Principal / Sr. Principal Systems Administrator (AHT)

Northrop Grumman•Aurora, CO
•$114,000 - $213,400•Onsite

About The Position

Northrop Grumman Space Systems is seeking a Principal or Sr. Principal Systems Administrator to join its team at its facility in Aurora, Colorado. The role performs Linux and Windows system administration on large government contracts, administers VMware technologies, and supports NAS storage. It coordinates with engineering, desktop support, project management, end users, customers, and IT management to maintain multi-user computer systems. The administrator improves system performance and reliability through installation, upgrades and patching, monitoring, problem resolution, and configuration management; provides backup and recovery services; manages file systems, disk space, and virus protection; and maintains user and computer accounts and access permissions. The role also maintains security audit and logging information for classified systems as directed by the ISSM, supports the Cyber Security team, and reports project status. The position may be filled at either the Principal or Sr. Principal level based on qualifications. An active Top Secret clearance and an adjudicated Full Scope Polygraph are required at application; SCI approval/access must be obtainable and maintainable. Relocation assistance may be available, and travel is expected 25% of the time.

Requirements

  • Principal-level experience: 5 years with a Bachelor of Science, 3 years with a master's degree, or 1 year with a Ph.D.; 4 additional years are required in lieu of a degree.
  • Sr. Principal-level experience: 8 years with a Bachelor of Science, 6 years with a master's degree, or 4 years with a Ph.D.; 4 additional years are required in lieu of a degree.
  • U.S. citizenship.
  • Active U.S. Government Top Secret security clearance at application, current and within scope, with ability to obtain and maintain SCI approval/access.
  • Adjudicated Full Scope Polygraph at application.
  • Server administration experience with Linux and Windows.
  • Experience administering VMware technologies or related platforms.
  • DOD 8570 IAT Level 2 baseline certification, such as Security+ CE, or ability to obtain one within 6 months of start date.
  • Experience administering NAS storage devices; NetApp administration experience with ONTAP 8.x or higher/CDOT is specified as preferred within this requirement.
  • Ability to lift equipment weighing up to 40 pounds.

Nice To Haves

  • Higher degree in a STEM-related discipline.
  • Network hardware and configuration experience.
  • 6 or more years of Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment.
  • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
  • Understanding of enterprise storage concepts, including commonly used RAID levels.
  • Experience remediating security vulnerabilities and hardening Linux systems in accordance with RMF and STIGs.
  • Identity Management (Single Sign-On) experience.
  • VMware and ESXi (6.x or higher) configuration and management experience.
  • Experience with host-based firewall implementations and configuration, including Red Hat iptables.
  • Windows 10 administration, Windows Server, Group Policies (GPOs), and Active Directory management experience.
  • Strong writing skills and experience using Wiki pages and SharePoint sites for documentation.
  • DoD 8570 certification in a primary operating system (Windows, Linux, or Cisco).
  • Currently valid Security+ CE, CASP, CISSP, or similar security certification.
  • Experience with VMware, NetApp, and Splunk, and comfort with maintenance and OS upgrades.
  • Familiarity with Tenable and Nessus scans for vulnerability and controls implementation.
  • Red Hat Enterprise Linux administration is preferred.

Responsibilities

  • Administer Linux and Windows systems on large government contracts.
  • Administer VMware technologies or related platforms.
  • Administer NAS storage.
  • Coordinate with network, software, and system engineers; PC desktop technicians; project managers; end users; customers; and IT management to maintain multi-user computer systems.
  • Recommend and implement system enhancements, including installation, upgrades and patching, monitoring, problem resolution, and configuration management.
  • Provide backup and recovery services; manage file systems and disk space; and manage routine virus protection.
  • Create and maintain user and computer accounts and modify file permissions and security access lists.
  • Maintain security audit and logging information on classified networked and standalone computers as directed by the ISSM.
  • Support the Cyber Security team.
  • Report project status for recurring and non-recurring efforts.
  • Support after-hours and weekend work as needed.

Benefits

  • Health insurance coverage
  • Life insurance
  • Disability insurance
  • Savings plan
  • Company-paid holidays
  • Paid time off (PTO) for vacation and/or personal business
  • Potential eligibility for overtime, shift differential, and discretionary bonus, depending on the position
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