Hi, I’m
Sadaf Kanwal
Staten Island,NY
There’s no shortage of remarkable ideas, what’s missing is the will to execute them.
Seth Godin
Summary
Career Summary:
Self-motivated and experienced professional Linux Systems Engineer with strong 6 years of experience managing server in complex Linux physical and virtual infrastructure. Effectively plan, install configure and optimize infrastructures to achieve High availability and fault Tolerance. Working experience in DevOps tools such as Ansible, GIT, Docker, and Kubernetes. Strong experience in administration of CentOS, RHEL where stand as an expert in managing security, networking, file management, user management, and performance management. Skilled problem identifier and troubleshooter comfortable managing systems and projects. Strong problem-solving skills on Linux systems.
Overview
6
years of professional experience
4
years of post-secondary education
Work History
Verizon MediaBasking Ridge, NJ
Linux Systems Engineer
10.2020 - Current
Job overview
- Managing installation, configuration, upgrading, and patching system running OS such as RedHat and CentOS
- Experience in Ansible configuration/deployment and wrote Ansible playbooks to manage environments configuration files, packages, users, mount points, web applications.
- Managing Ansible Tower to create templates from SCM and deploy configuration across Linux environment
- Performing Patching not limited to checking available patches, checking health of system before patching, opening change window, ensuring that patches are installed properly, bringing systems back after patching
- Creating, maintaining, migrating and optimizing hosts, virtual machines, clusters, networks, and Datastores
- Hands-on experience with vMotion, Storage vMotion, High Availability (HA), Fault Tolerance (FT), DRS, Storage DRS and Snapshots
- Working experience with cloud infrastructure of AWS (Amazon Web Services) such as EC2, S3, IAM, Cloud Watch, Autoscaling and Glacier
- Managing Docker repository, Creating Docker images from Docker file, working with Docker Compose, and running containers
- Exposed to Kubernetes managed pods including creation pods, check health and setting replica sets and auto-scaling
- Managing disks and partitions (LVM), creating file system and troubleshooting corrupted file systems
- Using NetBackup to backup data to disk and tape
- Creating policies, scheduling backups, migrating backups to tape, and restoring data
- Configuring NIC teaming to implement load balanced to manage high flux of traffic and ensuring redundancy purpose
- Working with Jira for ticketing and change management requests using RFC
- Monitoring and maintaining availability of company’s servers, applications, and network to anticipate and resolve concerns before they impact production using tools such as Nagios
- Assess vulnerability management through Tenable
- 24/7 on-call support for debugging and resolving critical issues.
Warner MediaNYC, NY
Linux Systems Admin
05.2018 - 08.2020
Job overview
- Managed Linux infrastructure involving deployment, configuration, troubleshooting and ensured maximum uptime
- Provisioned servers over network unattended using PXE-boot with Kickstart boot strap
- Managing Virtual environment through vsphere
- Worked with RHEL, LDAP, VMware, VMware ESXI, Apache, and NFS
- Job scheduling and automating process using CRON
- Basic creation and troubleshooting on scripting like Bash
- Elevated privileges of users by allowing SUDO excess
- Monitoring of all Linux flavor like RedHat, CentOS, Ubuntu
- Expert level in SAMBA server configuration
- Developed bash scripts for backups and scheduling tasks
- Developed and troubleshooted issues related to networking, NIS, NFS, SAMBA, SSH, SFTP, DNS,
- Configured differed RAID levels to cater to better performance and redundancy
- Installed, updated, and configured packages using RPM and YUM package management
- Monitoring systems performance activities like CPU, memory, swap and disk usage to ensure efficient performance, in addition to avoiding future issues
- Configured and troubleshoot connection to SSH through SSH clients, set up password-less and agent forward for SSH
- Implemented access control lists (ACLs) on files for complex user and group access permissions
- Configuration of NTP and NFS servers
- Managed over 50 customer calls per day.' or, "Increased sales by 10%.
XaxisNYC, NY
Linux Operator
02.2017 - 04.2018
Job overview
- Monitored CPU, RAM, Swap space, network performances
- Hands-on experience in racking stacking servers and fixing printers
- Created, modified, removed users, groups, and managed permissions on request
- Configured IP addresses to static and DHCP
- Created systems with RAID 0, 1, 5, 6 and 10
- Partitioned disks and created and mounted EXT3 and EXT4 file system
- Performed troubleshooting of hardware related, SSH and network related issues
- Provided 24/7 available on-call support.
Education
University of The PunjabLahore, Punjab, Pakistan
Bachelor of Science from Computer Science
03.2009 - 05.2013
Skills
- Virtualization
- Linux
- VMware, ESXI, VSphere
- LVM
- VMotion, Snapshots
- Configuration management
- Templates, Clone, Clusters, HA
- DRS & Fault tolerance
- Operating Systems
- RHEL 6, 7, 8, Centos, Ubuntu,
- Hardware
- Dell Servers (Rack server), HP Servers (PROLiant)
- Networking
- TCP/IP, UDP, FTP, DHCP, HTTP, SSH, troubleshooting
- Package Management:
- YUM and RPM, Local repository server
- Storage
- SAN, NFS, LVM, RAID
- Automation,Ansible
- Bash Scripting,
- PXE-Boot with Kickstart file
- Applications and Servers
- PXE, FTP, TFTP, DHCP, DNS, NFS,
- Cloud
- AWS service - IAM, Roles and policies, Route53, EC2, EBS, S3, ELB, Cloud Watch, Cloud Trail, and AMI, Glacier)
- DevOps Tools
- Docker, Kubernetes,
- SCM
- Git, GitLab
- User Management:
- Active Directory, Open LDAP
- Ticketing System
- SNOW
- BMC Remedy
- Monitoring Tools & CLI
- Nagios, Top, IOstat, ifconfig, netstat, traceroute, VMstat, SAR, tcptump, Wireshark, Splunk
- Root Cause Analysis
- Server Configuration
- Terraform
- Configuration Management Tools
- Red Hat Enterprise Linux
- Security Patching
- Jenkins
- Python
- Git repository
- Solarwinds
- BMC remedy
- Splunk
- Bladelogic
- Decommissioning
- VDI
- LDAP
- ESXI
- Vulnerability management
- Performance monitoring
- Server Migration
- Channel bonding
- KVM virtualization
- Kernel Tuning
- Performing daily tasks
- Company rules and regulation
- Data Destruction
- Direct User support
- Ticket Assessment and prioritizing
- Raid Level
- File system
- Monitoring processes
- Network Troubleshooting
- IP tables, firewalls, selinux
- Net Backup, Cron Jobs
- Network Adapters and switches
- ILO, IDRAC
- Service management, Mounting resources ,Upgrading Services
- Disk management
Availability
See my work availability
Not Available
Available
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Linux Systems Engineer
Verizon Media
10.2020 - Current
Linux Systems Admin
Warner Media
05.2018 - 08.2020
Linux Operator
Xaxis
02.2017 - 04.2018
University of The Punjab
Bachelor of Science from Computer Science
03.2009 - 05.2013
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