// SENIOR DEVOPS & INFRASTRUCTURE ENGINEER

Akshat
Kalkhanda

New Delhi, India
🔒 +91-8XXXXXXXX8 ⚠️ For security reasons, please reach out via email
akshatkalkhanda@gmail.com
linkedin.com/in/akshatkalkhanda
LinkedIn Profile
10+
Years Experience
400+
Servers Managed
6
Certifications
10
AWS Accounts
akshat@infra-core ~ bash
akshat@infra-core:~$ whoami --verbose
name:      Akshat Kalkhanda
role:      Senior DevOps & Infrastructure Engineer
location:  Remote / New Delhi, India
experience: 10+ years

akshat@infra-core:~$ kubectl get nodes --infra-stats
NAME              STATUS  COUNT
nutanix-cluster   Ready   300+
vmware-vms        Ready   100+
aws-accounts      Active  10

akshat@infra-core:~$ ansible --impact --deployment-reduction
deployment_time_reduced:  ~40%
provisioning_effort_cut:  85% (7 days → 1 day)
daily_toil_eliminated:   10+ hours
unplanned_downtime:      ZERO

akshat@infra-core:~$
expertise

Technical Stack

☁️ Cloud & Virtualization
AWS EC2AWS S3AWS IAMAWS VPCCloudWatchGCPNutanixVMware vSphere
⚙️ CI/CD & Automation
JenkinsGitLab CI/CDAnsibleTerraformGit / GitHubForemanWSUS
🐧 Operating Systems
RHELCentOSAlmaLinuxUbuntuWindows Server
📜 Scripting & IaC
BashShell ScriptingPerlSed / AwkAnsible PlaybooksTerraform HCL
🔒 Monitoring & Security
Wazuh SIEMIcingaNagiosZabbixPrometheusGrafanaPalo Alto FirewallIPTables
🌐 Networking
TCP/IPDNS / DHCPSSL/TLSHAProxyLoad BalancingVPN
☸️ Containers & Orchestration
Kubernetes (CKA)DockerHelm
🗄️ Databases & Platforms
PostgreSQLMySQLJiraConfluenceAsterisk VoIPJanus WebRTC
impact

Key Automation Projects

CENSHARE · 2022 – PRESENT
⚙️
40% faster
Jenkins CI/CD Pipeline Automation
Architected Jenkins-based CI/CD pipelines integrated with Ansible playbooks to fully automate new environment deployments — from VM provisioning all the way to application configuration — significantly reducing deployment time and eliminating manual steps across all environments.
Jenkins Ansible GitLab CI/CD Terraform
CENSHARE · 2022 – PRESENT
🛡️
400+ servers
Enterprise Wazuh SIEM Implementation
Delivered end-to-end Wazuh SIEM for SOC operations. Rolled out agents across 400+ servers, wrote custom detection rules, configured alerting workflows, and produced ISO audit compliance reports — giving the security team full visibility across the entire estate.
Wazuh SIEM ISO Audit SOC
CENSHARE · 2022 – PRESENT
🔄
100+ servers
Zero-Downtime OS Migration
Led the complete VMware CentOS to AlmaLinux migration across 100+ production servers. Managed compatibility testing, rollout scheduling, and production cutovers with zero unplanned downtime across all environments.
AlmaLinux CentOS VMware Foreman
CENSHARE · 2022 – PRESENT
☁️
0 data loss
AWS to Nutanix Data Migration
Executed a large-scale cloud-to-on-prem migration from AWS to Nutanix. Coordinated with application and database teams to achieve zero data loss and minimal service disruption. Right-sized Terraform infrastructure across 10 AWS accounts for cost and security optimisation.
AWS Nutanix Terraform Zero Data Loss
CENSHARE · 2022 – PRESENT
🔀
F5 → HAProxy
Load Balancer Migration with Full Observability Stack
Led the migration from F5 hardware load balancers to HAProxy using Ansible playbooks for automated deployment. Implemented Keepalived for HA failover, Prometheus for metrics collection, and a dedicated Grafana server with custom dashboards showing per-customer bandwidth usage in real time.
HAProxy Ansible Keepalived Prometheus Grafana
C-ZENTRIX · 2014 – 2022
⚡
85%
Cluster Deployment Automation
Engineered Ansible playbooks for full end-to-end Czentrix cluster deployment. Cut provisioning from 7 man-days to a single day, enabling same-day client onboarding and eliminating manual configuration errors across all nodes.
Ansible Shell RHEL HAProxy
C-ZENTRIX · 2014 – 2022
🔍
10+ hrs/day
Multi-Cluster Health Check Automation
Built a shell-based cluster health monitoring system using key-based SSH from a central CMS server across 12 to 15 clusters. Saved 30 to 45 minutes per cluster per day. Reports auto-exported to Excel and distributed via Mutt email — zero manual effort.
Bash SSH Key Auth Mutt Excel Export
C-ZENTRIX · 2014 – 2022
📞
WebRTC
Janus WebRTC Gateway Integration
Collaborated with the development team to implement Janus WebRTC Gateway, enabling real-time audio and video communication within the enterprise contact center platform. Handled infrastructure setup, network configuration, and production rollout.
Janus WebRTC Asterisk VoIP
career

