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 Linux Systems Administrator to handle High Performance Computing (HPC) systems to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Melbourne, FL location.
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.
The responsibilities of this role include, but are not limited to, the following:
Perform as a lead Sr. Principal Computer Systems Analyst - Linux in support of classified government contracts.
Monitor and report HPC system health/metrics.
Identify performance bottlenecks.
Modify system wide parameters to improve performance and evaluate the effects of those changes.
Perform HPC technical planning, system integration, verification and validation, cost and risk evaluation, and supportability and effectiveness analyses.
Manage HPC system life cycle: concept, design, installation, test, operation, maintenance, and disposal.
Assist software developers and engineers in installing, debugging, and optimizing their software in the HPC environment.
Support technical users running analysis on HPC systems
Collaborate with Security and follow guidelines to ensure compliance with cybersecurity policies.
Scans, patches, and hardens the computing environment to meet customer requirements.
Collects, audits, and stores necessary log data for the system.
Develops artifacts necessary to support assessment and authorization of the system.
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; 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; impacts 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.
Lifts and moves equipment up to 50 pounds.
Work after hours, and weekends, as needed.
Basic Qualifications:
Master's Degree with 6 years of experience; OR a Bachelor's Degree with 8 years of experience; OR an Associate's Degree with 10 years of experience; OR a High School Diploma (or equivalent) with 12 years of experience is required
Must have a Security+ CE or higher; maintaining the required certification will be a condition of continued employment
Candidates must have a current US Government Secret level security clearance (or higher) in order to be considered
Candidates must have the ability to obtain, and maintain, a US Government Top Secret level security clearance as a condition of continued employment
Candidates must have the ability to obtain access to Special Programs as a condition of employment, maintaining Special Programs access will be a condition of employment
Experience with configuring, administering, and maintaining Red Hat or other Linux systems
Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Experience contributing to the architecture and design of new and current HPC systems
Preferred Qualifications:
Bachelor's degree in Information Technology
Active Top Secret, TS/SCI, Polygraph, or SAP/SAR access would be nice to have
10 years of Server Administration to include Active Directory and Group Policy in a classified environment
Good understanding of HPC systems design, HPC network architecture (Ethernet and Infiniband), and parallel processing optimization.
Programming experience with at least one high-level programming language or scripting language such as C, Fortran, Python, or BASH
Experience building and maintaining HPC systems and running scalable distributed application software.
Experience with storage clusters and/or parallel file systems.
Hands-on experience with HPC hardware diagnostics and repair.
Experience with the software compilation process (compilers, GNU Make, CMake, etc.)
Familiarity with cybersecurity requirements and methodologies, including a working knowledge of JSIG and STIG.
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: $111,700.00 - $167,500.00The 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 with 6 years experience OR Bachelor's with 8 years OR Associate's with 10 years OR High School Diploma with 12 years of experience
- Current US Government Secret level security clearance (or higher)
- Ability to obtain and maintain a US Government Top Secret clearance
- Ability to obtain access to Special Programs and maintain access
- U.S. Citizenship (required for positions with government clearance)
- Security+ CE or higher (must maintain certification)
- Experience configuring, administering, and maintaining Red Hat or other Linux systems
- Experience operating and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG environments
- Experience contributing to architecture and design of HPC systems
- Willingness to work on-site full-time at Melbourne, FL (no telecommute) and relocate as needed
- Ability to lift and move equipment up to 50 pounds and work after hours/weekends as needed
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.
