Remote DBA & Platform Administration
24/7 administration, health checks, backup, recovery, capacity, and platform support.
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A3 NEXUS TECH
Database-first digital partner
Technology that keeps your business ready.
We protect, optimize, and modernize business-critical systems through secure database operations, cloud engineering, custom software, and responsive 24/7 support.
Specialist support · Practical delivery · Clear
ownership
Systems operational24/7 managed
coverage
Operations overview
● Live
Unified infrastructure health
99.99%availability target
24/7response coverage
8+service practices
✓ Backup validatedRecovery point secured
✦ORACLE✦POSTGRESQL✦MYSQL✦MICROSOFT
365✦AZURE✦AWS✦REACT✦LARAVEL
✦ORACLE✦POSTGRESQL✦MYSQL✦MICROSOFT
365✦AZURE✦AWS✦REACT✦LARAVEL
What we do
Technology services designed around business outcomes.
Explore specialist practices that work together to keep operations secure, resilient, scalable, and ready for growth.
Reliability, Monitoring & Automation
Observability, incident response, runbooks, reporting, and operational automation.
Discuss this service →Performance, HA/DR & Security
Performance tuning, disaster recovery, hardening, audit, and vulnerability review.
Discuss this service →Migration & Database DevOps
Controlled migrations, CI/CD, release automation, and traceable database change.
Discuss this service →Cloud, Microsoft 365 & Enterprise IT
Cloud databases, collaboration, security, migration, and performance testing.
Discuss this service →Software & Website Development
ERP, CRM, POS, e-commerce, business systems, websites, and analytics.
Discuss this service →Domain, Hosting & Deployment
DNS, SSL, hosting setup, release, monitoring, migration, and go-live support.
Discuss this service →Consulting, Training & Support
Architecture review, production support, knowledge transfer, and specialist training.
Discuss this service →How we deliver
A focused team with a clear method.
Every engagement moves through a controlled process designed to reduce uncertainty and produce measurable outcomes.
Discover
Understand the environment, priorities, users, and expectations.
Assess
Review architecture, performance, security, capacity, and risk.
Design
Define the target solution, controls, ownership, and success measures.
Implement
Configure, develop, migrate, integrate, or deploy through controlled change.
Validate
Test functionality, resilience, backup, and production readiness.
Operate & Improve
Monitor, document, report, support, and continuously optimize.
Technology ecosystem
Tools chosen for reliable outcomes.
Deep platform knowledge across databases, cloud, observability, automation, and digital products.
Oracle11g · 12c · 19c · 23ai
PostgreSQLAdministration & HA
MySQLPerformance & recovery
SQL ServerEnterprise workloads
Oracle CloudDatabase services
Amazon RDSManaged databases
Microsoft AzureCloud & Microsoft 365
Data Guard / RACAvailability & recovery
Python & ShellOperations automation
AnsibleRepeatable delivery
Git & CI/CDControlled releases
Grafana & ZabbixObservability
Laravel & PHPBusiness applications
React & NodeModern web products
ERP & CRMConnected operations
E-commerce & POSCustomer experiences
Life at A3 Nexus Tech
Driven by ideas, powered by people.
Meet the people whose experience, curiosity, and ownership shape every solution we deliver.
At A3 NEXUS TECH, we don’t just provide IT services—we solve real business challenges. From custom software development and database services to IT solutions and system support, we help businesses build secure, scalable, and reliable technology that improves efficiency, protects critical data, and supports long-term growth.
Shohag AhmedTeam Leader - Social Compliance & Sustainability
Partnerships built on trust
Our Satisfied Clients
Trusted by organizations that value reliable technology, clear communication, and long-term support.
Lakeshore Hospitality Group
Ready for the next stage?
Let’s make your technology work harder.
Talk to us about your database, cloud, software, website, hosting, deployment, or IT support requirement.