SUMMARY

• A certified Linux cloud professional with over 10+ years of cross - platform experience in automating Linux (RHEL/Amazon
• Linux/CentOS/Fedora) and Unix system solutions in bare metal, virtual and cloud (AWS)environments.
• Specializes in designing and implementing automated configuration management solutions through the combined use of the AWSCLI, BOTO libraries and Ansible(YAML)playbooks/roles.
• Lead-level Linux design of all major RHEL products including Red Hat Satellite server(RHSS), Red Hat Identity Management(IDM) and Ansible Tower.
• Expertise in customized kickstart installations and management of bare metal, virtual and cloud (AWS) instances.
• Automates manual processes using YAML, BOTO, BOTO3 python modules, Unix Shell (bash, ksh) etc.
• Responsible for all aspects of the OS patching process which consists of Red Hat Satellite Server management of Errata and RPM packages with latest registered patches.
• Superior troubleshooting and technical support abilities with migrations, network connectivity, and security of enterprise wide systems.
• Multi-tasking with project management skills and strong end-user / customer focus.

TECHNICAL SKILLS

Cloud Infrastructure: Amazon Web Services (AWS), CloudForms

Cloud Technologies: IAM, EC2, S3, CloudWatch, VPC, IAM, CloudFormation

Operating Systems: Red Hat Linux (RHEL), CentOS, Fedora, Amazon Linux, AIX

Containers/Virtualization: OpenShift, Docker, ECS, VMware, Xen, KVM

Scripting Languages: Bash, Python, Unix Shell (Korn, Bourne)

Automation/Build tools: Ansible, Jenkins, OPsware, AWSCLI

Web Servers: IBM HTTP Server (IHS), Apache HTTP Server

Application Servers: Websphere, Weblogic, JBoss, Tomcat

Hardware: IBM blades, IBM HS 2X, RS/6000, pSeries, Dell, HMC, POWER5, HP, EMC, Intel

Security: EnCase, NMAP, Nessus, Snort, Cain & Abel, Netwire, Subversion, Tripwire

Networking: TCP/IP, DHCP, DNS, SSH, FTP, SCP, NAT, VLAN, Cisco IOS, SAN Switches

Software/Databases: Oracle, MySQL, InterSystems Cache, IBM DB2

PROFESSIONAL EXPERIENCE

Confidential, Washington, DC

Sr. Linux Cloud Automation Solutions Architect

Responsibilities:

• Designs, architects, and implements next generation Linux/AWS architecture using build automation tools such as: Ansible, Jenkins and GitLab.
• Provides leadership and thorough knowledge of all core SEC Linux(RHEL) infrastructure including but not limited to Identity Management(IDM), Satellite Server(RHSS) and Ansible Tower.
• Implemented an AMI baseline standard for automating the provisioning process of all RHEL EC2 instances in SEC C3 environment.
• Manages and oversees baseline kickstart ISO configurations for automated bare metal and virtual RHEL7 server builds.
• Develops custom AMIs that are converted from OVA VM templates and also QEMU to VHD image conversions.
• Built and standardized a configuration management system with orchestration best practices based on Ansible which promotes an idempotent environment.
• Performs configuration management duties and develop infrastructure automation code(IAC) through the use of Ansible roles and playbooks.
• Conducts research on Linux(RHEL) products, services, protocols, and standards in support of network procurements
• Strong knowledge and skills on AWS architecture design, especially in Development, Staging and Production environments.
• Designed and built internal Python Package Index repository (PYPI) for SEC development community.
• Builds custom RPMs and performs 'rhn-push' operations into custom Satellite channels for all COTS software management.
• Ability to research, propose and prototype new principles, technologies, tools and concepts and integrate them into the teams collective knowledge.
• AWS Components used: EC2, CloudFormation(CFT),VPC, RDS, ELB, NACLs, Security Groups, Auto Scaling, IAM, CloudFront, S3, Glacier, Import/Export.

Confidential, Washington, DC

Sr. Red Hat/AWS Engineer

Responsibilities:

• Linux Cloud engineer responsible for the architecting, support and management of the cloud infrastructure for the National Computerized Maintenance Management System (NCMMS).
• Design, build and support Red Hat (RHEL6) EC2 instances running on EBS storage volumes under the Public and VPC cloud environments which utilize multiple availability zones in multiple regions.
• Implemented custom VPC that utilized multiple availability zones across US East and US West regions with auto-scaled environments to combat fault tolerance.
• Created S3 buckets for developers serving static web content.
• Utilize Puppet configuration management server and nodes to push global wide configurations across multiple infrastructure servers.
• Created identity and access management (IAM) roles, users, and groups to restrict user access to specific AWS resources.
• Configure many AWS components including: VPC, Security Groups, Route Tables, IAM, ELB, S3, Auto-Scaling, AWS CLI API, Route 53 etc.
• Administered apache web server clusters "httpd" for content redirection, rewrite conditional rules and full management of web resources.

