Haroon Zarghon
Summary
Experienced Systems Administrator with 8+ years of expertise in Hyper-Converged Infrastructures, Windows server, VMware, Linux, Storage and Networking Highly proficient in VMware, SDDC, VCF, vSAN, networking and Dell Poweredge hardware. Diligent troubleshooter, with strong communication skills to interact effectively with employees and departments various IT environments. Flexible with positive work attitude focused on producing results under tight deadlines.
Overview
10
10
years of professional experience
11
11
Certification
Work History
Senior Technical Support Engineer
Dell Technologies
05.2021 - Current
- Backline L3 support engineer for Dell VxRail Hyperconverged Infrastructure
- Resolve complex escalations from front line support, often data unavailable situations
- Collaborate with development teams to identify systemic bugs and provide software fixes
- Primarily troubleshoot VMware virtualization stack, specifically vCenter, ESXi, vSAN, & VCF
- Hardware failure/bug identification on Dell PowerEdge 13g-16g models
- Reimage of VxRail nodes via RASR tool, well versed in Dell iDRAC 8 & 9
- Reconfigure and patch VxRail Manager via CLI (SLES 15 SP2)
- Own and Drive Technical escalations with both internal escalations to IPS
- Fix stalling and broken upgrades initiated through VxRail architecture
- Redeploy corrupted vCenter instances and assist in migrating production VMs to new vDS
- Identify and solve vSAN performance issues
- Regularly on-call for federal customers to resolve production down issues after hours.
Technical Support Engineer 2
Dell Technologies
03.2019 - 05.2021
- Worked remotely with customers around the globe to troubleshoot technical issues with VxRail hardware (Dell PowerEdge, Quanta, and Phoenix servers), software (VMware ESXi, VMware vSphere, VMware NSX, VMware VDP, Dell EMC RecoverPoint), and networking (Dell, Cisco & other brands of switches)
- Collaborated with internal team resources to come to resolutions for complex situations
- Worked with Highly escalated clients to resolution with their technical issues.
Technical Support Engineer
Cisco Systems, Inc
08.2018 - 02.2019
- Performed troubleshoot of various problems associated with video conference (Point-to-Point, Multipoint, Voice, Bridges) Endpoint activations, CUCM, SIP, VCS, TMS, TMSXE, TPS, CTS, setup VoIP phones and TANDBERG Endpoints.
Technical Support Specialist
RICOH USA. Austin
07.2017 - 07.2018
- Primary responsibilities included addressing and resolving wide array of technical issues with include but not limited to Active Directory, Exchange, anti-virus/malware resolution, VoIP, switching, routing, VMware, XenApp, VPN, and user management
- Ensured optimal connectivity and permissions.
System Administrator
Department of STATE / US Embassy Afghanistan
08.2012 - 05.2017
- Managed, design, deployment, and maintenance of Windows Server environments, led elevated Active Directory operations for efficient user account management and robust security policies, and ensured the seamless monitoring and rapid response to faults and malfunctions in application and print servers
- Administer and maintain Windows Server 2012 and 2016 infrastructure for a network of 1000+ users
- Assisted in the installation, configuration, and maintenance of Linux servers.
Education
BS in Computer Science -
Diploma in Computer Science - undefined
Certified Associate in project management - undefined
Austin, Texas01.2023
Baccalaureate - undefined
01.2007
Skills
- Networking: Cisco Routing and Switching and virtual network
- Server Administration: DHCP, DNS, FTP, IIS and Storage server, SQL server, Active directory
- Operating System: Windows server 2008, 2016 2019 and Linux (Red Hat, CentOS, Ubuntu)
- Virtualization: vSphere, vSAN, NAS, SAN, NSX, SDDC, VCF, disaster recovery
- Telepresence &VOIP: (CUCM, VCS, TPS, IP phone and Tandberg/CTS endpoints setup)
- Cloud Computing: Microsoft Azure (SaaS, PaaS, IaaS)
- Kubernetes and docker containerization knowledge
- Excellent communication skills, both verbal and written
- Strong problem-solving abilities with a proven track record of troubleshooting complex issues
- Team player with leadership qualities, able to mentor junior team members and contribute to team success
- Virtualization Technologies
- Server maintenance
- Network Administration
- Technical Troubleshooting
- Issue Research
- Teamwork and Collaboration
- System Troubleshooting
- Project Management
Certification
- VMware: VCAP-DCV 2024 Deploy: VMware Certified Advanced Professional - Data Center Virtualization
- VCP-DCV 2023: VMware Certified Professional - Data Center Virtualization
- VCP-NV 2023 VMware Certified Professional - Network Virtualization
- VSAN Specialist 6.7, vSAN 8.0.
- Cisco: Cisco Certified Network Associate (CCNA)
- Microsoft: MCSA: Microsoft Certified Solutions Associate, MCP: Microsoft Certified Professional, Microsoft Azure (AZ-900, ongoing).
- CompTIA: CompTIA Hardware A+ Ce, CompTIA Network+ Ce, CompTIA Server+.
- VxRail: VxRail Xpert.
Timeline
Senior Technical Support Engineer
Dell Technologies
05.2021 - Current
Technical Support Engineer 2
Dell Technologies
03.2019 - 05.2021
Technical Support Engineer
Cisco Systems, Inc
08.2018 - 02.2019
Technical Support Specialist
RICOH USA. Austin
07.2017 - 07.2018
System Administrator
Department of STATE / US Embassy Afghanistan
08.2012 - 05.2017
BS in Computer Science -
Diploma in Computer Science - undefined
Certified Associate in project management - undefined
Baccalaureate - undefined
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