Varun Sinha
Senior . Network Architect
Frisco,TX
Summary
Senior . Network Architect
Results oriented Network-Lead and Solutions-Architect with 17+ years of telecommunications industry experience.
Collaborative experience in project management, team management and mentorship, research and designing of customized solutions and technical documentation.
Areas of expertise include (Design and Management):
a) Internet service provider / Enterprise and Datacenter design and architecture.
b) Resources and Team Management and alignment.
d) Fixes/Audits/Augments/Budgetary allocations & procurement requests)
e) Technical design writing and procedural documentation.
f) Mentoring new engineers, Helpdesk management, Technical user support and escalations.
Overview
17
17
years of professional experience
7
7
years of post-secondary education
6
6
Certifications
Work History
Network Architect
Crown Castle Fiber / Lightower Fiber Networks
Irving , TX
2015.06 - Current
- Providing leadership and guidance to other network engineers on multiple complex migration projects and tactical upgrades.
- Offering support and expertise with various vendors, such as Juniper, Ciena, Cisco, Accedians etc.
- Authoring and maintaining documentation on new network technology implementations , procedures and RCA's.
- Testing and introducing new technologies in both lab and field settings as proof of concepts to be then templatized and deployed network wide.
- Participating as a member of a team responsible for overseeing backbone augments, audits and remediation's.
- Experience with integration and merger of legacy companies and assisting with enterprise customer and datacenter integration.
- Developing and maintaining process documentation, and helping others understand existing processes.
- Serving as an escalation point for customer migration issues and management loss of visibility issues on legacy networks.
- Conducting network-wide audits of MPLS/BGP/EMS and working to standardize and deploy those configurations.
- Designing and deploying multiple POP locations, working with various vendor gear.
- Experience with complex migrations , audits , grooms and overbuilds of sites between the legacy companies.
- Collaborating with DevOps teams to provide templates and goals for automation which involve the NE lifecycle. ( Involved working with NSS and other teams to help automate documentation. ( 1st example Grafana SNMP Pull for NE devices . 2nd NSS script to bulk update ips etc. )
- Creating in-house scripts to streamline audits and updates and automate processes.
- Analyze, troubleshot and enhanced network performance to drive efficiency.
- Developed network test and validation processes to maintain alignment with solution design and update necessary documentation as needed.
- Synthesized data to produce reports and polished presentations, highlighting findings and recommending changes.
Senior Network Engineer / Team Lead
NetBrain Technologies
2014.01 - 2015.06
- Advance Services Team lead
- Employed strong team management and task prioritization skills to streamline project turnaround times and meet tight deadlines.
- Oversaw company's entire network and related policies covering use, maintenance and infrastructure.
- Established and monitored key performance metrics to verify consistent compliance with important networking standards.
- Design & implementation of OSPFv2/v3 , EIGRP, ISIS , BGP routing protocols, RSVP-TE & LDP label switching protocols for MPLS routing and forwarding, and IPv6 PD & ND protocols
- Hands on experience on the following Cisco Gear –GSR, ISR, 7600, 6900, 4500x , next gen ASA5500x series firewalls
- Hands on experience on Juniper MX, Ex4200 , Ex3300 and SRX firewalls
- Extensive enterprise network design and architecture experience from bottom up for datacenter builds and core enterprise builds
- Build BOMs and VAR resellers sheets using CCW and other vendor tools
- Excellent troubleshooting skills to troubleshoot both network and server side of issues
- MPLS: design and implementation of new additional features/enhancements for Label Distribution Protocol, LDP ,BGP/MPLS VPN ,OSPF, RIP
- Extensive experience in technical documentations [SMOPs] and implementation of complex change management tasks
- Monitored data transfer security to detect and prevent intrusion attempts and respond to DDoS attacks.
