Summary
Overview
Work History
Education
Skills
References
Certification
Languages
Work Availability
Work Preference
Timeline
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Dharmesh Jethva

Dharmesh Jethva

Clayton south,Australia

Summary

Detail-oriented Network Engineer with over 13 years of experience in designing and implementing secure network solutions. Known for strong analytical skills and a proven track record in enhancing network security while optimizing technology infrastructures. Committed to employing innovative problem-solving methods to tackle complex challenges and ensure safe data management for clients. Actively seeking opportunities that promote professional growth and ongoing knowledge acquisition in dynamic environments.

Overview

13
13
years of professional experience
3
3
Certification

Work History

Lead Network Engineer

CrownCastle
01.2024 - Current
  • Company Overview: Payroll – Accion Labs
  • Administered and maintained Versa FlexVNF appliances, including CGNAT, NGFW, IPSec, QoS, SLA monitoring, and URL filtering
  • Integrated with external systems such as TACACS, JUMP, SYSLOG, NTP, and PROXY to ensure seamless operations across the network
  • Managed Analytics cluster nodes and integrated them with IXIA for log monitoring in Splunk and Logstash, enabling efficient network traffic analysis and performance monitoring
  • Led the physical and scripted bootstrapping of uCPE devices, ensuring swift deployment and configuration in customer environments
  • Troubleshoot IPSec overlay connectivity between SD-WAN appliances and Versa SD-WAN controllers over various transport mediums including Internet, MPLS, and WBS
  • Stayed updated on industry trends, continuously learning about SD-WAN products, cloud resources, and firewall solutions to meet client and service provider expectations
  • Configured and troubleshot Versa FlexVNF SD-WAN appliances (e.g., Versa 100, 500, 800 series, Advantech devices) using CLI, Versa Director, and appliance contexts to optimize SD-WAN performance
  • Performed packet capture and analysis using tools such as Wireshark to troubleshoot complex network and connectivity issues in customer environments
  • Acted as the primary point of contact for customers, ensuring timely issue resolution and escalating problems as necessary
  • Collaborated with engineering teams for problem reproduction and resolution
  • Contributed to new product development, provided customer training, and helped define support processes and tools to enhance service delivery
  • Managed and performed software upgrades on Versa FlexVNF SD-WAN appliances, ensuring optimal functionality and security
  • Payroll – Accion Labs

Network Admin

Tata Consultancy Services
Pune, India
09.2015 - 03.2026
  • Company Overview: Payroll: Zack IT
  • Implemented and managed corporate and data centre devices in a ring topology, ensuring high availability and performance of network services
  • Installed and configured a wide range of enterprise network devices, including Cisco 2960, 3750, 4948, 4500, 6500, Nexus 2k, 5K, 7K, and ME3400 switches, as well as F5 BIG-IP LTM, Riverbed 5520, WLCs, and WAPs
  • Provided proactive solutions for network outages, minimizing downtime and ensuring service continuity
  • Configured and managed F5 Load Balancers, optimizing application delivery and improving load distribution
  • Utilized network management tools such as Cisco Prime, Infoblox, WUG, Spectrum, and SolarWinds to monitor, manage, and troubleshoot the network infrastructure
  • Conducted Root Cause Analysis for major outages using the 5 WHY model, identifying issues and implementing corrective actions to prevent future occurrences
  • Created RFCs (Request for Change) for network modifications and actively participated in the entire change process, ensuring adherence to change management protocols
  • Managed basic configuration and ongoing management of network firewalls to secure network perimeters and enforce security policies
  • Payroll: Zack IT

Sr. Network Implementation Consultant

Standard Charted Bank
, Malaysia
10.2020 - 10.2022
  • Company Overview: Payroll – Capgemini Services SDN BHD
  • Delivered end-to-end quality assurance for assigned network projects, ensuring adherence to engineering standards and seamless handovers to the Operations team
  • Coordinated with project leads, application support teams, and project managers to provide timely updates and resolve issues across all phases of the project lifecycle, including initiation, build, migration, and handover
  • Designed and implemented network solutions in line with approved standards, meeting stakeholder requirements and addressing risks, dependencies, and technical challenges
  • Acted as a consultant to business, development, and technology stakeholders, providing advisory services and collaborating with engineering teams to deliver high-quality internal and external connectivity solutions
  • Established influential and trustworthy working relationships with technology and business peers to improve team efficiency and drive optimal outcomes
  • Managed vendor and partner relationships to align solutions with business objectives and enhance service delivery
  • Successfully executed F5 upgrades, including LTM (Local Traffic Manager), GTM (Global Traffic Manager), and AFM (Advanced Firewall Manager) modules
  • Provided post-upgrade support to ensure seamless performance of load balancing, DNS services, and advanced firewall protection
  • Planned and executed zero-downtime migrations in collaboration with change management teams, ensuring adherence to customer schedules and minimizing business impact
  • Conducted system design documentation (SDD) preparation, testing, and implementation, ensuring compliance with organisational and security standards
  • Spearheaded the replacement of DC routers with Versa SD-WAN (CSG5000) devices equipped with NGFW features
  • Developed and implemented migration plans, achieving zero downtime during business hours with thorough planning and change board approvals
  • Payroll – Capgemini Services SDN BHD

