Srikanth Duddilla

Summary:

Senior IT professional with over 20 years of experience in design, configure, implementation, and support seeking Network Engineer, IT Application Design, development, and deployment, leading projects, database server experience, Database server configuration architecting and Splunk architecting and configuration, Splunk Dashboard development, Splunk alerting, Database security, UNIX, shell scripting, Perl, Python and troubleshooting. Experienced in technical leadership, project management, change management, providing excellent customer service, and possess excellent communication skills.

Technical Certifications & Skills

Splunk User Splunk User

Splunk Power User Splunk Power User

Splunk Administrator Splunk Admin

Splunk Enterprise Certified Architect Splunk Architect

Cisco Certified Design Professional CCDP

Certified WAN Engineer CWE

Cisco Certified Network Professional – Security CCNP - Security

Cisco Certified Network Professional – Routing & Switching CCNP - R/S

Cisco Certified Network Associate – Voice CCNA - Voice

Cisco Certified Network Associate – Wireless CCNA - Wireless

Cisco Certified Network Associate – Security CCNA- Security

Cisco Certified Design Associate CCDA

Certified WAN Enterprise Administrator CWEA

Linux/Unix System Administrator LUSA

Microsoft Network Systems Administrator MNSA

Cisco Certified Network Associate CCNA

Technical Skills Detail

Cisco Routers/Switches: Cisco IOS, Routers (3900, 2900, 1900, 800), Cisco Catalyst (6500, 5500, 4900, 4500, 3000, 3100), Cisco Nexus (1010/1010x, 2000, 5010, 5020, 5548P, 5548UP, 7000).

Protocols & Connectivity: WAN, LAN, TCP/IP, PPP, OSPF, EIGRP, BGP, MPLS, VTP, SNMPv3, SMTP, ARP, TCP, UDP,

Static Routing, Stub Routing VLAN, VTP, HSRP, STP, SVI, CEF, AC L, NAT, PAT, RIPng, RIP,

RIPv2, BPDU, GLBP, VRRP, Atom, ATM

Security Technologies: Splunk for secured single sign on, AAA, IPS/IDS, TACACS+, RADIUS, SSH, VPN, Cisco ACS, Data Loss Prevention, IPSec, Data Management Zone, Public Key Infrastructure (PKI), Port Security, MAC Address Filtering, IPS/IDS, NPS, SEP, SEPM, dot1q (802.1x), ISE

Monitoring Tools/Apps: Splunk development/dashboarding, Splunk Alerting, Splunk License Master, Splunk ITSI, Splunk glass tables Wireshark, Remedy, Openview, Cacti, Nagios, VMware, Solarwinds, F5, Cisco Works, LogicMonitor, Cisco Security Manager Suite, VNC, syslog, load balancing.

Enterprise Technologies: Splunk Enterprise, Splunk Deployer, Splunk deployment Server, Splunk Deployer, Splunk Cluster Master, Splunk License Master, Splunk Forwarders, Splunk Search Heads, Splunk Indexers, Informix 4GL, MySQL, Informix-SQL, ESQL/C, Shell, Awk, WIN2003/2008 Server, Oracle, Active Directory, DNS, DHCP,WINS, HP-UX, SUN-OS, UNIX,, AIX, Solaris, Linux, MAC, Netcool, IPTables, IGMP, PIM, Unicasting and Multicasting, Perl, JavaScript, SSH, HTML, FTP, HTTP, Macros, WS_FTP, SEO, SQL, Access, PHP, MySQL, Java, NTP, JavaScript, uBuntu

Education

Certified WAN Engineering Program LANWAN Professional

Bachelor of Science in Engineering, Gulbarga University

Professional Experience Detail

Wipro Aug 2018–Present

Charles Schwab

Senior Splunk Architect

Company Overview – Charles is a financial company with one of the large establishments of Splunk with indexer cluster over 100 indexers, 5 search head cluster and over 9000 TB per year data ingestion.

