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Added 3 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 7 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 9 hours ago
Manager, Software Engineering
Commerce.com US, Inc.
Remote, United States
Solid UNIX / LAMP knowledge (ideally 2+ years working experience with PHP, MySQL, and Linux)
Added 12 hours ago
Intern - Software Engineer, Performance Tools (NTD)
Nintendo
Redmond, WA
…Nintendo Switch™ system and the Nintendo 3DS™ family of portable systems. Since 1983, when it launched the Nintendo Entertainment System™, Nintendo has sold more than 4.7 billion video…
Added 12 hours ago
Senior Software Engineer
NCR VOYIX
ROGERS, AR
· Hands-on experience working in Unix/Linux environments, windows is a plus
Added 13 hours ago
Senior Firmware Engineer
Anduril Industries
Waltham, MA
The Imaging team is seeking a Senior Firmware Engineer to design a new product lines. In this role, you will work closely with an interdisciplinary technical team to define, complete the…
Added 13 hours ago
Senior Software Engineer (Python)
Wells Fargo
IRVING, TX
Wells Fargo is seeking a Senior Software Engineer (Python) within the Secured Network Services organization. This role will focus on designing and delivering automation solutions that…
Added 14 hours ago
Senior Site Reliability Engineer
US AMR-Jones Lang LaSalle Americas, Inc.
Remote, United States
As a Senior Site Reliability Engineer on JLL’s Technical Engineering team for corporate functions, you will serve as a trusted technical authority for the PeopleSoft FSCM 9.2 environment…
Added 15 hours ago
Systems Engineer
Grantek Systems Integration
Indianapolis, IN
Operating Systems: Microsoft (current and legacy to NT), Unix, Linux, etc.
Added 15 hours ago
Systems Designer
Grantek Systems Integration
Cleveland, OH
Operating Systems: Microsoft (current and legacy to NT), Unix, Linux, etc.
Added 15 hours ago
GS
Systems Engineer
Grantek Systems Integration
San Jose, CA
- $95,000 to $120,000 USD / year
…mentoring program, where they will work directly beside our Senior Engineer…
Added 15 hours ago
Senior Embedded Software Engineer, Amazon Leo
Amazon Kuiper Manufacturing Enterprises LLC
Austin, TX · Redmond, WA
As a Senior Embedded Software Engineer, you will be a part of the team participating in the definition and implementation of the Leo’s satellite communication software stack. In this role,…
Added 15 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 15 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.
Added 15 hours ago
Network engineer, senior (level iii) - top secret clearance
Booz Allen Hamilton
Mechanicsburg, PA
Job Number: R0252507 Network Engineer, Senior The Opportunity: A well-designed network is critical to move data and enable the Department of Defense (DoD) to achieve their missions, but how…
Added 17 hours ago
Semiconductor Electrical Characterization
Micron Technology, Inc.
Boise, ID
As a Principal Semiconductor Characterization / Param Engineer in the DEMQRA Central Param team, you will serve as the technical authority for parametric characterization across the…
Added 17 hours ago
Sr Identity and Access Management Sailpoint Engineer
Atmos Energy Corporation
TX
2.Experience with operating systems (UNIX/Linux, Windows), internet applications (electronic mail, web, DNS/DHCP, TCP/IP), desktop software (Microsoft Office, virus detection programs),…
Added 18 hours ago
TV
Staff Software Engineer, Platform Team
The Voleon Group
Remote, United States
- $325,000 to $410,000 USD / year
As a Senior Software Engineer on the Software Platform team, you will design and evolve the distributed systems that power research and trading workflows across on-premises and cloud…
Added 18 hours ago
Senior Embedded Software Engineer, Android OS
Google
San Jose, CA
Extensive knowledge of Unix/Linux environments, embedded Linux.
Added 19 hours ago
Senior Site Reliability Engineer, Production Engineer - ThousandEyes(Hybrid)
Cisco
San Francisco, CA
As a Senior Site Reliability Engineer (SRE), you will lead the design and management of large-scale, highly available distributed systems, collaborating with application teams to ensure the…
Added 19 hours ago
B
Red Hat Certified Engineer (RHCE)
Bowhead
Corona, CA
- $200,000 to $240,000 USD / year
Bowhead seeks a Red Hat Certified Engineer (RHCE) to join our team on the Corona IT program. The Red Hat Certified Engineer (RHCE) will provide senior-level administration, engineering, and…
Added 20 hours ago
Director I, Chief Information Security Officer
Monroe Community College
Rochester, NY
…servers and services including all Windows Server Operating Systems and Unix variants (Linux, Solaris, AIX, etc.), as well as various embedded operating systems and all associated system…
Added 22 hours ago
Sr. Machine Learning Engineer
TEC Group Inc
Dearborn, MI
Sr. Machine Learning Engineer 140,000 to 180,000 per year Yearly Bonus Summary: As a Senior Machine Learning Engineer within the AI Squad and reporting to the Director of AI Engineering,…
Added 1 day ago
Test Engineer III
Chickasaw Alliance Group, LLC
Egg Harbor Twp, NJ
The Test Engineer III is a senior professional with extensive experience in testing and providing quality assurance. Responsible for leading and managing the testing process, ensuring the…
Added 1 day ago
Software Quality Assurance Engineer and Tester (FM Test/App Training Specialist & CM Test/App Training Specialist)
Quantum Sky
Aurora, CO
Quantum Sky is searching for an experienced Software Developer, Applications (Senior FM Application Developer) to serve as a technical lead and core software engineer on the Defense Health…

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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