Senior Linux & Windows Administrator with Security Clearance

Associates Systems LLC

2024-05-07 13:58:33

Aurora, Colorado, United States

Job type: fulltime

Job industry: I.T. & Communications

Job description

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