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Click here or scroll down to respond to this candidate Candidate's Name
PHONE NUMBER AVAILABLE | EMAIL AVAILABLEOBJECTIVEExperienced IT professional with over 5 years as a confident and knowledgeable DevOps engineer/administrator, specializing in automation and orchestration tools. Adept at providing technical support and utilizing cutting-edge infrastructure tools to meet organizational needs. Skilled in performing and applying monthly critical security patches to ensure a secure and efficient environment, minimizing application latency. Proficient in maintaining systems at both the OS and hardware levels. Detail-oriented with strong problem-solving, analytical, fault diagnosis, communication, interpersonal, and teamwork skills.CORE COMPETENCIES Outstanding ability to work in a cross-functional, team-oriented environment with multiple disciplines. Proven ability to plan, prioritize, and organize activities to meet deadlines while working under pressure. Excellent work ethic with the ability to function independently with minimal supervision. Strong interpersonal skills with excellent organizational, people, and time management abilities. Highly skilled at diagnosing system problems, recommending solutions, maintaining systems, and implementing initiatives.EXPERTISE Operating Systems: Red Hat 6/7/8, CentOS, Fedora, Other UNIX/Linux Distros, Windows Web Servers: Apache, Nginx Languages: YAML, Bash Scripting, Python, PowerShell, Java, C++, PHP Cloud/Virtualization/Hardware: VMware, KVM, HP, Dell, Cisco UCS Blades, AWS, GCP DevOps Tools: Ansible, Git, AWX/Ansible Tower, Docker, Terraform, Kubernetes, Jenkins Utility Tools/Other: Citrix, F5, Oracle RAC, ASM, LVM, Fdisk, Kpartx, Multipath, RAID, TCP/IP, UDP/IP, ICMP, WAN/LAN, OpenSSH, Red Hat Satellite, Red Hat Directory Service, Red Hat IdM, Red Hat GlusterFS, FUSE, NFS, NFS-Ganesha, Netstat/ss, LAMP Stack, HTTPD, Nagios, Splunk, Putty, MobaXterm, Samba, Disk Management, WinSCP, Rsync, Kernel Tuning/Sysctl/Proc, SystemV, SystemD, GRUB, ILO, IDRAC, UCS Central, CRON, SAN/NAS, MS Office SuiteEXPERIENCEAT&TLinux System Engineer/Cloud Architect | September 2021 Present Build servers via PXE-boot-like method using the Red Hat Satellite 6 web client user interface, automated the build process with Hammer CLI, maintain LDAP Servers through Red Hat Directory Services, fix domain client connectivity issues, and apply OS patches. Provision remote access to ensure compliance with corporate security guidelines using the RSA Security Console, read through compliance documentation, and implement it across newly deployed systems. Collaborate with vendors to minimize costs while ordering system parts such as memory, motherboard, and hard disks. Evaluate, design, develop, and deploy additional technologies for services on AWS and GCP. For GCP: GCE, GCS, VPC/Subnets, Stackdriver. For AWS: EC2, S3, RDS, ECS, Elastic Load Balancer, EBS, RDS, IAM, Route 53, Auto Scaling Groups. Implement AWS CodePipeline and create CloudFormation JSON templates in Terraform for infrastructure as code. Utilize Terraform and Ansible to automate provisioning and repetitive tasks across Docker containers and Service Orchestration. Play a key role in automating deployments on AWS, GCP using GitHub, Terraform, Ansible, and Jenkins. Post Jenkins code review, deploy code as per developer requirements to application servers using Git. Upgrade Kubernetes for optimal use and stable version compatibility with the infrastructure. Efficiently manage clusters of Linux containers using Kubernetes. Work with the SAN team to allocate new storage as needed across bare metal systems and partake in data migration for database systems and OS level LVM migration. Deploy servers on bare metal, virtual, and cloud platforms, utilizing Red Hat Satellite for provisioning server profiles according to client and infrastructure placement. Utilize and manage Red Hat Satellite 6 server for Repos and Subscription management, architect and deploy Red Hat products via Red Hat Content Delivery/Content Views management. Automate and deploy Ansible YAML playbooks to enhance and configure infrastructure systems, along with day-to-day tasks and post-built hardening according to the organization s compliance standard. Manage and deploy infrastructure configuration files such as PAM, SSHD, and others to sync with infrastructure systems such as LDAP, Authentication, and synchronized timekeeping via NTP/Chrony. Familiarity with AWS and GCP control management console to spin instances as needed per client base along with traditional bare metal deployment with HP and UCS blades. Manage and scale container needs using Docker images and orchestration using Kubernetes/Kubectl interface. Proficiently employ YAML, Bash Scripting, Python, and PowerShell to develop automation scripts and configuration files, thereby optimizing system administration workflows and enhancing operational efficiency. Liaison among organizational teams to achieve resolution to remediate issues and