Years (man hours) of professional experience
Abhishek Sharma
Cloud Engineering Professional
Brno
Summary
Excellent reputation for problem-solving, improving customer satisfaction, and driving improvements, IT professional with 16 years of experience on Networking, Security, emerging Cloud-Centric and Automation technologies. Ability to scale up to new challenges in short time, strong aptitude for identifying new technologies and realizing them to meet customer expectations. Served on multiple roles ranging from Operations Support, Shift Lead, Technical Lead, SME, Project Engineer, Architect and currently as Associate Director. Designing, deploying and operating infrastructure for large-scale organizations.
Overview
30
30
9
9
Certifications across Multiple IT Areas
Work History
Architect Specialist (DevOps and Kubernetes)
TietoEvry
Ostrava
03.2022 - Current
- Adopted Kubernetes for migrating apps from Docker
- New Challenges in Designing Terraform Templates for Managing Kubernetes Clusters
- Written new CI/CD pipelines for deploying Terraform Templates to Azure
- Day-2 Configuration Management using Ansible AWX
- Managing large Number of Azure Windows Servers using Automation
- Consulting on Public Cloud Connectivity Options (ExpressRoute, Peerings)
Associate Director - Cloud Networking
Novartis
Prague
01.2021 - Current
- Introducing new features and services in cloud
- Technical lead for Azure Connectivity Teams
- Designing Secured+HA Azure Network Solutions
- Developing and Deploying Infra as Code on Azure
- Azure DevOps for CI/CD, using ARM templates
- Azure Trblshoot using Metrics/Events/Insights
- Configuring Cisco CSRs and PA VM-series in cloud
- Maintaining and Creating Azure ExpressRoute
- VNET peering and RT Adjustments
- Implementing cost-saving initiatives that addressed long-standing problems.
- Running scripts, codes via Linux/Windows Agents
Freelancer Network and DevOps Specialist
Multiple Small to Large Scale Enterprises
Remote
01.2011 - 06.2022
- DevOps: Azure CI/CD - Build and Release Pipelines
- Creating Single and Multistage YAML pipelines
- Azure Networking, CDN and VPN
- Azure AD, Subscription, RG, VM Audits
- Public IP cost cutting by 20% by removing unused IPs
- Deployments on Azure Kubernetes Cluster
- Powershell coding and using Azure CLI
- Worked with cross-functional design teams to create automation that improved overall functionality and performance.
- AKS, SSL/Secret Mgmt, Nginx Ingress Controller
- Azure Monitoring, KQL, Workbooks, PowerBI Integration
- Integrating Terraform with CI/CD pipelines
- Deploying Kubernetes components using Helm Charts
- Customizing AKS environments to meet Security Needs
Network Architect
IBM
Brno
01.2020 - 12.2020
- Cloud Migration & Virtualization: Design & Implementation
- Deploy Virtual Network Appliances on Linux BMs
- Linus advanced networking using KVMs
- Writing Ansible playbooks large scale changes
- Creating secured connectivity solutions on IBM and Azure Clouds
- Leading automation projects for Network Devices.
- Migrating legacy WAN to DMVPN Topology.
- NetScaler ADC LB/GSLB/VPN Gateway Support
- Citrix VDI Solution, XenDesktop, XenApp
- Writing new standards for Cloud Adoption
- Designing solutions for LAN/WAN migrations to new Infra
- Participating in Escalation calls, complex network troubleshooting.
- Training tier I, II, III teams
Network & Server Support
Sentegram (US)
Remote
08.2018 - 01.2020
- Deploy LAMP based websites on Linux VMs
- Migrate webservers and Firewall to AWS cloud
- Setup Remote Servers in East Africa
- Integrate Payment Processing Servers with Payment Processors in Africa
- IPSec site to site VPNs
- Test API Calls to Payment Processing Provider
- Troubleshoot PHP issues on Server
- Setup, Maintain Apache Server
- Manage SSL Certificates
Sr. Network Specialist
IBM
Brno
10.2018 - 12.2019
- Deploying Firewall & LB on Azure & AWS Cloud
- Supporting IBM customers with migration to IBM Cloud.
- Citrix NetScaler ADC & Gateway Support - VPX, MPX
- Global Migration from Legacy WAN Cisco SDWAN solution (Viptela)
- Estimation, Migration to cloud from legacy network.
- Network automation using Linux, Bash, Python & Ansible
- Training Tier II, III on VMware NSX
- Participating in Disaster recovery exercise
- Maintaining Cisco Nexus 5500, 7700 - Spine/leaf topology
- Network Virtualization using NSX
Load Balancing Support Engineer
Israel Customer (via Upwork)
Remote
07.2018 - 02.2019
- Proxy and Load Balancers setups (using HAproxy, nginx & Apache)
- Setup Apache as Network L4 Proxy
- Setup HAProxy as Network L4 Proxy
- Setup NGINX as Network L4 Proxy
- Completed projected in lesser time than other Freelancers
SME & Client Technical Leader
IBM
Brno
03.2015 - 09.2018
- Supporting Global Customer with Multiple Locations & Datacenters.
