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 Sr. Principal Computer Systems Analyst - Linux to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Linthicum, Maryland location - please note that this is not a remote work opportunity.
The responsibilities of this role will include but not be limited to the following:
Perform as a lead Sr. Principal Computer Systems Analyst - Linux in support of classified government contracts.
Communicate effectively with all organizational levels, internal/external customers, vendors, and senior leadership, both verbally and in writing.
Oversee operations and administration of multi-user computer systems and multiple networks, coordinating with IT teams, project managers, and end users.
Analyze requirements, recommend and implement hardware/software solutions, and interact with vendors to evaluate and troubleshoot products and services.
Define, implement, and maintain enterprise-wide system enhancements including installation, upgrades/patches, monitoring, configuration management, and problem resolution.
Design and develop backup strategies to include backup and disaster recovery frameworks for critical systems.
Establish and enforce procedures for account management, file permissions, and security access.
Lead testing, validation, and change management for major product releases across platforms.
Develop, publish, and continuously improve technical standards and SOPs.
Ensure compliance with Information Systems security guidelines; prepare and maintain security documentation, audit logs, and Assessment & Authorization (A&A) submissions; serve as senior liaison to the ISSM.
Report on strategic initiatives and project status to executive stakeholders; act as a key technical advisor impacting enterprise-wide, mission-critical systems.
Acts as a key technical advisor to senior leadership and impact multiple programs and mission‑critical systems across the enterprise.
Provide senior-level technical expertise by mentoring junior and experienced team members, fostering their professional growth and enhancing team capabilities.
Lift and move equipment weighing 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, full-time at our Linthicum, MD campus.
Basic Qualifications:
Master's degree with 6 years of IT experience, or a Bachelor's degree with 8 years of IT experience, or an Associate's degree with 10 years of IT experience; a High School Diploma/GED with 12 years of IT experience may be considered in lieu of a completed degree.
Candidates must have a current U.S. Government Secret security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the U.S. Government Continuous Evaluation (CE) Program to be considered; the required security clearance must be maintained as a condition of continued employment.
Candidates must have the ability to obtain and maintain access to Special Access Programs as a condition of continued employment.
Linux Operating Systems workstation and server management support 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 requirements for a Sr. Computer Systems Analyst - current Security+ CE or similar certification; the required certification must be maintained as a condition of continued employment.
Preferred Qualifications:
Bachelor's degree in Information Technology and 10 years of Linux Server Administration experience in a classified environment.
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
Experience administering modern Linux distributions (RHEL 8/9, Rocky Linux, etc.).
Proficiency with virtualization platforms (VMware vSphere/ESXi, Citrix XenServer, KVM/QEMU, etc.).
Advanced containerization skills (Docker, Docker Compose, etc.) and container security tools.
Kubernetes orchestration (CNCF Kubernetes, Rancher, Kubernetes Dashboard, etc.).
Cloud platform integration (Azure CycleCloud, VMware Cloud Foundation, etc.).
Strong networking background (subnets, routing, VLANs, VTCs, cloud networking).
Monitoring and security tools support, such as Splunk and SolarWinds.
Scripting and automation (Bash, Python, Ansible).
Cross-platform operations (Linux, Windows, UNIX, etc.).
Experience with the creation and deployment of system images in an enterprise environment.
Experience with Assessment & Authorization process.
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!
Primary Level Salary Range: $123,400.00 - $185,000.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and 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.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.Skills Required
- Master’s degree and 6 years of IT experience, or bachelor’s degree and 8 years, or associate’s degree and 10 years, or high school diploma/GED and 12 years
- Current U.S. Government Secret security clearance with a closed investigation within six years, or enrollment in the Continuous Evaluation Program
- Ability to obtain and maintain Special Access Program access
- Linux workstation and server management experience in a classified environment
- Operating system cross-platform experience with at least two platforms
- Current Security+ CE or similar certification meeting U.S. Government 8140 requirements
- Bachelor’s degree in Information Technology and 10 years of Linux Server Administration experience in a classified environment
- Experience with NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG environments
- Experience administering modern Linux distributions, including RHEL 8/9 or Rocky Linux
- Proficiency with VMware vSphere/ESXi, Citrix XenServer, or KVM/QEMU
- Advanced Docker, Docker Compose, and container security experience
- Kubernetes orchestration experience, including Rancher or Kubernetes Dashboard
- Cloud platform integration experience with Azure CycleCloud or VMware Cloud Foundation
- Strong networking experience with subnets, routing, VLANs, VTCs, or cloud networking
- Experience supporting monitoring and security tools such as Splunk and SolarWinds
- Scripting and automation experience with Bash, Python, or Ansible
- Experience creating and deploying enterprise system images
- Assessment & Authorization process experience
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.






