Vaishnavi Alugani
Chicago,Illinois
Summary
Adept at deploying and optimizing network infrastructures, I leveraged my expertise in SWITCHING and Python scripting at AT&T Labs to enhance system efficiencies by 30%. Renowned for my collaborative approach, I excel in driving cross-functional team success, embodying resilience and innovation in tackling complex network security challenges.
Innovative technology professional with several years of diverse experience. Skilled in enhancing systems and aligning technical solutions with business objectives. Proven success in leading projects from start to finish and contributing to organizational growth and success.
Overview
12
12
years of professional experience
Work History
Senior Network Engineer
AT&T Labs
12.2023 - Current
- Strong knowledge in networking concepts such as TCP/IP, OSI model, IEEE standards, Bridging, Load balancing, Firewall security ,Wireless technology, IPv4/v6 Routing and Switching.
- Extensively worked on router/switch models including Ciena - 51xx series,39xx series and 8700's; Juniper models - EX-2200, EX-4200, EX-4500, MX-480, MX-320, other M Series, SRX210 and SRX240; Arista 7280 ; Cisco 4500 ,NEXUS 7k and 5k .
- Working knowledge of MPLS services, OSPF, BGP ,EIGRP routing protocols, sub-netting, DNS, LDAP, DHCP, HTTP, HTML, HTTPS, TCP/IP, UDP, SNMP, RIP, IPSEC, VLAN, STP(Spanning tree Protocol), RSTP, LLDP, CDP, VTP & Multi casting protocols .
- Experience with Layer 1 cabling technologies including UTP (Category 3, 5, 5e and 6), fiber optic (single mode, multi-mode) and coaxial .
- Implemented wireless technologies 802.11b/g/n, 802.11a, 802.11ac in lab environment using Cisco Meraki and Aruba wireless network devices.
- Lead the functional and service-related activities in a lab environment for new software and hardware releases of multi-vendor Ethernet capabilities.
- Planning and Upgrading multivendor Lab devices for bug fix certification.
- Develop technical plans that include hardware and software designs to conduct certifications of new and modified network elements, management systems, or
applications associated with new Ethernet and networking capabilities. - Additionally, will be evaluating and applying test standards and procedures to identify architecture or integration problems in network elements.
- Responsible for collaboration with network equipment vendors to resolve modification requests, as well as for the collaboration with network design and operations planning organizations to devise new approaches to technical problems in new network elements.
- Working on network automation scripts for the implementation of VLAN Based and Port based Ethernet services using Python script and Cron jobs.
- Works closely with the AT&T lead architect to create a physical and logical arrangement for the lab that closely emulates the production WAN.
- Execute test plans with the goal of coming up with stable bug-free code releases for the vendor equipment.
- Develop MOPS and DG to help deployment of new code/patch in production environment.
- Assess and update older networks as needed and in accordance with specified plans.
- Provide escalated Tier-2 and Tier-3 technical support on data, voice or video network.
- Document the results of all testing. Provide ongoing tier 4 support for the production network.
- Experience with using and managing Jira ticket system to track and solve issue.
- Experience with communicating with different customers, IT teams in gathering the details for the project.
- Documenting workflow process, managing and implementing standard policy and procedures.
- Documented all the work done by using Visio, Excel & MS word.
Sr. Network Engineer
HealthSun Health Plans
02.2023 - 11.2023
- •Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches.
- Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
- Experience and good knowledge over routing protocols like EIGRP, OSPF, RIP, BGP also static route, MPLS, VPN, IPSEC .
- Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access control lists implemented as per Network Design Document and followed the change process as per IT policy. It also includes the configuration of port channel between core switches and server distribution switches .
- Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
- Used TFTP server to backup Cisco configuration files.
- Good knowledge with the technologies VPN, WLAN and Multicast.
- Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
- Designed and implemented security policies using Cisco ASA firewall.
- Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
- Network security including NAT/PAT, ACL, and ASA/PIX Firewalls.
- Configure and troubleshoot F5 LTM and GTM, and providing support for the customers.
- Dealt with monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wireshark.
- Contribute to the output of the team and ensure SLA deliverables are met.
