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Added 4 hours ago
Senior Software Engineer
Trinzic
Redstone Arsenal, AL
KBR is seeking a Senior Software (SW) Engineer to support the U.S. Army Integrated Fires Mission Command (IFMC) Project Office located at Redstone Arsenal in Huntsville, Alabama. The role…
Added 7 hours ago
Cybersecurity Engineer, Journeyman
Astrion
El Segundo, CA
Astrion is seeking an experienced Cybersecurity Engineer to support the Space Sensing Directorate, SSC in the protection, monitoring, and assessment of information systems and networks.…
Added 7 hours ago
Senior Software Developer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
This is a fully onsite position in Huntsville, AL supporting defense and intelligence programs, requiring an active Top Secret clearance. The ideal candidate is a highly skilled full-stack…
Added 7 hours ago
Senior Cloud DevOps Engineer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced Senior Cloud DevOps Engineer to support the design, automation, deployment, and maintenance of mission-critical cloud infrastructure in a classified AWS…
Added 7 hours ago
Linux System Administrator -Senior - Active TS is required (ONSITE - 100%)
VISUAL SOFT, INC
Huntsville, AL
Job Title: Senior Linux System Administrator (AWS) – Top Secret Clearance
Added 7 hours ago
Senior DevSecOps Engineer - Top SECRET - ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced **Senior DevSecOps Engineer** to design, automate, and secure our enterprise CI/CD workflows and cloud architecture. In this role, you will embed **DevSecOps**…
Added 7 hours ago
Senior Cloud DevOps Engineer / Top SECRET / ONSITE
VISUAL SOFT, INC
Washington, DC
Job Title: Senior Cloud DevOps Engineer - Top SECRET
Added 9 hours ago
Sr Software Engineer - Airborne Radar Systems, Onsite
RTX
United States
Sensors: Space and Air division in El Segundo, CA is seeking a Senior Software Engineer [Embedded / Radar] to be part of their product development teams for the Airborne Radar Systems group…
Added 13 hours ago
MS
Senior DevSecOps Engineer - Reston, VA
Military Spouse Jobs & VetJobs
United States
- $120,700 to $188,725 USD / year
Noblis is looking for a highly experienced DevSecOps Engineer with an active Top Secret/SCI clearance with Polygraph to support critical national security missions.
Added 13 hours ago
Senior Software Engineer
KBR Wyle Services, LLC
Redstone Arsenal, AL
KBR is seeking a Senior Software (SW) Engineer to support the U.S. Army Integrated Fires Mission Command (IFMC) Project Office located at Redstone Arsenal in Huntsville, Alabama. The role…
Added 13 hours ago
Product Security Engineer (Senior)
The Boeing Company
Seal Beach, CA · El Segundo, CA
The Boeing Company is seeking a Senior Product Security Engineer to join the Boeing team in Seal Beach, CA or El Segundo, CA. This position will focus on supporting a proprietary program…
Added 14 hours ago
Software Engineer (Senior) – SOA C3
Amentum
Norfolk, VA
Amentum is seeking a detail-oriented and motivated Senior-Level Software Engineer to support the SOA C3 application development mission. In this role, you will design, develop, modify,…
Added 15 hours ago
Senior Full-Stack Software Engineer
Trinzic
Beavercreek Township, OH
…from multiple sources into timely operational insight. This senior engineer will work across modern web applications, backend services, analytical workflows, and AI-enabled capabilities…
Added 15 hours ago
BA
MBSE & Digital Threads Engineer
Booz Allen Hamilton
Colorado Springs, CO
- $62,000 to $141,000 USD / year
…partner across disciplines, and own analysis and products. At the senior end of this role, you will shape the approach, lead work through milestone reviews, and mentor…
Added 16 hours ago
Senior Database Engineer
Resource Management Concepts, Inc.
Charleston, SC
RMC is seeking a Senior Database Engineer with systems programming expertise and a strong background in database engineering. This role focuses on understanding how database engines and…
Added 18 hours ago
Senior Software Security Engineer
RTX
United States
We are currently seeking a Senior Software Security Engineer to join our Software Product Assurance team in El Segundo, CA
Added 18 hours ago
MBSE & Digital Threads Engineer
Booz Allen Hamilton_United States
El Segundo, CA · Colorado Springs, CO · Aurora, CO
…partner across disciplines, and own analysis and products. At the senior end of this role, you will shape the approach, lead work through milestone reviews, and mentor…
Added 19 hours ago
Senior Dev Sec Ops/AI Ops Engineer
The Aerospace Corporation
El Segundo, CA
…to join and help us shape our future. We are looking for a Senior DevSecOps/AIOps Engineer to help us build and manage the next generation of AI enabled Web and mobile agentic applications.…
Added 19 hours ago
AI Software Engineer
The Aerospace Corporation
El Segundo, CA
…to join and help us shape our future. We are looking for a Senior Software Engineer to help us build the next generation of AI enabled Web and mobile agentic applications. You will work…
Added 19 hours ago
DevOps Engineer
TechChain Talent
Austin · Austin, TX
We are looking for a Senior DevOps Engineer to own how everything we build gets deployed, secured, observed and kept running. You will be joining a team dedicated to unlocking the true…
Added 20 hours ago
Senior Cybersecurity Engineer I -Secret Clearance
Rocket Lab Corporation
Long Beach, CA
SENIOR CYBERSECURITY ENGINEER I - SECRET CLEARANCE
Added 20 hours ago
Senior Cybersecurity Engineer II -Secret Clearance
Rocket Lab Corporation
Long Beach, CA
SENIOR CYBERSECURITY ENGINEER II - SECRET CLEARANCE
Added 21 hours ago
Quality Assurance Automation Engineer (5637)
SMX
Washington, DC
…an unparalleled opportunity to be part of a high-performing DevSecOps team in a "can't fail" environment, where the technical stack includes cutting-edge AWS cloud services, advanced…
Added 21 hours ago
Senior Embedded Software Security Engineer- S3E
RTX
United States
Software Security Sensors and Effectors (S3E) Department is looking to hire a Senior Software Security Engineer in Tucson, AZ.
Added 21 hours ago
Principal Embedded Software Security Engineer -S3E
RTX
United States
Software Security Sensors and Effectors (S3E) Department is looking to hire a Senior Software Security Engineer in Tucson, AZ.