Technical Specialist

Telstra Malaysia SDN BHD
, Malaysia
06.2018 - 10.2020
  • Acted as the primary point of contact for priority customers, providing support for network changes, hardware replacements, and installation of new network equipment, including SDWAN Velocloud, WLC, Routers, Switches, and Cisco Meraki
  • Managed vendor engagements for site visits, hardware replacements, and the installation of new network equipment, ensuring smooth execution and timely resolution of issues
  • Configure and troubleshoot WAN, LAN, and internet protocols such as HTTP, HTTPS, FTP, Telnet, SSH, and NNTP
  • Supported a range of technologies including ADSL, IPVPN, Ethernet, SDH, IPL, and VoIP
  • Coordinated on-site repairs and hardware replacement for genuine failures, working closely with the Local Loop Provider, Hardware Vendors, and the NOC team to ensure quick resolution
  • Configured and troubleshoot advanced network protocols such as Ethernet, MPLS, ADSL, SDH, and VoIP
  • Worked with Layer 3 protocols like TCP/IP, BGP, and OSPF to resolve connectivity and performance issues
  • Addressed latency, slowness, and jitter issues on Telstra-provided links including P2P, internet, ADSL, Ethernet, and VoIP circuits to optimise network performance

Technical Specialist

Tech Mahindra Pvt ltd.
Pune, India
09.2016 - 06.2018
  • Analyzed client requirements and developed tailored solutions for LAN, WAN, and wireless networks
  • Designed and deployed new network devices and optimized infrastructure for scalability and efficiency
  • Prepared Bill of Materials (BoM) by selecting network devices from various vendors, including obtaining quotations for network devices and links
  • Managed the procurement process by raising purchase orders and service requests
  • Collaborated with the project management team to provide detailed environmental information, such as device rack specifications, power consumption, and risk factors associated with network deployment or device relocation
  • Led weekly calls with the project management team to track progress, align tasks, and address any potential risks or delays in deployment
  • Managed the lifecycle of network devices, including performing IOS upgrades, replacements, provisioning, decommissioning, and blade server restacking
  • Raised and tracked change requests to ensure smooth transitions
  • Worked closely with server and application owners to provision or decommission servers, configure vPC for FEX, 5K, 7K switches, network ports, VLANs, and IP addressing schemes
  • Led the upgradation of Cisco 9K ACI switches, including POST and hardening tasks to ensure security and functionality
  • Acted as the Project Manager for various network projects, driving successful implementation after coordinating with clients and setting clear project dates
  • Managed upgrades for Riverbed appliances, ensuring minimal disruption and optimizing performance
  • Coordinated the migration of core switches from Cisco Nexus 7K to 9K, ensuring seamless integration and performance
  • Led the Wireless LAN Controller (WLC) implementation for improved wireless network management
  • Successfully migrated client networks from MPLS to Metro Ethernet, ensuring better bandwidth and reliability
  • Deployed new network infrastructure for TPNC from a data network perspective, providing tailored solutions for client needs

Network Consultant

SunGard Availability
Pune, India
03.2016 - 09.2016
  • Company Overview: Payroll - Collabera
  • Assessed client requirements and designed tailored solutions for LAN, WAN, and wireless networks, including the deployment of new network devices to meet performance and security needs
  • Implemented and configured changes on Cisco and Juniper routers and switches to align with customer specifications and optimize network performance
  • Managed F5 Big-IP and Riverbed load balancers, including tasks such as creating VIPs, adding nodes to pools, and updating SSL certificates to ensure secure and efficient traffic management
  • Led F5 load balancer firmware upgrades in accordance with customer requirements, ensuring minimal downtime and optimal system performance
  • Added and deleted firewall rules on devices such as ASA, Checkpoint, and Netscreen (ScreenOS) to secure network perimeters and ensure compliance with security policies
  • Developed and executed detailed change plans for link migrations and bandwidth upgrades, ensuring smooth transitions and minimal impact on operations
  • Configured and modified site-to-site VPNs, IPsec tunnels, and AnyConnect VPNs as per customer requirements to ensure secure remote access and connectivity
  • Payroll - Collabera