Confidential, Washington, DC

Sr. Linux/AWS Engineer

Responsibilities:

• Implemented custom VPC that utilized multiple availability zones across US East and US West regions with auto-scaled environments to combat fault tolerance.
• Utilize Puppet configuration management server and nodes to push global wide configurations across multiple infrastructure servers.

Confidential, McLean, VA

Principal Red Hat Systems Engineer

Responsibilities:

• Assist in supporting, developing and deploying a public key infrastructure for secure internet communication for the Department of Defense ( Confidential ).
• Design/implement complex local and wide-area networks consisting of Red Hat Enterprise Linux machines.
• Solve complex integration issues in regards to RHEL 5 and 6 interconnected systems.
• Configuration of static routes, packet filtering, and network address translation.
• Solid shell scripting in Bash and Perl programming to automate multiple operations in a classified PKI environment.

Confidential, Silver Spring, MD

Sr. Linux Engineer

Responsibilities:

• Responsible for the health and security of all NOAA Linux servers under the FOST/NMFS department of technology.
• Main objective is to design, build and migrate legacy government servers and applications to the new IBM blade server infrastructure.
• Migrated end-of-life legacy NOAA systems to newly configured RHEL 5.8 servers running on IBM blades (HS20, HS22v).
• Re-architect the entire FOST/NMFS department systems with latest security in an effort to comply with the FIPS 140-2 security protocol.
• P2V migrations of legacy standalone servers to newly implemented virtualized clients.
• Provided tier 3 24/7 technical support for all FOST/NMFS servers in a mixed environment which included Red Hat, CentOS and VMware virtual clients.
• Setup and designed a samba share server to address remote accessibility to file systems across FOST/NMFS Linux environments.
• Assist with the design and support of a mixed virtual infrastructure environment which includes VMware ESXi 4, Xen and Linux KVM.
• Built and configured a centrally managed administration server for server updates, kernel upgrades and automated installs over the network.
• Audited all FOST/NMFS infrastructure servers by utilizing and customizing the Center for Internet Security (CIS) benchmark audit to comply with agency security regulations.
• Designed and wrote bash and korn shell scripts to help automate the process of migrating millions of sensitive research records throughout the NOAA/FOST network.
• Versed in a plethora of security tools including NMAP, NESSUS and ArcSight to assist in mitigating security vulnerabilities on a daily basis.
• Script iptables firewall rules for newly implemented applications that need network accessibility.
• Designed nagios security services monitoring system which monitors all services on the FOST/NMFS network.
• Manages daily systems engineering duties such as performance tuning, patching, analyze server resources, script new cron jobs etc.

Confidential, Bowie, MD

Sr. Linux Systems Engineer

Responsibilities:

• Responsible for all production server side day to day Linux systems administration support and engineering for all Census Bureau servers across the country.
• Honored by the Census Bureau with gold stamp seal of appreciation for lead support role of the high profile SAN consolidation and migration project.
• Appointed lead systems engineer for SAN consolidation and migration project.
• Responsible for migrating petabytes of sensitive government SAN storage from legacy HP EVA storage to 3PAR and IBM SVC storage.
• Manages mission-critical server environments across the Census Bureau that include virtualized Linux environments, standalone Linux server environments, and legacy Unix environments.
• SAN storage back ends utilizing 3PAR storage, IBM DS storage, and EMC DMX storage arrays with petabytes of storage capabilities.
• Provide support for the blade server hardware and various software tools used within the Census Bureau to continue to migrate legacy servers to RHEL Linux and blade servers
• Adminsters and supports large Red Hat clusters consisting of 3 node to 10 node clusters.
• Migrated legacy production Solaris version 9/10 servers to RHEL version 5.x servers running on IBM HS22v hardware.
• Migrated application and database from Solaris both standalone and cluster platform servers to Red Hat Linux clusters.
• Extensive support of multiple mission-critical virtual environments that include VMware vSphere v4 and Xen technologies.
• Assign and configure oracle ASM storage disks on RHEL 5.x Oracle RAC clusters.

