Principal/Sr. Principal Linux/Windows Systems Administrator

2 weeks ago


Baltimore, United States Northrop Grumman Full time
Requisition ID: R10166364
  • Category: Information Technology
  • Location: Baltimore, Maryland, United States of America
  • Clearance Type: Secret
  • Telecommute: No- Teleworking not available for this position
  • Shift: 1st Shift (United States of America)
  • Travel Required: Yes, 10% of the Time
  • Positions Available: 1
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 software-secure technology to enable strategic planning. 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 of 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.

Northrop Grumman Mission Systems is seeking a well-qualified Linux/Windows Systems Administrator to join its Classified Solutions team 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.

Responsibilities will include but not be limited to the following:

  • Perform as a Linux/Redhat Systems Administrator for a classified government contract.

  • Perform as a Windows Systems Administrator for a classified government contract.

  • Maintain smooth operation of all computer infrastructure in a multi-user computer system environment, including coordination of efforts with systems, software, and electrical design engineers, Information Systems Security Officers, PC desktop technicians, end users, network engineers, program/project managers, and IT management.

  • Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems.

  • 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.

  • Provide backup and recovery services, manage data storage devices, and implement/upgrade/update virus and malware protection on a routine basis.

  • Create and maintain user and computer accounts and modify file permissions and security access lists.

  • Test new releases of products to ensure compatibility and minimize user impact.

  • Develop and document technical processes and procedures as needed.

  • Make recommendations to purchase hardware, software, and system components.

  • Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions.

  • Adhere to strict Information Systems security guidelines in all cases.

  • Deploy new STIGs & work with IT/IA to develop POA&Ms for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.

  • Understand vulnerability and risk mitigation in accordance with RMF & DoD JSIG standards.

  • Maintain security audit and logging information on all classified networked and standalone computers as directed by Information Systems Security Officers (ISSOs) and Information Systems Security Managers (ISSMs).

  • Prepare security documentation for input to Computer Security.

  • Report project status as required for all recurring and non-recurring efforts.

  • Work under minimal direction and independently determine and develop approach to solutions.

This position may be filled at either Level 3 or Level 4, based on the qualifications outlined below.

Basic Qualifications for Level 3:

  • 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.

Basic Qualifications for Level 4:

  • Associate's degree and 11 years of experience, or Bachelor’s degree and 9 years of experience, or Master’s degree and 7 years of experience; a High School diploma or equivalent with 13 years of experience may be considered in lieu of a completed degree.

Basic Qualifications for Levels 3 and 4:

  • 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 a Special Access Program (SAP/SAR) clearance within 9 months of their hire date; program and/or customer requirements may expedite this time window, and maintaining a SAP/SAR clearance will be a condition of continued employment.

  • IAM Level I certification (ex: Security+ CE) or greater required on Day 1 of employment; maintaining the required certification will be a condition of continued employment.

  • Experience managing Redhat Enterprise Linux OS.

  • Experience managing Windows Server OS and domain architecture.

  • Familiarity with DoD STIGs, deploying new STIGs & working with IT/IA to develop POA&Ms for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.

Preferred Qualifications:

  • Bachelor’s or Master’s degree in IS related field.

  • Active DoD Top Secret security clearance.

  • 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.

  • Understanding of networking, including subnets, routing, and VLANs; Cisco experience and/or certification.

  • Windows AD, LDAP, VMWare, and knowledge of SAN storage systems.

  • Experience with Windows & Linux Operating systems that support Security Engineering tools.

  • Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk).

  • VMWare experience with current version.

  • Rudimentary Scripting experience.

  • Experience with the creation and deployment of system images in an enterprise environment.

  • Experience with Certification & Accreditation process.

  • DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).

We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment.  Our Employee Resource Groups (ERGs) offer opportunities to be a friend, be active, be a volunteer, be a leader, be recognized, and to be yourself.  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

Salary Range: $93,000 - $139,600
Salary Range 2: $115,400 - $173,200
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.



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