Database Administrator (DBA)

Job Title: Database Administrator (DBA)

Department: Tech
Location: Cyprus / Serbia / Armenia / India
Employment Type: Full-time

About SiGMA Group

Founded in 2014 and headquartered in Malta, SiGMA Group now employs over 250 professionals across six global offices, including Malta, Cyprus, Serbia, São Paulo, Manila, and India. SiGMA is a global leader in gaming, emerging tech, affiliate marketing, events, and media, best known for its marquee summits like SiGMA Malta and iGaming Academy. The company’s culture champions inclusivity, sustainability, collaboration, and philanthropic impact under its SiGMA Foundation initiative

About the role 

The Database Administrator (DBA) is responsible for the design, implementation, maintenance, and optimisation of Sigma Group’s database systems that support global events, digital platforms, and iGaming‑related services. This role ensures that data is secure, reliable, performant, and available to support analytics, AI initiatives, and mission‑critical event operations.

The ideal candidate combines deep technical expertise with a proactive approach to automation, monitoring, and continuous improvement. They will play a key role in preparing the organisation’s data infrastructure for AI adoption and supporting the development of AI‑powered products and services.

Key Responsibilities  

Database Administration & Maintenance

• Installs, configures, and maintains relational and non‑relational database systems across production, staging, and development environments.
• Monitors database performance, identify bottlenecks, and implement tuning strategies.
• Manages database backups, recovery procedures, and disaster‑recovery planning.
• Ensures high availability and resilience of databases supporting event platforms and iGaming systems.

Security, Compliance & Data Integrity

• Implements and enforces database security policies, access controls, and encryption standards.
• Ensures compliance with data‑privacy regulations and responsible‑gaming requirements where applicable.
• Maintains data integrity through validation, auditing, and monitoring processes.
• Collaborates with security teams to embed secure‑by‑design principles into database operations.

Automation & Operational Efficiency

• Develops automated processes for database provisioning, patching, monitoring, and maintenance.
• Introduces AI‑assisted tools for anomaly detection, performance optimisation, and automated diagnostics.
• Supports DevOps and DataOps practices to streamline deployments and improve operational efficiency.

AI Tooling & AI‑Ready Data Support

• Prepares and optimises databases for AI and machine learning workloads.
• Collaborates with data scientists and data engineers to ensure data availability, quality, and structure for model training and inference.
• Supports AI‑enabled products and services such as:
  • personalised event recommendations
  • predictive analytics for attendee behaviour
  • automated content insights for exhibitors and partners
• Ensures AI‑related data pipelines and storage systems are performant and scalable.

Events & iGaming Platform Support

• Ensures databases can handle high‑traffic spikes during major events, tournaments, and promotional campaigns.
• Supports real‑time data ingestion and reporting for event engagement, exhibitor interactions, and iGaming‑specific metrics.
• Collaborates with event operations to ensure database readiness for live and hybrid events.

Collaboration & Cross‑Functional Support

• Works closely with engineering, product, data, and platform teams to support database needs across the organisation.
• Provides guidance on database best practices, query optimisation, and schema design.
• Supports business stakeholders with data access, reporting, and troubleshooting.

Qualifications 

Key Skills & Competencies

• Strong proficiency with SQL and major database platforms (e.g., PostgreSQL, MySQL, SQL Server, Oracle)
• Experience with NoSQL databases (e.g., MongoDB, DynamoDB, Redis)
• Knowledge of cloud‑based database services and architectures
• Familiarity with AI/ML data requirements and AI‑assisted database tools
• Strong understanding of performance tuning, indexing, and query optimisation
• Excellent problem‑solving and analytical skills
• Ability to communicate effectively with technical and non‑technical teams
• Experience with event‑driven or iGaming data environments is a plus

Preferred Experience

• Educated to degree level in a numerate or technical discipline, Masters preferred.
• 5–7+ years of technical experience in database administration, data engineering, or related fields
• 1–2+ years of management or mentorship experience, such as leading projects or guiding junior DBAs
• Experience supporting high‑availability, high‑traffic systems in production environments
• Proven track record of implementing automation and performance‑tuning strategies
• Experience introducing AI tooling or supporting AI‑enabled product development
• Background working with distributed or hybrid teams

Why SiGMA Group?

• Grow with us - Be part of SiGMA’s global expansion and make your mark.
• Free iGaming Academy access -Learn the ins and outs of the industry with access to courses.
• Travel perks - Visit our international offices and attend industry events worldwide.
• Performance rewards - High performers are recognized and fast-tracked with annual reviews and bi-yearly performance checks ins.
• Interest-free car loan after probation (T&Cs apply)