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Application Administrator

R.W. Mercer Co.

Biloxi, Mississippi

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JOB DETAILS
SKILLS
Administrative Skills, Analysis Skills, Application Integration, Application Programming Interface (API), Business Solutions, Computer Science, Detail Oriented, Diploma of Information Technology (General), Documentation, Enterprise Applications, ITIL (IT Infrastructure Library), Identify Issues, Information/Data Security (InfoSec), Linux Operating System, Maintain Compliance, Microsoft Product Family, Microsoft SQL Server, Microsoft Windows Server, Middleware, MySQL, Oracle, Oracle Database, Performance Analysis, Problem Solving Skills, Process Improvement, Python Programming/Scripting Language, Salesforce.com, Scripting (Scripting Languages), Security Compliance, Software Administration, Software Patches, System Integration (SI), Systems Administration/Management, Systems Maintenance, Team Player, Testing, Windows PowerShell
LOCATION
Biloxi, Mississippi
POSTED
2 days ago

We are seeking a detail-oriented and technically proficient Application Administrator to manage, maintain, and optimise enterprise applications. This role is responsible for ensuring application availability, performance, security, and user support across business systems.

The ideal candidate has experience with application lifecycle management, system configuration, and troubleshooting in a dynamic IT environment.

Key Responsibilities

  • Install, configure, and maintain business applications and systems
  • Monitor application performance, uptime, and reliability
  • Troubleshoot and resolve application-related issues and incidents
  • Manage user access, roles, and permissions
  • Perform system updates, patches, and upgrades
  • Collaborate with vendors and internal teams to resolve technical issues
  • Maintain documentation for configurations, processes, and procedures
  • Support integration between applications and other systems
  • Ensure compliance with security policies and data protection standards
  • Assist in testing and deployment of new features or applications

Qualifications

  • Degree or diploma in Information Technology, Computer Science, or related field (or equivalent experience)
  • 2–5+ years of experience in application support or administration
  • Experience with enterprise applications (ERP, CRM, HR systems, etc.)
  • Familiarity with databases (SQL Server, Oracle, MySQL)
  • Understanding of system integrations, APIs, and middleware
  • Knowledge of Windows/Linux server environments
  • Strong troubleshooting and analytical skills

Core Competencies

  • Application Management & Support
  • System Configuration & Optimisation
  • Problem-Solving & Troubleshooting
  • Documentation & Process Improvement
  • Security & Compliance Awareness
  • Communication & Collaboration

Preferred Qualifications

  • Experience with cloud-based applications (Azure, AWS, SaaS platforms)
  • Certifications in relevant systems (Microsoft, Oracle, Salesforce, etc.)
  • Familiarity with ITIL framework or service management tools
  • Basic scripting knowledge (PowerShell, Python, etc.)

Benefits

  • Competitive hourly compensation
  • Flexible remote or hybrid working arrangements
  • Opportunities for professional development and certifications
  • Exposure to enterprise-level systems and technologies
  • Supportive and collaborative work environment

About the Company

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R.W. Mercer Co.