Red Hat Systems Engineer

HASEEB SHAHBAZ

Phone: 732-***-**** Email: *****************@*****.***

DevOps/Linux Systems Engineer

With 8 years of experience, I have become a highly skilled Linux Systems Engineer, DevOps specialist, and Atlassian Engineer, adept at troubleshooting and managing complex Linux-based systems. My expertise spans Red Hat Enterprise Linux and its ecosystem, including Red Hat Identity Management, Red Hat Satellite 6, and Ansible for configuration management. I also have practical experience with cloud platforms like AWS and Azure, leveraging Terraform to automate infrastructure provisioning. Proficient in DevOps tools such as Git, Docker, and Bash scripting, I am recognized for my strong communication and teamwork skills and remain committed to learning and growing as I progress in my IT career.

Skills and Expertise

Operating Systems: Red Hat Enterprise Linux, CentOS, Fedora, Ubuntu, Windows, Rocky Linux

Visualization/Hardware: VMware, HP, Dell, Cisco UCS, Cisco switches and routers, OpenStack, Oracle and Red Hat virtualization platforms, Proxmox, KVM, Vagrant

Languages/Cloud/DevOps: Java, C++, YAML, Python, BASH, Amazon Web Services, Google Cloud Platform, Ansible, GIT, Docker, Red Hat Satellite 6, Cloud Watch, Grafana, Data Dog, Jenkins, Red Hat Identity Management, Terraform, Podmon, GitOps, Vault, Ansible Vault, Helm,

Other OS/Network Utilities: TCP/IP, UDP/IP, ICMP, Netstat,SQL, SS, PS, Traceroute, TCPDump, PING, Telnet, Wireshark, WinSCP, Rsync, SCP, FTP, TFTP, Red Hat Satellite/Content Views/HammerCLI/Subscriptions, Red Hat Content Delivery, OpenSSH, User Management, OpenIPA, IOStat, System Activity Report (SAR), Auditd, System-D, INIT, Grub2, Kernel Tuning, Logical Volume Manager (LVM), Sysctl, Cron, Ulimit, AWS Identity Access Management, Microsoft Office Suite, Nagios, Splunk, iftop, Service Now, JIRA, yum, apt, Iptables, firewalld, Sudoers, SWAP, PXE Boot, SELinux, DataDog, DynaTrace, Kubernetes, Docker, Terraform, Azure, AWS, Jenkins, Bitbucket, Gitlab, Jira, Confluence, Ansible Tower/AAP, ELK, GCP,ITM,IDM, ServiceNow, Nmap, NGINX, CURL, Puppet, Chef, Saltstack

Soft Skills: Team leadership, Incident Management, Documentation, SOP Development, Team player, Good communication

Experience

Praecipio Consulting

DevOps/Atlassian Engineer

November 2021 – Present

●Administered and optimized Linux systems (RHEL, CentOS, Ubuntu) for enterprise environments, ensuring reliable performance and availability.

●Automated routine administrative tasks using Bash and Python to streamline workflows and reduce manual intervention.

●Applied security patches, kernel upgrades, and OS configurations to maintain compliance and secure system operations.

●Diagnosed and resolved complex performance and system issues using tools like strace, dmesg, and journalctl.

●Managed provisioning, lifecycle management, and patch automation for large-scale Linux environments using Red Hat Satellite.

●Designed and maintained Terraform modules to provision and configure infrastructure on AWS and Azure, leveraging infrastructure-as-code best practices.

●Built and implemented CI/CD pipelines using Jenkins, integrating with version control systems to automate code testing, building, and deployment.

●Developed and maintained Ansible playbooks and roles for configuration management, ensuring consistency across diverse environments.

●Administered and optimized Kubernetes clusters on AWS EKS, focusing on workload orchestration, RBAC policies, and cluster security.

●Streamlined application delivery by containerizing legacy applications with Docker and deploying to Kubernetes clusters.

●Monitored infrastructure and application performance using Grafana, Prometheus, and ELK Stack, enhancing system visibility and issue resolution.

●Migrated Jira and Confluence to cloud-hosted environments, enabling improved scalability and seamless collaboration.

●Automated infrastructure scaling, failover, and provisioning using Terraform on AWS, enabling rapid deployment and operational efficiency.

●Configured workflows in ServiceNow to automate IT service management tasks, ensuring alignment with business processes.

●Scripted database maintenance tasks, including backups and performance monitoring, to support database reliability and efficiency.

●Deployed and managed Identity Management solutions (e.g., Active Directory, LDAP, Okta) to ensure secure authentication and access control.

●Implemented Single Sign-On (SSO) solutions using SAML, OAuth, and OpenID Connect, streamlining user access across enterprise applications.

