Principal System Support Specialist

The Principal System Support Specialist is responsible for providing advanced, proactive system administration and infrastructure support within data center environments. The role focuses on maintaining and improving system availability, performance, and security for critical infrastructure services supporting Business Units in the United States and globally. This position plays a key role in preventing outages, supporting operations, and ensuring infrastructure components meet defined standards and acceptance criteria., + Perform proactive maintenance and administration of computer hardware, software, operating systems, and operational tools to support IT service delivery.

• Improve system availability through preventive actions aimed at avoiding outages and performance degradation.

• Provide expert-level support for infrastructure services used by Operations, including operating systems such as Linux, HP-UX, and AIX .

• Administer and support operations and monitoring tools such as HP Operations Manager / OpenView Operations and HP Insight Manager .

• Collaborate with Project Management teams to ensure infrastructure components meet acceptance criteria and required quality standards before go-live.

• Work closely with 1st and 3rd level support teams, maintaining strong professional relationships and effective escalation flows.

• Participate actively in vulnerability management, risk management , and security-related initiatives.

• Support automation initiatives and contribute through shell scripting and operational efficiency improvements.

• Provide strong troubleshooting, root-cause analysis, and performance optimization for complex system issues.

• Support Business Units globally, ensuring systems are secure, stable, and available to meet business and customer needs.

• Operate effectively under pressure during incidents or critical situations, ensuring timely resolution and communication.

• Bachelor's degree in Computer Science, Computer Engineering, or equivalent engineering experience.

• 5+ years of experience in Unix system administration and infrastructure support within data center environments.

• Strong hands-on experience with:

• UNIX/Linux operating systems (Linux, HP-UX, AIX)

• Shell scripting and automation initiatives

• Veritas VCS, Veritas Volume Manager, and Veritas File Systems

• Knowledge of standard IT service management processes, including:

• Problem Management

• Change Management

• Solid understanding of infrastructure monitoring and operations tools.

• Strong technical troubleshooting and performance analysis skills.

• Proven ability to work in global, enterprise-scale environments.

Soft Skills & Competencies

• Strong teamwork and collaborative work ethic.

• Excellent communication skills and ability to build relationships across teams.

• High sense of ownership, accountability, and service orientation.

• Ability to work effectively under pressure and manage critical incidents.

• Proactive mindset focused on system stability, security, and continuous improvement.

With a global team of 5600+ IT professionals, DHL IT Services enables DHL to connect people and keep the global economy running by continuously innovating and creating sustainable digital solutions. We work globally beyond borders and push boundaries across all dimensions of logistics. You'll shape the technological backbone of the biggest logistics company of the world. All our offices have earned #GreatPlaceToWork certification, reflecting our commitment to exceptional employee experiences., At DHL IT Services, you will be part of a global technology organization supporting one of the world's leading logistics companies. You will work with skilled professionals, modern infrastructure, and mission-critical systems that enable our Business Units to operate efficiently, securely, and profitably-delivering exceptional service to our customers worldwide.