Abdifatah Adan Abdiladif

Contact: +1-986-***-**** E-Mail: admyfk@r.postjobfree.com

Professional Summary

Over 3 Years of IT industry experience as a System Administrator with Strong Linux administration skills & willingness to learn and to support new technologies. Good implementation/troubleshooting skills on LINUX, AWS CLOUD, DEVOPS, SHELL SCRIPT.

Actively interface with Application teams, network engineers, servers, storage and database administrators to identifying root cause, troubleshoot and resolve issues quickly and effectively.

IT Skills:

Operating System: RHEL 7, CentOS 7

Server Hardware: HP Proliant Servers & Dell midrange servers

File Systems: Linux filesystem management (ext2/3/4 & xfs).

Software Management: RPM & YUM

Network Services: NFS, DNS/BIND, SSH, FTP, DHCP, APACHI, NGINX, NTP. SSL,

Working knowledge of networking, including routing, switching and firewalls including definition of TCP/IP subnets, addressing schemes, access rules, VLANs and routing

Firewalls, DMZ and DMZ administration, firewall access rules, bi-directional and uni-directional NAT port forwarding

Working knowledge of Site-to-Site VPNs and VPN client configuration / troubleshooting remote access capabilities

Familiar with data center networking architecture

Working knowledge of cloud management platforms such as OpenStack,

Experienced in virtualization, preferably on multiple hypervisor platforms

Experienced working in open-source communities.

Used troubleshooting network performance tools via iPerf, tcpdump

Wireshark and other common Linux administration tools

AWS Cloud: EC2, AMI, Snapshot, EBS Volumes, IAM, VPC

Automation: Ansible, shell scripting, cron job scheduling

Container tool: docker, docker swarm, Kubernetes

Authentication: Google Authenticator, SSH key based authentication

Database: MariaDB

Monitoring Tools: Nagios

Ticketing Tool: ServiceNow

Virtualization : oracle Virtual Box, VMware.

Backup : Amanda Backup.

Cloud Products/Platform : Amazon Web Services.

Databases : MySQL, MariaDB

Web Servers : Apache.

Operating Systems : Windows, Linux – Red Hat/Centos/Ubuntu.

Apache, tomcat, Nginx, VMware, Docker, Kubernetes Ansible GitHub, Jenkins, Amazon Web Service

Expert knowledge of a variety of network management tools, test equipment, circuits, and routers.

Extensive knowledge of TCP/IP protocol stacks and firewall security in an inter-networking environment.

Knowledge of Quality of Service and experience designing/implementing QoS in an enterprise environment.

Advanced knowledge in Cisco Network including:

Cisco firewalls, switches & routers

Cisco Wireless LAN Controller and LWAPP

Excellent interpersonal, organizational, customer service, communications, and presentation skills.

Experience with Cisco network knowledge as indicated above

Experience working on project teams including providing technical consultation to project managers on impacts to network infrastructure.

Experience in performance tuning, hardware refresh, monitoring, backup and recovery, and security.

Educational background:

Bachelor degree information communication technology (ICT)

Admas university 2012-2015

Master in business administration specialist information technology management and information security (distance learning 2018-2020)

Xavier institute

Cisco certified CCna

Aws amazon web server

Red Hat Certification (RHCSA—Red Hat Certified Solution Associate)

Red Hate Certification (RHCE –Red Hat Certified engineer

NSE network security engineer

Verify link - https://www.redhat.com/rhtapps/services/certifications

Professional Experience:

Company:

Client: SEQUELSOFT INDIA LTD

responsibilites: Linux System Administrator & NETWORK&DEVOPS/open stack

5yrs experience of network

Working Period: From oct/3/ 2017 Till Date mar/3/2021

Roles and Responsibilities:

LINUX:

Providing day-to-day support based on the tickets to resolve user requests & issues.

Building & decommissioning servers in VMWare & cloud.

User and Group Administration like creating, modifying/deleting user account, password aging policies, locking and unlocking user accounts. Providing sudo privileges to users.

Booting procedure, filesystem hierarchy

Managing Virtual Memory and filesystem utilization, performing housekeeping by removing/compressing log files.

