databases.
• Participate in all phases of projects involving the database systems.
• Support application programmers with database tools, techniques, and efficient SQL.
• Plan, install, and implement programs, scripts, and tools that ease database administration and monitoring.
• Develop and maintain standards for monitoring system performance.
• Maintain backups of critical databases per disaster recovery procedures.
• Stay current on new DBMS releases to exploit new functionality.
• Coordinate and perform database upgrades, installs, and testing.
• Support daily scheduled database production jobs.
• Perform table modifications, database sizing, security, and referential integrity administration.
• Devise database reorganization and tuning strategies for optimal performance.

Skills

SQL Server administration

Problem solving

Independent workload management

Communication

Tools

Linux

Windows

Shell scripting

Cron jobs

Containerization

Disaster recovery

Job description

Miramar Beach, United States | Posted on 09/08/2026

Location: Miramar, FL (Hybrid – 3 Days a weekonsite)

Onsite: M–T, R emote Fridays

Contract -To- Hire

Note: only local candidates will be considered.

Seniority: M id— a "go-getter" eager to learn

• Workingknowledge of MS SQL Server
• Attitude/aptitudeprioritized over tenure — willingness to learn is key
• Sybase — notrequired; client is decommissioning it, target Q2 next year

SUMMARY

Our client is seeking aDatabase Administrator to maintain and support relational database systemsacross Linux and Windows environments. This role owns the efficient, effectivemanagement of the organization's electronic data, keeping databases highly available,stable, secure, and recoverable. This is a mid-level opportunity — ideal forsomeone with solid MS SQL Server fundamentals and a strong desire to grow intonewer, distributed database technologies.

RESPONSIBILITIES

• Maintain stable test, training, reporting, and production databaseenvironments.
• Provide on-call support and resolve issues for non-development databasesystems.
• Participate in all phases of projects involving the database systems.
• Support application programmers with database tools, techniques, andefficient SQL.
• Plan, install, and implement programs, scripts, and tools that easedatabase administration and monitoring.
• Develop and maintain standards for monitoring system performance.
• Maintain backups of critical databases per disaster recovery procedures.
• Stay current on new DBMS releases to exploit new functionality.
• Coordinate and perform database upgrades, installs, and testing.
• Support daily scheduled database production jobs.
• Perform table modifications, database sizing, security, and referentialintegrity administration.
• Devise database reorganization and tuning strategies for optimalperformance.
• Recommend cost-effective technical solutions during project design andimplementation.
• Prepare, execute, and document Disaster Recovery procedures; coordinatewith the Disaster Recovery team.
• Produce monthly reports on database growth and activity.
• Perform related duties as assigned.

REQUIREMENTS

• 3–5 years total DBA experience
• 2+ years hands-on MS SQL Server experience
• Curiosity and willingness to learn new technologies
• Working knowledge of SQL Server internals.
• SQL scripting, stored procedures, and triggers.
• Linux and Windows shell scripting and cron jobs for resource monitoring.
• Deploying and maintaining containerized applications.
• Network connectivity across multi-platform environments.
• Production support background in a 24x7 environment.
• Strong problem-solving and analytical skills.
• Works independently with limited supervision.
• Manages multiple assignments simultaneously.
• Collaborates well across disciplines and technical skill levels.
• Explains complex technical concepts clearly, verbally and in writing.
• Communicates tactfully with department heads, managers, coworkers, andvendors.

BONUS

• Sybase experience
• DBA experience with distributed databases; PostgreSQL and/or Cockroach DB