bottlenecks to fulfill the ideal state of productivity. Manage Amazon Web Service Identity Access Management/IAM policies to provide and grant access to the AWS console and manage storage needs for EC2 instances per AWS storage products such as EBS, S3, and AWS Storage Gateway. Manage and partake in applying Red Hat Errata across infrastructure systems to remediate vulnerabilities using Ansible YAML playbooks, Ansible Ad Hoc, and Red Hat Satellite 6 server during coordinated bridge calls with the application team and database admins. Manage Windows servers, including Active Directory, group policies, and system administration tasks. Coordinate with Database Admins to provide and allocate storage requirements as needed and provision partitions for ASM use.L Or alLinux System Administrator | December 2019 September 2021 Resolved network and DNS-related issues using optimal OS utilities such as traceroute, netstat, nslookup, dig, sshd, nfsd, mountd, strace. Detected performance system issues using OS utilities such as top, vmstat, iostat, and the system activity report (SAR). Used Puppet Master to synchronize configurations on infrastructure systems hosting business applications via running agents. Installed LAMP stack (Linux, Apache, MySQL, PHP) to achieve an optimal ecosystem of web hosting for user experience. Troubleshot and maintained TCP/IP, Apache HTTP/S, Tomcat, SMTP, and DNS applications to ensure cohesive network data exchange. Modified Bash scripts, functions, and loops, and constructed files with multiple sets of functions and loops to automate configuration across numerous Red Hat Enterprise Linux systems. Assigned RSA tokens, monitored unauthorized activities, and notified the network team of unsuccessful attempts. Accountable for the security of IT assets, initiated Foundstone s network scans to pinpoint vulnerabilities and policy violations. Administered AD users and groups and promptly resolved hardware/application issues in the Windows environment. Installed and maintained NetBackup server and clients, ensuring regular backups and fixing hosts not backed up regularly. Configured and maintained Samba servers to provide access to UNIX home directories and printers on Windows platforms. Installed ESXI 5.5 on Dell and HP servers and performed physical to virtual migrations. Installed and maintained LAMP stack and resolved connectivity issues on a daily basis. Provided 24/7 support for environmental systems and technical support. Installed Windows (Windows XP and 2003 Servers) and Linux Operating systems (Red Hat and CentOS). Developed and maintained automation scripts and tools using Python for various system administration tasks. Prepared correspondences and maintained client appointment logs and records within management and security-approved tickets. Utilized troubleshooting skills to diagnose and resolve login issues, monitor system messages, and reset passwords. Performed software installations on Linux systems under the /opt directory and regularly scheduled updates. Managed users and groups on AD and LDAP Client via Red Hat Directory Services, and constructed and managed netgroup LDIF files. Reconfigured/set up machines for new hires and provided documentation for infrastructure management. Resolved DNS-related issues using OS files and utilities such as DIG and NSLOOKUP. Created project directories and set proper execute permissions using permission bits such as setuid, setgid, and sticky bit. Constructed and created ACL permissions for user/group-based access on specific files and directory structures. Deployed infrastructure using DHCP, TFTP, and PXE-enabled NIC for network boot installations. Worked with the VMware team to allocate and coordinate virtual machine hardware reconfiguration. Managed capacity using LVM file systems to increase space as needed by the OS and application utilization. Managed and troubleshot physical bare metal servers via HP/iLO, UCS/KVM management consoles, and monitored system health checks. Monitored server CPU, memory, disk, and swap space usage for performance tuning. Created, cloned Linux virtual machines, and templates using VMware. Verified built servers. Worked extensively with Network File System (NFS) for storage. Patched RHEL5.3 servers for PCI compliance and VCS patching for Solaris servers during scheduled outages. Upgraded kernel from EL5.3 to 5.4 during production outages. Decommissioned old servers and tracked new and decommissioned servers using an inventory list. Monitored system activities to avoid performance issues. Managed software package and patch administration, adding/removing software packages, and updating patches. Handled problems or requirements as per the ticket (Request Tracker) created. Configured and administered LDAP, NFS, and NIS in Linux and implemented Samba for resource sharing between Linux and Windows environments. Maintained documentation of all activities carried out during the project. EDUCATIONCUNY Brooklyn College, Brooklyn, N.Y Computer Science
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