Staff Linux Systems Administrator - TS/SCI

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. 

The Northrop Grumman CIDO Classified Solutions team is seeking a Staff Computer Systems Analyst – Linux Systems Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Redondo Beach, CA location. 

The responsibilities of this role include, but are not limited to, the following: 

• Perform as a lead Staff Computer Systems Analyst - Linux in support of classified government contracts. 

• Lead the development and governance of enterprise-wide Linux architecture for classified contracts, establishing technical direction, standards, and roadmaps across multiple programs, with expert administration of modern Linux distributions 

• Architect the design, implementation, and continuous improvement of backup, disaster recovery, and high-availability solutions for mission-critical Linux systems, leveraging advanced virtualization and containerization technologies. 

• Oversee administration and support of multiple networks, ensuring completion of essential tasks, providing guidance to technical teams, and applying strong networking expertise. 

• Direct large-scale system enhancement projects, from requirements analysis through design, procurement, deployment, and post-implementation validation, utilizing scripting and automation to optimize performance and reliability. 

• Develop and enforce policies for user and computer account management, file permissions, and enterprise-wide identity and access controls, ensuring cross-platform operations. 

• Author, maintain, and enhance technical SOPs, standards, and best-practice guides for Linux environments, integrating monitoring and security tools. 

• Provide regular project status updates for recurring and non-recurring efforts. 

• Operate independently, resolving complex and ambiguous technical challenges. 

• Provide strategic mentorship and technical leadership to junior, mid-level, and senior team members, cultivating a high-performance culture and advancing organizational expertise across the enterprise. 

• Lifts and moves equipment up to 50 pounds.  

• Work after hours, and weekends, as needed. 

Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site. 

Basic Qualifications: 

• Master's Degree with 10 years of IT experience; OR a Bachelor's Degree with 12 years of IT experience; OR an Associate's Degree with 14 years of IT experience is required

• Linux Operating Systems, server and workstation management experience in a classified environment 

• Operating System Cross-platform awareness (i.e. two or more: Windows, Linux, Solaris, OSX, UNIX, etc.) 

• Candidates must meet the U.S. Government 8140 certification requirements for a  Staff Computer Systems Analyst  – IAT Level II (examples: Security+ CE, CND, CCNA Security)  

• Candidates must have a current U.S. Government Top Secret level security clearance to include SCI access level eligibility (at a minimum) in order to be considered 

• Candidates must have the ability to obtain, and maintain, a CI-Polygraph as a condition of continued employment

Preferred Qualifications: 

• Master’s degree in Information Technology, and 12 years of Linux

• Server Administration experience in a classified environment  

• Expert administration of modern Linux distributions, including RHEL 8/9, Rocky Linux, etc. across enterprise and classified environments 

• Architect and manage advanced virtualization solutions using platforms such as VMware vSphere/ESXi, Citrix XenServer, and KVM/QEMU, ensuring optimal resource utilization and scalability 

• Lead containerization initiatives, leveraging Docker, Docker Compose, and container security tools to enhance application deployment and security posture 

• Designed and orchestrated Kubernetes environments (CNCF Kubernetes, Rancher, Kubernetes Dashboard), driving automation and resilience for mission-critical workloads 

• Integrate and optimize cloud platforms, including Azure CycleCloud, VMware Cloud Foundation, and nerdctl, to support hybrid and multi-cloud strategies 

• Networking expertise in subnets, routing, VLANs, VTCs, and cloud networking to ensure robust and secure connectivity across complex infrastructures 

• Supported enterprise monitoring and security tools, such as Splunk, and SolarWinds, to maintain system integrity and compliance 

• Developed and implemented advanced scripting and automation solutions using Bash, Python, and Ansible to streamline operations and accelerate system enhancements 

• Direct cross-platform operations, ensuring seamless interoperability between Linux, Windows, and UNIX systems in diverse environments 

• Experience with the creation and deployment of system images in an enterprise environment  

• Experience with Assessment & Authorization process 

• Active Top Secret/SCI to include a current CI-Polygraph highly desirable

We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. Come join us!