Work History

JAN 2022 – PRESENT
IT Specialist – DevOps & Infrastructure
Censhare GmbH (Part of Entirely – Marmind, Censhare, Elaine, Facelift) · Remote, India
  • Administered hybrid infrastructure at scale: 300+ Nutanix servers 100+ VMware VMs 10 AWS accounts — covering provisioning, capacity planning, and day-to-day operations.
  • Architected Jenkins-based CI/CD pipelines integrated with Ansible playbooks for fully automated environment deployments — reducing deployment time by ~40%.
  • Delivered end-to-end Wazuh SIEM implementation for SOC operations: agent rollout across 400+ servers, custom rule development, alerting, and ISO audit compliance reporting.
  • Led VMware CentOS → AlmaLinux migration across 100+ production servers with zero unplanned downtime.
  • Managed OS patch lifecycle using Foreman & WSUS, ensuring 100% compliance across a 400+ server estate.
  • Executed large-scale AWS-to-Nutanix data migration with zero data loss and minimal service disruption.
  • Reviewed and optimized Terraform-based AWS infrastructure across 10 accounts — reduced cloud spend through right-sizing and policy enforcement.
  • Owned Icinga & Nagios monitoring stack — built dashboards, tuned thresholds, significantly improving on-call efficiency.
  • Administered Jira & Confluence for 50+ engineering & ops team members.
  • Led F5 to HAProxy migration using Ansible playbooks for automated deployment; implemented Keepalived for HA failover, Prometheus for metrics, and Grafana dashboards for per-customer bandwidth monitoring in real time.
  • 🌍 Onsite – Munich, Germany: Visited the Censhare HQ for deep team collaboration with the onsite engineering team. Sessions covered product installation walkthroughs, certificate update processes, AWS architecture reviews with the team, and hands-on knowledge transfer. Also involved team lunches, outings, and team bonding — building strong working relationships with the global team.
DEC 2014 – JUN 2022
DevOps Engineer
C-Zentrix (Czentrix Technologies Pvt. Ltd.) · Gurugram, India
  • Managed RHEL/CentOS/Windows Server environments and core infrastructure — IPTables, DNS, DHCP, HAProxy, MySQL — across a 24x7 enterprise contact center platform.
  • Initiated organization-wide migration from VSS to GitLab, establishing modern source control and CI/CD foundations.
  • Engineered Ansible playbooks for end-to-end cluster deployment — cutting install time from 7 man-days → 1 day (85% reduction).
  • Developed automated cluster health-check scripts across 12–15 clusters, eliminating 10+ hours of daily toil.
  • Implemented TeamPassword enterprise password manager org-wide, enforcing centralized credential governance.
  • Collaborated to implement Janus WebRTC Gateway, enabling real-time audio/video in the contact center platform.
  • Built and maintained Nagios & Zabbix monitoring across 100+ nodes with customized alerting.
  • Delivered internal training programs covering Linux, Asterisk VoIP, Nagios/Zabbix, HAProxy, and SSL management.
  • 🌍 Onsite – Jakarta, Indonesia: Represented Czentrix internationally for a client POC engagement, leading on-ground deployment and client handover.
credentials

Certifications

🎖️
Red Hat Certified Engineer
Red Hat · RHCE
🎖️
Red Hat Certified System Administrator
Red Hat · RHCSA
⚙️
Red Hat Ansible Automation Specialist
Red Hat
☸️
Certified Kubernetes Administrator
CNCF · CKA
🐧
CompTIA Linux+
CompTIA
☁️
AWS Certified Solutions Architect – Associate
Amazon Web Services · SAA-C02
📚
Introduction to Linux
edX Honor Code Certificate
🔐
Cyber Security & Ethical Hacking
Sedulity Groups
academics

Education

MCA
Sikkim Manipal University
Master of Computer Applications · Distance Education, Delhi
2014 – 2017
BCA
S.D. College of Management Studies
Bachelor of Computer Applications · Muzaffarnagar, UP
2011 – 2014
always learning

Currently Exploring

ACTIVE
🤖 AI Enthusiast 🔥 Passionate
Deeply passionate about the AI revolution — following LLMs, generative AI, AI agents, and how artificial intelligence is reshaping infrastructure, automation, and the future of work. Uses AI tools daily to accelerate learning, automate tasks, and stay ahead of industry shifts.
ACTIVE
n8n Workflow Automation
Self-hosting and experimenting with n8n for automating internal workflows, webhook integrations, and connecting services without code. Exploring enterprise use cases for IT ops automation.
ACTIVE
AI Agents & Agentic Tooling
Following the evolution of agentic AI frameworks including Claude, AutoGPT-style agents, and LangChain-based pipelines. Interested in applying AI agents to infrastructure remediation and automated runbooks.
LEARNING
GitOps & Platform Engineering
Deepening knowledge of GitOps principles using ArgoCD and Flux. Exploring the shift from traditional DevOps to Platform Engineering and Internal Developer Platforms (IDPs).
EXPLORING
Open Source Self-Hosted Stack
Actively exploring trending open-source self-hosted tools — from Clawbot and automation agents to infrastructure monitoring and observability stacks. Always looking for what's next before it goes mainstream.
INTEREST
Online Gaming & Strategy
Avid online gamer — enjoys the strategy, teamwork, and problem-solving elements that gaming shares with infrastructure work. Downtime is for defeating bosses and optimising builds.
LIFESTYLE
Exploring the World
Has represented organizations in Jakarta, Indonesia and Munich, Germany for client engagements. Enjoys travelling, discovering new cultures, and bringing that global perspective back to work.
get in touch

Let's Connect

Open to senior DevOps, infrastructure, and platform engineering opportunities globally. Available for relocation and remote roles.

📧
Email
akshatkalkhanda@gmail.com
💼
LinkedIn
linkedin.com/in/akshatkalkhanda
📍
Location
New Delhi, India
✈️
Availability
Open to Relocation