Sr Network Engineer/ Firewall Engineer
PSEG
04.2022 - 01.2023
- Involved in complete LAN, WAN development (including IP address planning, designing, installation,configuration, testing, maintenance etc.). Design of DMZ in primary and redundant data centers with Next Gen
Firewalls, IPS/IDS sensors, Switching and routing. - Experience in deployment of Nexus 7010, 5548, 2148T, 2248 devices
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
- Experience configuring Virtual Device Context in Nexus 7010
- Installation and maintenance of Cisco Layer 3 switches 3750, 4500X, 6500 in multi VLAN environment.
- Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
- Involved in migration from Site-to-sire GRE tunnels network to MPLS-based VPN for customer’s WAN infrastructure.
- Implementing security Solutions using Palo Alto PA-5000/3000, Cisco 5580/5540/5520.
- Migration experience from Cisco ASA 5500 to PA. Experience with migration tool in PA for Policies from ASA to PA. Experience with SSL forward proxy and URL filtering.
- Configuration and administration of firewalls, which includes Checkpoint, Juniper, and Cisco ASA firewalls.
- Experience with RIVERBED Steelhead appliance for WAN optimization.
- Configuring High Availability using Cluster XL on Checkpoint as well as VRRP and monitor the Sync status for tasteful replication of traffic between active and standby member.
- Researched, designed, and replaced Checkpoint firewall architecture with new next generation Palo Alto PA3000 and PA5000 appliances serving as firewalls and URL and application inspection.
- Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using Panorama.
- Successfully installed Palo Alto PA-3000/PA-5000 firewalls to protect Data Center and provided L3 support for routers/switches/firewalls.
- Configured and maintained IPSEC and SSL VPNs on Palo Alto Firewalls and implemented Zone Based Firewall and Security Rules on the Palo Alto Firewall. Exposure to Palo Alto Wildfire.
- Involved in Switching Technology Administration including creating and managing VLANS’s, Port security,Trunking, STP, Inter VLAN routing, LAN security etc.
- Experience in administrating Viptela SDWAN enterprise deployment and implementations of Network and Devices for SDWAN environment.
Senior Network Engineer
NXP Semiconductors
12.2020 - 03.2022
- Configure the layer 2 and layer 3 on Cisco Nexus 7K, 5K, 6509, 9710, 5596 UP, 4500, 3850, 3950, ASR and 2960
- Worked with Checkpoint, Cisco ASA, and Palo Alto Networks solutions.
- Experience in HSRP standby troubleshooting & Experience in configuring & upgrading of Cisco IOS.
- Implementing & troubleshooting of T1, MUXES, CSU/DSU and data circuits.
- Experience on designing and troubleshooting of complex BGP and OSPF routing problems.
- Have sound knowledge of Firewall architecture, routing, and VPN.
- Have experience working as an HP Open view Network Node Manager.
- Upgrade firewalls in accordance with change management & Document changes to firewalls.
- Monitor traffic and access logs to troubleshoot network access issues.
- Have experience with Cisco Works LAN Management Solution.
- Implemented Positive Enforcement Model with the help of Palo Alto Networks.
- Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2800 series router.
- Testing VPC, BGP, OSPF, EIGTP, RIP, SPAN, VLAN Trunking, SVI and power supplies on Nexus and ASR devices
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
- Hands on experience with Cisco 3500, 3750, 4500, 6500 series equipment and configuring and deploying and fixing them with various modules like Gig card, VPN SPA card, WIC card.
- Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS
and IOS on CAT6500 in a complex data center environment. - Involved in configuring IP Quality of service (QoS).
- Involved in designing L2VPN services and VPN-IPSEC authentication & encryption system.
- Experience in designing, installing & configuring Cisco ASA & FWSM (Firewall service module). Worked on Checkpoint firewalls R70, R75, R77.20 Gaia and Provider-1/MDM
- Evaluate, Analyze & Implement firewall policies to meet business requirements.
Networking Engineer
Cognizant Technologies
06.2015 - 11.2018
- Daily routine includes but not limited to maintaining the overall network
equipment and troubleshooting the network issues. - Technical support for improvement, up-gradation & expansion of the
network architecture. - Added servers and management devices to the access layer switches and connected them to the distribution and core switches.
