Senior Linux Systems Engineer and Systems Architect

Paul Chineyemba, Senior Platform Engineer

Brooklyn, 11225, 917-***-****, ************@*****.***, LinkedIn, SUMMARY Highly accomplished Senior Systems Engineer with over 20 years of experience in designing, automating, and managing complex Unix/Linux infrastructure and production environments. Proven ability to optimize application efficiency, ensure 24x7 availability, and implement robust disaster recovery strategies. Expertise in Red Hat Linux, Oracle, and scripting languages, coupled with a strong focus on security, compliance, and performance tuning. Eager to leverage extensive experience in infrastructure- as-a-service and systems architecture to drive impactful solutions at Millennium.

WORK EXPERIENCE

Senior Systems Engineer Production Americas, Digital Platforms

- Infrastructure-as-a-Service

BNP PARIBAS

09/2016 – Present New York

Spearheaded the design, lifecycle management, and total cost of ownership for Open Source Puppet, a configuration management tool, across internal and external cloud, clusters, and standalone Unix/Linux servers and related infrastructure services.

Architected and implemented infrastructure optimizations for application efficiency, serving as the primary point of contact for 24x7x365 support in team rotation to ensure continuous availability of hosted applications. Influenced roadmaps and enterprise standards for server hardware and operating systems supporting applications hosted on VCS, OPENSVC clusters, KVMs, and standalone servers.

Leveraged expertise in Red Hat Linux to fulfill mandated CCAR regulatory requirements for server recovery using RedHat ReaR and Cristie with TSM and Netbackup for VM image recovery.

Automated deployments of applications, including Oracle DBMS server implementations, utilizing Ansible automation, Puppet, and shell scripts. Developed and deployed infrastructure hardware, software, and technical components using standard enterprise tools, managing over 5,000 Linux servers (RHEL7, RHEL8, RHEL9).

Collaborated with IT experts, including security and controls specialists, database architects, and application developers, to ensure system configurations aligned with overall IT policies and standards. Configured backup infrastructure using NetBackup and TSM on RHEL, Ubuntu, and Debian VMs within the internal cloud to meet specific requirements.

Provided kernel and network-based systems tuning, interfacing with project sponsoring groups to gather requirements and manage implementation and post-implementation support.

Orchestrated OS system upgrades on RHEL 7/8/8 and Solaris 11/12, successfully executing LivePlay and pre-production site failover tests and disaster recovery drills to meet regulatory compliance. Monitored, evaluated, and resolved hardware and software performance issues utilizing tools such as Dynatrace, Geneos, VMware monitor, Cobbler, Satellite, and Puppet for provisioning and configuration management. Managed obsolescence and vulnerability remediation through Ansible and Puppet automation, migrating and upgrading older RHEL, Ubuntu, and Debian servers to current versions and performing regular automated patching for production and non-production environments. Configured and tuned LVM volumes, demonstrating proficiency in shell scripting (KornShell, Bash, Perl) and adhering to standard system build practices.

Senior Systems Engineer Databases & Applications

AMERICAN INTERNATIONAL GROUP (AIG)

09/2008 – 09/2016 Wilton

Engineered the design, lifecycle management, and total cost of ownership for Oracle RAC database x86 platforms, including Exadata and Sun-ZFS appliances, applications, and infrastructure services. Ensured architectural and operational requirements were met through meticulous design, architecture, and construction activities, providing 24x7x365 support and administration for systems management and monitoring tools.

Influenced roadmaps and established standards for x86 server hardware, operating systems, and related technologies for Oracle DBMS platforms. Enhanced automation of Oracle DBMS server implementation and management using shell scripts and Perl, leveraging expertise in Red Hat Linux and Oracle Linux to automate database refreshes via ZFS snapshot/clone utilities.

Developed and deployed infrastructure hardware, software, and technical components using standard enterprise tools, overseeing more than 2,000 Linux servers (RHEL5, RHEL6, RHEL7).

Partnered with over 10 IT experts, including security and controls specialists, database architects, and developers, to ensure system configurations adhered to overall IT policies and standards.

Configured backup infrastructure using Networker 8 on RHEL VMs, Data Domain, and ZFS to perform required backups of hosted databases. Optimized kernel and network-based systems tuning, interfacing with project sponsoring groups to gather requirements and manage implementation and post-implementation support.

Executed OS system upgrades on Exadata, ZFS, Data Domain, RHEL5/6/7, and Solaris 10/11, and successfully performed disaster recovery for applications.

Diagnosed and resolved hardware and software performance issues using standard tools such as Satellite Server and Blade Logic for provisioning and configuration management.

Configured and tuned LVM volumes, demonstrating proficiency in shell scripting (KornShell, Bash, Perl) and adhering to standard system build practices.

UNIX Systems Administrator

MERRILL LYNCH

05/2000 – 08/2008 New York

Constructed and post-configured Linux, Solaris, and AIX systems for production environments, ensuring security and hardening. Oversaw production-critical software deployments, managing all aspects of testing and evaluation for new products and upgrades in collaboration with architecture, engineering, and security teams.

Investigated, diagnosed, and implemented corrective actions as a subject matter expert, providing analysis and evaluation of business and application/infrastructure server requirements, capacity planning, configuration, high availability (HA), and monitoring. Delivered end-user and developer support, including off-shift and on-call responsibilities.

Designed and implemented business application hosting solutions to meet desired configurations and developed uniform scripts to automate tasks and deployments.

Tuned system software for peak performance and availability, successfully testing and implementing hardware and software upgrades, and working overtime to minimize downtime during changes.

Established and implemented a disaster recovery (DR) strategy for the business applications infrastructure.

Developed comprehensive test plans and procedures for the implementation of new software products and releases.

Debugged and resolved complex issues associated with UNIX/Linux servers in production and test environments.

Monitored, analyzed, and applied maintenance fixes to system software and firmware as required.

Provided technical training to teams of over 10 Information Technology personnel.

Maintained AIX/Linux disaster recovery plans and actively participated in technology and business recovery activities.

Stayed current with technical and operational tools and industry best practices relevant to assigned duties.

EDUCATION

BENDEL STATE UNIVERSITY

bachelor of Engineering, Electrical Engineering

06/1986 – 08/1995 EKPOMA, Nigeria

SKILLS Unix/Linux System Administration Task Automation & Deployment Systems Architecture Network Security & Operations Project Planning, Scheduling &

Management

RHEL Linux

Oracle Linux

Solaris Oraclke ZFS Appliance

Oracle Exadata Data Domain

Networker vBlock vMWare

EMC RecoverPoint

IBM Datastage

Algorithmics Cognos

TM1 Websphere

Guardium Bladelogic

Oracle Weblogic EssBase

LDAP NFS

CIFS SMB

Scripting (Korn, Bourne, Perl) AIX

Chef Hypervisor vMWare OracleVM

Strategic Planning & Execution Operations Management Continuous Process Improvements Quality Assurance

Client Needs Fulfillment Team Building & Leadership

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