Abbas S Z

• Client: Stryker Corp
• Core Responsibilities:

Design, deploy, configure, and maintain Infoblox DDI solutions (DNS, DHCP, IPAM).

Manage and support DNS zones, records, and DHCP scopes using Infoblox Grid Manager.

Implement IP Address Management (IPAM) strategies to efficiently allocate and manage IP resources.

Perform upgrades, patches, and routine maintenance of Infoblox appliances and services.

Integrate Infoblox DDI with network management and security tools.

• Operational Duties:

Monitor and troubleshoot DDI infrastructure issues, ensuring high availability and performance.

Provide tier 2/3 support for DDI-related incidents and service requests.

Maintain DNS security via BloxOne Threat defense and ensure best practices are followed.

Create and maintain documentation including SOPs, network diagrams, and configurations.

• Project & Process Management:

Collaborate with network, security, and cloud teams to support enterprise network strategies.

Participate in migration or consolidation projects involving DDI services.

Perform capacity planning and support IPv4 address management and transition.

• Security & Compliance:

Enforce network security policies through DNS filtering and access control lists in B1TD.

Ensure DDI configurations comply with industry standards and audit requirements.

Conduct regular assessments of DDI infrastructure to identify and mitigate risks.

• Activities & Achievements:

Deployed and managed enterprise-wide Infoblox DDI infrastructure across multi-site networks.

Implemented automated IP address & Hostname create/remove/modify DNS mapping on Infoblox IPAM collaborating with Service-Now & Automation teams.

Administered DNS and DHCP services including zone file management, failover configurations, and RPZ policies.

Integrated Infoblox Grid with cloud based security solution(B1TD) to manage external DNS traffic.

Conducted performance tuning, patching, and Grid upgrades(NIOS & Hotfix) while minimizing downtime.

Led DNS/DHCP migration projects from legacy systems to Infoblox with zero service disruption.

Company Overview:

• Client: Broadcom
• As a network admin, Responsible for supporting users, responding to incidents & support L3 Team.
• Managing organization's LAN infrastructure and performance.
• Assisting users on their LAN issues and requirements across 3 sites based on Wolken tickets.
• Assisting multiple teams from Data Centre for various issues & onsite support.
• Conducting regular network performance assessments and implemented optimization strategies that reduced network downtime by 50%.
• Providing technical support to users of various types of specialized applications in the organizations.
• Commissioning and decommissioning of sites, firmware upgrade of Cisco, HP Aruba, Dell Switches & Infoblox appliances as per the requirement and standard.
• Network Monitoring with Spectrum, Solarwinds, NetMRI & UIM.
• Responding to incidents globally and engaging with TAC to get RCA.
• As an SME for Infoblox, taking responsibilities of all the infoblox appliances & regularly monitoring the alerts & health status.
• Support ISP team on calls for Link upgrades or any changes on WAN.
• Representing the team in weekly TRM calls for any Minor/major changes on the network.
• Preparing Knowledge based articles for the teams to for regular issues & post in the Wolken.
• Preparing the architecture/diagram in Lucidchart for Sites & DCs.
• Hands-on experience in Cisco, Aruba, and Dell Switches & knowledge on Palo-Alto firewalls.
• Hands-on experience with monitoring, network diagnostic and network analytics tools.
• Arranging and managing the vendor support as per the organization's requirements across the sites.
• Assisting local WPS & CBRE team for Annual or planned maintenance scheduled in the sites.
• Maintaining 'Clean policy' for our server rooms & regularly monitoring health/temperature for all the devices.

Company Overview:

• Client location, Broadcom Inc., Yishun, Singapore
• Client location, Broadcom Inc., Yishun, Singapore

Company Overview:

• Client location, Broadcom Inc., Electronic city phase I, Bengaluru
• Client location, Broadcom Inc., Electronic city phase I, Bengaluru

Company Overview:

• Client: Ironmountain
• As a Network Engineer, Responsible for supporting Infra Team network and responding to incidents.
• Monitored network performance and uptime and responded quickly to incidents.
• To ensure any incident and service request is fully recorded, managed, and tracked for the resolution in ServiceNow.
• Maintain and prepare weekly and monthly checklist and report for the various projects.
• Troubleshooting network issues - Port issues, VLAN configuration, Port Ether Channel Configurations, IOS issues, link speed and Bandwidth issues.
• Interacted with customers for technical support, liaising with field technicians & field service coordinators to troubleshoot and resolve network related issues (Level 1/Level 2).
• Change process for Network changes which include configuration, decommission, up-gradation, service improvement of Network and devices.
• Support ISP team on calls for Link upgrades or any changes on WAN.
• Joining migration calls for making access to the Super access site for /24 to /22 or /21 by installing a new L3 switch or a Router and configuring it as per the requirement.
• Upgrading switches based on the vulnerabilities or bugs reported with the recommended versions.
• Policy pushing on Firewalls (Cisco ASA & Checkpoint) in b/w mentioned Source & Destination as per the user requirement within Change control.
• Blocking/Unblocking domains in McAfee WGW and Infoblox.
• Commissioning & Decommissioning the VIP/Pools in F5 LB.
• Reaching Vendor for technical support if issue is in high escalation & unknown state.
• If the device is found to be faulty then it needs to be RMA'd according to the support Contract/Warranty/SLA.
• Representing the team in change, incident and problem management calls and managing request queues.
• Performing analysis of events/incidents and providing remediation suggestions to relevant owners.
• Proactively identifying gaps, risks & issues and escalating to management accordingly.
• Participating in on-call rotation (24/7 support for 1 week, on a 5 week cycle).
• Translating complex, technical concepts into easily understood terms.
• Preparing SOPs for the issues or activities for the future reference.