Devops Engineer Linux

SADIAH ANWAR

TITLE

Linux DevOps Engineer

SUMMARY

A highly accomplished and dependable Linux DevOps Engineer with over six years of experience managing Linux systems in development, testing, and production environments to ensure security, resilience, and high availability. Skilled in large-scale automation with Ansible for server provisioning and configurations, with extensive expertise in monitoring using Nagios, Zabbix, Prometheus, and Splunk, and adept at resolving issues through Jira, ServiceNow, and BMC Remedy. Possesses hands-on experience with AWS cloud services, CI/CD with Jenkins, source code management with GitLab, and infrastructure automation using Terraform. Additionally, I have a strong background in incident management, change control, and performance tuning for critical infrastructures, and I am proficient in managing containerized applications with Docker and Kubernetes while leading server migrations and optimizing resource utilization.

EXPERIENCE

Linux DevOps Engineer, 12/2022 - Current

IBM/MTA - New York

Managing RHEL workloads across on-prem (VMware, physical servers) and cloud (AWS, Azure), focusing on system administration, automation, and performance optimization. Automating provisioning and configuration with Ansible and Terraform.

Designing and implementing scalable infrastructure solutions by analyzing workload demands and optimizing resource allocation through horizontal and vertical scaling.

Automating software updates, OS patches, and deployments using Ansible, Jenkins, and Kubernetes to ensure stability and minimize downtime.

Managing Linux system installation, configuration, and maintenance to enhance security, resilience, and high availability in production environments.

Writing Bash scripts to automate tasks, streamline workflows, and efficiently troubleshoot deployment issues.

Provisioning and managing VMware ESXi virtual machines through vCenter, optimizing resource utilization and performance.

Deploying and managing Ansible Playbooks for provisioning, configuration management, and software deployment across large-scale infrastructure.

Utilizing Ansible Tower for centralized control over multi-node deployments, automating critical rollouts and system updates.

Implementing GitLab and Bitbucket policies for version control, improving collaboration, and streamlining CI/CD workflows.

Managing Docker containers, maintaining Docker Hub repositories, and deploying Kubernetes clusters by configuring Pods, Deployments, and Services.

Hardening Linux environments by tuning kernel parameters, implementing iptables-based firewalls, and enforcing secure access controls.

Monitoring infrastructure and responding to real-time alerts using Zabbix and Prometheus to ensure system stability and high availability.

Provisioning, monitoring, and securing AWS services, including EC2, S3, IAM, VPC, AMI, EBS, and ELB, to optimize cloud infrastructure.

Utilizing Terraform to design, deploy, and manage cloud infrastructure, automate resource provisioning, and integrate with CI/CD pipelines.

Implementing AWS best practices for tagging and managing EC2 instances to improve resource efficiency.

Automating server provisioning and configuration using Ansible and Terraform across on-premises (VMware, physical servers) and cloud platforms (AWS, Azure).

Leading incident management and change request processes, ensuring SLA compliance, risk mitigation, and minimal downtime.

Developing and implementing change management strategies to maintain service reliability and operational continuity.

Enhancing system performance and availability by tuning RHEL workloads, optimizing configurations, and automating monitoring solutions.

Reduced deployment times by 50% through CI/CD automation and increased infrastructure efficiency by 40% using reusable Terraform modules.

Minimized downtime by 30% with integrated monitoring solutions and proactive incident response strategies.

Linux Systems Admin, 11/2019 - 10/2022

Hewlett Packard Enterprise - Spring, TX

Applied security patches and upgrades to virtual machines via VMware vSphere and vCenter, ensuring compliance and secure access.

Configured and maintained file systems (EXT3, EXT4, XFS) using gdisk and fdisk for partition management and data integrity.

Managed version-controlled documentation using Git for secure collaboration.

Utilized CloudWatch for proactive infrastructure monitoring and performance analysis.

Resolved storage issues, managed LVM snapshots, and ensured high availability and scalability.