- Added new switches to the existing stack members with proper cabling and configuration.
- Built site-to-site VPN tunnels for the business partners and defining
necessary access control lists on Cisco ASA firewalls. - Upgraded the firmware versions on switches, routers,load balancers and firewalls.
- Experience with ACS servers for implementing RADIUS, TACACS+,adding new devices into the ACS servers, limiting the usage of devices to
the specific group within the company. - Connected the fiber optic cables from data closet switches to the data center.
- Added servers to the load balancer farm, defined proper service groups,added virtual servers and applied content switching policies based on the requirements.
- Implemented SSL offloading on load balancer by uploading certificates and binding them to the virtual servers along with configuring proper SSL policies& cipher suites.
- Implement, document and troubleshoot CITRIX Netscalers for Load Balancing across multiple data centers.
- Implementation of Global Server Load balancers (GSLB) and setting up Disaster Recovery for the critical applications.
- Direct and develop standards for ongoing vulnerability remediation efforts. Worked in Integrated Operations team
- Monitored system performance to identify potential issues.
- Troubleshot complex multi-vendor network service provider issues.
- Provided complete end-to-end engineering and installation of route-based IP network solutions.
- Performed troubleshooting for Juniper, Cisco, and packet analysis.
- Provided network support services for devices such as hubs, bridges, routers, and other hardware.
- Managed, tracked, and coordinated problem resolution and escalation processes.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
- Integrated fixed wireless connectivity into facilities requiring high-speed networks.
- Reviewed technical specifications from clients and vendors to confirm adequacy, accuracy and functionality.
Network Engineer
Orient Technology
03.2013 - 05.2015
- Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and
support of such network services. Helped in designing and implementation of VLAN for the new users. - Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
- Troubleshooting of personal computers. Online Support to customers concerning their computer problems.
- Replace branch hardware with new 2851 routers and 2960 switches.
- Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n.infrastructure and its legacy technologies.
- Experience in working with Cisco Nexus 5000 series switches for data Centre.
- Diagnose, troubleshoot, and resolve service issues related to VoIP telephony platforms and applications.
- Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
Education
Master of Science - Information Study in Computer Science
Concordia University
Wisconsin, WI12-2018
Bachelor of Science - Computer Science
Vidya Jyothi Institute Of Technology
Hyderabad,India08-2012
Skills
- SWITCHING: VLAN, VTP, STP, PVST, RPVST, InterVLAN routing, Multicat Operations, Layer 3 switches, Ether Channels, Port Mirroring, Trunking
- ROUTING: Static Routing, BGP, OSPF, EIGRP, RIP V2, IS-IS, Summarization, Route filtering, HSRP, VRRP, PAP, CHAP, IPV4, IPV6, Redistribution, NAT, PAT, Redistribution,MPLS
- NETWORK SECURITY AND LOAD BALANCING: CISCO ASA, IPSEC, ACL, Paloa Alto firewall, VPN Tunneling, F5 Networks, SRX firewall
SOFTWARE LANGUAGES AND OTHER
- NETWORKING AREAS: Matlab, VMware workstation, Python, C, Powershell, BASH, Wireshark, Ethereal, SNMP, TACACS , RADIUS,
DHCP, DNS, Visio - OPERATING SYSTEMS: LINUX, Windows, MAC
- WIRELESS: Aruba, Cisco Meraki
Timeline
Senior Network Engineer
AT&T Labs
12.2023 - Current
Sr. Network Engineer
HealthSun Health Plans
02.2023 - 11.2023
Sr Network Engineer/ Firewall Engineer
PSEG
04.2022 - 01.2023
Senior Network Engineer
NXP Semiconductors
12.2020 - 03.2022
Networking Engineer
Cognizant Technologies
06.2015 - 11.2018
Network Engineer
Orient Technology
03.2013 - 05.2015
Master of Science - Information Study in Computer Science
Concordia University
Bachelor of Science - Computer Science
Vidya Jyothi Institute Of Technology
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