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Aptonet · 1 month ago

Senior Database Administrator (No C2C)

Washington, DC

Contract

Onsite

Senior Level

$55/hr - $60/hr

Aptonet is seeking a Senior Database Administrator responsible for the installation, configuration, maintenance, and performance tuning of Microsoft SQL Server databases. The role involves ensuring the security, availability, and reliability of database systems while managing enterprise-level open-source database systems and collaborating with various teams to optimize database performance.

Enterprise SoftwareInformation TechnologyStaffing AgencyTraining

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

Position is required to be full-time onsite at DOT HQ, Washington DC

Assist in driving, standardizing, and managing unified configuration management database

Install and configure Microsoft SQL Server instances and tools (SSMS, SSRS, SSIS, SSAS). Set up new databases, servers, and related infrastructure. Manage SQL Server clustering, replication, and high availability solutions

Monitor and maintain database performance, integrity, and security

Perform regular database maintenance tasks (index optimization, statistics updates, consistency checks)

Plan and perform database upgrades, patches, and migrations

Troubleshoot database errors, bottlenecks, and performance issues

Analyze query execution plans and optimize SQL queries

Monitor system performance using tools like SQL Profiler, Extended Events, and Performance Monitor

Identify and resolve slow-running queries or deadlocks

Manage user accounts, roles, and permissions to maintain data security

Audit database activities and log changes

Maintain detailed documentation of database environments, configurations, and changes

Generate reports for performance metrics, growth trends, and usage statistics

Qualification

Microsoft SQL ServerOracle Database AdministrationAzure MigrationPerformance TuningLinux Shell ScriptingDatabase Security SolutionsAWS RDSDatabase DocumentationOn-Call SupportTeamwork

Required

Candidate must be a U.S. citizen or green card holder who has resided in the U.S. for at least 3 years and the ability to obtain a public trust

This role is responsible for the installation, configuration, maintenance, and performance tuning of Microsoft SQL Server databases

They ensure the security, availability, and reliability of database systems that support business applications and data needs

This role also prioritizes the ongoing maintenance of enterprise-level open-source database systems

Lastly, it ensures the stability, reliability, scalability, and security of mission-critical data platforms that support business operations and analytics

The ideal candidate will have extensive hands-on experience managing large, high-availability MySQL and PostgreSQL environments—both on-premises and in the cloud

Position is required to be full-time onsite at DOT HQ, Washington DC

Assist in driving, standardizing, and managing unified configuration management database

Install and configure Microsoft SQL Server instances and tools (SSMS, SSRS, SSIS, SSAS)

Set up new databases, servers, and related infrastructure

Manage SQL Server clustering, replication, and high availability solutions

Monitor and maintain database performance, integrity, and security

Perform regular database maintenance tasks (index optimization, statistics updates, consistency checks)

Plan and perform database upgrades, patches, and migrations

Troubleshoot database errors, bottlenecks, and performance issues

Analyze query execution plans and optimize SQL queries

Monitor system performance using tools like SQL Profiler, Extended Events, and Performance Monitor

Identify and resolve slow-running queries or deadlocks

Manage user accounts, roles, and permissions to maintain data security

Audit database activities and log changes

Maintain detailed documentation of database environments, configurations, and changes

Generate reports for performance metrics, growth trends, and usage statistics

Oracle and SQL Certified

Proficient in SQL Cluster, Always-On Cluster, On-premises to Azure Migration

Experience with Azure Managed Instance, SQL STIG (Security Technical Implementation Guides), Transparent Data Encryption (TDE)

Strong knowledge and experience in SQL Server and Oracle database administration, including installation, configuration, optimization, and maintenance

Expertise in managing SQL Server instances (2019/2017/2016/2014/2012) and Oracle databases on various platforms, including VMWare, Azure (IaaS/PaaS), and on-premises

Experience with Oracle RAC, Oracle Enterprise Manager, RMAN backups, Oracle Data Guard, and setting up Oracle RAC on Windows

Proficiency in Linux shell scripting and experience with AWS RDS and EC2-based databases

Ability to troubleshoot performance issues, analyze SQL execution plans, and optimize database performance

Experience with database security solutions, including Transparent Data Encryption (TDE) and Oracle STIG compliance

Knowledge of AWS concepts required for performing DBA operations on AWS cloud

Experience with DR testing, making recommendations, and providing on-call support

Preferred

Experience supporting a 24x7 operations environment

Deploy and manage SQL Server on various platforms, including VMWare, Azure (IaaS/PaaS), and on-premises

Build and manage Azure managed instances and Azure managed databases

Facilitate database migration from on-premises environments to Azure and execute SQL database upgrades, migrations, backups, and restores

Administer user access by provisioning SQL logins and users based on project requirements

Configure and troubleshoot database Always-on availability groups (AG) and AG-related issues

Implement and troubleshoot database mirroring solutions, database log shipping setups, and database transaction replication configurations

Manage SQL clusters, resolve cluster-related issues, and monitor database conditions

Proactively rebuild indexes and perform routine maintenance tasks

Utilize monitoring and performance tuning skills to schedule automated activities, including database health checks, disk space monitoring, job alerts, index monitoring, and statistics tracking

Configure database mail for SQL job alerts

Install and configure SQL Server Reporting Services (SSRS)

Apply Service Packs to SQL Server versions (2008R2, 2012, 2016, 2017, 2019, 2022) and patches to Windows Server versions (2003, 2003 R2, 2012, 2019, 2022)

Install Oracle binaries and configure new Oracle databases on Linux / Windows

Apply Quarterly Oracle Patches on Oracle databases running on Linux / Windows

Troubleshoot Oracle database performance issues, providing RCA reports

Analyze and optimize SQL execution plans for slow SQL

Configure Oracle Enterprise Manager, set up database monitors using OEM and custom shell scripts

Configure Oracle RMAN backups and Oracle database recovery

Experience using Oracle Data Guard on 19c

Setting up Oracle RAC on Windows

Experience testing DR solutions and making recommendations

Supporting DBA on-call tasks on a rotation basis

Demonstrates teamwork and is available for On-Call Support

Mandatory participation in monthly database patching