Linux Systems Administrator

Linux Systems Administrator

Requirements

• Master’s Degree with 0 years of IT experience; OR a Bachelor’s Degree with 2 years of IT experience; OR an Associate’s Degree with 4 years of IT experience; OR a High School Diploma/GED with 6 years of IT experience is required
• Must have a DOD 8570 IAT Level II, or higher, certification (example: Security+ CE); maintaining the required certification will be a condition of continued employment
• Must have Linux Operating Systems support experience
• Linux Workstation and Server management experience is required
• Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
• Must be willing and able to support work both after normal business hours, as well as weekend work, as needed
• Candidates must have a current DOD Top Secret level security clearance, to include SCI access and a recent Polygraph [adjudicated within the last 5 years], in order to be considered

Responsibilities

• Perform as primary Linux Systems Administrator for a classified government contract
• Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format
• Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management
• Support multiple networks while ensuring necessary administration tasks are completed and directing others as necessary
• Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems
• Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management
• Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis
• Create and maintain user and computer accounts and modify file permissions and security access lists
• Test new releases of products to ensure compatibility and minimize user impact
• Develop and document technical processes and procedures as needed
• Make recommendations to purchase hardware, software, and system components
• Interact, meet, discuss, and troubleshoot issues with vendors, and evaluate vendor products, services, and suggestions
• Adhere to strict Information Systems security guidelines in all cases
• Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM)
• Prepare security documentation for input to Computer Security
• Report project status as required for all recurring and non-recurring efforts
• Work under minimal direction and independently determine and develop approach to solutions

Preferred Qualifications

• The ideal candidate will have a Bachelor’s degree in Information Technology, a Security+ CE, a Linux+ or RHCSA, and 3 years of Linux Server Administration experience in a classified environment
• Experience with the AWS platform and tools like Terraform and Cloudwatch
• Familiarity with Kubernetes and managing containers
• Knowledge of DevOps tools such as Jenkins, Git, and Grafana
• Experience with the Atlassian tool suite, including Jira, Confluence, and Bitbucket
• Proficiency in shell scripting using languages like bash and PowerShell
• Experience with Linux automation tools like Ansible and Puppet
• Ability to use IT tools for managing and troubleshooting complex computer networks
• Familiarity with customizing, optimizing, and troubleshooting enterprise-level Linux applications
• Understanding of implementing and maintaining security controls in line with DoD security frameworks
• Familiarity with Tenable cloud-based security scanning software
• Basic knowledge of RMF cybersecurity principles
• General understanding of networking protocols and subnetting
• Have maintained smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, project managers, end users, and customer and IT management
• Monitor and recommend system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management
• Work independently or with engineers to troubleshoot and develop approach to solutions
• Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification
• Windows server management experience
• Windows AD, LDAP, VMWare, and knowledge of SAN storage systems
• VMWare experience with current version
• Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk)
• Rudimentary Scripting experience
• Experience with the creation and deployment of system images in an enterprise environment
• Experience with Certification & Accreditation process