Senior Network Design Eng/Team Leader - DataCenter
Dell IP Services
2013.09 - 2014.01
- Managing a team of Security Interns, Network Analysts and on field PBX/Wiring technicians to deploy a new core consisting of 4507s and 6509s
- Training a batch of Interns on Network and Internet security basics
- Technical Mentoring, Troubleshooting logic, Vendor Logistics etc
- Leading the process improvement meetings and outlining new strategies to upgrade existing failure scenarios
- Daily checks and assignments of tickets to the team based on priority and projects
- Making sure staffing was available for 5-9’s in the NOC and On-calls available for weekends and after hours
- Working with Offsite manager to report and review all escalations and all weekly progress every 2 weeks
- Building budget outlines with Vendor estimates to negotiate PO’s both for on lease equipment and new purchases
- Driving daily change-management meetings to manage prompt delivery of regular maintenance tasks
- Reserving and consolidating all the Network device deployments for single network launch throughout the organization
- Working with Major Medical providers to design and implement solutions in accordance with DELL policies and scalability measures
- Cloud Technologies -MPLS TE–BGP–L2vpns-OSPF - ISIS –Wireless]
- Wireless ARUBA management and monitoring
- Architecting a complete new core to support “Application-Centric” networking
- Documentation of existing Network topology
- Complete with failover write-ups and emergency power and personal lists
- Using Network Mapping tools like InfoBLOX NETMri to map out existing Network and update existing Source of Truth databases
- Implementing Agile Scrum Methodology to help keep deployment and current maintenance projects on track
- Worked with ARIN to secure /24,/24 ipv4 scopes for the Tufts Medical Center new core
- Working closely with Major ISPs to get resources allocated for direct client use
- IP Space, Etc }
- Forecasting network traffic , Ipv4 address consumption estimates on a month-month /month-year basis
- Auditing Network usage [ layer 2 / layer 3 / Server VM Managements ].
Network Engineer - Engineering
Comcast Cable
2012.12 - 2013.09
- Working with various Comcast markets to design and implement solutions in accordance with Comcast policies and scalability measures
- Cloud Technologies - MPLS TE – BGP – L2vpns- OSPF - ISIS ]
- Taking escalations from the Operations [ NOC ] team to resolve any anomalies, chronic issues or escalated network break fixes
- Budgeting and Vendor assists for new equipment install and upgrades [Cisco / Juniper]
- Project Management - Multiple projects going live –Ring Capacity Upgrades and Device Migrations
- Working with the Local Market Engineers to analyze and stabilize template configurations for the Northeast market
- Juniper & Cisco ]
- Extensive Capacity Augmentation – CMTS Redundancy Moves - Additional Hardware / Router Launches
- Audits – Template configuration Audits – Base Configuration Audits - Upgrade vs Hardware vs Time [UHT ] audits
- Hardware failover tests and audits to identify faulty and degraded gear prior to deployment.
Network Engineer - Operations
Comcast Cable
2010.07 - 2012.12
- National Operations
- Working with the National NOC team responsible for Layer 2 – Layer 3 troubleshoots and maintenances on the Converged Area Network
- Making Sure END2END connectivity is maintained within the network and monitoring the Network for any unexpected behaviors / issues
- Troubleshooting issues on Cisco 7600 , 3600 , CRS-8 , CRS-16 , ASR, GSR , 6500 , 2800
- Juniper MX960’s , T1600’s,TXP+, T4000 , EX4200
- Involved in protocol troubleshoots BGP , ISIS , OSPF , MPLS , Multicast , VPLS / L2VPNs
- Worked on day to day maintenance and break fix issues using the ticketing system REMEDY/HP-NA
- Write SMOPS / scheduled maintenances related activities to get various CM’s / DM’s done in the specified timeframe usually during the MIDS shifts
- Involved with Major OS code upgrades on Juniper Multi chassis Routers T1600 + [ TXP+ ] 3+1 / 2+1 configurations
- Involved with Cisco CRS Code upgrades [ Moving from 3.8.1 / 4.0.0 to 4.0.4 IOS XR ] CRS 8 /16
- Added Responsibility of coordinating and scheduling any upcoming software upgrades / standardizations across the network
- Performing both reactive and proactive maintenances to upkeep the highest level of customer SLA’s
- Document and perform any deep dives - RCA’s on any ongoing or occurred outages in-order to understand and rectify any active issues in the network
- Performing Failover Testing on Various Hardware Juniper/Cisco to test and audit Launch standards
- Working with third party vendors CISCO/JUNIPER/CIENA/HP/AT&T/Level3 to make sure the various front-end tools, hardware , fibers are replaced/mended/upgraded within appropriate timeframes.
