Sr Principal Windows / VMWare Systems Administrator - Polygraph
Ngc· enterprise· Defense· Aug 28, 2026 · 2mo ago
Linthicum, MD
In office
Full-time
Principal
$123K–$185K
4+ years exp
Job description
RELOCATION ASSISTANCE: No relocation assistance available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: Polygraph
TRAVEL: Yes, 10% of the Time Description
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.
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 Classified Solutions team is seeking a Senior Principal Computer Systems Analyst (Windows and VMWare Sys Admin) to support information system lifecycle activities for the CIDO. The selected candidate will be required to work on-site, full-time at our Linthicum, MD location .
The responsibilities of this role include, but are not limited to, the following:
Perform as a Senior Computer Systems Analyst in support of classified government contracts
Able to communicate effectively at all levels of the organization, with internal or external customers, in written and oral format.
Establishes and maintains high levels of customer satisfaction according to defined objectives while adhering to established policies.
Report task statuses as required for all recurring and non-recurring efforts in written and oral format.
Oversee and lead the reliable operations of multi-user computer systems working with system engineers, PC desktop technicians, networking engineers, project managers, end users, and IT/Cyber management.
Analyze and make recommendations to internal or external customer requirements and determine equipment and software requirements for solutions to problems.
Recommend and implement system enhancements, to include automation, that will improve the performance of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
Ensure compliant and reliable backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis.
Test and oversee new releases of products to ensure compatibility and minimize user impact.
Lead the development and documentation of technical processes and procedures.
Interact, meet, discuss, and troubleshoot issues with vendors; evaluate vendor products, services, and suggestions.
Adhere to strict Information Systems security guidelines in all cases and report security relevant statuses accordingly.
Ensure accurate security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
Work across disciplines to isolate issues between software, firmware, and hardware, between software and operating systems, between networks and applications, and between one-time events and recurrent systematic problems.
Mentorship of junior professionals to grow and develop technical talent
Lift 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.
Basic Qualifications :
PhD with 4 years of relevant IT experience; OR a Master s Degree with 6 years of relevant IT experience; OR a Bachelor s Degree with 8 years of relevant IT experience; OR a Associates Degree with 10 years of relevant IT experience; OR a High School Diploma/GED (or equivalent) with 12 years of relevant IT experience is required
Must have experience with designing and maintaining Windows domain architectures, including but not limited to Active Directory, GPOs, Policies, and permissions in a classified environment
Experience with VMWare implementation, migration and maintenance is required
Candidates must meet the U.S. Government 8140 (8570 equivalent) baseline certification requirements for a Sr Principal Computer Systems Analyst - IAT Level II (example: Security CE)
Candidates must have a current US Government Top Secret/SCI level security clearance to include a recent Polygraph [adjudicated within the last 5 years] in order to be considered
Preferred Qualifications :
The ideal candidate will have a Master s degree, a Security CE certification, and 7 years of Windows server administration experience to include VMWare, Linux, RedHat Administration in a classified environment
Experienced Active Directory, Group Policy, DNS, DHCP, LDAP and other services
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Experienced with networking, including subnets, routing, VLANs and VTCs; Cisco experience and/or certification
Experienced in the creation, maintenance, and deployment of system images in an enterprise environment
Experience installing, configuring, and maintaining computer hardware in a networked environment
Experience working in virtualized environments
Deploy and maintain Backup solutions (Cohesity, Veritas, etc) and SAN storage systems
Experience with environmental monitoring tools (HBSS/Solar Winds/Splunk)
Experience in scripting and automation
Operating System Cross-platform awareness (i.e. two or more: Windows, Linux, Solaris, OSX, UNIX, etc.)
Experience with Assessment & Authorization processes
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 - $185,000.00
The 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 northropgrumman.com. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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Health Insurance
401k
Pto
Paid Time Off