Linux Systems Administrator 3/4

Linux Systems Administrator 3/4

25 Sep 2024
Virginia, Mclean, 22030 Mclean USA

Linux Systems Administrator 3/4

Vacancy expired!

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 Mclean, VA area. Essential Functions: Perform as a Linux Systems Administrator for a classified government contract. Manage and maintain secure, minimally-interrupted operations of Linux servers and workstations. Support bare-metal and virtual machines. Install, harden, and patch Linux operating systems. Install and rack server hardware and hardware based components. Develop and document technical procedures. Partition disks, create logical volumes, create file systems, and mount file systems in Linux environments. Read, modify, and create shell script and scripts in various other languages. Understand basic LDAP and DNS concepts and be able to query these services for information and troubleshoot issues in Linux environments. Learn new technologies on own and work effectively independently, while still coordinating actions as required. Install and configure COTS software, and perform configuration and maintenance in Linux environments. Interact with and successfully utilize boards-of-approval to maintain required security controls and configuration management. Perform technical research on Information Technology topics, as requested, and produce presentations and recommendations. Coordinate actions with peer systems administrators, network administrators, security teams, software teams, and hardware engineers. Occasional travel to customer sites or other Northrop Grumman sites in support of troubleshooting, testing, and deployment activities. This position may be filled at a Level 3 or a Level 4, depending on the qualifications listed below. Basic Qualifications for Level 3: 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; a High School diploma/GED and 9 years of experience may be considered in lieu of a completed degree. Active Secret security clearance adjudicated within the last 5 years; selected candidate must also have the ability to obtain a Top Secret security clearance within a reasonable period of time as determined by program customer requirements, as a condition of continued employment. Must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment. Currently valid Security+ CE, CASP, CISSP, or similar DOD 8570 security certification; otherwise an ability to obtain certification within 6 months of hire date as a condition of continued employment. Certification must be maintained as a condition of continued employment. Additional contract changes may expedite the 6 month window. Experience managing RedHat Linux server environment. Experience designing RedHat environments. Experience patching RedHat Linux. Experience hardening RedHat Linux to DoD standards. Experience creating kickstart installations. Ability to lift equipment weighing up to 40 pounds. Ability to work after hours and weekends as needed. Basic Qualifications for Level 4: Associate's degree and 11 years of experience, or Bachelor's degree and 9 years of experience, or Master's degree and 7 years of experience; a High School diploma/GED and 13 years of experience may be considered in lieu of a completed degree. Active Secret security clearance adjudicated within the last 5 years; selected candidate must also have the ability to obtain a Top Secret security clearance within a reasonable period of time as determined by program customer requirements, as a condition of continued employment. Must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment. Currently valid Security+ CE, CASP, CISSP, or similar DOD 8570 security certification; otherwise an ability to obtain certification within 6 months of hire date as a condition of continued employment. Certification must be maintained as a condition of continued employment. Additional contract changes may expedite the 6 month window. Experience managing RedHat Linux server environment. Experience designing RedHat environments. Experience patching RedHat Linux. Experience hardening RedHat Linux to DoD standards. Experience creating kickstart installations. • Ability to lift equipment weighing up to 40 pounds. Ability to work after hours and weekends as needed. Preferred Qualifications: Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments. Redhat System Administration certification(s). Understanding of Enterprise-level storage concepts to include all commonly-used RAID-levels. Redhat Satellite Server (version 5 and version 6) configuration and usage experience. Understanding of remediating security vulnerabilities; experience hardening Redhat systems in accordance with RMF and STIGs. Identity Management (Single Sign-On) experience. VMware and ESXi (6.x or higher) configuration and management experience. Experience with host-based firewall implementations and configuration (Redhat "iptables"). Experience building custom "rpm" software packages for Redhat platforms. Windows (7, 10) administration experience; Windows Server 2008/2012 experience; Group Policies(GPOs) experience; Active Directory management experience. DoD 8570 Certification in a primary OS (Windows, Linux, Cisco). 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. 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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.

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