Principal Linux/Windows Systems Administrator
Company: Northrop Grumman
Posted on: February 17, 2021
Northrop Grumman Enterprise Services is seeking a well-qualified
Windows/Linux Systems Administrator to join its dynamic team of
technical professionals in the Linthicum, MD area. Roles and
responsibilities will include:
--- Perform primarily as a Linux System Administrator for a
classified government contract.
--- Perform Windows System Administrator duties as required for a
classified government contract.
--- 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
--- 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
--- Make recommendations to purchase hardware, software, and system
--- Interact, meet, discuss, and troubleshoot issues with vendors;
evaluate vendor products, services, and suggestions.
--- Adhere to strict Information Systems security guidelines in all
--- 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
--- Report project status as required for all recurring and
--- 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
--- Coordinate plans of action & activities with peer
administrators, security teams, other Northrop employees, and
--- 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 a
--- Current Security+ CE, CISSP, CASP, or similar certification or
ability to obtain within 6 months of hire.
--- US citizenship.
--- Active DoD Secret clearance.
--- Ability to maintain an active DoD clearance.
--- Ability to lift equipment weighing up to 40 pounds.
--- Ability to work after hours and weekends as needed.
--- Experience managing the Windows Server OS, including the design
of a Windows domain architecture, Active Directory administration,
implmentation of GPOs, creation of operational policies/procedures,
and applying appropriate user permissions.
--- Experience managing the Red Hat Operating System, both
stand-alone workstations as well as networked workstations,
preferrably as part of a Windows domain environment.
--- Experience administering a virtualized server & client
environment using ESXi & VMWare.
--- 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.
--- DoD 8570 Certification in a primary OS (Windows, Linux,
--- Experience administering Windows Server 2012/2016 & Windows 10
--- Experience managing Windows client/server domains/forests,
including DNS, DHCP, and certificates (CA).
--- Experience managing Active Directory components & Group Policy
--- Microsoft Certified Systems Administrator / Engineer
--- Experience managing Redhat Linux server environment.
--- Redhat System Administration certification(s).
--- Implementation, configuration, and/or administration of Redhat
Satellite Server (v5 and/or v6).
--- Experience building custom "RPM" software packages for Redhat
--- 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.
--- VMware and ESXi (6.x or higher) configuration and management
--- Experience with environment monitoring tools (HBSS, Solarwinds,
--- Experience with the Certification & Accreditation process.
--- Solid writing skills; use of Wiki pages and Sharepoint sites
for central documentation management.
--- Currently active Top Secret/SCI clearance.
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. U.S.
Citizenship is required for most positions.PandoLogic.Category:
Technology, Keywords: System Administrator
Keywords: Northrop Grumman, Severn , Principal Linux/Windows Systems Administrator, IT / Software / Systems , Severn, Maryland
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