Confidential

Sr. Unix Systems Administrator

Responsibilities:

• Assisted engineering team in building the GSK IT infrastructure for the east coast of the US and builds in Germany and UK.
• Infrastructure consisted of IBM pseries hardware with AIX 5L and virtualization that included LPARs and VIO servers with HMC console.
• Designed and installed RHEL version 5.x on low level servers that ran on IBM LS20 hardware.
• Installed, configured and support AIX 5.x using NIM mksysb install methods.

Confidential, Wilmington, DE

Sr. Unix Systems Security Administrator

Responsibilities:

• Administered AIX and Linux (RHEL5) server platforms across all Barclays US/UK credit card division environments.
• Migrated and decommissioned the majority of all Solaris 5.9/5.10 servers across legacy environment.
• Supported and managed roughly over 850 internal users and thousands across US/UK.
• Performed IBM P5 and P6 frame microcode updates and HMC updates.
• Migrated NetApp NAS to Celera NAS NFS file systems on AIX/LINUX/Solaris servers.
• Support large NIS environment consisting of AIX/LINUX/Solaris NIS Master, Slaves and Clients.
• Configured storage disks from VIO servers to AIX client LPARs.
• Configured ILO-2, DRAC5 remote management utilities on HP and DELL.

Confidential, Berlin, NJ

Sr. Red Hat Linux Systems Engineer/Sr. EMC SAN Administrator

Responsibilities:

• Responsible for all Red Hat Linux and IBM AIX systems enterprise wide for all store branches and main warehouse.
• Cisco MDS VSAN switch administrator responsible for 2 fabrics which contains a total of 4 separate Cisco switches.
• Setup Tivoli TSM v5.5 as the primary backup solution to Symmetrix hyper devices and then migrated to a TS3200 tape library.
• Responsible for zoning all hosts and backend storage area networks using Cisco MDS switches.
• Evaluated, purchased, configured from scratch and administrated EMC Clariion CX500 SAN with over 9 TB storage over a 2 GB/s switched fiber network.

Confidential, Washington, PA

Sr. AIX Systems Administrator/Middleware Specialist

Responsibilities:

• Senior AIX and Linux administrator in charge of installation, configuration and support for models ranging from RS/6000 p620 to p570.
• Manages all AIX and Linux operating systems running on pSeries servers and Intel based servers.
• Implemented Tivoli Storage Manager (TSM) backup/archive solution which utilized two primary disk storage pools and a tape library copy storage pool for disaster recovery.
• Performs shell scripting as needed to support integration and automation.
• Customizes AIX and Linux LPAR partitions to support server consolidation and virtualization.

Confidential

Sr. Hosted Systems Specialist

Responsibilities:

• Administered and supported AIX, Solaris, Linux and Windows servers enterprise wide.
• Managed all phases of UNIX systems rollout from ordering to implementation.
• Maintained Apache and IBM HTTP Servers (IHS) that load balanced requests to middle tier application servers.
• Responsible for administering all EMC Clariion disk array’s enterprise wide.
• Provided 24x7 on call support for all internal and hosted customer servers which are located at the SunGard Availability Services hosting site.
• Built out customer environments from ground up through planning, designing and implementation.

Confidential

Linux Administrator/Software Implementation Consultant

Responsibilities:

• Responsible for post sales implementation, support, and deployment of J2EE software onto Linux, Solaris and Windows enterprise servers.
• Provided administration and support to Red Hat Enterprise Linux and Solaris 5.9 systems on a 24x7 basis.
• Developed backup and recovery procedures including off-site backups, administration and installation of Veritas Netbackup servers, and tuning and maintenance of tape devices and libraries.
• Administered server side applications that ran on WebSphere and JBoss middleware.

Confidential, Philadelphia, PA

Systems Administrator

Responsibilities:

• Administered and managed all departmental UNIX and Windows Systems.
• Provided system-level support to Oracle DBA’s and on occasion responsible for the installation and configuration of Oracle clients.
• Deployed production-side applications and provided OS level administration and support to Windows 2003 servers and AIX 5L servers.

Confidential, Philadelphia, PA

Systems Engineer Consultant

Responsibilities:

• Member of a 6 team Junior System Administration group which provided tier 2 support to Linux and AIX operating systems.
• Provided basic OS layer patches and updates to AIX 5L and Linux servers.
• Responsible for basic system administration of the internal Windows Server 2000 systems.