●Created and managed GitLab CI/CD pipelines to deploy Dockerized microservices into Kubernetes clusters using Helm.

●Built lightweight Docker images and optimized container deployment workflows to improve operational efficiency.

●Integrated comprehensive logging and monitoring solutions into CI/CD pipelines to ensure robust observability and performance tracking.

●Designed and deployed cloud solutions on AWS, including compute, storage, and networking components, while adhering to security best practices.

●Collaborated with cross-functional teams to implement DevOps practices, enhancing development workflows and deployment cycles.

●Managed IT assets and configurations through the ServiceNow CMDB, ensuring accurate tracking and operational alignment.

Refinitiv

SRE/Linux System Engineer

December 2018 – November 2021

●On premise Red Hat Enterprise Linux architect planning, provisioning, deployment, lifecycle management until decommissioning process utilizing Red Hat Satellite 6 solutions available such as content view, host groups and activation keys

●Worked on cloud platforms like Amazon Web Services to provision and deploy resources as needed

●Familiarity with Amazon Web Services resources such as EC2, S3, CloudWatch, Code Pipeline, Route53. VPC/Network Subnets, IAM, AMI

●Utilizing NIS and IPA solutions for user authentication methods, utilizing openIPA command line-based interface and Red Hat Identity Management

●Utilized Red Hat Directory Services and then migrated to Red Hat Identity Management solution based on openIPA

●Designed and implemented a microservices architecture that improved system scalability and reduced latency by 30%.

●Creating a CI/CD pipeline that reduced deployment times by 50%.

●Developed monitoring solutions that increased incident detection speed, decreasing average incident resolution time from 4 hours to 30 minutes.

●Established SLOs and SLIs that improved service reliability and team accountability.

●Performed installation and configuration along with delegation with Red Hat in the efforts of working with Red Hat Satellite 6 and Ansible Tower

●Wrote Ansible playbooks to automate and achieve goals while deploying configuration management changes across a large scale of servers

●Integrated GIT sourced playbooks with Ansible projects to construct Ansible Tower Templates within the Ansible Tower console

●Wrote and modify changes within Iptables and firewalld rules and policies within the RHEL operating systems to allow communication and deny based on the organizational requirements and compliance

●Worked along database admins to install and troubleshoot Oracle RAC clusters

●Allocated storage needs per application owner requests, along with server hardware resource changes to increase CPU and Memory

●Modifying kernel parameters and modules by creating and running bash scripts to meet the requested requirements

●Worked along security team to remediate vulnerabilities and other security concerns to lower the number of open risks on Linux servers, working along best practices for security hardening and procedures

●Analysis of bottlenecks of processes, CPU, network, disk, memory and swap space troubleshooting to avoid any performance related issues and performance tuning

GAP

Linux System Administrator

March 2016 – December 2018

●Lead Linux systems architecture and implementation, administration of server infrastructure consisting of 100+ servers, both physical and virtualized servers running VMware ESXi

●Ability to maintain a reliable and methodical approach to support and documentation

●Day-to-day operations of our Linux servers include restarting processes, recovering used disk space by compressing or removing old log files, recovering disk space on the database servers by removing old bin files

●Install and configure Red Hat/CentOS Linux on virtual environment using VMWare 4.x/5.x

●Performed day-to-day administrative tasks such as creating user and group accounts, directory services, file systems share, and permissions

●Mounted resources using NFS and SAMBA exports on Linux machines

●Supported and maintenance VMware ESXi in premise data centers, racking and stacking physical bare metal servers

●Managed Software package installations and updates using yum package management

●Remotely administered the application servers using VPN and SSH

●Password management, allow other users sudo access.

●Perform system updates and install required repos locally hosted and maintained

●Installed and configured LDAP servers to authenticate between Linux, Apple and Windows environments

●Setup and configured VMware and RHEL in SAN environment

●Performed memory and swap management to improve optimization and performance of the servers using free -h and top command

●Utilizing top command to determine system calls and library calls to differentiate between user space resources and kernel space resources

●Working close to departmental teams to obtain and maintain different components of the infrastructure, such as storage, network, backup, and security solutions

●Manage printing, file sharing and network components like of TCP/IP protocol, DNS, and DHCP

●Using RPM & YUM to install, uninstall, maintain and update RHELinux packages

●Motivated and proficient team player with a quick to learn skills to achieve and maintain career growth

●Set up a full scaled PXE server to automate the deployment of servers on Bare metal servers

●Used kickstart along with PXE to tweak and customize servers

Education

Borough of Manhattan Community College-2017-2019 (Associate Degree)

John Jay College of Criminal Justice – 2019 (expected graduation 2024)

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