Principal Systems Engineer

Principal Systems Engineer, LinuxMcLean, VA The Program is comprised of Linux (80%), Windows (20%), virtualization, storage, network, HW, and data center engineers that works as a team and offers rewarding opportunities to think outside the box in order to deliver innovative and sustainable IT environments to our customers.The System Administrators work both independently and as a member of an integrated product team supporting a wide variety of basic and complex computing and network configurations and must have proven Linux experience.The on-site system administrator will support the installation, configuration, maintenance, failure analysis and recovery, performance monitoring, data storage management, and security management of the data center environment.The system administrator will have experience in at least one, preferably two, scripting languages (shell, Perl, Powershell, Python, etc.) and shall have proven experience administering Linux operating systems in the conduct of their duties. The right candidate will have proven experience in problem solving.Mandatory Skills:Architecting, deploying, and managing large Linux networked environments including deployment and configurationInstalling, configuring, updating and removing system and application softwareHardening Linux server installationsInstalling, configuring, updating and removing system hardware (servers, workstations, transceivers, network interface cards)Configuring NFS, SAMBA, and SANMonitoring and allocating system resources (CPU, memory, and storage space)Proven experience creating, implementing, and maintaining scripts for process automation, infrastructure monitoring, and proactive reportingAuditing system log files, to include compliance auditsDiagnosing and troubleshooting hardware and software problemsDocumenting hardware and software configurations, maintenance history, and backup historyImplementing up-to-date system policies and proceduresUpdating/patching system operating systemsProven experience in all aspects of managing large Linux environments including the use of configuration management tools like Puppet and Ansible for centralized management and configuration of systems to enforce security controlsAbility to utilize analysis tools to resolve complex network, systems, and application performance problemsResponding to inquiries concerning all aspects of computer and network operationsCreating and managing user/group accounts (ex: Active Directory (AD))Minimum Education & Qualifications:Bachelor's degree in computer science, information systems, engineering, mathematics, or equivalent experience, and four (4) years of relevant experience (see below bullets). Equivalent military training and/or experience in an information technology field will be considered in lieu of a degree. Five (5) years or more of total intelligence community relevant work experience as a system administrator Seven (7) years' experience as a system administratorOptional Skills:Experience with Kubernetes; upgrading Linux systems and transition to new configurations management environments; C2S/UC2S policies and procedures; familiarity with creation of S3/GLACIERS instances and with Rapid7 vulnerability scans and reports.