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Added 6 mins 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 mins ago
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Added 15 mins ago
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Added 18 mins ago
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Experience deploying, configuring, and troubleshooting Elastic Agent across enterprise Windows and Linux systems.
Added 29 mins ago
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Added 40 mins ago
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Demonstrated experience administering Microsoft Windows Server and Linux server operating systems; extensive hands-on experience with Windows Server, Linux, and enterprise infrastructure…
Added 58 mins 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 58 mins 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 1 hour ago
Systems Engineer/Administrator Contractor - Merritt
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Added 1 hour ago
Senior Technical Risk & Compliance Analyst
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Added 1 hour ago
On-Site Service Engineer – Data Center / Server Hardware
Unisys Corporation
Pryor, OK
Troubleshoot issues involving server hardware, BIOS/firmware, operating systems, and hardware diagnostics
Added 1 hour ago
Enterprise - Senior Software Engineer - Linux, C/C++, Python
Erias Ventures, LLC
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Added 1 hour ago
Linux Platform Engineer
CACI International
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Added 1 hour ago
SC
1791 - Computer Engineer
SOLUTE Careers
Norfolk, VA
- $130,000 to $145,000 USD / year
Red Hat Enterprise Linux (RHEL) and Windows Server.
Added 1 hour ago
SC
1792 - Software Engineer
SOLUTE Careers
Norfolk, VA
- $150,000 to $170,000 USD / year
Sigma Defense is seeking a Software Engineer to join our team in Norfolk, VA. The hired candidate will support engineering, development, integration, and modernization activities. This…
Added 1 hour ago
Systems Development Engineer II, ADC Security Services (A2SE)
Amazon
Arlington, VA
…into the cloud and Amazon infrastructure - from the minute a server hits our data center through how we securely administer and operate services. We are looking for engineers who think…
Added 1 hour ago
IG
Windows Engineer
Insight Global
Richmond, VA
- $50 to $70 USD / hour
The environment includes legacy Windows Server 2008 and 2012 systems, virtualization platforms, aging hardware, and workloads that may be migrated to AWS or repurposed from Linux to…
Added 1 hour ago
System Engineer
BOOZ, ALLEN & HAMILTON, INC.
Chantilly, VA
Booz Allen is seeking a skilled systems engineer with experience supporting enterprise desktop and server environments to join our team. In this role, you will draw upon experience…
Added 2 hours ago
SC
IoT Engineer - Special Projects & Innovation
SmartTech Contracting LLC
Remote, United States
- $99,750 to $120,225 USD / year
As a IoT Engineer - Special Projects & Innovation you will architect, build, and deliver the connected systems behind SPI initiatives, from the field instrumentation and edge infrastructure…
Added 2 hours ago
Cloud Infrastructure Engineer
University of North Carolina at Greensboro
NC
…supporting approximately 200 virtual machines, and enterprise Linux and Windows servers. The position performs server lifecycle administration, including patching, service validation,…
Added 2 hours ago
Lead Principal Splunk Development Engineer
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5. Linux systems and administration instruments, including puppet and syslog;
Added 2 hours ago
Intern - SMAI Probe AI Engineer
Micron Technology, Inc.
Boise, ID
Familiarity with web technologies, databases, APIs, version control systems, and modern development environments.
Added 2 hours ago
Software Engineer
Popular
Rosemont, IL
…lifecycle of new and existing business applications and production systems support for applications hosted on AWS Cloud. Primary focus is on analysis, design, programming, testing and…
Added 2 hours ago
Software Engineer
Popular
Rosemont, IL
…lifecycle of new and existing business applications and production systems support for applications hosted on AWS Cloud. Primary focus is on analysis, design, programming, testing and…
Added 2 hours ago
Lead Python Engineer
Bright Vision Technologies
Remote, United States
We are seeking an experienced Lead Python Engineer to design, build, and continuously enhance complex enterprise-grade applications, data-intensive services, and automation platforms. This…

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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