Principal Windows Systems Administrator


On Site
USD 93,000.00 - 139,600.00 per year
Full Time


Active Directory
Microsoft Windows Server
Certification and accreditation
Microsoft Windows
Government contracts
Information systems
Security audit
IT management
IT security
File systems
Problem solving
Configuration Management
Security clearance
Computer hardware
Computer networking
Operating systems
Health insurance
Complex event processing
Copy editing
Risk management framework
Software deployment

Job Details

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 Mission Systems and its Classified Solutions team is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical professionals in Linthicum, MD. Please note that due to the classified nature of this position, the selected candidate will be required to work on-site, full-time, at our Linthicum, MD campus, and that this is not a remote work opportunity.

Primary Responsibilities will include but not be limited to the following:
  • Perform as a Windows System Administrator for a classified government contract.
  • Adhere to strict Information Systems security guidelines in all cases.
  • A nalyze internal and external customer requirements to determine appropriate hardware and software requirements for solutions to problems, by means of automated systems.
  • Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format.
  • Create and maintain user and computer accounts and modify file permissions and security access lists in a Microsoft Active Directory environment.
  • Develop and document technical processes and procedures as needed.
  • Direct other team members, as necessary.
  • Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions.
  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
  • Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, customer, and IT management.
  • Make recommendations to purchase hardware, software, and system components.
  • Prepare security documentation for input to Computer Security.
  • Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis.
  • Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
  • Report project status as required for all recurring and non-recurring efforts.
  • Support multiple networks while ensuring necessary administration tasks are completed in a timely manner.
  • Test new releases of products to ensure compatibility and minimize user impact.

Basic Qualifications :
  • 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 degree.
  • Candidates must have a current DoD Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation Program (CEP), in order to be considered; the required security clearance must be maintained as a condition of continued employment.
  • The selected candidate will be required to obtain and maintain a Special Access Program (SAP/SAR) clearance as a condition of continued employment.
  • Current Security+ CE, CISSP, CASP, or similar certification, or the ability to acquire certification within 6 months of hire date; maintaining the required certification will be a condition of continued employment.
  • Experience managing Windows Server OS and domain architecture.
  • Proven ability to work under minimal direction and independently determine and develop approach to solutions.
Preferred Qualifications :
  • Bachelor's or Master's degree in IS related field.
  • A current DoD Top Secret or Top Secret/SCI security clearance.
  • Currently valid Security+ CE, CASP, CISSP, or similar security certification.
  • 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.
  • Microsoft Active Directory domain architecture experience.
  • Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification a plus.
  • Knowledge of SAN storage systems.
  • Linux Operating System experience and/or certification for current versions.
  • VMWare Virtualization technology experience with current version.
  • Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk).
  • Rudimentary Scripting experience.
  • Experience with the creation and deployment of system images in an enterprise environment.
  • Experience with Systems Certification & Accreditation process (under DCSA's STIG and/or JSIG requirements).
  • DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).
Salary Range: $93,000 - $139,600

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.

Employees may be eligible for 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 committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit . U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.