Sr. Principal Linux Systems Administrator

$115,400 - $173,200/Yr

Northrop Grumman - Linthicum Heights, MD

Full-time - Mid Level

Linthicum Heights, MD

Computer and Electronic Product Manufacturing

About the position

The Linux Systems Administrator at Northrop Grumman will be responsible for managing and maintaining Red Hat systems on large, classified government contracts. This role requires effective communication with various stakeholders and the ability to ensure the smooth operation of multi-user computer systems. The position is based in Linthicum, MD, and requires on-site work with no telecommuting options available.

Responsibilities

• Perform as a Linux Systems Administrator on large, classified government contracts.
• Manage Red Hat systems including enterprise Linux servers, workstations, and applications.
• Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format.
• Maintain smooth operation of multi-user computer systems, coordinating 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 and 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 to improve performance and reliability, including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
• Provide backup and recovery services, manage file systems, and disk space, and 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, and 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 Cyber Security team.
• Report project status as required for all recurring and non-recurring efforts.
• Work under minimal direction and independently determine and develop approach to solutions.

Requirements

• Master's Degree with 7 years of IT experience; OR a Bachelor's Degree with 9 years of IT experience; OR an Associate's Degree with 11 years of IT experience; OR a High School Diploma/GED with 13 years of IT experience is required.
• Must have a DOD 8570 IAT Level II, or higher, certification (example: Security+ CE); maintaining the required certification will be a condition of continued employment.
• Must have Linux Operating Systems support experience.
• Linux Workstation and Server management experience is required.
• Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
• Ability to lift equipment weighing up to 40 pounds.
• Ability to work after hours and weekends as needed.
• Candidates must have a current DOD Top Secret / SCI level security clearance, to include a recent Polygraph (adjudicated within the last 5 years).

Nice-to-haves

• The ideal candidate will have a Bachelor's degree in Information Technology, a Security+ CE, a RHCSA, and 10 years of Linux Server Administration experience in a classified environment.
• Experience installing, configuring, and maintaining computer hardware in a networked environment.
• Ability to support and troubleshoot remote nodes.
• Experience scanning, managing, patching, and hardening RedHat Linux servers, identifying and remediating security vulnerabilities according to security guidelines (STIGs).
• Experience with kickstart installations.
• Experience giving technical presentations to technical and non-technical attendees.
• Experience working in an HPC environment.
• Red Hat System Administration certification(s).
• Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher; CDOT).
• Solid understanding of Enterprise-level storage concepts to include all commonly used RAID-levels.
• Red Hat Satellite Server (version 5 and version 6) configuration and usage experience.

Benefits

• Flexible work arrangements
• Phenomenal learning opportunities
• Exposure to a wide variety of projects and customers
• Friendly team environment
• Exceptional benefits/healthcare
• 9/80 work schedule
• Great 401k matching program
• Paid time off (PTO) for vacation and/or personal business
• Company paid holidays