Senior Linux System Maintainer

  • Anywhere
  • Anywhere

Raytheon UK

Raytheon Technologies is currently seeking a Senior Systems Administrator II to provide Linux system maintenance and engineering support to maintain high priority operational systems at a high level of availability and resolve problems based on mission criticality and guidance. This position is staffed as an 8×5 position (with after-hours call-in responsibility) which may require a modified work schedule.

Required Clearance:
An active and in-scope U.S. TS/SCI security clearance with C.I. polygraph.

Duties and responsibilities include:

  • Performs Tier 2 software application maintenance and backups on assigned mission systems running a variety of operating systems to include Linux and Windows.
  • VMware administration responsible for configuration, maintenance, monitoring and overall support of multiple VMware environments
  • Setup, install, configure ESXi servers, maintain and restore VM backups and snapshots. Update system process documentation, guides, diagrams, and SOPs as needed.
  • Performs routine and preventative maintenance such as general computer tasks, backup/restore, application loads, disk utilization, system loading and system monitoring
  • Detects, isolates, documents, quickly reports, and resolves system outages or problems encountered during operations of the operational system baseline, which includes collecting diagnostic data, restoring the system operation, developing workarounds, and other activities necessary for recovery of a system
  • Documents problems in logging and discrepancy reporting tools
  • Collects data describing the environment at the time of the failure and performs other activities in support of Tier 3 maintenance investigation and resolution
  • Performs system monitoring, analyzing and documenting performance and conducting trend analysis as required
  • Supports system engineering groups as required for ongoing analysis and integration efforts
  • Works with other Tier 2 maintenance engineers across multiple locations providing enterprise-level maintenance support, with customer visibility, into all Tier 2 maintainer actions and responses
  • Provides oversight and guidance to entry/junior level system maintainers
  • Contribute to completion of project milestones under the specific guidance of program leadership

Required Education/Experience:

  • Bachelor’s Degree and 6 years of relevant experience or 14 years of related experience in lieu of a degree.


  • Must have good communication skills to effectively and accurately exchange information across a multi-location enterprise, with customer visibility, into maintainer-based actions and responses
  • Must have the ability to multi-task in a dynamic environment with changing priorities
  • Contribute to completion of project milestones under the specific guidance of program leadership
  • Must be available to work after hours on a call-in basis
  • Must have a current DODI 8570.1-M IAT Level II certification or must able to obtain the certification within first 60 days of employment

Desired Requirements:

  • Backup and Recovery – EMC Avamar, EMC Networker, Veritas Netbackup
  • Hitachi Virtual Storage Platform (VSP)
  • VMware Certified Professional (VCP)
  • Redhat Linux certification
  • Oracle 11g RAC database

This position requires either a U.S. Person or a Non-U.S. Person who is eligible to obtain any required Export Authorization. 180732
Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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