Jobs in the United States

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Added 12 days ago
Sr. Application Security Engineer
American Express Global Business Travel
Trenton, NJ
…Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development experience and security expertise to build, secure, and…
Added 12 days ago
Senior Decision Intelligence Engineer
Humana
Trenton, NJ
Proficiency in Python 3.x; experience with PyTorch or TensorFlow for policy network or learned model implementation.
Added 12 days ago
Senior Director, Software Engineering
Circana
Chicago, IL
Design, develop, and optimize scalable DATA workflows using Python, PySpark, and Airflow
Added 12 days ago
Systems Integration Engineer
LEIDOS, INC.
Gaithersburg, MD
Support remote deployment activities by coordinating with infrastructure, networking, and installation teams.
Added 12 days ago
Principal Software Engineer
Mirantis
Remote, United States
…platform engineering teams to deliver composable, production-ready developer platforms across any environment - on-premises, in the cloud, at the edge, or in sovereign data centers. As…
Added 12 days ago
1
AI Conversation Designer
1mind
Remote, United States
- $100,000 to $150,000 USD / year
This is a fully remote opportunity but is preferred to be worked from the Eastern or Central time zones.
Added 12 days ago
Java Developer- API & Data Integration
The Huntington National Bank
Columbus, OH · Dallas, TX
…data pipelines running within Google Cloud Platform (GCP). The developer will help move data between Huntington systems and a third-party platform, process application events, and ensure…
Added 12 days ago
Principal Attack Engineer, AI/LLM
Horizon3
Remote, United States
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals…
Added 12 days ago
Launch Pad Engineer, Fluid Systems (Falcon 9)
SpaceX
Vandenberg, CA
Experience using and troubleshooting control systems for remote operations and instrumentation feedback
Added 12 days ago
Engineer I OR Engineer II - