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Senior Information Systems Engineer - Onsite El Segundo, CA

Job in El Segundo, Los Angeles County, California, 90245, USA
Listing for: Prattwhitney
Full Time position
Listed on 2026-09-25
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support, Systems Administrator
Salary/Wage Range or Industry Benchmark: 96000 - 182000 USD Yearly USD 96000.00 182000.00 YEAR
Job Description & How to Apply Below

Date Posted:  Country:
United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type:
Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type:
DoD Clearance:
Secret Security Clearance Status:
Active and existing security clearance required on day 1

What You Will Do
  • Provide Cybersecurity compliance guidance to engineering for production and procurement of Test Equipment (TE)
  • Support Flight Test capabilities and processes for Raytheon test systems
  • Develop Cybersecurity Compliant TE (Linux, IOS, Windows)
  • Install software packages/updates to enhance operations and testing of production hardware
  • Troubleshoot production and development TE to ensure connectivity, functionality, compliance, and test integrity
  • Collaborate with Digital Technologies to integrate TE into controlled networks or enterprises
  • Collaborate with Cybersecurity to ensure TE compliance (using tools such as Nessus, Splunk, Ivanti, and locally procured software
  • Collaborate with engineering to ensure changes do not affect the availability or test integrity on the TE
  • Support all reviews required prior for implementation of any changes to the TE

This position is 100% ONSITE in El Segundo, California

Qualifications
  • Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM)
  • Minimum of five (5) years of relevant experience OR an advanced degree in STEM and a minimum of 3 years relevant experience
  • Minimum 3 years of Linux systems administration experience
  • Networking fundamentals such as TCP/IP, DNS, DHCP, routing, and/or firewalls such as iptables/firewalld
  • Package management such as yum/dnf, apt and/or repository management
  • Experience with user account management, software installation and or technical customer support
  • U.S. Citizen with current DoD Government issued Secret security clearance day one
We Prefer
  • Certifications:

    DoD 8570.01M IAT II certified credentials (Security+, CISM, etc.), or ability to obtain within 6 months of start
  • Systems Engineering

    Experience:

    Systems Engineer managing Operational Technology (OT) experience and/or test systems in a production environment
  • OS & Systems Administration:
    Experience with Windows and Linux (desktop and server), including networking administration and user/permissions management such as AD integration, sudo, SELinux/App Armor basics
  • Security & Hardening Practices:
    Experience with backup/recovery procedures, baseline hardening such as CIS benchmarks, STIGs, and vulnerability scanning tools such as Nessus, OpenSCAP
  • Automation/Configuration Management:
    Experience with configuration management tools (e.g., Ansible), including writing and maintaining playbooks for patch management and routine configuration
  • Troubleshooting & Communication:
    Troubleshooting skills across Windows/Linux systems, customer service orientation, and oral/written technical communication with independent problem-solving ability
What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

This position offers relocation.

Position Classification

This position is classified as:
Onsite:
Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

This position requires a security clearance.

DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and…

Position Requirements
10+ Years work experience
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