Dhananjay Kumar

Senior Consultant @ HCL Technologies Belgium

Brussel, België

Linux/OpenStack Cloud Administrator (18+) with 14+ years of experience in Linux System Administration and 5+ years specializing in OpenStack and Ceph storage. Experienced Data Center and Cloud Infrastructure Professional in managing enterprise-level physical and cloud-based systems. Proven expertise in hardware operations, team leadership, troubleshooting complex infrastructure issues, and delivering high-availability systems. Adept at overseeing installations, configurations, and escalations in high-performance computing environments.

Top functies

Consultant (Specialist)2 - 5 years

System Engineer / Administrator> 10 years

Cloud

Kubernetes

OpenStack

ETL Datawarehouse

DataStage

Systems

Linux

Miscellaneous

RedHat

Taal

Vloeiend English

English

Vloeiend

Dutch

Gemiddeld

Werkervaring

Since 2006

Senior Consultant @ HCL Technologies Belgium

01 May 2021 -

Architected and supported large-scale OpenStack telecom infrastructures of Proximus across 20+ OSP clusters, enabling seamless compute, network, and storage scalability.

OpenStack and Kubernetes Cloud Eng @ Rackspace

01 January 2020 - 01 May 2021

Managed OpenStack-based cloud infrastructures for over 100 enterprise customers, delivering installation, upgrades, troubleshooting, and high-availability configurations.

System Admin Senior Advisor @ NTT DATA Services

01 July 2014 - 01 January 2020

Managed large-scale OpenStack and Linux server environments (11,000+ systems), including provisioning, patching, and hardware lifecycle management.

Associate consultant @ HCL TECHNOLOGIES LTD

01 July 2008 - 01 July 2014

Handled UNIX operations for Global clients Dow Jones and Johnson & Johnson, providing 24X7 L3/L4 support for Linux.

IDC Engineer @ Spectranet - A Division of Punj Lloyd Ltd

01 December 2006 - 01 July 2008

Handled full-stack server configurations (Web, Mail, DNS), data center backups, and mail server security.

Opleiding

Since 2004

Computer Application @ University

01 September 2007 - 30 June 2009

Master in Computer Application (MCA)

Computer Application @ University

01 September 2004 - 30 June 2007

Bachelor in Computer Application (BCA)