Systems Engineer Linux
Resume:
Linux Systems Engineer
Sahar Munir
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ad5pzg@r.postjobfree.com New York
Profile
Dedicated Linux Systems Engineer with over 6 years of hands-on experience, offering a comprehensive skill set encompassing networking, authentication, configuration management, version control and containerization. Expertise in storage and disk management, coupled with proficiency in package and file transfer protocols. Good at administering vSphere environments and utilizing tools like Nagios for effective monitoring. Experience in Agile methodologies within Jira, emphasizing a commitment to project workflows. Expert in resolving complex technical issues promptly, implementing automation through Ansible, Git and securing systems with encryption practices.
CORE COMPETENCIES
Networking: NIC teaming, Channel bonding, TCP/IP, UDP, DNS, DHCP, Router, Switches
Authentication and Authorization: NIS, LDAP, Active Directory, SSH-authentication
DevOps Tools: Ansible, Ansible Tower, Cloud (AWS Services)
Version Control: GIT, Gitlab
Containerization and Orchestration: Dockers, Kubernetes
Storage Management: LVM, NFS, SAN, LUN, NAS, RAID LEVELS
Disk Management: fdisk, gdisk, parted
Package Management: RPM, YUM, Yum repo server
Web Services: Apache, Nginx
Security: Firewall, Iptables, SELinux
Virtualization: VMware, ESXI, Vcenter, VConvertor, VMotion, Cluster, Migration,
HA, DRS, FT, Snapshot, Clone, Template
Operating Systems: RHEL 6, 7 & 8, CentOS, Ubuntu, OEL
Ticketing & Monitoring Tools: BMC Remedy, Jira, Snow, Nagios, Solarwind, Splunk
EDUCATION
Bachelor
Brooklyn College 2015
EXPERIENCE:
MAR 2021 - PRESENT
BNY Mellon, NYC, NY
Linux Systems Engineer
Integrating vulnerability assessments into patching processes, identifying and prioritizing critical vulnerabilities to effectively allocate resources and mitigate potential security risks.
Configured alerting and notification mechanisms in Nagios to promptly notify relevant stakeholders via email, SMS, or other channels in the event of system anomalies or service disruptions.
Implementing Agile methodologies within Jira, including Scrum and Kanban, to efficiently plan, track and manage tasks, sprints and releases for project workflows.
Leveraging Amazon EC2 instances to provision on-demand virtual servers, offering scalable and flexible compute capacity based on the specific requirements of applications and workloads.
Enhancing data security by implementing server-side encryption (SSE) in Amazon S3, encrypting data at rest, and utilizing SSL/TLS for secure data transfer, meeting compliance requirements and safeguarding sensitive information.
Utilizing Ad hoc commands as a powerful troubleshooting tool to diagnose and address issues promptly, helping maintain system stability and minimizing downtime.
Integrating conditional statements and loops within Ansible playbooks to handle dynamic scenarios, enabling responsive and adaptive automation in response to changing conditions.
Utilizing Ansible Tower's RBAC features to define granular permissions, ensuring secure access and delegation of responsibilities to different team members based on their roles.
Hands on experience working with Gitlab including branching and pull request features, enabling team members to work concurrently on different features or fixes and generating merge requests.
Responsible for administration and optimization of Logical Volume Manger including not limited to creation of Volumes, and efficiently allocating and resizing logical volumes to meet changing system requirements.
Experience in utilizing LVM snapshots for data backups and system recovery, ensuring data integrity and minimizing downtime in critical scenarios.
Using Docker for containerization, encapsulating applications and their dependencies into lightweight, portable containers for smooth deployment across various environments.
Expertise in creating Docker files to define container configurations, enabling the creation of reproducible and version-controlled images.
Oct 2018 – MAR 2021
American Express Phoenix, AZ
Linux Administrator
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Proficient in the architecture of vSphere, including ESXi hosts, vCenter Server, and associated components, ensuring a solid foundation for scalable and resilient virtual infrastructures.
Effectively utilized vSphere Resource Pools to allocate and manage compute, memory, and storage resources, optimizing performance and resource utilization across virtual machines.
Integrated kernel modules with the /proc filesystem to expose runtime information and configuration options, providing user-friendly access to module-related data and settings.
Administered user privileges and roles effectively, utilizing tools like sudo, to grant necessary permissions for system tasks.
Utilized nslookup to diagnose and resolve DNS-related issues, verifying domain and IP address mappings, and ensuring seamless communication between network resources through effective domain resolution.
Implemented PXE-Boot (Preboot Execution Environment) for both bare-metal and virtual machines, enhancing the deployment process across diverse hardware configurations.
Adopted a default deny policy for firewalls, ensuring that only explicitly permitted traffic is allowed, minimizing the attack surface.
Expertise in both Master Boot Record (MBR) and GUID Partition Table (GPT) partitioning schemes, adapting partition strategies based on specific system requirements and compatibility.
Implemented RAID 0 for data striping, distributing data across multiple disks to enhance read/write performance, though without redundancy, making it suitable for non-critical, high-performance applications.
Configured and maintained (VPN) services, establishing secure communication channels for remote access and site-to-site connectivity, ensuring the confidentiality and integrity of data transmission.
Skillfully extracted specific files or directories from TAR archives, utilizing command-line options to restore individual components without the need to decompress the entire archive.
Expertise in customizing RSA key lengths based on security requirements, balancing the trade-off between stronger encryption and computational overhead.
Adept in Bash scripting, utilizing its powerful features to automate repetitive tasks, enhance system administration, and simplify complex processes in Linux environments.
OCT 2017 – SEP 2018
GetFelix, Berkeley Heights, NJ
Linux Technician
c
Ability to resolve fundamental technical issues efficiently with a solid foundation in IT problem solving skills.
Executed password resets for clients through Active Directory, proficiency in user account management and security practices.
Diagnosed and resolved technical hardware, software, and network issues, leveraging a comprehensive understanding of IT systems to ensure smooth day-to-day operations.
Implemented, maintained, operated, and supported various technical programs and operations, contributing to the overall efficiency and functionality of technical systems.
Installed and configured network infrastructure components, including switches, Ethernet cables, IP phones and operating system software.
Provided valuable assistance to users by offering effective troubleshooting guidance and recommending appropriate actions to resolve technical issues promptly.
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