Linux Platform Engineer with Automation Expertise
Resume:
Delivered reliable Linux platforms by overseeing system behavior across multiple environments, ensuring consistent performance from development through production.
Built virtualized Linux workloads on diverse hypervisor technologies, implementing automated provisioning pipelines that reduced manual setup and improved deployment speed.
Designed and maintained VMware-based infrastructures, coordinating host configuration, virtual networking, storage integration, and resource governance through centralized management tools.
Established internal package distribution mechanisms to support controlled software delivery in restricted environments, improving consistency and reducing external dependencies.
Led operating system modernization efforts, upgrading legacy Linux releases to newer versions while preserving application compatibility and minimizing service disruption.
Implemented and optimized web-facing Linux services, configuring reverse proxies and load-balancing mechanisms to support high-traffic and highly available applications.
Strengthened system resilience by applying security hardening measures, patch governance, and policy enforcement across Linux hosts.
Reduced operational overhead by 35% by implementing Ansible-based automation workflows for system setup, maintenance, and updates.
Managed and optimized mission-critical Linux (RHEL) infrastructure within high-availability production environments, ensuring 99.9% uptime for enterprise applications.
Led Incident Management and problem resolution efforts for complex production issues, conducting deep-dive root cause analysis (RCA) to prevent recurrence and improve system stability.
Automated routine system administration tasks and configuration management using Ansible, reducing manual effort and ensuring environment consistency across large-scale server fleets.
Developed robust automation scripts in Python and Bash to streamline operational workflows, including automated health checks and self-healing system triggers.
Implemented SRE principles to bridge the gap between development and operations, focusing on error budgets, toil reduction, and improving service level objectives (SLOs).
Leveraged monitoring and observability tools such as Splunk and AppDynamics to build proactive dashboards and alerting, reducing Mean Time to Repair (MTTR) by identifying bottlenecks in real-time.
Orchestrated containerized application deployments on Kubernetes and OpenShift, managing pod scaling, service meshes, and persistent storage in production.
Supported high-traffic Java web applications, troubleshooting middleware configurations and JVM performance to ensure seamless end-user experiences.
Integrated Git and version control into daily operations, participating in code reviews to maintain high standards for infrastructure-as-code (IaC) and automation scripts.
Collaborated with cross-functional teams to drive continuous improvement in release engineering and disaster recovery planning, utilizing ThousandEyes for end-to-end network visibility.
Linux Engineer II with more than seven (7) years of experience shaping and supporting Linux-centric environments across on-premises, virtualized, and cloud platforms. Proven ability to build and sustain reliable Linux systems through thoughtful configuration, performance optimization, and disciplined operational practices. Experienced in resolving complex system-level issues, improving availability, and maintaining stability in high-demand environments. Strong hands-on exposure to VMware virtualization, AWS cloud services, and container technologies such as Docker and Kubernetes, supporting modern application deployment models. Applies automation and scripting techniques using Ansible, GIT and Bash Scripting to reduce manual effort and increase operational consistency. Recognized for collaborative problem-solving, adaptability, and contributing effectively within cross-functional engineering teams.
Red Hat Certified System Administrator (RHCSA)
Citizens Bank, New York, NY
Linux Engineer II
Apr 2024 - Present
JOB EXPERIENCE
SUMMARY
2017
Muhammad Uzair Ahmad
Linux Engineer II
*.**************@*****.***
NY, USA
GitHub Actions Workflows: Designed and automated CI/CD pipelines using GitHub Actions, integrating automated testing and security scans to "shift left" on code quality.
Contributed to the architecture and maintenance of Billing Technology platforms, ensuring the reliability of core payment processing and financial data flows.
Engineered and optimized Couchbase NoSQL database environments, advancing a DevOps culture through the development of cloud-agnostic in-memory caching solutions on Kubernetes.
Deployed and scaled microservices using Cloud Foundry, leveraging Spring Boot and Spring Cloud Stream to support high-throughput, event-driven architectures.
Partnered with Scrum Masters and cross-functional teams within an Agile framework to define technical requirements and manage project lifecycles via JIRA.
Analyzed integration needs and developed comprehensive test cases using Postman and Bruno to ensure applications met strict technical specifications and functional requirements.
Coordinated software updates and version management using Git, overseeing the seamless rollout of new application releases across distributed environments.
