Sr. Principal Windows/Linux Systems Administrator)

Northrop Grumman’s Classified Solutions organization is seeking a well-qualified Windows/Linux systems administrator to join its dynamic team of technical professionals in Linthicum, MD. The selected candidate will be required to work on-site, full-time, at our Linthicum, MD campus; this is not a remote work opportunity.

Roles and responsibilities will include but not be limited to the following:

• Serve as the IT Lead for a large, classified government contract(s), overseeing the effective maintenance and operational activities of the entire IT infrastructure including servers, desktop, and networking equipment. 

• Perform as a senior technical resource for the rest of the System Administration team, to include mentoring and guiding junior level team members.

• Communicate effectively with all stakeholders in written and verbal formats. 

• Ensure necessary IT projects are completed independently or assigned/delegated to others as necessary.

• Obtain and analyze internal and external customer requirements and recommend equipment and software as needed; periodically coordinate various vendor quotes necessary to procure equipment and software.

• Implement system enhancements that will improve the performance, reliability, and security of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.

• Manage backup infrastructure and provide backup and recovery services.

• Manage virus protection on a routine basis as directed by policy.

• Maintain security audit and logging information on all classified networked and standalone computers as directed by the Cyber Security team.

• Create and maintain user and computer accounts and modify file permissions as directed by policy.

• Develop and maintain technical processes and procedures as needed.

• Provide technical support/expertise to other classified programs across the campus as needed.

Basic Qualifications:

• Associate degree with 10 years of experience, or a Bachelor’s degree with 8 years of experience, or a Master’s degree with 6 years of experience, or a PhD with 4 years of experience; a High School diploma or equivalent with 12 years of experience may be considered in lieu of a completed degree.

• Applicants 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 ability to obtain and maintain a Special Access Program (SAP/SAR) clearance will be a condition of continued employment.

• A current Security+CE, CASP, CISSP, or similar DoD 8570 or 8140 compliant security certification; certification must be maintained as a condition of continued employment.

• Ability to lift equipment weighing up to 40 pounds.

• Experience operating under and managing systems within current applicable information systems compliance standards.

• Experience maintaining Classified Windows Domains in effective operations to include advanced knowledge of the following: Microsoft Active Directory (AD) - deployment, maintenance, and support; experience with Group Policy Objects (GPO) - creation, modeling, and maintenance; DNS Server administration; DHCP Server administration.

• Experience with Windows Server Update Servers (WSUS), SCCM, or similar third-party software update system administration.

Preferred Qualifications:

• Experience supporting license managers.

• Experience supporting golden image creation, deployment, and underlying infrastructure.

• Experience deploying vulnerability scanning tools and remediation.

• Experience leading a technical team of IT professionals.

• Experience mentoring junior level IT professionals.

• Experience giving technical presentation to technical and non-technical attendees.

• Experience providing surge support to other programs as needed.

• Ability to travel as needed.

• Ability to work after hours and weekends as needed.

• Experience with VMWare virtualization platform implementation, migration, and maintenance.

• Experience with NetApp storage platform implementation, migration, and maintenance.

• Experience with Nutanix hyperconverged infrastructure implementation, migration, and maintenance.

• Experience with system design and architecture.

• Experience with communicating with executive leadership.

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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.