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Manpreet Singh Nehra, Architecture Developer in Greater Noida, Uttar Pradesh, India
Manpreet Singh Nehra

Architecture Developer in Greater Noida, Uttar Pradesh, India

Member since April 20, 2019
Manpreet is a system administrator and DevOps engineer, and since 2002, he's worked at several startups and multinational corporations. The bulk of his work has consisted of providing support to developers and infrastructures (on bare-metal, public, and private clouds) and designing and implementing cloud and infrastructure architectures in highly available, scalable, and cost-effective configurations.
Manpreet is now available for hire

Portfolio

Experience

  • Zabbix, 8 years
  • Architecture, 5 years
  • Amazon Web Services (AWS), 4 years
  • AWS CloudTrail, 3 years
  • AWS IAM, 3 years
  • GitLab CI/CD, 3 years
  • AWS EC2, 3 years
  • AWS CloudWatch, 3 years
Greater Noida, Uttar Pradesh, India

Availability

Part-time

Preferred Environment

Linux and Open-source-based Setups

The most amazing...

...thing I’ve done was to build out fully from end to end a CI/CD pipeline with AWS and Ansible (with no manual intervention).

Employment

  • SaaS Ops Chief Architect

    2018 - 2019
    An Online Freelance Agency
    • Oversaw the uptime of multiple products.
    • Spearheaded and managed changes.
    • Monitored and alerted applications using Zabbix.
    • Worked with Docker images and deployments.
    • Deployed CD pipelines using Ansible.
    • Wrote multiple Bash/Python Scripts.
    • Used Jira for task management.
    Technologies: Docker, Ansible, AWS, Python
  • Senior Infrastructure Engineer

    2017 - 2018
    Belzabar Software Pvt. Ltd
    • Implemented OpenVPN (routed) to connect all managed locations with failovers using Corosync/Pacemaker.
    • Performed a GitLab continuous integration using Docker.
    • Completed a GitLab continuous integration using the AWS Platform.
    • Set up authentication with Samba 4.
    • Established an Ansible setup for CI/CD.
    Technologies: AWS, Ansible, Docker, Python, OpenVPN, GitLab
  • Chief Architect

    2016 - 2017
    Nehra Consultancy Services
    • Created an auto-scaling product.
    • Scaled a new product using OpenNebula autoscaling to and built the setup from scratch.
    • Implemented Tally on a cloud setup for OpenNebula.
    Technologies: OpenNebula, KVM, SaltStack, GitLab
  • Manager – Systems (Server Support)

    2015 - 2016
    Tolexo Online Pvt. Ltd
    • Provided server support for a Linux operating system.
    • Supported an application (Nginx, PHP, FPM, Go, Node.js).
    • Provided database support for applications.
    • Implemented Zabbix to monitor all of the servers along with Grafana and Datadog.
    • Used Samba 4 for central authentication/SSO.
    • Implemented SaltStack for configuration management.
    • Built an environment as well as cloud-based internal storage (using ownCloud).
    • Wrote scripts to manage LDAP (Perl) and integrated Zabbix and LDAP; also created deployment scripts (Bash) for live/QA deployments.
    • Created a VPN network to integrate all production environments together and make single point monitoring possible.
    • Administered trouble ticketing using request tracker and documentation program called Foswiki (Markdown).
    Technologies: Samba 4, Bash, SaltStack, OpenVPN, Python, ownCloud, Zabbix
  • Senior Systems Administrator

    2014 - 2015
    Lazada.com
    • Supported a Linux operating system on servers; also provided Nginx and database support for applications.
    • Monitored all of the servers and various custom parameters using Zabbix.
    • Implemented an LDAP central directory for authentication and authorization.
    • Composed scripts to manage LDAP (Perl) and integrate Zabbix and LDAP.
    • Implemented Mcrouter and conducted testing for various setups.
    • Used Puppet for configuration management and development environment setup scripts.
    • Developed a VPN network to integrate all production environments together and make single-point monitoring possible.
    Technologies: LDAP, Perl, Bare Metal, Mcrouter, OpenVPN, Zabbix
  • Systems Administrator

