System Engineer Systems

AUSTIN OLUWAJUYITE

Owings Mills, MD *****

443-***-**** - ***********.******@*****.***

PROFESSIONAL SUMMARY

Dedicated system engineer with extensive six years' experience designing, implementing, and optimizing complex IT infrastructures. Proven track record of managing projects from conception to completion, ensuring seamless integration and high performance. Adept at troubleshooting and problem-solving, with a strong ability to collaborate with cross-functional team and stakeholders. Proficient in various operating system, virtualization technologies and network protocols. Committed to delivering innovative solutions that enhance operational efficiency and reliability. SKILLS

System security, monitoring patching

and Live upgrade.

Yum repository management and

maintenance.

Manage firewall on Linux 6, 7, 8, and

9 base systems.

Manage DNS server for enterprise

environment with change mitigation.

Create LVM, Exsi, and VCenter.

Change Request Management

(Pac2000, Service Now, Remedy, Jira,

Rally).

Identity application, hardware/OS

problem.

Create and Manage Virtual machines

on Esxi and VCenter.

Password-less SSH and Kickstart

expertise.

Syslog, Windows Server STIGs,

Building ISOs, Export VMs on ESXi.

Patching systems, network

configurations and network

troubleshooting.

Expertise in patching and scanning

systems.

Multifactor Authentication installation.

Log management, directory

collaboration, manage Firewalld,

Chronyd, NFS (Network File System),

ACL (Access Control List), LDAP,

and SCP, SFTP services on Red hat

and CentOS based system.

Nagios system monitoring, security

checks – Scap-Workbench expertise

WORK HISTORY

03/2021 to Current Systems Engineer

Git-gotech Technology – Baltimore, MD

Responsible for ensuring stability, integrity and efficient operation of the production infrastructure server components.

Hands-on administration of Linux/Unix systems.

Design of secure, robust, flexible and scalable systems Design, configure and build secured systems, applying STIGs to Windows and Linux systems.

Maintain an overall vision and direction for the infrastructure. Work in a team on global networking infrastructure. Managed patching on RedHat 6, 7, 8, 9 Oracle 7, Solaris 10 servers. Oversee the design and architecture of company's appliance-based products. Oversee change management and configuration management of the Production environments.

Analyze the requirements, design, and implement an effective system monitoring solution in Zabbix and Nagios.

Assure minimum downtime and optimal planning through proactive planning and regular reviews of overall production environment. Develop project implementation documentation including all technical information needed for the successful implementation of a project. Ensure that all components of the infrastructure are well documented and conform to standards.

Strong coordination, organization, teaming, and communication abilities Work individually and in a group setting.

Generate ISO files used for system installation with the appropriate patches. VMware management – set-up, user account, network and datastore management. Work under pressure and time constraints.

Conducted end-user reviews for modified and new systems. Proposed technical feasibility solutions for new system designs and suggested options for performance improvement of technical components Supported system users, educating employees on troubleshooting and problem- solving protocols

Documented system configuration, mapping and processes Conducted end-user reviews for modified and new systems Completed software updates and assessed security patches for optimized computer use

Created system design models and specifications to support system programmers and development teams

02/2019 to 03/2021 Systems Engineer

Encore At Turf Valley – Ellicott City, MD

Install, administer, configure and maintain check-In applications including operating systems and related software.

Actively and consistently support all efforts to simplify and enhance customer experience.

Coordinate with internal departments to review existing integration capabilities, data sources and proposed solution designs for feasibility, cost and functionality. Conduct design sessions with appropriate participation from architects and engineers.

Create detailed design documents and functional specifications for new applications, services and enhancements to existing systems and services. Collaborate to create configuration designs for design and implementation of various environments.

Create work effort estimates for new features and bug fixes for use in prioritization and release.

Management.

Develop core code modules, unit test tools and release notes for enhancements and bug fixes with

the help of ansible, JavaScript and vim editor.

Review new development tools, application frameworks and testing tools for functionality and effectiveness.

Provide 'on call' support to resolve OSS application issues after normal business hours.

Use established change management processes, requiring operational procedures be performed with minimal client impact, (i.e. During the established maintenance window).

Integration of Linux systems into Active Directory environment using SSSD/winbind

Work with database administrators to configure, tune and maintain databases in a variety languages.