- Lead client and IBM team in developing solutions.
- Creating & Maintaining Knowledge Base.
- Taking ownership of escalated issues.
- Implementing Solutions Designed by Architects.
- Creating LLD based on Solution Deployed.
- Attending Kick-off and follow on calls with PMs, Customers
- Run BASH/Perl Scripts from Linux Jump Servers
Load Balancing Expert
Israel Customer (via Upwork)
Remote
06.2017 - 07.2018
- Create LB setups vendors: F5, A10, Alteon (Radware), NetScaler, ACE.
- NetScaler ADC - Setup LB, GSLB HA Pairs with VIP and Test LB algorithms, Failover
- F5 LTM and DNS - Setup LB, GSLB HA Pairs with detailed iRules
- Cisco ACE Configuration and Comparison with other Vendors
- A10, Alteon - Similar configuration as F5, NetScaler and Compare Performance
- Used automation to cut costs by 25%
Network Engineer Remote
US Customer (via Upwork)
Freelance
10.2015 - 12.2015
- Responding to customer tickets
- Ordering Replacement based on System Check
- Monitoring Ticket Queue and Responding
- Configuring, Upgrading Cisco Switches & Routers
- Working on Cisco IOS, NXOS, ISR devices
- Solved 98% Tickets within SLA
Assistant Professor
LNCT
Bhopal
12.2013 - 02.2015
- Lectures on Network Systems, Telecommunications.
- Made sure 95% uptime for department website.
- Performed research to serve as basis for academic writing for publication.
- Proctored exams and provided remediation for learning improvement goals.
- Mentored students and communicated internship and employment opportunities.
Network Freelancer
Independent
Bhopal
11.2011 - 04.2013
- Supporting Network for small & mid tier customers
- Creating websites, arranging web hosting services
- Network Documentation Jobs
- Cisco ASA Firewall Support
- CCNA Networking Pro - Help with CCNA Exam
- ASA with 2 ISPs - Freelancing for Britecity Lake Side, USA
- TCP/IP - Assist on Server - Switch Setup - UK Customer
- Cisco 877 Config - Configure Cable Interface on Router - UK Customer
- Network Consultant - Implementing VPN, Router, Firewall, MRTG and Security
- Different Protocols - Routing Redistribution Task
IT Specialist
AT&T
Brno
01.2011 - 01.2013
- Configure ASA firewall for Data Center.
- Configure HA features Maintaining & extending policies on firewall.
- Upgrading Firewall, Router, Switch OS
- Boarding new customers for IBM
- Configuring VLAN, Ports on Shared Infra
- Advertising New Subnets for Shared customers on ISR
- Creating Site to Site IPSec tunnel to customer premises
Boarding Architect & Delivery Engineer
AT&T
Brno
05.2010 - 11.2011
- Boarding IBM Customer teams Globally
- Configuring Cisco Switches & Routing on Shared Infra
- Deciding which Global Hubs to connect branches
- Configuring IPSec VPNs - Cisco Pix to Customer Devices
- Configuring BW on PacketShaper
- Configuring BGP, OSPF & Static Routes on Cisco routers
- Routing Redistribution
Level III Network Support Engineer
IBM
Brno
01.2008 - 04.2010
- Part of team maintaining global network of 200 sites.
- Cisco 3560, 3550, 3750 Stacks, 4500, 6500, Cat OS, IOS.
- Bay / Nortel Network Devices, Accelar, 450-T, IBM-8275.
- Cisco 11500 Content Services Switches / ACE load balancers.
- Trunking, RSTP, PVST+, MST, 802.1q, 802.1d, 802.1s.
- Port Security, loopguard, rootguard, 802.1x,storm-con.
- STP Security, PAgP, LACP, QoS, WFQ, LLQ, DSCP.
- Troubleshooting VPN 3000 series related issues.
- Checkpoint NGX Firewall, R55, R60, Nokia IP 330
- Incident handling, change management using Remedy.
- Network Documentation, Visio Diagrams updates
Network Engineer
AztecSoft
Pune
11.2006 - 12.2007
- Managing Network consisting of 3000 end users.
- Designing and maintaining network infrastructure.
- Managing Pix Firewalls, Cisco 4507R, 3560, 2800, 3800.
- VoIP, Cisco 7940 series, Cisco Call Manager 5,.
- VoIP Gateways, intercity trunks, SLAs,.
