Eric Obeng Email and Phone Number
• Installation and Management of Linux system (RHEL/CentOS). Performed automated installations with a Kickstart file.• Configured and managed Linux Servers (SMTP, NTP)• Built, implemented and maintained system-level software packages such as OS, disk, file management, backup, web applications, DNS, and LDAP.• Configured and maintained FTP, DNS, NFS and DHCP servers• Configured and provided daily support of Apache Web Server to the Application Team• RPM and YUM package installations, patching and other server management.• Implemented Firewall rules for new servers to enable communication with applications. Such as opening up ports for NFS, DNS, FTP etc.• Experience working with Virtualization technologies such as installing, configuring and administering VMware ESXi 5.0/5.5/6.0+• Implemented hardware RAID 0, 1, 5, and 10• Experienced with various file systems such as XFS, EXT4, and NFS etc• Batch scheduling, batch scripting, nightly backups and network troubleshooting.• Configured and maintained Master, Slave, Cache and forwarder DNS servers• Configured volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM)• Worked with 200+ servers- physical and virtual Linux • Configured server network settings including NIC/Channel bonding.• Analyzed rotated logs and monitored live events to isolate critical issues and troubleshoot.• Created/updated iptable rules on Linux systems using host-based firewall.• Experienced migrating physical servers to virtual machines on VMware by utilizing a propriety software to ensure no data loss occurs.• Installation and Management of Linux systems: RHEL servers, VMware ESXi servers.• Provisioning of servers using AWS platform: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.• 24x7 support for the LINUX servers.• Installed and Configured DNS, DHCP, NFS, NIS, http, tuft and other network services.Technical Skills SummaryUNIX | Linux | RHEL 7, 8 & 9 | Performance Tuning | Shell Scripting | Kickstart | HTTD | LDAP | TCP/IP|DNS | NFS | SAMBA | MariaDB | VMware ESXI | LVM• Build, Install, configure virtual and physical servers, test RHEL 7, 8, 9 Centos 7, 8 servers to the network• Configuring and managing network services such as DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), and VPN (Virtual Private Network) to ensure reliable network connectivity and services.Cell No : 5713651251
Kaiser Permanente
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Network Engineer | System EngineerKaiser PermanenteRichmond, Va, Us
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Linux System AdministratorKaiser Permanente Aug 2017 - PresentVirginia, United States• Installed, configured, and administered Alma 8, RedHat 6, 7, and 8, Solaris, Rocky Linux, and Ubuntu 2800 servers in VMware vCenter and VMware ESXi.• Managed Active Directory services, including user accounts, groups, permissions, Group Policy Objects (GPOs), domain controllers, and trust relationships.• Managed network storage.• Documented processes in Confluence (Atlassian).• Mapped network locations and drives.• Built and deployed Linux servers and applications on demand using Ansible and Kickstart.• Designed and implemented systems on cloud and virtualization tools from on-premises using image builder, migration, and provisioning.• Created and maintained Bash scripts to automate repetitive tasks.• Utilized AWS CloudWatch for monitoring system activities.• Orchestrated containerized applications using Kubernetes to ensure high availability, scalability, and reliability of mission-critical services.• Managed virtualization platforms such as Hyper-V or VMware to create, configure, and maintain virtual machines and virtualized server environments.• Wrote Ansible playbooks.• Configured static IPs on servers.• Promoted servers to domain controllers.• Performed hard disk partitioning and volume extension.• Created and shared network drives to locations.• Provisioned and bound Linux laptops to company domains.• Experienced with IT ServiceNow ticketing system and GitLab version control for team collaboration.• Used Red Hat Satellite to manage servers and workstations.• Experienced with CI/CD pipelines.• Utilized Nagios log server for monitoring system activities.• Monitored and analyzed compressed log files for system performance and security issues.• Extracted and processed log data to identify patterns, anomalies, and trends.• Troubleshot and resolved issues based on log analysis.• Developed scripts or tools to automate log processing and analysis tasks.• Collaborated with cross-functional teams to investigate and resolve log-related issues.
