02 Jan
Principal/Sr. Principal Linux Systems Administrator
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 Linthicum, MD 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.
- Occasional travel to customer sites or other Northrop Grumman sites in support of troubleshooting, testing, and deployment activities.
- Coordinate actions with peer system administrators, network administrators, security teams, software teams, and hardware engineers.
- 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 or equivalent with 9 years of experience may be considered in lieu of a completed Bachelor's degree.
- Currently active DoD Secret security clearance; maintaining the required security clearance will be a condition of continued employment.
- The selected candidate will be required to obtain a Special Access Program (SAP/SAR) clearance within a reasonable period of time as determined by the company and also by customer and/or program requirements; maintaining a SAP/SAR clearance will be 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, and additional contract changes may expedite the 6 month window.
- 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 managing Redhat Linux server environment.
- VMware and ESXi (6.x or higher) configuration and management experience.
- Understanding of remediating security vulnerabilities; experience hardening Red hat systems in accordance with RMF and STIGs.
- Ability to support tier 2 and 3 helpdesk tickets.
- Ability to lift equipment weighing up to 40 pounds.
- Ability to work after hours and weekends as needed.
- Travel may be required.
- 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 or equivalent with 13 years of experience may be considered in lieu of a completed Bachelor's degree.
- Currently active DoD Secret security clearance; maintaining the required security clearance will be a condition of continued employment.
- The selected candidate will be required to obtain a Special Access Program (SAP/SAR) clearance within a reasonable period of time as determined by the company and also by customer and/or program requirements; maintaining a SAP/SAR clearance will be 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, and additional contract changes may expedite the 6 month window.
- 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 managing Redhat Linux server environment.
- VMware and ESXi (6.x or higher) configuration and management experience.
- Understanding of remediating security vulnerabilities; experience hardening Red hat systems in accordance with RMF and STIGs.
- Ability to support tier 2 and 3 helpdesk tickets.
- Ability to lift equipment weighing up to 40 pounds.
- Ability to work after hours and weekends as needed.
- Travel may be required.
- Redhat System Administration certification(s).
- Solid 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.
- Identity Management (Single Sign-On) experience.
- Experience with host-based firewall implementations and configuration (Redhat "iptables").
- Experience building custom "rpm" software packages for Redhat platforms.
- Knowledge of Docker.
- Experience with Cluster technology.
- Windows (7, 10) administration experience; Windows Server 2008/2012 experience; Group Policies(GPOs) experience; Active Directory management experience.
Vacancy expired!