Performing backup and restoration using gzip and tar.

File System administration (expand/reduce) using LVM and troubleshooting using fsck.

Implementing and troubleshooting different RAID levels like RAID0 and RAID1.

Configuration and Administration of NFS, iSCSI (SAN), FTP and SAMBA on Linux environment.

Analyzing & monitoring system performance through various sources like free, top, sar, iOS tat, vmstat.

Performing OS installation & updating and package management through yum to install, remove and upgrade packages.

Implementing and troubleshooting NFS, Apachi,NGINX in the LINUX environment.

Experience in root password recovery and emergency target issues.

Scheduling scripts through cron job to perform backups & monitoring.

Managing file permissions & setting Sticky bit, applying suid for files and sgid on directory level and soft link,hard link .

Performing kernel update, install and backup MariaDB, creating tables, databases and giving permissions to users in MariaDB.

Adding more security with Google Authenticator Wrappers.

Configuring IP address, Subnet Masks and Gateway Addresses on Hosts

Vendor Interaction for Hardware Replacement or Root Cause Analysis (RCA).

DEVOPS:

ANSIBLE:

Deploying complete ansible environment, writing and implementing playbooks.

Hands on experience on ansible variables, looping and handlers, error-handling, conditional statements, debug,register,gathers facts about remote host.

Hands on experience on ansible tagging and executing the child playbooks with parent playbook using ansible inclusions.

Working on ansible modules like copy, fetch, file, yum, service, user, firewall etc.

working on ansible roles implementation and how they are used.

Working on ansible inventory file configuration, templates

DOCKER:

hands-on experience in Docker installation, docker architecture, Docker file

hands-on experience in volumes, bind mount, NFS volume mount, docker-compose, Docker swarm

hands-on experience in bridge network, Overlay network driver

hands-on experience in backup and restore

hands-on experience in port forwarding, Pulling, pushing a Docker image from Docker Hub

KUBERNETES:

Working in Kubernetes architecture, Kubernetes components and responsibility,k8s installation

Working in Creating pods, Namespaces, Resource Requests, Multi container pod

Working in Labels, Selectors, Kubernetes Deployments, Replica Set, Stateful set

hands-on experience in Rolling updates and Rolling backs, Services

Knowledge in Upgrading the Kubernetes Cluster, Backup acted in Kubernetes cluster, Cronjobs,emptyDir volume

hands-on experience in Container Network Interface CNI in Kubernetes, ClusterIP and Node Port in Kubernetes, DaemonSet,static-pod in Kubernetes, Load Balancer service in Kubernetes

Ingress service in Kubernetes, Persistent Volume, PersistantVolumeClaim and Storage Class (PV, PV(NFS) and PVC), dynamic PVC, pod deploy with NFS

Knowledge in secrets and configmap,probs,RBAC

Working in pods create in particular nodes, create labels to node and create pods in nodeSelector

SHELL SCRIPT:

Writing and executing shell scripts as per requirement.

Working and good knowledge on sed, awk, grep, cut commands.

Wrote shell scripts for many scenarios like checking disk space and sending mails if disk is cross threshold value.

Knowledge and working on variables and command line arguments.

Working on output command echo and input command read.

Working on redirections and shell variables.

Writing scripts like accessing data from log files, checking other server connectivity, deleting old files.

Knowledge and working on if conditions, case statements, for and while loops.

AWS:

Involved in utilizing almost all of the AW’S stack (Including EC2, IAM, ELB, VPC, SNAPSHOTS) focusing on availability, fault tolerance and auto-scaling.

Launching Instances through Elastic cloud compute.

Taking AMI image (snapshot) offline online of an AWS instance.

Creating snapshots from volumes and volumes from snapshots.

Volume’s creations/modifications and attaching to Instances.

Creating Security Groups for instances.

Shutdown/Reboot/Stop/Terminate of AWS instances.

Created VPC’S and subnets for vpc.

Managed VPC’S and internet gateway and routing tables and key pairs and security groups.

Abdifatah Adan Abdiladif

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