Document systems configurations and upgrades.

Design and implement change and control policies and disaster recovery plans; lead troubleshooting efforts to restore functionality in the event of an outage. Monitor and assist in managing applications, device availability, network condition and status, system reliability and performance.

Perform additional duties related to this position as assigned. 04/2018 to 02/2019 System Engineer

Center For Community Balance Inc – Baltimore, MD

Installed, configured, and managed proprietary applications on Unix/Linux servers.

Create and extend physical volumes, volume groups. Resize existing logical volumes for additional

Use Hyper-V to manage memory, CPU, disk size and networking on windows servers.

System performance monitoring and tuning

Troubleshooting network on window servers. Adding peripheral devices on servers as needed.

Run security checks on windows systems. User account management and group collaboration.

Open, track and close trouble tickets as well as input trouble calls into ticket tracking system. (Remedy)

Administered Red Hat Systems managed backups and monitored CPU and Disk Usage.

Use remote tools such as remote desktop, Scap-workbench Utility to analyze and resolve issues in

Monitored Unix/Linux servers load average, iostat, vmstats and general server health.

Perform system monitoring; CPU, memory, I/O, hardware, jobs scheduling and processeManagement.anagement.

Troubleshoot user account issues and network related connectivity issues. Create, managed user/groups, set password, permissions, account expiration, reset user password and administer users account security through monitoring login logs for repeated failed authentication attempts on both Unix/Linux servers. Restrict access to files and directories using Access Control Lists file permissions. Utilize the Vi editor in accessing file contents and securely modifying them to meet special objectives. Also assigns file or directory permission and enables group collaboration.

Apache Virtual Hosting (Vhost), Redhat Openshift

Hardening Red hat Linux 7, 8, 9 server.

Performed administration and monitored job processes Managed patching on RedHat 7, 8, and 9 server using yum. Monitored client disk quotas and general disk space usage. System performance monitoring and tuning. Use RAID as needed.

Introduced new servers to the network. Maintaining and troubleshooting network connectivity.

Develop core code modules, unit test tools and release notes for enhancements and bug fix with the help of ansible, bash script and vim editor. Responsible for installation, configuration of Linux servers using jumpstart and interactive methods with Kubernetes base ideology. Use of Ansible (YAML) playbooks in managing servers remotely. Security hardening and maintenance on various systems including firewall configuration.

Yum repository management and client configuration on various servers. Creating set mounts points and user-mount points.

Restrict access to files and directories using Access Control Lists file permissions. Performed data management using native Linux utilities for archiving and compression.

Configured DNS client on both physical and virtual servers. Assisted employees with resolving network problems at remote locations. Streamlined troubleshooting processes to improve system support and enhance communication between support team and end-users.

Resolved issues and escalated problems with knowledgeable support and quality service.

EDUCATION

05/2017 Bachelor of Science: System Engineering

Coppin State University - Baltimore, MD

TECHNOLOGY

Operating Systems: Unix, RHEL 6,7&8, Oracle Linux 5,6,7& 8, CentOS 6, & 7, Tanium

Authentication Server, MacOS and Windows base systems, Oracle Database 18c. Networking : Network (TCP/IP) Configuration in Linux, Firewall Setup, Troubleshoots,

Network connectivity, System security and monitoring, LDAP, Active Directory Software : VMware ESXi, Hyper-V, VCenter, VSphere Client, VRealize Operation Manager,

Microsoft Office Suite, Jira confluence, Appviewx, AppOne, Splunk, Smarstation 2.0, Autosys, Triage, MS Access Database, Active Directories and Domain Controllers – iLO4

Security Technical Implementation Guide (STIGs), Openscap, RSA Certificate Manager.

Hardware: Hp Proliant 380 G8, Sparc T5120, T5240, T5440, Sparc M3000, M4000, M5000, Sun Fire V880, Dell PowerEdge VRTX, R720, R740, R520, M620 Servers

(iDRAC-

8),

Application Server : Apache Tomcat, Glassfish, Imperva, Nagios, Scap-Workbench, Word-press, Apache Virtual Hosting, GitHub, Gitrepository, rsyslogd, mariadb, Programming Language : Bash Script, Shell Script, Visual Studio code.

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