Splunk Lead and Project Lead

Lead team in gathering requirements for AD SCOM data extraction and integration with Kafka consumer for Splunk ingestion

Explored solutions and provided guidance in finding solutions for AD SCOM data extraction for AD SCOM data extraction for Kafka consumer

Designed a plan for AD SCOM integration with Kafka for Splunk ingestion

Provided guidance in finding solutions for AD SCOM data extraction

Lead teams in designing Splunk ITSI layering for monitoring visualizations.

Developed models for Splunk ITSI monitoring visualization and drill downs

Designed and developed, and optimized Splunk ITSI components such as searches, entities, services, and glass tables.

Optimized Splunk ITSI components such as entity and service model batch generation using CSV

Optimized performance and design for Splunk ITSI Optimized glass tables by standardizing design and providing templates.

Trained teams in developing/building ITSI components.

Designed models for future growth of ITSI utilization and trained teams on scalability

Provided documentation for developing and support of ITSI components for engineering team and support teams.

Integrated with ITSM tool such as Remedy.

Bank of New York Mellon

Senior Splunk Architect

Company Overview – Bank of New York Mellon is a financial company with large establishment of Splunk with indexer cluster over 100 indexers, 5 search head cluster and over 10 TB of daily ingestion

Splunk Lead Admin and Architect:

Developed strategies and implemented to optimize application log onboarding

Designed and implemented strategies to improve maintain quality of data onboarding application logs into Splunk

Designed, lead and implemented process to measure log onboarding performance by teams

Developed process to reduce Splunk parser load reducing event breaking, truncation, and timestamping issues

Designed process to report gaps in application logs and system logs reporting to Splunk

Guided TSG team in reimaging Splunk forwarder and eliminate configuration issue

Trained teams on addressing Splunk parser load issues such as event breaking and time stamping

Data masking of confidential data while indexing and while searching

Splunk Lead Development:

Optimized dashboards and searches for support teams

Optimized validation process for Splunk SOX teams

Developed and implemented to measure progress of application log onboarding to Splunk

Trained on Splunk concepts and search optimizations

Developed process to report gaps in application logs and system logs reporting to Splunk

Splunk data normalization such as field aliases, calculated fields, etc.

Rodan and Fields

Senior Splunk Architect

Company Overview – Rodan and Fields is health and beauty product with small size Splunk establishment with about 8 indexers and two search heads. Splunk was used to store application form Linux and Windows environment and system logs

Splunk Admin and Architect:

•Developed data storing strategies and optimized implementation strategies to store Splunk data.

•Designed and optimization strategies to deploy Splunk configurations to forwarders using deployment server

•Ansible to deploy system configurations, system downloads.

•Developed test plans for disaster recovery

•Developed implementation strategies for Splunk configuration changes

Splunk Development:

Designed and developed dashboards for support teams reducing the research time and to get to the core of the issue

Optimized dashboards and searches and provided templates for teams to follow

Trained teams on Splunk concepts and search optimizations

Century Link Sep 2014-Aug 2019

Lead Architect

Company Overview – CenturyLink is a telecommunications and networking company headquartered in Monroe, LA and branches across United States, India, and other countries with about 2500 employees at headquarters and about 40000 employees worldwide. CenturyLink provides residential and commercial phone and networking services, residential and commercial security systems, network managed services to government and commercial customers, and provides solutions architecting for various customers.

Network Engineer/DBA:

Configured and tested Corvil CNE to collect network stats from the concerned networks, and configuring Corvil syslogs.

•Installed and Netflow analyzer NFSEN, and Google samplicator to get network flow statistics and compared the ease of use and output from both network flow analyzing tools.

•Experience in IT Application Design, development, and deployment, Leading project, database server experience, Database server configuration architecting and Database security.

•Experience in server administration

•Installed, configured Oracle server and Oracle client software on lab servers, performed maintenance and performance optimization

Splunk Engineer and Admin:

Performed requirements gathering process design and development, integration of products between systems, test, and deployment.

Engineered solutions for different customers (internal and external) as part of solution architecting.

