Sr. Linux System Administrator Job Description:An ideal candidate should be comfortable working in a fast-paced environment, fueled primarily by 5 hour energy and protein powder.A' As part of the application process, please submit your favorite meme.A' Responsibilities:A' Work independently and as part of a team, performing high-level systems analysis, evaluation, design, integration, documentation, and implementation of complex Linux Debian supporting applications that require a thorough knowledge of administrative and technical skillsPerforms all duties of Linux Debian administration including installation, configuration, securing, performance tuning, and troubleshootingDevelop/modify Ansible, Terraform, and shell scripts used in automating administration functions such as backups, patching, and auditing for SCCM serversDevelop/build new secure VM images; experience with Proxmox, VMWARE, CitrixManage alerting systems such as NagiosApply higher-level business or technical principles and methods to very difficult technical problems to arrive at an engineering solutionAbility to prioritize, assess risk, organize and execute quickly and efficiently in a dynamic environment with ever-changing and competing demandsExcellent written and oral communication skills, interpersonal, organizational and time management skillsDetail-oriented and able to work independently in an unstructured and fast-paced environmentProven ability to pick up issues quickly, to articulate complex matters clearlyStrong project planning, problem-solving, and analytical skillsApply critical thinking and communication skills to assist internal and external staff while addressing project needs and system requirementsServe as a project liaison for internal staff and coordinate support activities with project teamsTroubleshoot issues involving hybrid OS environments hosting systems, services, and protocolsAssist with the collection of customer requirements for design and implementation of new lab services and capabilitiesApply security best practices to assure Confidentiality, Integrity and Availability of dataPerform system and application vulnerability scans and mitigate findingsContribute and edit system security, administrative, and management documentationA' Required Qualifications:Network+ certification, in addition to one of the following certifications, would be highly desired (A+, Security+, Linux+, Server+, Cloud+, CISSP); additionally,A' 8+ years' experience as a Unix System Administrator - Operational experience with Linux DebianExperience with Windows system administrationExperience in development of Ansible, Terraform and Shell scriptsExperience with LAN/WAN networkingExperience with software development lifecycles and frameworksExperience with virtualization and cloud technologiesExperience with Nessus Security ScanningExperience documenting system processes for Unix environmentsExperience with Linux Debian Satellite Server and ClusteringKnowledge of VMWare and AzureAbility to communicate and convey information (orally and in writing) to a diverse audience, including management, non-technical, and technical staffMinimum Active Secret clearance - current and fully adjudicatedA' Preferred Qualifications:Linux Debian Certified System Administrator or Linux Debian Certified Engineer desiredExperience administering VMware ESXi 6 private cloud instancesKnowledge of FIPS-199, FIPS-200, NIST SP800-53 rev.4, NIST SP800-171, and DISA STIGs are a plusDISA environment hardening experienceDocker/ContainersLinux Centos experienceBMC Remedy experienceComplex korn shell (ksh) scriptingPseries LinuxServices to be Familiar WithA' .A' A' A' A' A' LDAPA' .A' A' A' A' A' SIPA' .A' A' A' A' A' XMPPA' .A' A' A' A' A' Cisco MerakiA' .A' A' A' A' A' Certificate AuthoritiesA' .A' A' A' A' A' VPN ServersA' .A' A' A' A' A' NetworkingA' .A' A' A' A' A' AWSA' This firm is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.A' Job Location(s): Washington, DC Metro AreaA' Security Clearance: Minimum Active Secret clearance - current and fully adjudicatedA' Job Category: Experienced ProfessionalA' City: WashingtonA' State: DCA' Virtual: NoA' Req Type:A' Full-Time