Database reliability engineering

Your data,
always on.

Sumazk builds and manages the infrastructure and database platforms that banks, fintechs and enterprises depend on every day, from SQL Server and Oracle to PostgreSQL and MySQL, on‑premises or in the cloud.

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  • High availability & disaster recovery
  • 24/7 managed DBA
  • Senior engineers only
HQ · HEAD OFFICE DR SITE PRIMARY Node 1 · read/write REPLICA Node 2 · in sync REPLICA Node 3 · DR AVAILABILITY GROUP HEALTHY

Platforms we run

  • Microsoft SQL Server
  • Oracle
  • PostgreSQL
  • MySQL
  • MariaDB
  • Azure
  • AWS
  • Windows Server
  • Linux

Services

Everything your database infrastructure needs to stay fast, safe and online.

Pick a single project or hand us the whole estate. Either way you work directly with a senior engineer.

01

Managed Database Services

Proactive 24/7 monitoring, patching, backups and capacity planning. We spot problems before your users do.

  • Monitoring & alerting
  • Backup & restore testing
  • Patching & upgrades
02

High Availability & Disaster Recovery

Always On Availability Groups, failover clustering, Oracle Data Guard and PostgreSQL streaming replication, designed, built and failover‑tested.

  • HQ ↔ DR architecture
  • Failover runbooks
  • DR drills
03

Data Replication

Move and sync data reliably between systems and sites, and automate the routine DBA work that eats your team's time.

  • Replication & CDC
  • Job automation
  • Scripting & PowerShell
04

Performance Tuning & Health Checks

Find the slow queries, bad indexes and configuration risks. You get a clear report, ranked by impact, and the fixes.

  • Query & index tuning
  • Configuration review
  • Security baseline
05

Cloud & Platform Migration

Upgrade old versions or move to Azure, AWS or new hardware with a tested plan and minimal downtime.

  • Version upgrades
  • On‑prem → cloud
  • Consolidation
06

DBA Cover & Consulting

Extra hands for leave, sickness or a busy quarter, or an expert second opinion before a big change.

  • Holiday & absence cover
  • Architecture reviews
  • Team mentoring

Industries

Built for organisations where downtime makes headlines.

We work to the change‑control, audit and data‑protection standards that regulated institutions expect, including CBN guidelines and the Nigeria Data Protection Act.

  • Banking & paymentsCard, switch and FEP platforms, core banking databases, reconciliation.
  • FintechFast-growing platforms that need to scale without losing a transaction.
  • TelecomsHigh-volume billing and subscriber data, around the clock.
  • Public sector & enterpriseLine-of-business systems, ERP and reporting databases.

Recent work

Database setup & management for Reliable Project Nigeria Limited

Reliable Project Nigeria Limited is an Abuja‑based provider of property and facilities management solutions. Sumazk set up the database platform behind their operations and manages it for them, keeping their business data available, secure and well looked after.

Client
Reliable Project Nigeria Limited
Sector
Property & facilities management
Location
Abuja, Nigeria
Service
Database setup & ongoing management

How we work

A clear path from risk to resilience.

  1. 01

    Assess

    We review your estate, workloads and risks, and agree what “good” looks like.

  2. 02

    Design

    A written plan: architecture, timeline, requirements and success criteria. No surprises.

  3. 03

    Implement

    Built and proven in test first, then delivered in production under your change control.

  4. 04

    Run & improve

    Handover with runbooks and a live demo, or we stay on to run it for you.

Engagements

Three simple ways to work with us.

Fixed, transparent pricing agreed up front. All work is delivered online.

Health Check

Fixed fee · 1–2 weeks

A deep review of one or more database servers with a prioritised fix list.

Request a health check

Project

Fixed scope · weeks

HA/DR builds, migrations, upgrades and replication, planned, tested and handed over.

Scope a project

Managed Service

Monthly retainer · rolling

Your outsourced DBA team: monitoring, maintenance and support, 24/7.

Discuss managed service

About Sumazk

Senior expertise, without the big‑consultancy overhead.

Sumazk Technology (8828294) is a Lagos‑based technology company that focuses on infrastructure and database platform engineering. We exist for one job: keeping the data that runs your business available, fast and secure.

Every engagement is led by an experienced database engineer. The person who scopes your project is the person who delivers it.

  • Direct access to senior engineers
  • Written plans and success criteria before work starts
  • Test‑first changes, with runbooks and handover
  • Fully online delivery across Nigeria and beyond

Contact

Tell us about your databases.

A free 30‑minute call with an engineer. We'll tell you honestly where your biggest risks are.

We reply within one business day.