Senior Application Support Engineer — On-Call & DR Readiness

DHL Supply Chain; Westerville (OH); On-site; Confidential; Full time

Job summary

DHL Supply Chain in the United States is seeking a Senior Application Support Engineer to implement and support enterprise software applications, manage changes, and ensure high availability. You will work with vendors and developers to resolve complex issues, participate in disaster recovery drills, and help maintain system integrity across distributed environments.

The role requires strong SQL, RESTful API, and scripting skills, plus WMS experience and ITIL-aligned processes.

Qualifications

• Bachelor’s Degree or 5+ years of IT experience are required.
• Experience with iSeries/AS400 or similar tools is required.
• Experience supporting Manhattan WMi or similar WMS platforms is required.
• Proficiency in SQL, incident management platforms (e.g., ServiceNow), and cloud-native architecture is required.
• Familiarity with RESTful APIs, JSON, OAuth, and scripting (Python, PowerShell, Bash) is preferred.
• Relevant certifications (ITIL, Oracle, IBM, Microsoft) are preferred.

Responsibilities

• Resolves production support issues in a timely manner, including during non-business work hours.
• Participates in 24/7 on call support responsibilities including maintenance windows and disaster recovery drills.
• Analyzes and provides technical support for moderate to complex application support issues.
• Works with software vendors and developers to resolve highly complex application issues.
• Performs troubleshooting, debugging and testing of application software
• Configures and installs software and code in accordance to change management policies and procedures
• Upgrades and migrates existing applications to new versions and new infrastructure.
• Installs software patches and ensures best practices are used for software patching.
• Analyzes support issues to identify repeat issues and proactive measures to prevent reoccurrences.
• Develops and installs appropriate proactive solutions for the prevention of reoccurring issues.
• Proactively suggests ways of improving system stability, availability, performance, and reliability.
• Ensures the continuity of the business processes supported by one or many applications/services.
• Communicates effectively with application users to relay incident and problem progress and proposes creative solutions as necessary.
• Communicates effectively with manager, peers, and internal customers to relay status of work and raise challenges, concerns, questions, and issues as necessary.
• Collaborates with developers to help author standard process and support related documents.
• Understands database architecture, distributed infrastructure and various network technologies to support robust and scalable solutions for the organization.
• Conducts issue review meetings with appropriate resources.
• Establishes priorities and executes to achieve results.
• Creates software release notes, support documents, and user documentation.
• Performs simple to moderate application development tasks as needed and conforms to the relevant application development policies and procedures

Skills

SQL

RESTful APIs

JSON

OAuth

Python

PowerShell

Bash

Cloud-native architecture

Education

Bachelor’s Degree in a relevant field

5+ years IT experience

Tools

iSeries/AS400

Manhattan WMi

ServiceNow

Job description

DHL Supply Chain in the United States is seeking a Senior Application Support Engineer to implement and support enterprise software applications, manage changes, and ensure high availability. You will work with vendors and developers to resolve complex issues, participate in disaster recovery drills, and help maintain system integrity across distributed environments.

The role requires strong SQL, RESTful API, and scripting skills, plus WMS experience and ITIL-aligned processes.