Experience as SPLUNK administration, event analysis, monitoring and alerting, Splunk storage configuration, installing Splunk enterprise for search heads and indexers, in clustered environments, and standalone environments, and distributed environment.

Configured Splunk input including forwarding, scripted input, tcp/udp streaming inputs, syslog inputs and other file/log inputs, and input filtering with Splunk transforms and props configuration with REGEX., integration with common information model (CIM) integration.

Experience include architecting, design, deployment, configurations, Splunk volume analysis, monitoring Splunk performance on indexers and search heads, summary indexing, data modeling, acceleration, dashboards, prebuilt panels, design optimization including data models, table datasets, knowledge objects such as dashboards and lookups, near real time dashboards, tags, event types, macros, saved searches, search acceleration, Splunk Processing Language (SPL). Experienced in dashboard optimization such as scheduled searches, post process searches, accelerated searches, dashboards to determine root cause in networks, creating search time field extractions to use in searches. Etc. Experienced in Shell Scripting (different flavors of UNIX and Linux systems), PERL, awk, C, 4GL, XML, HTML, Python, Java script.

Involved in architecting and building Splunk application dashboards for secured single sign on server for external customers, limiting access to subscribed data by federating data at index level.

Integrated multiple data sources/feeds from networks to near real-time dashboards for trouble shooting network issues such as packet loss, latency, sequence gaps, secondary network down, etc.

Knowledge of Splunk internals, indexer strategies, Splunk parsing, indexing, performance optimization, managing knowledge object, and maintaining knowledge objects including lookups, modular inputs, performance enhancements when indexing and searching. Architected solution to generate network performance reports base on local metro network time zone.

Splunk alerting for different, Lead team to generate scalable alerts by designing a flexible process which accommodates for various types of alerts. Designing solution to integrate Splunk alerts with Remedy ticketing, and to integrate Splunk with other software vendors to get data in and out of Splunk. Lead in redesigning the support process in trouble shooting to find the source of the issue (Router, Probe, Brix/Accedian Centralized server, or external integration script between the Splunk and Brix/Accedian/Corvil centralized servers. Alerting when data is not being received in Splunk. Developed dashboard to monitor application performance, and indexers performance in terms of load CPU load and memory usage on Splunk search heads and indexers for a single dashboard or complete application

Authored custom scripts in shell, java scripting, python, and Perl used within Splunk, plunk REST APIs to interact with Splunk and to interact with other products, Splunk dashboards to determine root cause in networks, created prebuilt panels for reusability in different dashboards. Developed dashboards for variety of customers based on per customer requirements presenting network statistics and network status.

Designed and developed ITSI glass tables to provide near real time views of network statistics globally, and then to drill down to regions, and then drill down to KPIs and network connection stats. Experience with ITSI KPI metrics, service analyzer, entities, services, service health scores, defining metrics thresholds, base KPI searches, entities for network node requirements, configured leaf node level KPI Threshold and configured services for search health scores with custom KPI thresholds, and configured complex health score representation. Integrated with ITSM tool such as Remedy.

Possess good communication skills and experienced in presenting software products. Demonstrated ability in working with different teams, and working together in producing scalable solutions, in planning and execution of processes. Experienced in Technical documentation and standards documentation including Developing documentation for Level 1, 2, and 3 support documentation, and experienced in developing process documentation. Performed knowledge transfer of developed products and documenting process flow, and product features

Certified as Splunk User, Splunk Power User, Splunk Administrator, Splunk Architect

Wal-Mart/LWP

Technical Lead / DBA Oct 2008-Nov 2013

Company Overview – Wal-Mart is the world’s largest public corporation running chains of large discount department stores and warehouse stores employing over 2 million employees and 3,000 IT staff. Their enterprise network includes over 100,000 servers supporting over 5 million users. Below will be a list of responsibilities personally handled:

Below will be a list of responsibilities personally handled:

Member of the Enterprise Infrastructure Management Team responsible for activities including technology development, implementation, administration and troubleshooting of various mission-critical and high-pressure situations including design and implementation of new applications and migration of legacy systems to current standards.