    2011 - 2014
    Freelance Work
    • Chose and implemented Bacula for central authentication and the streamlining of backups.
    • Set up single sign-on testing using OpenLDAP and Kerberos.
    • Enabled single sign-ons by using Samba 4.
    • Enabled master-master replication between MySQL servers.
    • Set up LDAP and Kerberos for clients (Linux).
    • Implemented Cacti and Nagios monitoring.
    • Set up Bind and DHCPD with automatic updates and bind replication and a DHCP peer setup.
    Technologies: Bacula, pfSense, OpenLDAP, Kerberos, Samba 4, MySQL, Pacemaker, Corosync, Bind, Isc-DHCP, Nagios, Cacti
  • Senior Systems Engineer

    2008 - 2011
    Yahoo R&D Centre India Pvt. Ltd
    • Resolved tickets related to Yahoo, media delivery within TAT.
    • Worked with team members in defining requirements of tools developed by operations.
    • Facilitated and coordinated tasks between different teams (development, QA, operations); focused on operating-system-related issues.
    • Coordinated with developers for application-related issues in production hosts.
    • Implemented change management procedures for configuration changes.
    • Monitored servers/groups for errors and preemptively checked errors and fixed problems.
    • Used Nagios/MRTG to monitor hosts and set up/maintained application jails.
    Technologies: Nagios, Yahoo, Linux
  • Systems Administrator

    2007 - 2008
    Freelance Work
    • Provided infrastructure support for local and remote servers; worked with Apache/MySQL servers.
    • Implemented load balancing over multiple ISPs (3) using OpenBSD.
    • Replaced the firewall for Linux on OpenBSD.
    • Used Cacti for monitoring along with Zabbix for data collection.
    Technologies: LDAP, OpenBSD PF, Active Directory
  • System and Network Manager

    2007 - 2007
    Solutions R&D Lab (India) Pvt. Ltd.
    • Built and managed a team of information systems personnel to administer to computers, networks, and information systems and to provide Infrastructure support for local and remote servers; also recruited computer engineers and monitored their training.
    • Monitored the budget and expenditures of the department.
    • Planned and executed network security policies for the use of electronic and other infrastructure within the organization.
    • Developed software policies for the movement of data within the organization with respect to the code.
    • Managed vendors.
    • Set up the Firewall (iptables), mail server (Postfix), and remotely hosted mail.
    • Successfully set up and maintained TRAC for project management, a wiki for collaboration, and RT for client issues.
    • Imparted training to users on the usage of TRAC; also created and managed Perl scripts to modify TRAC configuration and subversion.
    Technologies: iptables, SVN, Postfix, MySQL, Bacula, Bind, Active Directory

Experience

Skills

  • Frameworks

    AWS HA
  • Tools

    OpenVPN, Zabbix, AWS CloudWatch, AWS CloudTrail, AWS IAM, GitLab CI/CD, Ansible, AWS CLI, Pacemaker, Keepalived, pfSense, iptables, Nagios, Grafana, ELK (Elastic Stack), AWS SES, Nginx, SaltStack, AWS EBS, AWS ELB, AWS ECR
  • Platforms

    AWS EC2, Debian Linux, Amazon Web Services (AWS), Linux, OpenBSD, Docker, Kubernetes, Apache2
  • Storage

    AWS RDS, AWS S3, MySQL/MariaDB, Datadog
  • Languages

    Python 3, Perl, Bash Script
  • Libraries/APIs

    OpenLDAP, AWS EC2 API
  • Paradigms

    Samba
  • Other

    LDAP, Kerberos, NFS, Architecture, AWS Route 53, AWS API Gateway

Education

  • Bachelor of Engineering degree in Chemical Engineering
    1998 - 2002
    Thapar Institute of Engineering and Technology - Patiala, India
Certifications
  • AWS Certified Security Speciality
    MAY 2019 - MAY 2022
    Amazon Web Services
  • AWS Certified Cloud Practitioner
    APRIL 2019 - MARCH 2021
    Amazon Web Services, Inc.
  • AWS Certified SysOps Administrator
    SEPTEMBER 2017 - AUGUST 2019
    Amazon Web Services, Inc.
  • AWS Certified Developer — Associate
    SEPTEMBER 2017 - AUGUST 2019
    Amazon Web Services, Inc.
  • AWS Certified Solutions Architect — Associate
    JUNE 2017 - MARCH 2021
    Amazon Web Services, Inc.
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