Principle Linux System Administrator

Raytheon Technologies - El Segundo, CA

Full-time - Senior

El Segundo, CA

Computer and Electronic Product Manufacturing

About the position

The Principal Linux System Administrator at Raytheon is responsible for integrating multi-level security and insider threat mitigation technologies, developing infrastructure management concepts, and maintaining automation capabilities to enhance technical processes. This role involves planning for capacity, monitoring performance, administering backups, and ensuring strict access control to IT infrastructures. The position also includes providing technical leadership and mentorship to junior system administrators while maintaining security standards and documentation.

Responsibilities

• Integrate multi-level security and insider threat mitigation technologies.
• Develop infrastructure and service management concept of operations.
• Develop and maintain automation capabilities to streamline and secure technical processes.
• Develop and maintain disaster recovery plans.
• Plan for capacity and monitor performance and service availability.
• Administer backups and diagnose backup errors.
• Maintain strict access control to all networks and IT infrastructures.
• Partner with application/project/security teams and vendors to plan, design, and implement new IT infrastructure.
• Manage client agents for server monitoring as well as agents for server management.
• Provide technical leadership and mentorship to 1st and 2nd level system administrators.
• Maintain infrastructure security standards for all systems & employ security hardening techniques.
• Create and maintain technical and detailed design documentation.

Requirements

• Typically, Bachelor's degree and 5 years of experience or 9 years of prior relevant experience.
• Active and transferable U.S. government issued Secret security clearance is required prior to start date.
• Linux and/or Windows systems administration experience.

Nice-to-haves

• VMware VSphere (ESXi, vCenter, etc)
• Systems deployment, administration, performance tuning, and monitoring
• Automation via scripting
• Infrastructure as Code (IaC)
• Multi-tenancy architecture knowledge
• Storage - NetApp FAS8000
• Familiar with Window Servers, Active Directory and Group Policy
• Network and infrastructure services such as domain controllers, global catalogs, DNS, and DHCP
• Infrastructure backup, restore, disaster recovery and business continuity
• Critical thinking - ability to solve technical problems independently and with collaborative teams
• Proven understanding of datacenter concepts and technologies
• Ability to effectively provide direction for a multi-disciplined IT team to produce infrastructure solutions for large-scale, complex systems
• Effective written and interpersonal communication.
• DevOps experience
• Cloud computing (AWS, Azure)
• Experience with the following Microsoft technologies: Familiarity with Splunk & Centrify products
• CompTIA Security+ certification or other industry-recognized certifications relevant to a Windows System Administrator
• BASH Scripting
• Familiar with Chef, Ansible, Puppet, CFEngine, etc
• ITIL Foundations and/or ITIL Service Operations

Benefits

• Medical insurance
• Dental insurance
• Vision insurance
• Life insurance
• Short-term disability
• Long-term disability
• 401(k) match
• Flexible spending accounts
• Flexible work schedules
• Employee assistance program
• Employee Scholar Program
• Parental leave
• Paid time off
• Holidays
• Annual short-term and/or long-term incentive compensation programs