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Principal Linux​/AWS Systems Administrator - Polygraph

Remote / Online - Candidates ideally in
Aurora, Arapahoe County, Colorado, 80012, USA
Listing for: Northrop Grumman Corp. (AU)
Remote/Work from Home position
Listed on 2026-07-02
Job specializations:
  • IT/Tech
    Systems Administrator, Unix/Linux, Cybersecurity
Salary/Wage Range or Industry Benchmark: 98900 - 148300 USD Yearly USD 98900.00 148300.00 YEAR
Job Description & How to Apply Below

Relocation Assistance:
No relocation assistance available

Clearance Required for Start:
Yes

Clearance Type:
Polygraph

Travel:
Yes, 10% of the Time

At Northrop Grumman, the Classified Solutions CIDO team is seeking a Principal Computer Systems Analyst (Linux/AWS Systems Administrator) to support information system lifecycle activities. The selected candidate will be required to work on-site, full‑time at either our Baltimore, MD (preferred), Morrisville, NC, or Aurora, CO location. This is not a remote/virtual position.

Responsibilities
  • Perform as Principal Computer Systems Analyst – AWS/Linux in support of classified government contracts.
  • Exhibits good communication skills, an energetic approach, and patience with customers.
  • 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.
  • Able to support multiple networks, ensuring necessary AWS/Linux administration tasks are completed; coordinating with others as necessary, working under minimal direction.
  • Maintain operations of multi‑user computer systems working with system engineers, PC desktop technicians, networking engineers, project managers, end users, and IT/Cyber management.
  • Assist with review of internal customer requirements, making recommendations for hardware, software, system component purchases.
  • Maintain and provide reliability of systems through installation, upgrading/patching, monitoring, problem resolution, and configuration management.
  • Provide and maintain backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis.
  • Test new releases of products to ensure compatibility and minimize user impact.
  • Develop and maintain technical documentation of system processes and procedures.
  • Adhere to strict Information Systems security guidelines in all cases, supporting Computer Security with inputs to documentation, as required.
  • Maintain 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.
  • Support environments by means of ticketing requirements systems (Service Now, JIRA, etc.).
  • Raises issues that require senior level attention or involvement.
  • Lifts and moves equipment 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
  • Master's Degree with 3 years of IT experience; OR a Bachelor's Degree with 5 years of IT experience; OR an Associate's Degree with 7 years of IT experience; OR a High School Diploma/GED with 9 years of IT experience is required.
  • Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Linux/Windows Systems Administrator – IAT level II certification at a minimum (examples: Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, CCISO).
  • Experience with AWS/Linux Server Administration in a classified environment is required.
  • Experience installing, configuring, and maintaining resources in an AWS cloud environment needed.
  • Must have experience implementing STIGs (Security Technical Implementation Guides) on Linux systems.
  • Candidates must have a current Top Secret level security clearance with SCI access level eligibility to include a recent and current Polygraph [adjudicated within the last 5 years] in order to be considered.
  • Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment.
Preferred Qualifications
  • The ideal candidate will have a Bachelor's degree in Information Technology, a Security+ CE, a Linux+ or RHCSA, and 6 years of Linux Server Administration experience in a classified…
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