Senior Application Engineer

General Dynamics Information Technology•USA FL Home Office (FLHOME), FL

21h•$97,968 - $110,400•Remote

About The Position

GDIT is seeking a motivated Senior Application Engineer to support and maintain mission-critical business applications and integrations across enterprise systems, ensuring operational stability, performance, and security. This position combines application support, integration development, and platform management across an enterprise ecosystem. The ideal candidate will work closely with business stakeholders and technical teams to translate business requirements into robust technical solutions, ensuring seamless data exchange and process automation. This position requires a strong understanding of business processes, data flows, and data transformations, and be capable of troubleshooting complex issues in production environments. The role also ensures adherence to security, compliance, and data governance standards while driving continuous improvement and modernization of business applications and integrations.

Requirements

Bachelor's degree
5+ years minimum supporting business critical applications, integrations, or enterprise systems
Experience specifically working with file-based integrations (EFT/MFT), integration platforms (iPaaS, middleware), or API/web services
Hands-on experience supporting enterprise business applications, complex process flows and integrations
Strong understanding of enterprise system architecture, data structures, and integration patterns
Ability to bridge technical implementation and business processes
Experience supporting on-prem or cloud native file transfer and integration platforms
Strong troubleshooting and analytical skills
Hands-on experience supporting batch jobs, scheduled processes, and data feeds
Experience developing and supporting integrations for critical enterprise applications
Experience modernizing legacy integrations moving toward APIs/event-driven models
Strong understanding of incident, problem, and change management processes
Experience with ITSM ticketing systems (ServiceNow, Jira, etc.)
Ability to work with business users, vendors, and internal technical teams
Strong documentation, communication, and customer service skills
Ability to participate in on-call rotations and provide after-hours support when required
Strong organizational skills and attention to detail
Excellent customer service and issue resolution skills
Strong written and verbal communication skills, with the ability to explain technical issues to non-technical stakeholders

Nice To Haves

Experience supporting core business processes across Finance (accounting, planning, treasury, tax) and HR (employee lifecycle)
Proven ability to adapt to new tools and technologies

Responsibilities

Provide support for business-critical applications and integrations operations
Ensure high availability, performance, and reliability of applications, integrations and enterprise systems
Monitor system health, job execution, data flows, and respond to alerts
Partner with functional teams to troubleshoot process issues
Troubleshoot incidents, perform root cause analysis, and implement fixes
Configure and monitor batch jobs, file schedules, and dependencies
Translate business requirements into technical solutions
Design, develop and maintain integrations using file-based methods or APIs
Create and maintain data mappings between systems
Build scalable, reusable integration components that optimize workflows
Ensure data accuracy, transformation logic, and validation rules
Lead testing, deployments, and migrations
Coordinate with vendors and cross-functional teams
Maintain design and operations documentation
Identify and support continuous process improvement including AI adoption
Deliver excellent customer service to business users