Senior Linux Systems Engineer with Automation

Arooj Nayab Bhatti

Linux Systems Engineer

720-***-**** *********@*****.*** U.S. Citizen

PROFESSIONAL SUMMARY

Linux Systems Engineer with 6+ years of experience supporting enterprise-scale Linux environments across production infrastructure, cloud platforms, and virtualized environments. Strong background in Linux server lifecycle management including provisioning, configuration, patching, troubleshooting, and system automation. Experienced with TCP/IP networking fundamentals, server provisioning workflows, and automation using scripting languages such as Bash and Python. Proven ability to troubleshoot system architecture issues, analyze infrastructure telemetry, and improve operational efficiency through automation and infrastructure tooling. Skilled in containerized environments, cloud infrastructure, and large-scale Linux server management. Experienced in CI/CD pipelines, Infrastructure as Code

(Terraform/CloudFormation), and cloud-native monitoring tools including CloudWatch and Prometheus. Experience supporting Red Hat Enterprise Linux (RHEL) and Oracle Linux environments with strong focus on enterprise system administration, patching, security compliance, and high-availability infrastructure. CORE TECHNICAL SKILLS

1 Operating Systems: RHEL 6/7/8/9, CentOS, SLES, Ubuntu, Debian, Oracle Linux 2 Networking: TCP/IP, DNS, DHCP, PXE Boot, TFTP, NIC Bonding, Routing, tcpdump, Network troubleshooting 3 Server Management & Infrastructure: Linux server provisioning, firmware updates, system lifecycle management, server deployment, infrastructure automation, hardware troubleshooting, enterprise Linux administration

(RHEL/Oracle Linux), high availability configurations 4 Out-of-Band Server Management: IPMI, Redfish, iLO, iDRAC 5 Automation & Scripting: Ansible, Ansible Tower, Bash, Python, Go, Ruby, YAML 6 Containers & Platforms: Docker, Podman, Kubernetes 7 Cloud & Infrastructure: AWS (EC2, EBS, EFS, S3, IAM, VPC, CloudWatch) 8 Infrastructure as Code: Terraform, AWS CloudFormation 9 CI/CD & DevOps Tools: Jenkins, GitHub Actions, GitLab CI 10 Storage: LVM, RAID, GDISK, FDISK, PARTED, NFS, autofs 11 Monitoring & Observability: Nagios, Splunk, CloudWatch, Prometheus, Grafana, SolarWinds 12 Version Control: Git, GitLab

PROFESSIONAL EXPERIENCE

Linux Systems Engineer Apple 07/2023 – Present 1 Support large-scale Linux infrastructure in mission-critical production environments. 2 Deploy, configure, and maintain enterprise Linux systems including RHEL, CentOS, and SLES across virtualized and cloud infrastructure.

3 Automate server provisioning, configuration management, and compliance enforcement using Ansible and infrastructure automation workflows.

4 Develop automation scripts using Bash and Python to streamline infrastructure operations and reduce manual tasks.

5 Manage VMware ESXi infrastructure including HA, vMotion, and virtualization lifecycle management. 6 Provision and manage AWS infrastructure including EC2, VPC networking, IAM policies, and storage services. 7 Build and manage containerized workloads using Docker and Kubernetes in Linux-based environments. 8 Troubleshoot Linux server provisioning workflows including PXE network boot, DHCP configuration, and TFTP services.

9 Analyze TCP/IP networking issues including routing problems, DNS resolution failures, and network connectivity issues across distributed systems.

10 Utilize out-of-band server management interfaces (IPMI, iLO, iDRAC, Redfish) to perform remote diagnostics and system management tasks.

11 Perform root cause analysis for infrastructure incidents including server boot failures, provisioning issues, and performance bottlenecks.

12 Collaborate with engineering teams to analyze system architecture issues and improve infrastructure reliability. 13 Support monitoring and observability solutions using Nagios and log aggregation tools to detect and resolve infrastructure issues proactively.

14 Implemented CI/CD workflows using GitLab and GitHub Actions to support application and infrastructure deployments.

15 Utilized AWS CloudWatch for monitoring system metrics, logs, and alerting across cloud infrastructure. 16 Worked with Infrastructure as Code tools such as Terraform/CloudFormation for provisioning and managing AWS resources.

17 Collaborated on container orchestration environments using Kubernetes to support scalable application deployments.

18 Administered enterprise Linux systems aligned with RHEL/Oracle Linux standards including patching, security compliance, and lifecycle management.

19 Configured and managed Logical Volume Manager (LVM) for dynamic storage allocation and filesystem expansion.

20 Managed NFS server/client configurations and implemented automount (autofs) for distributed file system access.

21 Supported high-availability Linux environments across virtualized infrastructure ensuring system reliability and uptime.

22 Implemented OS patching, security hardening, and compliance practices across enterprise Linux systems. Linux Systems Administrator Wells Fargo 06/2021 – 05/2023 1 Administered enterprise Linux environments supporting critical financial infrastructure. 2 Managed RHEL and CentOS servers including installation, patching, configuration management, and system lifecycle maintenance.

3 Automated infrastructure management tasks using Ansible and shell scripting. 4 Migrated physical systems to VMware-based virtualized environments while maintaining service availability. 5 Configured core networking services including DNS, DHCP, NFS, and SSH across Linux infrastructure. 6 Implemented TCP/IP troubleshooting techniques to diagnose network connectivity issues across production systems.

7 Configured RAID storage, LVM volumes, and network interfaces including NIC bonding for high availability. 8 Implemented centralized logging and monitoring using Splunk to improve infrastructure observability. 9 Performed backup, recovery, and disaster recovery procedures to maintain business continuity. 10 Supported enterprise Linux administration practices consistent with RHEL/Oracle Linux environments. 11 Performed system patching, vulnerability remediation, and OS-level security compliance. 12 Managed NFS and distributed file systems to support enterprise application workloads. 13 Provided break/fix support and troubleshooting for Linux infrastructure issues in production environments. IT Support Specialist Unisys Solutions 11/2019 – 04/2021 1 Provided infrastructure and system support across Linux and Windows environments. 2 Assisted with server deployment, hardware installation, and system configuration. 3 Managed user accounts, permissions, and system security policies. 4 Troubleshot networking issues including DNS resolution, connectivity failures, and network configuration problems.

5 Collaborated with infrastructure teams during deployment of new servers and system upgrades. EDUCATION

Bachelor’s in Business Administration – 2013

CERTIFICATION

Red Hat Certified System Administrator (RHCSA)

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