Linux Engineer Systems
Resume:
Technical Summary
DevOPs Linux Engineer Holding * years of experience in analyzing, troubleshooting, maintaining, and deploying systems and networks in diverse environments. Hands-on experience with automation tools such as Ansible and Docker. Experience working under high pressure environments as well as deploying the entire infrastructure using automation on data centers and cloud based environments. Ensuring that Linux systems are running smoothly, efficiently, and securely, and that they meet the needs of the organization. Professional Expertise:
Configuration and
administration of Rhel
6.x/7.x/8.x, Centos 6/7.
Experience with virtualization
(VMWare), ESXi, VCenter,
Vshere, Vcenter, Vmotion,
Cloud architectures – Public
(AWS) familiar with EC2, S3,
Glacier, EBS, EFS, ELB, Auto-
Scaling, Cloud watch.
Strong experience in GIT and
Ansible & Ansible Tower
Managed containers
(Docker) and familiar
with Kubernetes.
Jira, and Service Now.
Deployment and
maintenance of
services such as
Apache and MySQL.
Experience in scripting
using Shell/Bash.
LVM & RAID
Performance monitoring
with Nagios and
Prometheus.
Security management with
OpenSSH, TCP wrappers,
iptables, firewall, and
SELinux.
Support Backup, Recovery,
Performance, and Tuning
of Linux systems,
NIC Teaming
Experience:
DevOps Linux Engineer
Microsoft, Redmond, Washington - 09/2020 - Present
● Installing, configuring, and maintaining Linux servers and systems, including various distributions such as Red Hat, Ubuntu, Debian, etc.
● Configured and maintained GIT centralized repository servers for managing playbooks, scripts, code releases, and application configurations.
● Patching the servers through Ansible and updating packages through Red Hat satellite.
● Enhancing functionality, automating system processes, and managing large numbers of systems and applications efficiently and consistently through Ansible.
● Strong experience in automating large-scale deployments with automated configuration and deployment management systems in Ansible.
● Experience in running Ad-hoc commands to make configurations gathering facts and creating playbooks and roles to automate provision, configuration, application deployment, and curtailing time for task completion.
● Supporting VMware environment comprising ESXi hypervisor to achieve high availability and fault tolerance.
● Worked with Ansible tower for managing credentials and making Ansible inventory management more intuitive using the graphical user interface.
● Patching Linux servers by applying updated patches to Linux servers using Ansible playbooks in dev, pre-prod, and prod environments to avoid vulnerabilities and security management.
● Managed GitLab repositories and permissions, including branching and tagging.
● Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instances for snapshots and created cloned instances.
● Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups
● Granted security and Configured user access and limits using AWS Identity and Access Management (IAM).
● Creating and managing Elastic Block Storage (EBS) and S3 buckets.
● Used Docker images, Docker hub, and Docker registries for the containerization of multiple applications.
● Troubleshooting the application alerts from monitoring tools like Prometheus and performing Root Cause Analysis.
● Extensively using LVM for disk management and supporting multiple filesystems on the same Linux host, where extending LVs and resizing root, and SWAP and other file systems using LVM.
● Managing the File System of all OS. Making sure that no file systems run out of space and all file systems are properly mounted. Creating Ext3, EXT4 and XFS file systems.
● Configuring Kickstart and deploying PXE-Boot server for the unattended arrangement of Linux servers built over the network.
Linux Admin
Honeywell, NJ - 02/2018 - 08/2020
● Responsible for patching, provisioning, and setting up CentOS, and RHEL virtual machines using templates, cloning, and taking snapshots of VMs.
● Experience in migration of servers from Physical-to-Virtual (P2V) and Virtual-to-Virtual
(V2V).
● Configured NFS server and mounted exported NFS resources at the client-side. NFS Administration, exporting file systems, mounting exported file systems.
● Configured RAID for the purpose of saving or storing the same data through several hard disks to keep information safe.
● Performing vulnerability scanning, using system hardening and software patching to make the system more secure.
● Performed troubleshooting of various BOTTLENECKS related to CPU and memory using network monitoring resources.
● Experience in making SSH password less entries to access servers and troubleshoot issues.
● Reviewed resolved tickets, solved user-related opened tickets, and escalated the tickets to respective individuals.
● Working in Kernel tuning changing kernel parameters to customize features to meet client’s needs.
● Resolved issues related to Network using IFCONFIG, ROUTE, NETSTAT, TRACEROUTE, TCPDUMP, NSLOOKUP, WIRESHARK.
● Built different operating systems such as RHEL
● Working with network troubleshooting, assigning IP address (static and dynamic), Hostnames, HOSTS Administration.
● Working with the Network teams to configure the NIC bonding assignments for redundancy, enhanced performance, and fault tolerance.
● Participating in on-call rotation for Linux systems and troubleshooting urgent issues, to ensure that systems are available and responsive at all times. Jr. Linux Admin
Raj jewels, NJ - 03/2017 - 12/2017
● Provided first-level support for Linux-related issues.
● Manage swap space and memory to improve server efficiency and performance.
● Managed and monitored software and package updates
● Configure SSH password less connectivity, and Sudo access on a need basis.
● Worked with basic networking and security.
● Racked and stacked servers and maintained cabling.
● Created Archive and extracted the Archive files.
● Participated in on-call rotation for Linux systems and troubleshooting urgent issues.
● Configuring and maintaining common Linux services such as DHCP, NFS, FTP, LDAP, DNS, HTTPD and Apache.
● Maintained file systems, managed user accounts, permission and ACLs.
● Managed storage including partitioning of disks and monitored performance of systems and networking.
● Performed administration work on different servers such as apps service management and serves reboot.
Education
MBA (Marketing)
Institute of Business Management - Karachi Pakistan (2016) BBA (Honors) - Marketing
Institute of Business Management - Karachi Pakistan (2014)
Contact this candidate