Requisition ID: R10000230 Category: Information Technology Location: Linthicum - MD, United States of America Citizenship Required: United States Citizenship Clearance Type: Secret Telecommute: No- Teleworking not available for this position Shift: 1st Shift (United States of America) Travel Required: No At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Enterprise Services is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical professionals in the Linthicum, MD area. Essential Functions : Perform duties as a Linux Systems Administrator for a classified government contract supporting both bare-metal and virtual machines. Manage and maintain secure, minimally-interrupted operations of Linux servers and workstations. Install, harden, and patch Linux operating systems. Perform some Windows Systems Administration duties as required. 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 or 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. Travel to customer locations or other Northrop Grumman facilities to deploy, test and/or troubleshoot computer systems. Coordinate plans of action & activities with peer administrators, security teams, other Northrop employees, and customer representatives. ESCSO ESLinux/Windows ESBaltimore ESSysAdmin Basic Qualifications: Associate's degree and 7 years of experience, or Bachelor's degree and 5 years of experience, or Master's degree and 3 years of experience. 9 years of experience may be considered in lieu of degree. Current Security + CE or ability to obtain within 6 months of hire date. Active Secret clearance. Ability to maintain an active Secret clearance. Ability to be cleared to special access programs. Ability to lift equipment weighing up to 40 pounds. Ability to work after hours and weekends as needed. Experience managing Redhat Linux server environment. Preferred Qualifications: Bachelor's or Master's degree in an IS related field. Experience administering systems in NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, and/or JSIG environments. Currently active Top Secret/SCI clearance. DoD 8570 Certification in a primary OS (Windows, Linux, Cisco). Experience administering Windows Server 2012/2016 & Windows 10 clients. Experience managing Windows client/server domains/forests, including DNS, DHCP, and certificates (CA). Experience managing Active Directory components & Group Policy Objects (GPOs). Microsoft Certified Systems Administrator / Engineer certification(s). Experience managing Redhat Linux server environment. Redhat System Administration certification(s). Experience with implementation, configuration, and/or administration of Redhat Satellite Server (v5 and/or v6). Experience building custom "RPM" software packages for Redhat platforms. Solid understanding of basic networking, including subnets, routing, and VLANs. Cisco hardware experience; Cisco certification. Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher ; CDOT). Solid understanding of remediating security vulnerabilities; harden Windows and/or Redhat systems per RMF and STIGs. Experience with environment monitoring tools (HBSS, Solarwinds, Splunk, IDS/IPS). Experience with the Certification & Accreditation process. Solid writing skills; use of Wiki pages and Sharepoint sites for central documentation management. Salary Range: 87800 - 131600 Employees may be eligible for a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The health and safety of our employees and their families is a top priority. With the continuing impacts of COVID-19 around the world, we are taking action to protect the health and well-being of our colleagues and maintain the safety of the communities where we operate. As a federal contractor, and consistent with Executive Order 14042 (https://www.saferfederalworkforce.gov/contractors/) we will require all newly hired employees in the United States to be fully vaccinated by January 18, 2022 or by your start date if it is after January 18th. Federal guidance allows for disability/medical and religious accommodations with respect to the vaccine requirement. Any requested accommodations must be reviewed and approved (if applicable) in advance of your start date. 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 US Citizenship is required for most positions.