Haressh Singhh

Experience

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  Crescent Technologies

  Jan 2008 - Aug 2009

  System Administrator

  As a System Administrator at Crescent Technologies, I was responsible for managing customized servers and providing critical support in both in-house and data center environments. I configured and maintained network components such as TCP/IP, DHCP, and DNS, ensuring stable network performance. I handled L2 support for server and network issues, managed Windows Active Directory for user access and system administration, and worked in a heterogeneous environment supporting both Linux and Windows servers and desktops. Additionally, I administered Samba/CIFS and NFS shares for seamless file sharing and remote server support.Key Highlights:Managed customized servers and supported both in-house and data center environments.Configured TCP/IP, DHCP, DNS, and routers/switches for stable network infrastructure.Provided L2 support for day-to-day escalations and troubleshooting.Administered Windows Active Directory for user management and system access.Supported Linux and Windows servers and desktops in a heterogeneous environment.Managed Samba/CIFS and NFS shares for secure and seamless file sharing across systems. Show less

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  APL Solutions (I) Ltd.

  Sept 2009 - Mar 2013

  Linux System Administrator

  In my role as a Linux Administrator, I was responsible for configuring and maintaining key infrastructure systems. I managed Moodle e-learning servers, ensuring high availability and performance. Additionally, I designed and implemented failover solutions to enhance ISP load balancing, ensuring network reliability and continuous service availability. I also worked on securing the network by configuring PFSense firewalls, which provided robust protection against external threats.Key Highlights:Configured and maintained Moodle e-learning servers for uninterrupted service.Implemented failover solutions for ISP load balancing, ensuring 99.9% uptime.Enhanced network security by configuring and managing PFSense firewalls. Show less

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  Meru Cabs Company Pvt Ltd

  Apr 2013 - Dec 2013

  Senior IT Executive

  At Meru Cab, I managed critical Linux and Windows systems, focusing on high-availability CentOS and RedHat servers. I implemented server virtualization solutions using VMware, which boosted server utilization by 40%. Additionally, I designed and deployed file-sharing solutions using Samba and NFS to ensure seamless file access and collaboration across departments.Key Highlights:Enhanced server utilization by 40% through VMware virtualization, improving operational efficiency.Deployed high-availability CentOS/RedHat servers, ensuring minimal system downtime and optimal performance.Established reliable file-sharing systems for cross-functional collaboration. Show less

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  Coverfox Insurance

  Jun 2015 - Feb 2021

  Head Information Technology Infrastructure

  IT HeadCoverfox Insurance Broking Pvt Ltd, MumbaiJune 2015 - February 2021I led IT operations and cloud infrastructure projects at Coverfox, managing AWS workloads such as EC2, S3, and VPC. I successfully transitioned the on-premise call center infrastructure to Exotel cloud platform with zero downtime, significantly improving system reliability and scalability. I also led a team of 7 IT professionals, providing 24/7 support for internal operations and the call center.Key Achievements:Migrated on-premise call center infrastructure to Exotel cloud platform with zero downtime.Reduced IT expenses by 15% through strategic budgeting and vendor negotiations. Show less

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  Intalk.io - Agami Tech Pvt Ltd.

  Nov 2021 - Feb 2022

  DevOps Engineer

  In my role as DevOps Manager at Agami Tech, I was responsible for overseeing the operations of a hybrid cloud environment spanning AWS and Yotta Data Cloud. I led efforts to enhance system security with the deployment of Wireguard VPN, ensuring secure remote access for teams. I also engineered LXC container solutions that allowed for more efficient use of resources while improving system performance. My leadership extended to managing a team and driving automation initiatives to scale cloud infrastructure dynamically based on traffic patterns.Key Highlights:Successfully managed a hybrid cloud infrastructure environment across AWS and Yotta Data Cloud.Enhanced infrastructure security by deploying Wireguard VPN and building custom Grafana dashboards for real-time monitoring.Automated scaling and resource allocation to optimize cost efficiency and system performance. Show less

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  Assurekit Technologies

  Mar 2022 - now

  DevOps Engineer

  As a DevOps Engineer at Assurekit, I am responsible for architecting and managing scalable AWS infrastructure, ensuring 99.9% uptime across 24 instances. I automate deployment workflows via Jenkins CI/CD pipelines and have implemented Docker-based microservices architecture to improve scalability by 30%. Additionally, I use Grafana and Prometheus for server performance monitoring, helping to optimize system reliability and performance.Key Achievements:Streamlined deployment processes, reducing manual intervention by automating workflows.Enhanced system scalability with Docker and improved performance monitoring using Grafana. Show less