Arun Kumar
TAC Engineer
Gurgaon,HR
Summary
Results-driven Solution Architect with deep expertise in collaboration voip, routing, switching, and security. With over 6+ years of experience in TAC designing and implementing robust network infrastructures for large enterprises, I excel in transforming complex technical requirements into scalable, high-performance solutions. My focus on security ensures that all designs are resilient against evolving threats, while my leadership and collaboration skills drive successful project outcomes.
Overview
6
6
years of professional experience
Work History
TAC PROJECT
CAPGEMINI ENGINEERING, CISCO
01.2022 - Current
- In the TAC team Led cross-functional teams in the delivery of complex network projects, ensuring alignment with business objectives and adherence to industry best practices
- Collaborated closely with C-level stakeholders to define network strategies, conduct risk assessments, and develop comprehensive security roadmaps
- Optimized network performance through in-depth analysis, capacity planning, and the application of cutting-edge technologies, resulting in improved operational efficiency
- Provided mentorship to junior engineers, fostering a culture of continuous learning and technical excellence within the team
- Responsibilities are to take care of complex customer issues starting from typical hardware failure, and advanced technical troubleshooting
- Jabber configuration, CUCM deployment publisher and subscriber, IM, and presence implementation integration with multiple servers
- SIP Implementation, Knowledge of SIP Protocol and Advanced SIP Call flow, Routing & and support
- Backup and restore, firmware upgrade, Smart licensing in the expressway’s configuration and deployment
- IP phone registration process in CUCM related issues in the jabber & and Webex control hub registration, and Webex license provisioning (enterprise, single user, multi-user)
- Implemented and managed complex network routing and switching protocols, including
- OSPF, BGP, and MPLS, across multi-vendor environments
- Ensured the security and resilience of network infrastructuresby configuring and maintaining advanced security solutions, such as Cisco ASA, Palo Alto firewalls, and intrusion prevention systems
- Conducted network performance audits and vulnerability assessments, implementing corrective measures to mitigate risks and enhance security posture
- Provided expert-level troubleshooting and support for critical network issues, minimizing downtime and ensuring business continuity
- Cisco Confidential
- Contributed to the development and enforcement of network security policies, enhancing the organization's overall cybersecurity resilience
- Provide a world-class Cisco TAC experience and make sure that customer sentiments are always high
- Take care all Cisco smart licensing issues and the classic licenses.
Technical pre-sales Engineer
CENTRAL DATA SYSTEM PVT LTD
BANGALORE
12.2020 - 01.2022
- Designed and implemented customized routing and switching solutions for enterprise clients, ensuring seamless integration with existing infrastructures
- Conducted thorough network assessments to identify inefficiencies, leading to the recommendation and implementation of enhancements that significantly improved network stability and security
- Developed and presented high-level architecture designs to executive teams, ensuring clear communication of technical concepts and strategic value
- Worked alongside sales and pre-sales teams to deliver tailored solutions during the RFP process, contributing to successful client acquisitions
- Produced comprehensive technicaldocumentation, including design blueprints, configuration guides, and operational manuals, ensuring clarity and consistency across all project phases
- Facilitated technical workshops and knowledge transfer sessions, enabling clients to effectively manage and optimize their network environments post-deployment
- Cisco Call Manager (CUCM) Config Pub & Sub
- Cisco WebEx Provisioning, Control Hub Config
- SD-WAN & cisco Meraki
- Expressway Core, Expressway Edge
- Cisco Unified OS Admin, Serviceability, Rout Hunt, Route pattern
- Collaboration endpoint demonstration
- POC and POV
- Upsell and Cross Sell
- Solution Documentation
- Business Value Proposition
- Customer Recommendation
- Cisco Confidential
Collaboration Engineer
PROACTIVE DATA SYSTEM PVT LTD
BANGALORE
01.2019 - 12.2020
- Experience in Cisco devices, licensing, and troubleshooting
- Experience in CUCM installation Pub & sub, call Routing etc.
- Knowledge of Cisco WebEx Control Hub, Provisioning, licensing
- Knowledge of routing protocols OSPF, BGP & EIGRP
- Knowledge of IM & Presence, Cisco call Manager (CUCM)
- Experience in the Customer handover process
- Training of new hires in the UC team & and KB creation for their help
- To take care of all BHARAT ELECTRONIC LIMITED 13 Site in all over In
Education
MBA - IT
Subharti University
2021
Skills
- Networking
- Concepts
- OSI Model, TCP/IP, UDP, IPV4, Subnetting, VLSM
- Layer 3 Protocols RIP, EIGRP, OSPF, BGP, ICMP, IGMP, VRF, GRE
- IPSEC, Static Routing, Redistribution, Summarization
- DNS, ICMP, ARP, SNMP,NTP, DHCP, TFTP, AAAInfrastructure
- Services
- Switch
- Technologies
- Cisco Asa &
- Firepower
- STP, RSTP, VLAN, Inter-VLAN Routing, Ether Channel, VSS, VPC
- Failover, Security Context, Nat, Access list, FMC
- Tacacs, Radius, dot1x, isakmp frameworksSecurity Protocols
- VPN Technologies Site to Site VPN with IKEV1, IKEV2, Remote VPN with
- SSL, IPSEC
- OSI Model, TCP/IP, UDP, IPV4, IPV6Networking
- Cisco Confidential
Accomplishments
- CERTIFICATIONS:
- CCNA Routing & Switching certified
- CCNP collaboration
- Udemy CUCM Cisco unified communication Manager Administration
- Cisco Meraki Network Associate (CMNA)
- Udemy Ultimate AWS Certified Solution Architect Associate 2021
- Crestron Certified Programmer
- Network security associate (Fortinet)
- Crestron Network Solutions - Design (CNS-D)
- Crestron Digital Media Networking Certification (DM-NVX-N)
- Cisco Black Belt Cloud Collaboration
- Cisco Black Belt X-SELL-secure
- Security Architecture for system engineer
Work Preference
Work Type
Full TimeWork Location
On-SiteRemoteHybridImportant To Me
Company CultureWork-life balanceWork from home optionPersonal development programsCareer advancementTimeline
TAC PROJECT
CAPGEMINI ENGINEERING, CISCO
01.2022 - Current
Technical pre-sales Engineer
CENTRAL DATA SYSTEM PVT LTD
12.2020 - 01.2022
Collaboration Engineer
PROACTIVE DATA SYSTEM PVT LTD
01.2019 - 12.2020
MBA - IT
Subharti University
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