Systems Administrator (Linux) (Senior/SME)

Systems Administrator (Linux) (Senior/SME)

Company Overview

Dutch Ridge Consulting Group, LLC (DRCG) is an ISO 9001:2015, Department of Veterans Affairs (VA) Certified Veteran Enterprise (CVE), Service-Disabled Veteran-Owned Small Business (SDVOSB). DRCG provides technical support staff at ten locations throughout the United States with corporate offices in Beaver, Pennsylvania and Ashburn, Virginia. DRCG offers expertise in Systems Integration (SI), Information Technology (IT) solutioning, Program Management, Risk Management, Business Process Reengineering (BPR), Requirements Engineering, Workflow Solutioning, and Business Consulting Services. Established in 2016, DRCG is 100% US owned, and has over 50 employees (97% hold a Secret clearance or higher). DRCG optimizes client investments by leveraging expertise to better manage the growth and transformation of existing IT environments.

Description

Seeking a highly motivated System Administrator to support a federal customer's goals to modernize and transform their IT environment to efficiently deliver new technologies to their workforce. Will serve as a Senior/SME level System Administrator for unclassified and classified systems.

Candidate should be proficient in Linux and Windows administration.

Technical Proficiency and Expertise

• Operating Systems: RHEL 7.x, 8.x and 9.x
• Hardware: HP ProLiant servers, Dell R810, R710, R610
• Software: Linux file system, MS Office, VMware ESXI 5.x, 6.x, Nutanix Acropolis, Nutanix Prism Element and Central, Apache, Oracle, Azure, AWS
• Servers/Services: NFS, SSH, Telnet, Apache, DNS, Nslookup, Netstat, TCP/IP, Ansible
• VI Editor, VIM, nano,
• Managing user accounts via Active Directory
• Managing Linux with Red Hat Identity Management
• Assisting in patching of Linux Servers
• Installation of Linux Applications on Linux servers
• Assisting in application of systems analysis, techniques, and procedures
• Create and install Linux servers in Nutanix, AWS and Azure
• Deployment of new applications
• Installation and configuration of RedHat Enterprise 7, 8 & 9
• Linux system troubleshooting and system maintenance
• Knowledge Bash scripting
• Conduct Linux server security hardening
• Patching servers using Ansible playbooks on Red Hat Satellite server
• Installed and updated software packages using yum or rpm from Red Hat Network
• Red Hat Package Management (RPM) and YUM package installation and maintenance
• Prepare and provide SOP documents on any new Linux tasks
• Overall management of Redhat Linux Virtual Machines
• Create and Install Redhat Linux VMs via Microsoft Azure and AWS
• Adding data disk drives to Linux VMs
• Research and troubleshooting complex issues on Redhat Linux Servers
• Monthly patching of Dev and Production Linux VMs
• Created swap space, expanding partitions, and extending disk drive for Linux VMs
• Expand CPU's and RAM on Windows 10 servers
• Backup and Restore Virtual Machines as needed
• Interpreting system log files, starting and stopping virtual machines, diagnosing, and correcting file permission
• Managed running systems by identifying CPU/memory intensive processes
• Configured local storage by creating/modifying partitions, logical volumes, and swap nondestructively.
• Assigned physical volumes to volume groups; created/modified logical volumes.
• Set filesystems to mount at boot
• Create, mount, and unmount file systems (ext4, xfs)
• Scheduled tasks using cron and 'at' utilities
• Maintained and troubleshoot network connectivity
• Configured remote access to services through SSH, NFS, and SMB

Requirements

• Active/current Secret Clearance is required at the time of hire
• 7 years of relevant hands-on Systems Administration experience
• Bachelors degree in a related field or relevant work experience
• Senior level experience with Linux and Windows administration
• Relevant certifications
• Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams

Job Location

Merrifield, VA - On-Site