Sulaiman Lashari
Product Management
New York, United States
Skills
DevOps
About
SULAIMAN LASHARI's skills align with Consultants and Specialists (Information and Communication Technology). SULAIMAN also has skills associated with System Developers and Analysts (Information and Communication Technology). SULAIMAN LASHARI appears to be a low-to-mid level candidate, with 4 years of experience.
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Work Experience
Linux System Engineer/Cloud Architect
AT&T
September 2021 - Present
- * Build Servers via PXE-boot alike method via Red Hat Satellite 6 web client user interface along with automating the built process utilizing Hammer CLI, maintain LDAP Servers via Red Hat Directory Services, fix domain client connectivity issues and apply OS patches. * Provision remote access to ensure compliance with corporate security guidelines using RSA Security Console, read through compliance documentation and then implemented across newly deployed systems. * Collaborated with vendors to minimize costs while ordering system parts such as memory, motherboard, and hard disks. * Evaluation, design, and development, and deployment of additional technologies for services on AWS and GCP. GCP (GCE, GCS, VPC/Subnets, Stack driver) AWS (EC2, S3, RDS, ECS, Elastic Load Balancer, EBS, RDS, IAM, Route 53, Auto Scaling Groups) * Implemented AWS Code Pipeline and created Cloud formation JSON templates in Terraform for infrastructure as code. * Utilized Terraform and Ansible to automate provisioning and repetitive tasks across Docker containers and Service Orchestration. * Played a key role in automating the deployments on AWS, GCP using GitHub, Terraform, Ansible and Jenkins * Post Jenkins code review, deployed code as per Developer requirements to application servers using GIT. * Upgraded Kubernetes for the most optimal use and stable version compatible to the infrastructure. * Efficiently managed clusters of Linux containers using Kubernetes. * Worked along SAN team to allocate new storage as needed across the bare metal systems and partake in data migration for database systems and OS level LVM migration. * Deployed servers on bare metal, virtual and cloud platforms, utilizing Red Hat Satellite for provisioning the server profiles according to client and infrastructure placement. * Utilized and managed Red Hat Satellite 6 server for Repos and Subscription management, Architected and deployed Red Hat products via Red Hat Content Delivery/Content Views management. * Automated and deployed Ansible YAML playbooks as needed to enhance and configure infrastructure systems, along with day-to-day tasks and post built hardening according to the organization's compliance standard. * Managed and deployed infrastructure configuration files such as PAM, SSHD and other to sync with infrastructure systems such as LDAP, Authentication and synchronized time keeping via NTP/Chrony * Familiarity with AWS and GCP control management console to spin instances as needed per client base along with traditional bare metal deployment with HP and UCS blades. * Managed and scaled container needs using docker images and orchestration using Kubernetes/Kubectl interface. * Liaison among organizational teams to achieve resolution to remediate issues and bottlenecks to fulfill the ideal state of productivity. * Managed Amazon Web Service Identity Access Management/IAM polices to provide and grant access to the AWS console and managed storage needs for EC2 instances per AWS storage products such as EBS, S3 and AWS Storage gateway. * Managed and partaken in applying Red Hat Errata across the infrastructure systems to remediate vulnerabilities using Ansible YAML playbooks, Ansible Adhoc and Red Hat Satellite 6 server during coordinated bridge call with the application team and database admins. * Coordinated with the Database Admins to provide and allocate storage requirements as needed and provisioning partition for ASM use.
Linux System Administrator
L'Oréal
December 2019 - September 2021
- * Resolving network & DNS related issues utilizing the most optimal OS utilizes such as traceroute, netstat, nslookup, dig, sshd, nfsd, mountd, strace * Performance system issue detection using OS utilities such as top, vmstat, iostat, vmstat, system activity report (SAR) * Used puppet master to keep in sync configuration on infrastructure systems hosting business optimal running applications via running agents. * Installing LAMP stack (Linux, Apache, MySQL, Php) to achieve an optimal ecosystem of web hosting to host and maintain a web client interface for user experience. * Troubleshooting and maintaining of TCP/IP, Apache HTTP/S, Tomcat, SMTP, and DNS applications to obtain a cohesive flow of network data exchange. * Knowledge of BASH scripting; modified scripts, functions, loops via one liner command line interface and constructed a file with multiple sets of functions, loops and other scripting concepts to achieve a more automated in place efforts to apply configuration amongst a large of Red Hat Enterprise Linux systems. * Assign RSA tokens monitor unauthorized activities and unsuccessful attempts and notify network team. * Accountable for the security of IT assets, initiated Found Stone's network scans to pinpoint vulnerabilities and policy violations. * Administer AD users and groups and promptly resolve hardware/application issues in Windows environment. * Installing Netbackup server, clients, and ensuring clients are being backed up regularly. * Fixing hosts that are not being backed up regularly and removing non-existing servers from the backup policy to free up resources on the Netbackup server. * Configuring and maintaining Samba servers to provide access to UNIX home directories and printers on Windows platforms. * Installing ESXI 5.5 on Dell and HP servers performed physical to virtual migrations. * Installed and maintained LAMP stack and resolving connectivity issues on daily basis. * Troubleshoot and provide 24/7 support for environmental systems and technical support. * Installed Windows (Windows XP and 2003 Servers) and Linux Operating systems (Redhat and CentOS) * Prepared correspondences and maintained client appointment logs and records within management and security approved tickets based on the application admin needs. * Provided ongoing support to build rapports and disseminate information. * Utilized troubleshooting skill to diagnose and resolve login issues, monitoring system messages indicating authentication logs, resetting passwords. * Performed software installations on Linux Systems underneath the /opt directory and regularly scheduled updates to the latest and greatest as compliance guideline. * User and group management on AD and LDAP Client via Red Hat Directory Services, constructing and managing netgroup LDIF files. * Reconfigured/set up machines for new hires and provided documentation to shed insight to the infrastructure departmentalized environment management, systems and methodologies. * Provided technical assistance by resolving DNS related issues using OS files such as name server switch configuration file, /etc/hosts, resolve configuration and using other OS utilities such as DIG and NSLOOKUP * Created project directories and setting up proper execute permissions using permission bits such as setuid, setgid and sticky bit. * Constructed and created ACL permissions per user/group bases on specific files and directory's structure. * Deployed across the infrastructure using DHCP, TFTP and PXE enabled NIC to perform boot installation via the internal network. * Worked along departmental VMware team to allocate and coordinate virtual machine hardware reconfiguration as instructed by the App Team to remediate OS bottlenecks after diagnosis. * Capacity management utilizing LVM file systems to increase space as needed by the OS and application utilization. * Managed and troubleshoot physical bare metal servers via HP/iLO, UCS/KVM management consoles and monitor system health checks for faulty hardware. * Monitored the server for CPU utilization, memory utilization, and disk utilization for performance tuning. * Created, Cloned Linux Virtual Machines and templates using VMWare. * Verification of the built servers * Worked extensively with Network File System (NFS) for storage. * Patching of RHEL5.3 servers during outage for PCI compliance purpose as well as VCS patching for Solaris servers during weekend outage * Kernel Upgrading from EL5.3 to 5.4 during outage in production boxes. * Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list. * Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues. * Software package and patch administration, involving adding and removing software packages and updating patches. * Handling problems or requirements as per the ticket (Request Tracker) created. * Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments. * Maintained proper documentation of all the activities carried out during the project.