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Operations Support AdministratorIntersections Feb 2015 - Aug 2017• Deploying, installing, configuring, and maintaining Windows Server operating systems, including setting up roles and features as required by the organization.• Managing Active Directory services, including user accounts, groups, permissions, Group Policy Objects (GPOs), domain controllers, and trust relationships.• Configuring and maintaining file shares, permissions, and printers to ensure efficient and secure data storage and printing capabilities.• Assessing current and future server resource requirements, analyzing usage trends, and recommending upgrades or expansions to ensure scalability and optimal performance.• Diagnosing and resolving technical issues related to server hardware, operating systems, applications, and network connectivity, and providing technical support to end-users and other IT staff.• Maintaining up-to-date documentation of server configurations, procedures, and troubleshooting steps, and providing regular reports on server performance, security, and availability to management.• Configuring and managing network services such as DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), and VPN (Virtual Private Network) to ensure reliable network connectivity and services.• Managing virtualization platforms such as Hyper-V or VMware to create, configure, and maintain virtual machines and virtualized server environments.• Planning, testing, and deploying software updates, security patchesand service packs to ensure servers are up to date and secure against known vulnerabilities.• Implementing and managing backup and disaster recovery solutions to ensure data integrity and business continuity in case of system failures or disasters.• Knowledgeable about change requests, command line interface, SSH key generation, Task Manager-processes and services, hypervisors, MS Teams etc. -
Linux System AdministratorAllied Universal Dec 2012 - Jan 2015United States• Implemented Linux server hardening using iptables and ACLs on Red Hat Linux servers.• Troubleshoot various systems problems such as application-related issues, network-related issues, hardware-related issues etc.• Working knowledge of Active Directory, hardware installation, troubleshooting and navigating window server using command lines.• Working with the security team to modify users' password policies, group policy, UID and GID assignment policies.• Technical understanding of network protocols and services including TCP/IP, DNS, DHCP, SSL/TLS, Firewalls, HTTP.• Experience configuring Grafana and using it as a monitoring tool.• Monitor the performance of the system using top, ss, ps, vmstat, netstat, iostat, and cpuinfo to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic.• Experience in creation and management of user accounts, security, rights, disk space and process monitoring in RedHat Linux.• Configure a PXE boot on BIOS setting in the new Linux laptops.• Experience with Jira software ticketing system -
Cyber Security AnalystCremtech Llc Jun 2010 - Dec 2012United States• Reviewed and evaluated client’s IT systems for the assessment of vulnerabilities and compliance with security requirements.• Performed detailed assessment of the security controls using NIST 800-53A to determine the implementation and effectiveness of the controls on the IT Systems.• Managed all aspects of incoming security scans (Nessus)and information using organization's Plan of Action & Milestone (POA&M).• Performed remote scans using Nessus and credentialed, local scans for deeper, granular analysis of assets in multiple environments.• Ensured strict adherence to business requirements by effectively collaborating and communicating with back-end and front-end development teams during testing stages.• Developed deep visibility into vulnerabilities and valuable context to prioritize remediation by utilizing Nessus to scan Web Application accurately and automatically scans the web applications.• Created vulnerability test scans and compliance policies to run on target system· Ensured that appropriate steps are taken to implement information security requirements for IT throughout their life cycle, from the requirement definition phase through disposal.• Analyzed and updated System Security Plans (SSP), Risk Assessment (RA), Privacy Impact Assessment (PIA), System Security test and Evaluation (ST&E) and the Plan of Action and Milestones (POA&M).• Presented applicable standards overview and documentation requirement to POC.• Monitored Security controls post-authorization to ensure continuous compliance with Security requirements.• Managed and conducted projects involving incident response, computer forensics, malware analysis, and information.
Eric Obeng Education Details
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Computer Science
Frequently Asked Questions about Eric Obeng
What company does Eric Obeng work for?
Eric Obeng works for Kaiser Permanente
What is Eric Obeng's role at the current company?
Eric Obeng's current role is Network Engineer | System Engineer.
What schools did Eric Obeng attend?
Eric Obeng attended Kwame Nkrumah University Of Science And Technology, Kumasi.
Who are Eric Obeng's colleagues?
Eric Obeng's colleagues are Tina Belmonte, Isata M Roberts, Shannon Saevik, Anne Chacon, Marisa Houangvilay, Ella Ratliff, Aranzazu Carbajal.
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Eric Obeng
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Eric Obeng
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ERIC OBENG
Stafford, Va
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