RTX

Principal Embedded Software Security Engineer -S3E

United States

The salary range for this role is 107,500 USD - 204,500 USD.

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Job details

Pay: The salary range for this role is 107,500 USD - 204,500 USD.
Posting language: English
Posted: Oct 30, 2026

Original job description

Date Posted:

2026-10-30

Country:

United States of America

Location:

US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)

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

Job Description

At RTX, the world 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. Software Security Sensors and Effectors (S3E) Department is looking to hire a Senior Software Security Engineer in Tucson, AZ.

Raytheon Tucson, AZ Location
Our Culture | RTX Careers

What You Will Do:

Our mission is to provide world class Security Software to be used in deployed missile systems.

This position requires understanding of real-time software design and the performance implications associated with specific System Security implementations.
Involve with application and embedded software design, development, integration, and testing of real-time missile software.
Apply System Security principles to the design and implementation of Missile software applications.
Develop software applications using C and C++ languages on a variety of computing platforms
Understand real-time software design and the performance implications associated with specific System Security implementations.
Able to understand how position's efforts affect the “big picture” of the missile system and be able to develop or review detail solutions at the source code level.
Work closely with the Systems Security Engineering team to define and implement 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 8 years of relevant software experience
Experience with C / C++
Experience with Xilinx UltaScale+ MPSoC, Versal, or similar Embedded Processors
Experience with embedded OS like VxWorks, Embedded Linux, or similar
The ability to obtain and maintain an Interim Secret Level U.S. security clearance is required prior to start date with the ability to obtain program access after start . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

Embedded Software Security experience
Experience/Knowledge of any of the following:
Linux/Unix environment
Interfacing with FPGAs
Interfacing with low-level memory drivers
Inter-processor communication
ARM Architecture
Secure boot concepts
Cryptographic Algorithms
Experience designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred)
Experience using security-relevant tools and devices for security auditing, network security, host/server security, communication security, or policy management.
Experience in Agile and DevSecOps environments
Experience in an Agile/Scrum/Kanban frameworks and development environments
Experience using software configuration management and bug tracking tools
Experience with Python / Perl
Knowledge of modern computer architectures and hardware technologies including:
PCIe, GPIO, I2C, SATA
Field Programmable Gate Arrays (FPGAs)
Application-Specific Integrated Circuits (ASICs)

What We Offer:

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs.
Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
“Tucson is Awesome”: https://www.youtube.com/watch?v=i65wOwKcNIQ
“Winter in Tucson”: https://www.youtube.com/watch?v=yZdKKkF0QkE

Learn More & Apply Now!

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 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

Location Information: This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select 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 role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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More about this job

Skills

Research
C
C++
Linux
UNIX
Communication skills
Auditing
Agile
Scrum
Kanban
Python
Perl
Field-programmable gate arrays
Integrated circuits

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