Madina Ibragimova

addxiu@r.postjobfree.com 610-***-****

SUMMARY

Linux System Administrator with over 6 years of intensive and detail oriented experience

Excellent communication, interpersonal skills with ability to work efficiently in both independent and teamwork environments.

Strong ability to absorb new information solves complex problems, work under pressure and adapt to evolving circumstances.

Strong Experience in Troubleshooting of Network, OS and Performance related problems

Experienced in Ansible, GIT, Jenkins, Docker, Kubernetes, AWS, Python, TCP/IP, SFTP,NFS/AutoFS, PXE Server, Open Source packages such as Samba, Sendmail, AD, Apache, DNS, LVM and OpenLDAP

TECHNICAL SKILLS

Systems Administration

Linux Servers – RHEL/CentOS 6.x, 7.x and 8, Windows 2008R2, 2012/2012R2

AWS – VPC, EC2, S3, Elastic Load Balancer, Security Groups, IAM

Installation and Configuration – Kickstart, HTTP, FTP, NFS, Autofs clients, Apache, Mail Server

(Postfix and Dovecot), Nagios, DNS master and slave, DHCP, LDAP, Database (Mysql, MariaDB,Wiki), LAMP Stack, NFS, Samba, and FTP

DevOps

Ansible, Docker, Kubernetes, Nagios

Jenkins, Github, Jira

Virtualization

VMware –ESXi 6.x, Xen Server 6.x and 7.x, Linux KVM, VMware Workstation Automation

Ansible, Bash scripting, Cron, At

Kickstart, PXE

Servers

Web - Apache HTTP Server

DNS and Directory Services - BIND, LDAP, NIS

Email - SMTP, POP, IMAP, Postfix, qmail, sendmail

Storage – SAN, NAS, LVM, RAID, iSCSI

Networking

Monitoring – Nagios

Troubleshooting – Wireshark,ping, tcpdump,telnet, netstat, netcat, nmap, arp Security

Network - firewalls, VPNs, iptables, tcp wrappers, multi factor authentication (MFA-AWS)

File System - SELinux, ACLs

Backup - tar, cpio, dump (ufsdump), amadmin.

Hardware

Dell PowerEdge(R230, R230, R430, R530, R630 and R730’s orR240’s to R740’s) Blade servers C2100’s to C6100’s

Storage administration: RAID arrays, SAN, NAS, NFS: Dell EMC VNX 5300 or VNX5400, Dell Powervault MD2200’s or MD3420

Cloud Infrastructure

AWS S3 backet and EC2, Elastic Load Balance, VPC, IAM PROFESSIONAL EXPERIENCE

Maersk Inc, Greater Philadelphia PA

Linux Systems Administrator 2017 September – Present Responsibilities:

Led a team in building a new lab environment on RedHat 7 automated with ANSIBLE and automated KICKSTART environment for RHEL standard builds;

Participated on AWS project in building web servers with EC2 instances connected to S3 buckets with a few load balancers;

Wrote/created several Ansible (version 2.8.2) playbooks/roles : configuring a load balancer, configuring apache server,configuring mirror server,updating kernel, playbooks for pushing several config files such as resolv.conf, chrony.conf, autofs configuration files, etc.;

Created Ansible playbook (runs several roles with one playbook) to configure and connect all newly created machines with dns, ldap, Nagios, mirror server, ntp/chrony server, nfs server, sftp server and also configures firewalld and installs all initial packages

(man, vim etc.);

Developed bash scripts for adding servers/clients to DNS master (updating lookup zones), adding servers to Nagios master for monitoring and also automated ssh key exchange process between controller and nodes for Ansible, firewall configuration

(RHEL 7) and iptables (RHEL 6) and etc.;

Performed standard system administration tasks, such as troubleshooting and problem resolution, patching, installing packages using rpm and yum and up2date, drivers, software and hardware upgrades;

Extensively interacted with the WEB, DBA and APP teams in the process of installation, configuration and administration of new Fault Tolerant Cluster Linux servers (mostly RedHat) and VMware ESX servers on Dell hardware ;

Configured services such as DNS, DHCP, NFS, Sendmail, Apache Web Server, Tomcat, LAMP (Linux+Apache+Mysql+PHP), Samba, SSH, FTP, http, RPM and YUM; Configured failover load balancing using ip bonding for network cards and providing redundancy by using HaProxy load balancing;

Participated in Hardening internet facing systems to provide maximum availability and security;

Took part in a Disaster Recovery Procedures to test redundancy between production and backup centers;

Monitored performance of servers using tools such as Nagios, sar, top, htop, free, vmstat and iostat;

Upgraded and configured hardware including network cards, SCSI cards, fiber cables, memory, HDD’s, CPU’s and etc;

Performed troubleshooting existing user accounts, security objects and authorizations to resolve security conflicts by creating sudo users, supporting users, setting up new accounts, password resets;

Involved in Daily incident management and resolved the day to day problems raised by the users and incidents which are logged by Event monitoring system; Created status reports, project plans and attend team meetings to coordinate activities; C&L Group, LLC, Greater Philadelphia PA

Junior System Administrator 2014 January – 2017 September

Performed day to day LINUX administration such as user accounts, logon scripts, directory services, file system shares, and permissions etc.;

Day–to-day administration which includes installation, upgrade & loading patch management & packages;

Installed and configured virtual machines for clients;

Created users with root’s privileges and also users with limited root’s privileges called the sudo users;

Configured and maintained Software Raids, Logical Volume Manager (LVM) and Hardware Raids;

Created Logical volumes for clients using LVM;

Managed the complete Network File System (NFS);

Setup NFS and Samba File sharing setup on Linux and Windows servers;

Configured various network services – DNS, LDAP, DHCP, NFS, NIS, Send mail, Apache, Tomcat, MySQL, Samba, SSH, FTP;

Performance monitoring with conventional tools such as top, sar, netstat, iostat, etc;

Installed, monitored and maintained hardware/software related issues on Linux systems; EDUCATION AND CERTIFICATION

Ziyotech Institute of Technology - 2017

DevOps Engineer Diploma Program & Certification

Pending Certifications: Red Hat AWS

References are available upon request

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