Associate Network Engineer

Tata Communication PVT LTD
Pune, India
06.2014 - 09.2015
  • Company Overview: payroll: Lobo staffing
  • Conducted traffic shifting activities as per customer requirements, ensuring optimal routing and load distribution
  • Configured routers and implemented change management to meet customer specifications
  • Performed Business Continuity Planning (BCP) failover testing for provided circuit IDs, ensuring failover mechanisms functioned correctly during primary circuit outages
  • Provided level 15 access and revoked access under TCL control for customers, ensuring appropriate access levels to network devices
  • Managed TELNET and SSH access, enabling or blocking for specified IP addresses as per customer security requirements
  • Conducted ISDN test activities during non-business hours to ensure services were up and running during primary circuit outages, maintaining service continuity
  • Supported planned DR drill activities, performing required configuration changes as per customer guidelines to ensure readiness for disaster recovery
  • Configured RMA routers with the assistance of field engineers, ensuring quick deployment and network recovery during hardware failures
  • Managed first-level escalations for corporate customers, troubleshooting and resolving complaints for 10-20 cases daily
  • Actively involved in the troubleshooting of various routing protocols including RIP, EIGRP, OSPF, and BGP to ensure network reliability and efficiency
  • Provided implementation and ongoing support for corporate customers using VPN/MPLS services, including leased line, wireless connectivity, and ISDN BRI lines for multi-location access
  • Delivered technical support for downstream locations and field engineers, while proactively monitoring and tracking all network links to ensure optimal performance
  • Coordinated with the last mile team to resolve network connectivity interruptions, ensuring swift restoration of services
  • Provided RFO (Reason for Outage) reports to customers, detailing the cause and resolution of network outages
  • Participated in 24/7 shift rotations, ensuring smooth shift handoffs and continuous network support across all times of the day
  • Payroll: Lobo staffing

Senior Customer Services Officer

WNS PVT LTD
Mumbai, India
02.2009 - 12.2012
  • Monitored WNS internal network for issues such as link down, packet drops, flaps, and latency, and raised trouble tickets for resolution
  • Troubleshot and resolved managed customer network issues proactively, focusing on critical issues like link down, packet drops, and latency
  • Utilized NMS tools (e.g., e-Health Monitoring tool) to monitor devices and MPLS links, ensuring optimal performance and network stability
  • Coordinated with teams responsible for last mile connectivity to resolve network issues promptly, ensuring minimal disruption to services

Education

Master of Information Technology -

Victoria University
03-2025

Master’s degree - Physics

01.2014

Bachelor’s degree - Physics

01.2012

Skills

  • Routing and switching-level technology
  • BGP, EIGRP, OSPF, MPBgp, MPLS, multicasting, IPv4, and IPv6
  • Multiplexer(Infinera, Ericson)
  • VMware SDwan VeloCloud
  • Versa SD-WAN
  • NGFW
  • Versa SASE
  • Office 365
  • AWS
  • Python
  • Kali Linux
  • Routers & Switches (Cisco, Juniper, Aruba, Nokia, and HP)
  • VPN(IPsec & GRE)
  • STP, PVSTP, MSTP, VTP, HSRP, VRRP, and GLBP
  • TRUNK and ETHERCHANNEL
  • WhatsApp Gold monitoring tool
  • NMS
  • Veeam Backup Server
  • SolarWinds
  • Seven
  • Network operation and support
  • Security and Firewall (ASA, Checkpoint, Fortigate)
  • F5 Load Balancer (LTM, GTM and WAF)

References

Available upon request.

Certification

  • Cisco Certified Network Associates(CCNA)
  • Cisco Certified Network professional (CCNP)
  • Cisco Certified Internet expert (Written)(Lab attempted)
  • ITILv3
  • Agile & PMP (Studied)

Languages

English
Native language
Gujarati
Advanced (C1)
C1

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference

Work Type

Full TimePart TimeContract WorkInternshipGig Work

Work Location

On-SiteRemoteHybrid

Important To Me

Career advancementWork-life balance

Timeline

Lead Network Engineer

CrownCastle
01.2024 - Current

Sr. Network Implementation Consultant

Standard Charted Bank
10.2020 - 10.2022

Technical Specialist

Telstra Malaysia SDN BHD
06.2018 - 10.2020

Technical Specialist

Tech Mahindra Pvt ltd.
09.2016 - 06.2018

Network Consultant

SunGard Availability
03.2016 - 09.2016

Network Admin

Tata Consultancy Services
09.2015 - 03.2026

Associate Network Engineer

Tata Communication PVT LTD
06.2014 - 09.2015

Senior Customer Services Officer

WNS PVT LTD
02.2009 - 12.2012

Master of Information Technology -

Victoria University

Master’s degree - Physics

Bachelor’s degree - Physics

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Dharmesh Jethva