Senior Database Administrator
AI summary
Paystack is hiring a Senior Database Administrator to own database architecture, performance, and reliability for mission-critical payment systems. The role involves designing scalable solutions, managing migrations, implementing security policies, and leading incident response. Candidates need 5+ years of DBA experience with MySQL, NoSQL, AWS, and Infrastructure as Code tools.
- Owns end-to-end database architecture and strategy across engineering teams
- Works with MySQL, Redis, MongoDB, and AWS RDS/Aurora
- Uses Infrastructure as Code tools like Terraform for database provisioning
- Leverages AI-driven tools for anomaly detection and performance tuning
- Reports directly to the Head of Infrastructure
- Competitive compensation with 13th month bonus, equity, and full medical coverage
AI job guide
Use this guide to check salary signals, requirements, documents, application steps and safety before you apply.
AI salary guide
Source salary availableThe source lists Competitive compensation package. Confirm the final pay, benefits, contract terms and allowances directly with the employer before accepting an offer.
Can you qualify for this role?
- Required5+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, call_center, segurancaThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
- UnclearComfort with the Full-time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Senior Database Administrator evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Paystack and the role in Not specified.
- Add concrete examples related to security, call_center, seguranca, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobgurus Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
Source and safety check
- Jobgurus Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Senior Database Administrator role in security, call_center?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Paystack before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
As a Senior Database Administrator at Paystack, you will be responsible for the design, implementation, performance, and reliability of our database systems. You will work closely with product engineering, DevOps, and Data teams to ensure our databases are highly available, performant, and secure. The ideal candidate will have deep expertise in relational and non-relational database technologies, and an understanding of modern infrastructure practices including Infrastructure as Code, observability, and automation. The selected engineer will report directly to the Head of Infrastructure. You will work closely with other members of the department including members of the Devops, Observability, Security teams and quite heavily with other product engineering teams. We’ll trust you to Owns database architecture and strategy end to end, often collaborating across engineering teams. Designs and implements database solutions that are scalable, highly available, and fault-tolerant to support mission-critical payment workloads. Plans and executes database migrations, upgrades, and schema changes with minimal downtime. Builds and maintains automated database provisioning, backup, and recovery pipelines using Infrastructure as Code tools. Proactively identifies and resolves performance bottlenecks through query optimisation, indexing strategies, and capacity planning. Leverages AI-driven tools and techniques for anomaly detection, predictive performance tuning, and automated root cause analysis of database issues. Implements and manages database monitoring and alerting using tools like Prometheus and Grafana to ensure early detection of issues. Designs and enforces database security policies, including encryption at rest and in transit, access controls, and audit logging. Leads incident response for database-related outages, conducts root cause analysis, and drives postmortems to prevent recurrence. Develops and maintains disaster recovery and business continuity plans for all database systems. Tackles ambiguous, high-risk data challenges proactively and introduces new ideas to simplify complex data architectures. You’ll thrive in this role if you 5+ years of experience: as a Database Administrator or Database Reliability Engineer. Deep expertise with relational databases such as MySQL, including replication, partitioning, and high availability configurations. Solid experience: with NoSQL databases such as Redis, MongoDB,. Experience: operating databases on AWS (RDS, Aurora) or similar cloud-managed database services . Hands-on experience: with Infrastructure as Code tools like Terraform for provisioning and managing database infrastructure. Proficiency in writing scripts and automation using SQL, Python, Bash, or similar languages. Experience: with database observability using monitoring and alerting tools like Prometheus, Grafana, and CloudWatch. Experience: using AI-assisted tooling (e.g., AI-powered query advisors, LLM-based copilots, or automated performance analysers) to improve database operations and troubleshooting workflows. Strong understanding of database backup, recovery, and disaster recovery strategies. Proven ability to diagnose and resolve complex performance issues in high-throughput, low-latency transactional systems. Ability to clearly articulate, implement, and document design decisions around data modelling and database architecture. Beneficial: Bachelor's degree in Computer Science, Engineering, or a related field might be beneficial but not required. Experience: in the fintech industry or with payment processing systems, particularly with PCI DSS compliance as it relates to data storage and handling. Experience: with database change management and CI/CD for schema migrations (e.g., Flyway, Liquibase, gh-ost). Familiarity with data warehousing, analytical databases, or streaming platforms such as Kafka. Benefits: Competitive compensation package and benefits: 13th month bonus TSG Equity compensation Full medical coverage Wellbeing stipend Generous leave and sabbatical policies Hybrid working environment Smart, kind colleagues who are invested in your growth. 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