- Replacing Router Modules, 7200, DSP cards.
- Replacing Ethernet modules of 6500 series switches.
Resident Network Engineer
Datacraft
Pune
11.2006 - 12.2007
- Designing, testing, implementing & optimizing network.
- Network & Server performance monitoring using SNMP.
- Configuring and maintaining PIX515E, Netscreen firewalls.
- Co-ordination with external / internal project teams,.
- ISP Firmware / Hardware Upgrade for Network Infrastructure.
- Complex config change & network documentation.
- Managing VoIP, IPLC, Cisco-7940, 7936, CCM.
- Operating and maintain multi-vendor network.
- CoS, QoS, DSCP, Packetshaper, Packeteer.
- Providing technical support & conducting training sessions.
- Dealing with External Vendors, BoM & Order placement.
Customer Service Advisor
ClientLogic
Newcastle
07.2005 - 05.2006
- Working for National Rail Enquiries.
- Answering customer calls on train & booking related queries.
- It was part-time, non-technical, customer call center job.
- Above Average Call Handling Time - 99% calls within ACH
Education
Master of Science - Network Systems
University Of Sunderland
United Kingdom Sep 2004 - Feb 2006
Bachelor of Engineering - Electronics And Communications
Government Engineering College
Bhopal, M.P. India Jul 2000 - Jul 2004
Skills
Azure DevOps, CI/CD Build/Release Pipelines
Public Cloud Networking - Azure, AWS
Kubernetes, Terraform, AKS, Git Experience
Scripting - Python, PowerShell, BASH
Linux Experience
Ansible , AWX
Virtualization - VMWare ESXI, NSX-T
Load Balancing - F5 LTM, DNS, NetScaler
PFSENSE, VyOS, Linux KVM Networking
VPN - IPSEC, SSL, L2TP, OpenVPN
Documentation - Visio, Excel, Tech Specs
SolarWinds, Nagios, Zabbix, Cacti
IPAM, DNS, DHCP - Infoblox, EfficientIP
Web/App Components - Apache, NGINX, MySQL
Cisco Routing/Switching - IOS, Nexus, XE Series
Firewalls - Checkpoint, Cisco ASA, Fortinet, PaloAlto
Citrix NetScaler - LB, GSLB, SSL Gateway
Enterprise WiFi - Cisco WLC, APs
Cisco SD-WAN, DMVPN, MPLS
Proxies - Bluecoat SG, Nginx, HAProxy, Apache
Certification
Cisco Certified Network Associate (CCNA)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
Good judgment comes from experience. Experience comes from bad judgment.
Jim Horning
Timeline
Certified Kubernetes Administrator
11-2022
Architect Specialist (DevOps and Kubernetes)
TietoEvry
03.2022 - Current
Associate Director - Cloud Networking
Novartis
01.2021 - Current
Network Architect
IBM
01.2020 - 12.2020
Sr. Network Specialist
IBM
10.2018 - 12.2019
Network & Server Support
Sentegram (US)
08.2018 - 01.2020
Load Balancing Support Engineer
Israel Customer (via Upwork)
07.2018 - 02.2019
AWS Certified Solutions Architect - Associate
11-2017
Load Balancing Expert
Israel Customer (via Upwork)
06.2017 - 07.2018
VMware Certified Professional 6 – Network Virtualization
04-2017
ITIL® Foundation Certificate in ITSM
12-2016
F5 201: TMOS Administration
01-2016
Network Engineer Remote
US Customer (via Upwork)
10.2015 - 12.2015
F5 101: Application Delivery Fundamentals
04-2015
Cisco Certified Design Professional (CCDP)
03-2015
SME & Client Technical Leader
IBM
03.2015 - 09.2018
Assistant Professor
LNCT
12.2013 - 02.2015
Network Freelancer
Independent
11.2011 - 04.2013
Freelancer Network and DevOps Specialist
Multiple Small to Large Scale Enterprises
01.2011 - 06.2022
IT Specialist
AT&T
01.2011 - 01.2013
Boarding Architect & Delivery Engineer
AT&T
05.2010 - 11.2011
Level III Network Support Engineer
IBM
01.2008 - 04.2010
CCNP - Cisco Certified Network Professional (CCNP)
12-2007
Network Engineer
AztecSoft
11.2006 - 12.2007
Resident Network Engineer
Datacraft
11.2006 - 12.2007
Cisco Certified Network Associate (CCNA)
03-2006
Customer Service Advisor
ClientLogic
07.2005 - 05.2006
Master of Science - Network Systems
University Of Sunderland
Sep 2004 - Feb 2006
Bachelor of Engineering - Electronics And Communications
Government Engineering College
Jul 2000 - Jul 2004