James Paen Active Ts/Sci, Linux➕ Ce, Sec➕ Ce, Rhcsa, Aws Cda Email & Phone Number

Ellicott City, Md, Us

Keller, Texas, Us

Washington, Dc, Us

• Good knowledge of LVM and disk partitioning. Upgrading and assigning disk/storage as needed.• Creating scheduled jobs using crontab and run scripts if necessary.• Experienced in installing and configuring Linux OS using PXE method.• Good knowledge of working in both locked down and open environment.• I perform a scheduled Server Patching to avoid any security vulnerabilities and also update the software.• I work and manage bunch of packages through a Redhat Satellite.• Knowledge of installing and configuring Applications e.g NFS, Apache, etc.• Great knowledge in working with DevOps tools e.g puppet/foreman for configuration.• Knowledge in using LDAP for Central Users’ Account Management• A good knowledge of Failovers and Clusters• Comfortable with the use of Check-MK and Big Brothers for monitoring servers• Perfomed daily work on VMs and their Hosts; vCenters, Esxi 5.5, 6.0 and 6.5.• I support Tiers 1-3 support as needed.• I support more than 6,000 virtual machines, 200+ physical machines and 400+ workstations.• Experienced in virtual machine configuration/administration through VMware• Experienced with RedHat Enterprise Linux (RHEL) versions 5,6 &7• I support a large storage area network through NetAPP• Experienced with Puppet/scripting for automation and finding duplicate file versions• I work full time on Operational tickets.• I support operations as on call person.• I have a good knowledge in network troubleshooting e.g dns, iptables, routing issues• I create cleanup script and logrotate to solve the issue of disk space being filled up quickly on servers.• I do provisioning of machines(Physical and VMs) using Foreman.• Experienced with configuration/Containerization tools (Puppet, Ansible)• Experienced working with GitLab Enterprise• Acquired a good writing skill for documentation• Follow organizational change processes• Create troubleshooting documentation

Pierre, Sd, Us

• Work with the development team to manage cloud services• Set up and Support deployments of customs mobile applications and new user hardware.• Update and upgrade web servers like (Apache, Nginx, Passenger)• Manage multi-platform Database Management system (DBMS) (SQL, ORACLE, MYSQL, etc.)• Use Ansible to patch systems and install applications• Install and update packages using YUM and Red Hat Satellite• Maintain security certification and accreditation package for federally owned systems• Plan, monitor, and optimize IT infrastructure to maintain high utilization and capacity• Managing tickets via the ticketing request system, JIRA

• Administration of a network of Servers • Install and configure Red Hat Enterprise Linux Servers in both Physical and Virtual Environments.• Deploy Virtual servers using templates and kick-start files.• Use VMware VSPHERE virtualization infrastructure• Install and update packages using YUM and Red Hat Satellite• OS patches and updates• Swap space management• Automate existing and new procedures with bash scripting • Create specific File Systems for middleware developers and database teams (LVM)• Support for high availability applications• Add new development user accounts, removing users, resetting user accounts in RHEL to allow new developers’ access to Red Hat Servers. • Manage LDAP users• Troubleshoot services and applications through root cause analysis (DNS, LDAP, SSH, FTP, HTTP)• Manage firewall rules for new servers to enable communication & security using IPTABLES• Monitor and control disk space usage• Remedy for ticket based IT Service Management SoftwarePROFESSIONAL STRENGHT AND SKILLS_____________________________________________• US Citizen with Active Public Trust Clearance• Well-versed in applicable local state and federal laws• Over 3 years of experience specialized in Linux System Administration• Operating Systems Red Hat Linux Enterprise 6-7, CentOS, • Virtualization VMWare (VSphere), RHEVM, Oracle VM• Storage/Installation LVM, kick-start, • Web/Mail/Identity Management Apache, Tomcat, Postfix, LDAP, OPENLDAP, FREEIPA• Networking SSH, DNS, NFS, DHCP, FTP, Iptables• Scripting BASH• Configuration Management Monitoring ToolsBig Brother, Foreman, Puppet and AnsibleKnowledge of Splunk and Amazon Web Services• Hardware Rack Servers, Blade Servers, Dell Power Edge Series