SUMMARY

• Unix Linux Engineer with over 8 years of experience in a multi - platform UNIX, Linux and Windows environment with hands-on experience in Red Hat v5,v6 & v7, CentOS v6 & v7, Ubuntu, Solaris v9,v10 & v11.
• A senior member of production support team who serves as first responder for open source, commercial and in house written applications running on over 200 physical and virtual hosts. Also responsible for multiple Vmware ESXi clusters with over 48 physical hosts providing service for approximately 1200 virtual machines.
• Responsible for writing scripts for the purpose of task automation and service monitoring. Excellent working knowledge patching Red Hat and Solaris servers using Red Hat Satellite and Ansible Automation.
• Excellent working knowledge of BMC Remedy in terms of release management, change management, incident management and task management. Experience building and maintaining multiple Hadoop clusters for data analytics.
• I am Responsible for webserver configurations and hosting, systems builds. I am capable of working independently as well as in a team with little or no supervision. I work well with people and I am regarded as a people person.
• I have an excellent background in technical support, troubleshooting connectivity issues affecting productivity and system maintenance. I also have excellent knowledge of AWS Management Console, EC2 instances, S3 storage, Identity Access Management etc.

TECHNICAL SKILLS

Operating Systems: RHEL 5.x,6.x,7.x, CentOS 6.x,7.x, Scientific Linux 5.x,6.x,7.x,AIX, HPUX, IBM z/Linux, Ubuntu, Solaris /9/10/11, VMWare ESXi 5.x & 6.x Virtual Box, Vmware Workstation, Storage (SAN/NAS), Windows XP/7/8 Professional, Windows Server 2008 R2, AWS Linux EC2,S3 Storage, IAM etc.

Containers: LDOMS, Global Zones, Docker

Hands on Knowledge of: Kubernetes, Jenkins, Jira, Terraform, Vagrant, Git, Bitbucket, Hadoop

Hardware: HP ProLiant DL360 G7, DL380 G8, DL380 G9, DL360P G8, BL460c G9, DL580 G7, DL580 G8. Sun Microsystems M4000, M5000, SPARC T3-1, SPARC T3-2, SPARC T4-1, SPARC T4-2, SPARC T5-2, SPARC T5-2, T5240, T5440. Dell Poweredge 3650

Domain Knowledge: US Treasury, Federal Reserve, Biomedical Research, Biotech & Bioinformatics

PROFESSIONAL EXPERIENCE

UNIX/Linux Engineer

Confidential, Richmond VA

Responsibilities:

• Leading the patching team to ensure all servers are patched and are on current kernel release.
• Working on Cloud projects to build servers (virtual & physical) on premise and in cloud (AWS & Azure).
• Build and configure tomcat and apache for virtual hosting, security web service (TLS & SSL), private content access as well as dynamic web content (Web Server Gateway Interface).
• Build, maintain and support multiple Hadoop servers for the Federal Reserve Bank on premise and in the cloud.
• Setting-up, configuring and troubleshooting Samba & NFS servers in a multiplatform LAN.
• I provide Operating System level support to application developers as well as application integrators, which may include patching, installation, configuration or troubleshooting any issues that may impact mission critical applications.
• Working on Data Center Walkthrough tickets related to amber or LED lights related to server faults (motherboard, DIMM, HDD, HBA, QLOGIC, Power Supply etc). I engage company's approved hardware vendor to get a replacement and build a change request to begin planning to replace the faulty component.
• Schedule, coordinate, and perform installations of hardware, software, OS upgrades, changes, configurations as well as migration. Install, configure and maintain Integrated Light Out Consoles, Dell Remote Access Control, ILOM, and Service Processors to facilitate remote server administration.
• Handling escalated incidents or high critical tickets (P1, P2), tier2 & tier3 cases to ensure SLAs are not breached.
• Monitor logs on UNIX, Linux, and Windows servers, including processes, crash and swap management, and performance tuning.
• Creates and administers User accounts, manages User security, password recovery, aging and complexity.
• I plan and build Change Requests (CRQ) to be submitted to Change Management when there is a change to done on a server.
• I represent my group at the Change Advisory Board when there is any change that need to be done on a server.
• Evaluate (National Incident Response Team) NIRT Alerts and Common Vulnerability Evaluation and work with the Security Group to install appropriate patches.
• Participates in a weekly On-Call rotation and after hours support.
• Handling Data Center Operations with Business & Mission Critical applications
• Predicts Risk/Impact and Participates in Major Changes as well as root cause analysis
• Work concurrently on multiple projects and performs other duties as assigned.

UNIX/Linux System Administrator

Confidential, Beltsville Maryland

Responsibilities:

• Server builds and deployment (CentOS, RHEL, Solaris), using interactive and advance installation methods (Kickstart and Jumpstart).
• Patching of CentOS, RHEL and Solaris servers. Patching in Linux using yum and in Solaris 10 using (10-Recommended patches) and upgrades (release), patching on standalone servers using (single user mode), and on production servers (live upgrade) using an alternate boot environment (ABE).
• Troubleshoots hardware and connectivity issues affecting productivity.
• Build yum repositories and patches Linux servers.
• Setting-up, configuring and troubleshooting NFS, Samba, targets, LUNS in a multiplatform LAN.
• Monitor log on UNIX, Linux, and Windows servers, including processes, crash and swap management, and performance tuning.
• Creates and administers User accounts, manages User security, password recovery, aging and complexity.
• Using bash shell scripting to schedule and automate processes including full and incremental backups using tar, cpio, crontab, ufsdump and snapshots; migrating and enlarging file systems on Solaris 10 and Linux.
• Performing multiplatform volume management using LVM, SVM, ZFS volume manager, VERITAS and NAS volume manager. Install and configured a LAN wide NAS (Free NAS) used for creating LUNs and attaching to Windows 2008 servers and to Solaris 10 using iSCSi.
• Regulates access to system resources by configuring Access Control List (ACL), and Sudo.
• Creates and manage LVM volumes and participate in root cause analysis.
• Setting-up whole root zones/containers on Solaris 10 for application management; migrating zone paths and complete zones to other platforms.
• Setting-up a domain and active directory Windows servers; installing and configuring a samba server on Linux and Solaris 10 and mapping to Windows servers.
• Configuring Apache on Solaris 10 and Linux for virtual and web hosting. Installing and configuring MySQL in Solaris 10 and Linux environments.
• Working knowledge of puppet master & agent
• Other related duties as assigned.