System Administrator - Leonardo DRS - RADA DRS
Germantown, MD • 06/2022 – 08/2024
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- Implemented, and managed the company's Active Directory (AD) domain controller from the ground up, ensuring secure authentication, streamlined access control, and efficient management of user accounts and resources across the organization.
- Administered and optimized network switch configurations, ensuring efficient traffic management and redundancy. Spearheaded the setup and configuration of the company's datacenter, delivering robust, scalable infrastructure to support mission-critical applications.
- Configured and managed Jira servers, ensuring optimal performance, reliability, and seamless integration with organizational workflows.
- Created and deployed the base ISO image for Windows endpoint laptops and VMs across the organization, ensuring consistent configuration, security standards, and streamlined deployment processes.
- Implemented thorough testing protocols for third-party software packages and dependencies on Linux servers, ensuring system stability, compatibility, and security during deployment.
- Successfully recovered corrupted and deleted servers using Nutanix Snapshots and Rubrik, ensuring minimal downtime and preserving critical data integrity.
- Monitored and managed unapproved software installations on user computers using Airlock, ensuring compliance with security policies and mitigating potential risks.
- Managed Active Directory (AD) user and computer policies in alignment with Zero Trust security principles, enforcing strict access controls and minimizing security risks across the organization.
- Managed and maintained software running on Docker containers, optimizing containerized applications for performance and reliability across the organization’s infrastructure.
- Developed PowerShell scripts to automate tasks such as VM decommissioning, Active Directory account creation, and other routine processes, significantly improving efficiency and reducing manual effort.
- Developed Bash scripts to automate software updates, network configurations, and routine tasks on Linux servers, enhancing system efficiency and reducing manual intervention.
- Deployed SCCM application packages and company-wide software updates for endpoint users, ensuring timely distribution and maintaining system consistency across the organization.
- Managed the company’s file share system, creating centralized storage solutions for each department to facilitate seamless collaboration and secure file management.
- Set up Jenkins CI/CD pipelines on a Linux server for continuous integration, including managing directories and containers.
- Experimented with Linux Directory Hierarchy within a dedicated test lab environment for better system understanding and optimization.
- Implemented and managed cron jobs to rotate Apache log files, preventing them from growing too large and ensuring optimal server performance and disk space management.
- Upgraded NAS storage in the datacenter to increase capacity for the company’s file share, ensuring scalable storage solutions to meet growing data demands.
- Collaborated directly with endpoint users to troubleshoot a wide range of issues beyond IT, providing comprehensive support and ensuring smooth operational workflows.
- Configured endpoint user laptops using PXE boot, streamlining the deployment process and ensuring consistent system setups across the organization.
- Managed S/MIME and SSL certificates for secure email communication and website encryption, ensuring data integrity and compliance with security standards.
- Resolved S/MIME certificate issues for endpoint users, ensuring secure email communication and seamless user experience.
- Managed license servers for both endpoint and IT software, ensuring proper license allocation, compliance, and uninterrupted access to essential tools across the organization.
- Leveraged Python to automate a variety of tasks, including server management and password vault operations, improving efficiency, security, and reducing manual workload.
- Utilized software like BeyondTrust to provide remote assistance to end users and manage endpoint devices, ensuring secure and efficient support across the organization.
- Used Zscaler to manage and monitor website access, enforcing web security policies and ensuring safe browsing for endpoint users across the organization.
- Utilized Secrets Manager to securely store and manage sensitive information such as API keys, passwords, and credentials, enhancing security and access control within the organization.
- Managed the DNS and DHCP servers, ensuring reliable network addressing and name resolution across the organization for seamless connectivity and performance.
- Collaborated with vendors to implement software solutions within the organization’s environment, ensuring seamless integration and alignment with business needs.
- Designed, configured, and maintained the RDS Broker and session pool, ensuring secure, efficient, and scalable remote desktop services for users across the organization.