Led incident response and outage management by facilitating bridge calls and coordinating resources to drive rapid issue resolution and document post-mortem learnings in ServiceNow.
Authored and refined high-quality technical documentation, including manuals and formal engineering recommendations, within internal Wikis to promote operational excellence.
Linux Systems Administrator
Apr 2021 - Mar 2024
Verizon Communications, Dallas TX
Standardized Linux server builds by implementing network-based installation workflows, enabling unattended system deployments and reducing manual provisioning effort.
Maintained and supported network file and transfer services, ensuring reliable data exchange and resolving access or performance-related issues.
Oversaw scheduled backup operations, validating job execution and monitoring completion to ensure consistent data protection.
Administered local user access controls, maintaining account records, group memberships, and privilege escalation rules in alignment with security requirements.
Tracked system availability and performance trends through infrastructure monitoring platforms, responding to alerts and mitigating issues before service impact.
Designed and maintained redundant storage configurations, implementing RAID strategies to improve data durability and system reliability.
Prepared Linux systems for application workloads by configuring network interfaces, disk layouts, and kernel behavior, aligning system resources with application needs.
Strengthened server security by applying system hardening practices, reducing attack surfaces and enforcing mandatory access controls.
Supported secure administrative access by maintaining SSH-based connectivity, enabling controlled remote management and file transfer operations.
Improved network resilience by implementing interface aggregation techniques, providing failover capability and balanced traffic handling.
Supported dynamic network configuration services, ensuring systems received consistent and accurate network settings across environments.
Authored and maintained technical documentation, capturing configuration standards, procedures, and troubleshooting guidance to support operational continuity.
Enforced host-level firewall policies, defining traffic control rules to protect Linux systems from unauthorized access.
Investigated and resolved name resolution and connectivity issues, ensuring stable communication across internal networks and services.
Performed scheduled system backups, monitored system logs, performance monitoring and capacity planning in anticipation of system resource usage and needs.
Skilled in Incident Management, Change Management, Red Hat Linux, VMware, and Cloud Infrastructure. Expert in troubleshooting and problem-solving.
Handled multiple users using scripts such as creating and deleting users. Migrated local users and groups from one system to another using RSYNC.
Nov 2018 - Feb 2021
Jr. Linux Administrator
Xandr, NYC, NY
Supported Linux environments by preparing virtual and physical systems for use, assisting with operating system setup and validating system readiness for development and production workloads.
Assisted with data center operations, including server placement, cabling verification, and connectivity checks to ensure orderly and functional infrastructure layouts.
Performed initial investigation of network connectivity issues, verifying reachability between systems and escalating complex routing or firewall problems as needed.
Assisted in maintaining file and directory access controls, verifying permissions and ownership settings to support secure system usage.
Supported storage setup by assisting with disk partitioning and layout configuration, helping ensure efficient utilization of available storage resources.
Implemented secure remote access configurations, assisting with SSH key-based authentication to enable safe administrative connectivity.
Monitoring on servers using conventional tools such as TOP, SAR, IOSTAT, VMSTAT and NETSTAT.
Responded to hardware-related support requests, identifying faulty components, opening vendor cases, and coordinating replacements to minimize service disruption.
Monitored system resource trends and assisted with capacity-related observations, reporting performance concerns and supporting tuning activities under senior guidance.
CORE SKILLS
Operating Systems
Red Hat Enterprise Linux 6, 7,8,9; CentOS 6, 7,8,9; LINUX Administration
System Administration
User/Group Management; Console Management; Build Servers; iLO; iDRAC
Cloud & Virtualization
Cloud Management; Virtualization Platforms; VMware; vCenter; vSphere; Template; Clone
Amazon Web Services (AWS)
AWS; IAM; EC2; EFS; S3; CloudWatch; EBS; RDS; VPC
Configuration & Management
NFS; DNS; DHCP; FTP; vsftpd; HTTP; Apache; Samba;
User Authentication
Active Directory; Open LDAP
Disk Storage Management
SAN; NAS; RAID; LVM; XFS; EXT3; EXT4
Performance & Troubleshooting
Performance Optimization; Troubleshooting; Diagnostics; Hardware Troubleshooting
Automation Tools
ServiceNow; Nagios; Ansible; Bash Scripting; Docker; Git; GitHub
2017
Bachelor’s in science
University of the Punjab
Contact this candidate