Senior Software Security Engineer, Onsite

RiseMe; Goleta (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

RTX Employee Scholar Program

401(k) plan

Flexible work schedules

Job summary

RTX in Goleta, CA is seeking an experienced Embedded Software Security Engineer to design, implement, and test real-time security-focused software for DoD-grade sensor systems. You will work on C/C++ applications across multiple platforms, contribute to TDMC-based development, and interface with customers to review designs and verify system maturity.

The role requires a Bachelor’s in STEM and 5+ years of embedded software experience, with a DoD security clearance eligibility.

Qualifications

• Typically requires a Bachelor’s in STEM and a minimum of 5 years of software experience.
• Experience developing software using C / C++.
• Experience with Xilinx MPSoC, Versal or similar Embedded Processors.
• Experience with embedded OS like VxWorks or Embedded Linux.
• Embedded Software Security experience.
• The ability to obtain and maintain an interim Secret U.S. security clearance is required.

Responsibilities

• Develop software applications using C and C++ on various platforms.
• Ensure the SW Product Assurance processes are followed.
• Understand real-time software design and performance implications of security implementations.
• Collaborate with cross-functional teams to implement TDMC-based development and deployment.
• Interface with customer communities to review design and verify system maturity.

Skills

C/C++

Embedded software security

Real-time software design

Security clearance

Python/Perl

Education

Bachelor's degree in STEM

Tools

VxWorks

Embedded Linux

Xilinx MPSoC/Versal

Petalinux/Yocto

PCIe / I2C / GPIO

Job description

Date Posted: 2026-09-23

Country: United States of America

Location: US-CA-GOLETA-H03 ~ 6380 Hollister Ave ~ BLDG H03

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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

What You Will Do:

Our mission is to provide world class Security Software to be used in developing and supporting deployed sensor systems on various platforms.

Implement Software Security principles to embedded software design, development, integration, and testing of real-time sensor software.

• Develop software applications using C and C++ languages on a variety of computing platforms
• Ensure the SW Product Assurance processes are followed on our programs
• Understand real-time software design and the performance implications associated with specific System Security implementations.
• Work closely with cross functional Engineering teams to define and implement Test Driven Multidisciplinary Capability (TDMC) based execution development and deployment requirements.
• Work in a common development environment to support and facilitate program ability to leverage specific capabilities.
• Interface with customer community to review technical design and support verification of system maturity.

Qualifications You Must Have:

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of relevant software experience
• Experience developing software using C / C++.
• Experience with Xilinx UltaScale+ MPSoC, Versal, or similar Embedded Processors.
• Experience with embedded OS like VxWorks, Embedded Linux, or similar
• Embedded Software Security experience.
• The ability to obtain and maintain an interim Secret U.S. security clearance is required prior to start date. U.S. Citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

• Designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred)
• Cyber security experience. Using security-relevant tools and devices for security auditing, network security, host/server security, communication security, or policy management.
• Secure boot, containerization and hardening concepts
• Static analysis concepts, methods & tools
• Petalinux/Yocto operating systems
• Cryptographic Algorithms
• Agile/Scrum/Kanban frameworks and DevSecOps environments
• Python / Perl
• Knowledge of modern computer architecture and hardware technologies including:
• ARM Architecture
• Interface protocols: PCIe, GPIO, I2C, SATA
• Field Programmable Gate Arrays (FPGAs)
• Application-Specific Integrated Circuits (ASICs)
• Using software configuration management and bug tracking tools
• Experience with validation and verification of software applications

What We Offer:

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

• The RTX Employee Scholar Program pays for tuition, academic fees and books for undergraduate and graduate study at approved educational institutions
• 401(k) plan that offers a broad range of investment options. For eligible employees, we will match up to 4% of your savings to help you build financial security
• Flexible work schedules and paid time off to accommodate work/life balance including many with every other Friday off

Please consider the following role type definition as you apply for this role.

• 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 , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this