Principal Linux Systems Administrator jobs in United States
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Northrop Grumman Australia · 6 days ago

Principal Linux Systems Administrator

Northrop Grumman is a leader in technological advancements and is seeking a well-qualified Linux Systems Administrator to join its team in Linthicum, MD. The role involves adhering to security guidelines, providing technical support, managing Linux systems, and ensuring smooth operations across multiple networks.

Defense & Space
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Adhere to strict Information Systems security guidelines in all cases
Provide support onsite, remotely, over the phone, and via email
Analyze internal and external customer requirements to determine appropriate hardware and software requirements for solutions to problems, by means of automated systems
Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format
Create and maintain user and computer accounts and modify file permissions and security access lists in a Microsoft Active Directory environment
Develop and document technical processes and procedures as needed
Direct other team members as necessary
Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions
Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM)
Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, customer, and IT management
Make recommendations to purchase hardware, software, and system components
Perform as a Linux systems administrator for a classified government network and manage all aspects of the growing Linux footprint
Prepare security documentation for input to the Information Assurance (IA) team
Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis
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
Report project status as required for all recurring and non-recurring efforts
Support multiple networks while ensuring necessary administration tasks are completed in a timely manner
Test new releases of products to ensure compatibility and minimize user impact

Qualification

Linux Systems AdministrationRed Hat Enterprise LinuxSecurity CertificationMicrosoft Active DirectoryTroubleshooting SkillsScripting PythonScripting BashCommunication SkillsTeam LeadershipProblem-Solving Skills

Required

Associate's degree and 7 years of relevant experience, or a Bachelor's degree and 5 years of relevant experience, or a Master's degree and 3 years of relevant experience; a High School diploma or equivalent with 9 years of relevant experience may be considered in lieu of a completed degree
Applicants must have an active DoD Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment
The selected candidate will be required to obtain and maintain a Special Access Program (SAP/SAR) clearance as a condition of continued employment
Current Security+ CE, CISSP, CASP, or similar DoD 8570 or 8140 compliant security certification, or the ability to acquire certification within 6 months of hire date; maintaining the required certification will be a condition of continued employment
Experience managing Red Hat Enterprise Linux (RHEL) systems in an Active Directory domain environment
Proven ability to work under minimal direction and independently determine and develop approach to solutions
Must demonstrate strong troubleshooting and problem-solving skills

Preferred

Bachelor's or Master's degree in IS related field
An active or current DoD Top Secret security clearance
Current Security+ CE, CISSP, CASP, or similar DoD 8570 or 8140 compliant security certification
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Experience installing, configuring, and maintaining computer hardware in a networked environment
Experience deploying and managing Windows Server operating systems
Experience administering a Microsoft Active Directory domain environment
Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification a plus
Working knowledge of enterprise backup and restore solutions, storage area network (SAN), and network attached storage (NAS) systems
Strong Linux Operating System experience and/or certification for current versions (specifically Red Hat Enterprise Linux)
Experience deploying and administering a Red Hat Satellite server
Experience deploying and administering VMWare Virtualization infrastructures
Knowledge of environmental monitoring tools (ie., HBSS/Solar Winds/Splunk)
Scripting experience, using tools such as Python, Perl, Bash, PowerShell, etc
Experience with DevOps architecture such as Kubernetes, Nexus, Harbor, Docker, GitLab, etc
Experience with the creation and deployment of system images in an enterprise environment
Experience with Systems Certification & Accreditation process (under DCSA's STIG and/or JSIG requirements)
Experience with high-powered computing (HPC) systems

Benefits

Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business
401k matching program

Company

Northrop Grumman Australia

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Northrop Grumman Australia is the Australia-based arm of Northrop Grumman Corporation and committed to generating long-term prosperity, investing in advanced Research & Development, sovereign and exportable Intellectual Property, high-quality jobs and long-term technology leadership across the Commonwealth.

Funding

Current Stage
Late Stage
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