Network Engineer - Backbone
AT&T Corporation
2008.11 - 2010.06
- Part of a NOC team that Managed 4 different (SBC, Bellsouth, AT&T, AGN) large networks both nationally (With in USA) and internationally (APAC, EMEA, CALA)
- Managing all aspects of carrier relations to include circuit ordering/design/configuration/setup
- Primarily break fix operational work , Layer 2 and Layer 3 troubleshooting
Snr.Technical support engineer / Technical Trainer
Satyam
2003.02 - 2005.05
- Extensive Inbound / Outbound Technical Tier 2 call taking
- Quality (QOS) Call Backs, Advanced Procedures and Skills Team Member
- Calls related to DSL and HP Server Setup and Troubleshooting
- Troubleshooting Laptops, Computers and the Isp Dial-UP / DSL Connections [ Component Repairs and connectivity issues]
- Also troubleshooting Microsoft Windows, Linux errors
- Management of Data of Team Members and taking sessions with the team members helping them meet the performance parameters
- Case Studies and Improving Team Performance and efficiency Levels by 20%
- Promoted to the Position of Technical Trainer within 6 months
Technical Support Executive / CCA
Wipro systems
2002.03 - 2003.01
- Extensive Inbound Technical call taking
- Taking Escalations and level 2 calls from agents
- Calls Related to Dial Up Connections
- Troubleshooting Computers and the ISP Dial-UP Connections
- Also troubleshooting Microsoft Windows Errors related to Dial Connections
- Management of Data of Team Members and taking sessions with the team members helping them meet the performance parameters
- Remote Desktop Support Troubleshoot
- Conducted training sessions with the Team Leader to help the weaker team members
- Promoted to the Position of CCA within 8 months– (Command Center Analyst)
- Managed User Authentication using Radius Servers and Custom Applications
- Readth of Knowledge: (Details)
- Echnologies:
- CP/IP, NetBIOS protocol knowledge ISIS,HSRP, OSPF, RIP,BGP, VLan , Multicast, Switching/Bridging, Spanning tree, Ethernet (Fast Ether / Gig/ 10G ), OC3/12/48/192/768 POS( Sonet Circuits and Ether Circuits ), frame relay, leased lines and provisioning, copper and fiber physical cabling plants, Laying Fiber and Ether
- Network Device Experience:
- Isco Routers 12416 / 12816 / 6500 / 7200 / 3800 / 2600 / 2500 / 1700 , Cisco Switches 6509 / 4500 / 3700 / 3600 / 2800 / 2600 series, Baystack 425-24T switch, Juniper NetScreen-5GT , Unisphere ERX Switches ( 1400 ).NMT’s like
- CISCO PIX 535, 520, 515
Education
Master of Science - Information, Network And Computer Security
New York Institute of Technology
Old Westbury, NY 2006.02 - 2008.05
Bachelor of Science - Computer Sciences
Vidya Jyothi Institute of Technology
Hyderabad 1999.01 - 2004.02
Skills
Tactical Planning and execution
undefinedAccomplishments
- Certifications: (Previously Active)
- Crown Castle Fiber :- Multiple Major Migration projects at CCF . ( Most recent involved almost 2200 circuit moves ).
- NetBrain Technologies :- Employee of the Month and Lead of the Month multiple times. Deployed their complete BOSTON datacenter and most of their LAB.
- Dell :- Deployed redundant Data Center in AUSTIN TX to be an exact copy of the current MA setup within 2 months.
- Dell :- Hired and trained contractors to maintain and deploy enterprise network gear and servers in 6 weeks.
Additional Information
- Leading the customer and DCN integration efforts at Lightower/Crown Castle Fiber. (Integrating previously acquired company assets and customers).
- Letters of recommendation from both Comcast Network Engineering Manager and Comcast Network Operations managers for my work with Comcast.
- Multiple STAR Awards at Comcast Cable. Completed multiple Juniper Certifications and multiple recommendations from the higher management for excellence in work performed.
- Letter of acknowledgement from Area manager AT&T.
- Letter of Appreciation from Tech Lead R-Square, Satyam (SLA), Wipro.
- Promoted to CCA (Command Center Analyst) within 8-9 months of being hired in Wipro
- Certificates of appreciation for being ranked the Employee of the month 3 Times In Wipro.
- Certificate of appreciation -Best SME ( Subject Matter Expert ) in Satyam, helping teams reach and exceed the desired SLA multiple times.
Certification
CCNA, CCDA , CCIP ( previously active )
Timeline
AWS Certified Cloud Practitioner
2023-01
CCNA, CCDA , CCIP ( previously active )
2017-01
JNICA , JNCIS SP , JNCIP SP ( previously active )
2017-01
Network Architect
Crown Castle Fiber / Lightower Fiber Networks
2015.06 - Current
Senior Network Engineer / Team Lead
NetBrain Technologies
2014.01 - 2015.06
Senior Network Design Eng/Team Leader - DataCenter
Dell IP Services
2013.09 - 2014.01
Network Engineer - Engineering
Comcast Cable
2012.12 - 2013.09
Network Engineer - Operations
Comcast Cable
2010.07 - 2012.12
Network Engineer - Backbone
AT&T Corporation
2008.11 - 2010.06
Master of Science - Information, Network And Computer Security
New York Institute of Technology
2006.02 - 2008.05
Snr.Technical support engineer / Technical Trainer
Satyam
2003.02 - 2005.05
Technical Support Executive / CCA
Wipro systems
2002.03 - 2003.01
Bachelor of Science - Computer Sciences
Vidya Jyothi Institute of Technology
1999.01 - 2004.02
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