Operations Engineer Systems

TAHIR RAFIQUE

Systems Operations Engineer

ad5qrs@r.postjobfree.com

+1-732-***-**** New Jersey

SUMMARY

Experienced Systems Operations Engineer proficient in managing physical and virtual environments for over 6 years. Skilled in provisioning, patching, and deploying applications across Dev, Prod, and UAT environments using DevOps tools like Ansible for automation, Gitlab for source code management, and expert level in cloud computing (AWS). Handling virtualized environment with VMware vCenter. Hands-on in managing micro-services in isolated environment with Docker containers using Kubernetes for efficient management and scaling. Expertise includes user, process, service, disk, and package management, with a focus on task automation using Ansible playbooks. Committed to continuous learning and staying updated with emerging technologies.

TECHNICAL SKILLS

Cloud Platforms (AWS): EC2, S3, Glacier, EBS, EFS, CloudWatch, ELB, Autoscaling, CloudTrail, Route 53

Virtualization Technologies: VMware ESXi, vSphere, vCenter, vMotion.

Monitoring and Management Tools: SolarWinds, Grafana, Splunk

Automation and Configuration: Ansible, Ansible Tower

Containerization: Docker, Kubernetes

Version Control: Git, Gitlab, BitBucket

Scripting: Bash scripting, Ansible Playbooks, Roles

Patch Management: Patching through Redhat Satellite and Ansible,

Infrastructure Management: Provisioning, Deployment, Configuration

Performance Monitoring and Optimization: Changing Kernel parameters, VMs Enhancement, NIC Teaming, Load Balancing

Security and Compliance: Vulnerability management. Qualys, Firewall management

Storage Infrastructure Management: SAN, NAS, LVM, RAID

Networking: Static IP, NIC Configuration, NIC Teaming, DNS Client side, ISO Layers, Port mapping,

Change Management, Resolution of Tickets & Incidents.

EXPERIENCE

Bank of China New York, NY

SYSTEMS OPERATIONS ENGINEER 02/2022 to current

Relying on Ansible for automation, demonstrating proficiency in creating playbooks for service management, storage management, patching, and gathering facts.

Establishing a vigorous health assessment framework through Ansible playbooks, enabling real-time monitoring and proactive issue resolution, boosting successful pre- and post-patching activities.

Orchestrating Ansible Tower to automate system updates and upgrades across varied environments, creating plays, job templates, scheduling jobs, reducing manual intervention and enhancing operational efficiency.

Integrated Ansible with version control systems such as Git to manage configuration files and playbooks effectively and hands on experience in setting up Ansible inventories to manage and organize hosts.

Implemented Kubernetes to orchestrate and manage clusters of Docker containers, ensuring scalable and resilient applications.

Managed end-to-end Virtual Machine operations, including provisioning, deployment, and configuration.

Integrating Gitlab for streamlined version control, enhancing collaboration on Linux configuration changes. Maintaining a structured approach to Git branching, ensuring clarity in feature development, and manageable codebase.

Configured Docker to modernize applications into microservices, enhancing resource efficiency and availability, and managed their deployment through Kubernetes for seamless scalability and efficiency.

Employed NIC teaming protocols to establish clustering for fault tolerance and enhance network reliability, Additionally, introduced redundancy measures across servers and load balancers to strengthen system resilience.

Utilized Logical Volume Management (LVM) to dynamically allocate storage resources, ensuring seamless adaptation to evolving needs while minimizing operational disruptions.

Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance, loading and unloading kernel modules.

Assessing and prioritizing tickets in the SNOW (ServiceNow) ticketing queue based on urgency, impact, and meeting SLA, to ensure efficient and effective resolution.

Proactively addressed critical alerts from monitoring tools, conducting Root Cause Analysis to identify underlying issues and contributing to the implementation of permanent resolutions, thereby enhancing system reliability and performance.

Proficient in administering, configuring, and troubleshooting Linux-based systems, including CentOS, Ubuntu, and Red Hat Enterprise Linux (RHEL).

Extensive experience in shell scripting (Bash, Python) for automation of routine tasks, resulting in increased efficiency and reduced downtime.

Skilled in implementing and maintaining security measures, including firewalls (iptables), SELinux and ensuring system integrity and data confidentiality.

Proficient in virtualization technologies such as VMware vSphere and Vcenter, including setup, configuration, and management of virtual machines and containers (Docker).

Strong understanding of networking concepts and protocols (TCP/IP, DNS, DHCP), with the ability to troubleshoot network issues efficiently.

Sephora San Francisco, CA

LINUX SYSTEM ADMINISTRATOR 02/2019 to 01/2022

Managed full server lifecycles, including deploying, provisioning, troubleshooting, maintenance, experimentation, and decommissioning.

Created Ansible playbooks to automate common system administration tasks such as package installation, configuration file management, and service management.

Executed Linux server patching and job scheduling efficiently using Ansible Tower.

Resolved kernel panic issues post-patching, fine-tuning, and upgrades, ensuring server uptime..

Additionally, I have honed my skills in performance tuning and optimization techniques to ensure the speed and efficiency of Power BI reports and queries.

Automated RHEL 6, 7, and 8 installations using PXE server and Kickstart bootstrap, showcasing proficiency in streamlined Linux provisioning.

Played a key role in managing servers, providing expert support for DNS, DHCP, FTP, NFS, HTTP, and Apache in Linux environments.

Improved Linux system reliability with NIC bonding for fault tolerance, load balancing, and redundancy.

Implemented efficient file-sharing infrastructure on Linux using NFS, involving server directory mount points creation and Autofs integration for persistent mounts.

Implemented customer-tailored RAID levels to optimize performance and redundancy.

Streamlined Linux operations via customized BASH scripts, showcasing automation proficiency and skillful system management.

Diagnosed and resolved memory issues by optimizing swap space and configuring persistent boot settings, ensuring server uptime and providing direct user support for Linux systems, effectively enhancing system performance and user experience.

Proficient in utilizing command-line tools and log analysis for issue resolution, while also adept at implementing robust backup procedures to minimize data loss and improve recovery capabilities.

Managed Linux user accounts and groups, ensuring precise privilege assignments for a secure and organized system environment.

Developed cron jobs for regular and automated data backups, ensuring data integrity and minimizing risks of loss.

Hardened operating systems using iptables and filesystem ACLs.

Excellent in coordination with teams, adhere to corporate standards, change management processes, and work to improve IT standards and policies.

TikTok New York City, NY

LINUX ANALYST 11/2017 to 01/2019

Conducted detailed analysis of system log files, employing advanced methodologies to identify and address potential issues.

Systematically interpreted logs to facilitate efficient issue resolution, ensure stable systems, and maximize uptime.

Administered services, packages, and fine-tuned software deployment processes to improve the overall efficiency of the system.

Monitored and responded promptly to user requests, showcasing strong troubleshooting skills for timely issue resolution.

Provided comprehensive technical support for computer systems, proactively addressing complex software and hardware challenges.

Collaborated with vendors to procure critical hardware components, ensuring seamless compatibility and reliable performance.

Managed user and group accounts, handling tasks such as creating, modifying, and removing users. Also, efficiently managed permissions based on individual requests.

Implemented and enforced security policies and best practices.

Created RSA type SSH keys and exchanged public keys with remote servers to establish password-less secure connection and empower remote execution.

EDUCATION

University Of Sindh Pakistan

Master in Arts 12/2012

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