Support our entire enterprise and build the networks, staff the teams, and develop the processes that will keep us defining what's possible. We have opportunities across our enterprise with 90,000 team members throughout the world. The only limit to your growth is your ambition and drive. We want to empower you to bring your best, with resources, support, and talented team members that will launch your career. Northrop Grumman Enterprise Services is currently seeking a well qualified candidate to join it's team in Linthicum MD and perform as a primary Linux Systems Administrator for a large classified government contract. Roles and responsiblities will include butnot be limited to the following: * Ability to communicate effectively at all levels of the organization, with internal and external customers, in written and oral 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; ensure necessary administration tasks are completed; direct 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; 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; 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. This requisition may be filled at a higher grade based on qualifications listed below. ESCSO ESLinux/Windows Qualifications: This requisition may be filled at either a level 3 or a level 4. Basic Qualifications for a Level 3: * Associate's degree with 7 years of experience, or Bachelor's degree with 5 years of experience, or Master's degree with 3 years of experience; a High School diploma or equivalent and 9 years of experience may be considered in lieu of a completed degree. * US citizenship. * Currently active Secret clearance required. * Ability to be cleared to Special Access Programs (SAP/SAR). * Ability to maintain an active clearance. * Experience operating under and managing systems within NISPOM Chapter 8, RMF, STIG, or JSIG information system environments. * Experience installing, configuring, and maintaining computer hardware in a networked environment. * Linux Operating Systems support experience. * Linux Workstation and Server management experience. * Currently valid Security+ CE, CASP, CISSP or similar security certification. * Ability to lift equipment weighing up to 40 pounds. * Ability to work after hours and weekends as needed. * Travel may be required. Basic Qualifications for a Level 4: * Associate's degree and 11 years of experience, or Bachelor's degree and 9 years of experience, or a Master's degree and 7 years of experience, or a High School diploma or equivalent and 13 years of experience in lieu of a completed degree. * US citizenship. * Currently active Secret clearance required. * Ability to be cleared to Special Access Programs (SAP/SAR). * Ability to maintain an active clearance. * Experience operating under and managing systems within NISPOM Chapter 8, RMF, STIG, or JSIG information system environments. * Experience installing, configuring, and maintaining computer hardware in a networked environment. * Linux Operating Systems support experience. * Linux Workstation and Server management experience. * Currently valid Security+ CE, CASP, CISSP or similar security certification. * Ability to lift equipment weighing up to 40 pounds. * Ability to work after hours and weekends as needed. * Travel may be required. Preferred Qualifications: * 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. * Red Hat certification for current version. * VMWare experience with current version. * Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk). * Rudimentary Scripting experience. * Experience with creation and deployment of system images in an enterprise environment. * Experience with Certification & Accreditation process. * DoD 8570 Certification in a primary OS (Windows, Linux, Cisco). Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit www.northropgrumman.com/EEO. US Citizenship is required for most positions.PandoLogic. Keywords: System Administrator, Location: Severn, MD - 21144