Administration activities include, but are not limited to, client relations/support, change management, project coordination, facilitate meetings, documentation and file maintenance, and asset inventory.

Leadership responsibilities and activities include, but are not limited to, client relations/support, change management, project coordination, facilitate meetings, documentation and file maintenance, asset inventory, and following federal and state government rules and regulations.

Communication and coordination activities include project coordination to ensure timely and efficient progression, interdepartmental communications and coordination, timely reporting to the appropriated groups, and scheduling as needed reports to management.

Materia Logic

Enterprise Analyst (PA) 2005-2008

Company Overview – Materia Logic is third party warehousing and logistics service company for clients ranging from Fortune 1000 companies to ecommerce entrepreneur startups. Materia Logic has locations across the United States and utilize a highly complex multi-area network infrastructure to track product whereabouts and response times. Below will be a list of responsibilities personally handled:

Member to a team responsible for designing, engineering, implementing and supporting enterprise technology solutions for regional corporate clients with multiple locations to and national/multinational clients with locations globally.

Technical responsibilities included, but are not limited to the installation, configuration, implementation, design, analysis, upgrade and troubleshooting for various mission-critical technologies in LAN and WAN environments.

Professional responsibilities included administration, documentation, change management, project management, systems analysis, following corporate policies and procedures and acted as the focal point in vendor evaluation for large nation vendors.

AT&T (SBC) Senior Analyst/Consultant (PA) 2004-2005

Company Overview – SBC, now renamed AT&T is a multi-national provider of data, voice, and wireless services with and annual revenue of $128 Billion per year. They are currently the 21st largest company in the world and employ one of the largest network infrastructures worldwide. Below will be a list of responsibilities personally handled:

•Member to a team responsible for handling the overall support and design of various enterprise LAN/WAN applications and services. Tasked with maintaining high availability and reliability for all internal and external users.

•Technical responsibilities included, but were not limited to administration, design, development and support of implemented technologies, troubleshooting of various enterprises technologies, and full life cycle of database application projects.

FedEx, Target,

Washington Mutual Analyst (PA) 1995-2004

Contractor for multiple regional and national organizations with large Data Management, Product Enchantment, Redundancy Reduction, Remediation and Maintenance Support projects and more.

Companies contracted with included but not limited to FedEX, Target, Washington Mutual, State of Arkansas, Valspar, First Data Corporation and more.

Technical activities and responsibilities include design, development, analysis and implementation and testing of new applications according to the clienteles’ needs specifications using latest and legacy versions of Informix 4GL/9.3/7.31, Oracle, SQL, ESQL/C, PL/SQL, AIX, UNIX.

Professional activities and responsibilities included working with technical and non-technical clients to effectively resolve challenges, research and implement solutions, and following policies/procedures while maintaining proper documentation of information systems structure.

End to End network design and implementation including troubleshooting, complete device erase and configuration using IPv6 with RIP, EIGRPv6 and OSPFv3 routing protocols in complex network environments with summarized networks, passive interfaces, load balancing / load sharing, authentication. Configured Switches with VLAN’s, STP, VTP and Port Security. Configured and administrated complex networks using BGP, MPLS (with LDP) protocols, and implementing QoS mechanisms. Setup, configuration, and administration of Cisco Security and Wireless devices, Cisco VoIP products and troubleshooting/network monitoring tools including Wireshark, Solarwinds, Cacti, CCP and Nagios.

In addition setup site-to-site VPN’s and Zone based Firewalls using technologies including Cisco PIX and Cisco ASA. Telephony system set up NTP, DHCP, TFTP for VoIP1. Ephone management using Cisco Call Manager express (CCME). Configuring Cisco Unity Express (CUE) and voicemail users. Configured redundancy protocols HSRP, GLBP, and VRRP. Experience in LAN/WLAN L2/3 design, dot1q (802.1x) trunking of VLANs. Configuring security using PPP with AAA 802.1x (dot1q) authentication.

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