Senior Linux

Found in: Dice One Red US C2 - 1 week ago


Aurora, United States Associates Systems LLC Full time

All Qualified Resumes Responded to in 24 Hrs or Less Active TS/SCI/w Poly and DODI 8570.1-M IAT Level I Certification Required Duties and responsibilities include: * Support project design reviews, cost trade-off analyses, team meetings, program and customer meetings as needed. * Develop and deliver configuration and deployment automation required for improving the functionality, availability, and manageability of platform and associated service. * Perform software application maintenance and OS maintenance on a diverse network of physical and virtual servers. * Operating systems to include Windows Server, Red Hat Linux/CentOS, and VMWare. * Perform routine and preventative maintenance such as general computer tasks, application loads, storage management, system loading and system monitoring * Detect, isolate, document, quickly report, and resolve system outages or problems utilizing program processes and procedures. * These activities include collecting diagnostic data, restoring the system operation, developing workarounds, and other activities necessary for recovery of a system * Document problems in logging and discrepancy reporting tools per customer requirements. * Perform system monitoring, analyzing and documenting of performance and conducting trend analysis as required. * Implement and maintain compliance of Information Security and Assurance policies * Apply security hardening settings and work with our Information Assurance partners to maintain compliance with standards * Administer backups and diagnose backup errors * Partner with application/project/security teams and vendors to plan, design, and implement new IT infrastructure * Create and maintain technical and detailed design documentation Required Skills: Candidate shall have a minimum of six (6) years of experience to include: * Performing Linux systems administration with Red Hat Enterprise Linux/CentOS or SuSE Linux Enterprise * System maintenance activities such as user administration, system network management, patching, name resolution, authentication, daemon, init, and cron management * System backup and restore with tools such as NetVault, Backup Exec, and Clonezilla * Experience with system deployment and configuration management tools such as Kickstart, Altiris, and Puppet * Experience with VMware Virtual Center Server and vSphere * Linux integration with Windows-based systems * System design, installation and configuration * System security controls implementation * Vulnerability Assessment (testing, assessment, mitigation/justification) * Experience with compliance and implementation of Information Security and Assurance policies (i.e., ICD-503) * Troubleshoot issues using built-in operating system functionality and system logs * Documentation including discrepancy reports, system configuration, test documentation, and user guides * Demonstrated experience creating, implementing, and maintaining scripts for process automation, infrastructure monitoring, and proactive reporting * Demonstrated experience in all aspects of managing a Unix/Linux environment including the use of configuration management tools like Puppet and Chef for centralized management and configuration of systems to enforce security controls * Must be able to provide occasional off hour call in support Desired Skills: * Experience in a DevOps role and environment * Experience managing modern Windows systems and Active Directory * Software release management and tools such as Subversion and Vagrant * Virtualization such as Vsphere and KVM * Familiarity with Host-Based Security System (HBSS) suite of software applications (McAfee) * Network monitoring systems such as What's Up Gold and Nagios * Object Request Brokers such as CORBA and RPC * Public Key Infrastructure * Experience and technical knowledge of satellite ground systems including hardware, software, and network architecture #CJ


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