Integrated storage arrays, networking services, and backup solutions to enhance system capabilities.

Configured RAID levels using striping and mirroring for redundancy and performance optimization.

Enforced Access Control Lists (ACLs) to manage user and group permissions, ensuring security compliance.

Analyzed SYSLOG data to identify and resolve system-level issues, improving efficiency.

Deployed and optimized Apache web servers for high availability and performance.

Configured IP addressing, subnets, and gateways for seamless network connectivity.

Resolved system issues via JIRA, adhering to SLA guidelines and maintaining uptime.

Configured and optimized NFS servers for efficient data sharing across distributed environments.

Automated workflows and administrative tasks with advanced Bash scripting, reducing manual intervention.

Provided 24/7 on-call support, diagnosing and resolving high-priority incidents to ensure system uptime.

Ensured secure remote server access via OpenSSH, implementing strict security protocols.

IT Support and Systems Administrator, 07/2018 - 09/2019

Crescent School - Hempstead, N.Y

Responded to e-mails and calls, providing immediate solutions and connecting users to appropriate resources.

Managed ticketing systems to troubleshoot and resolve hardware issues, ensuring system reliability.

Administered storage capacity requests and optimized resource allocation, including CPU and memory tuning.

Executed system backup strategies to ensure data integrity and recoverability.

Used gzip and tar to compress, archive, and transfer files, streamlining backup processes.

Troubleshot and resolved connectivity issues, minimizing downtime and ensuring uninterrupted network operations.

Monitored server health, identified performance issues, and escalated critical incidents as needed.

Developed and implemented backup and disaster recovery plans to safeguard critical data and maintain business continuity.

ACCOMPLISHMENTS

Reduced deployment time by 40% with Terraform & Ansible.

Improved delivery speed by 30% using Jenkins & GitLab.

Optimized AWS resources, cutting costs by 25%.

Managed Docker & Kubernetes, reducing downtime by 35%; utilized kubectl for workload management and troubleshooting.

Enhanced uptime to 99.9% with Splunk, Prometheus, & Grafana.

Reduced vulnerabilities by 40%, improving system performance.

Managed RHEL workloads across on-prem & cloud.

Streamlined CI/CD & repository management with GitHub.

EDUCATION

BS, (Science & Math)

Grand Canyon University

4.0 GPA

Masters, S.T.E.M (Science.Technology.Engineering.Math)

Grand Canyon University

4.0 GPA

REFERENCES:

Available upon request.

CONTACT

Address: East Meadow, NY 11554

Phone: 516-***-****

Email: ******.*******@*****.***

LINKDIN PORTFOLIO

http://www.linkedin.com/in/sadiah-anwar-6618b6b4

SKILLS

Operating Systems: RHEL, CENTOS, OEL, Debian, Ubuntu

Hardware & Server Management: ILO, IDRAC, DELL Servers, HP Servers

Virtualization: VMware, ESXi Host, vCenter, vSphere, Snapshot, Clone, Templates, HA (High Availability), FT (Fault Tolerance)

Storage & Disk Management: SAN, NAS, NFS, RAID, LVM, File Systems (Ext3, Ext4, XFS)

Monitoring & Logging: SNow, Nagios, Zabbix, Prometheus, Cloud Watch

Configuration Management & Automation: Ansible, Ansible Tower, Terraform (IaC)

CI/CD & DevOps Pipeline: CI/CD, Jenkins, RAAP

Networking & Protocols: DNS, DHCP, FTP, Vsftpd, HTTP, Apache

Version Control & Repository Management: GIT, GitLab, BitBucket

Identity & Access Management: Active Directory, LDAP, IAM (AWS Identity and Access Management)

File & Server Management: TFTP, SAMBA

Cloud Computing and AWS Services: IAM, EC2, EFS, S3, AMI, Glacier, CloudTrail, EBS, ELB, and Auto Scaling

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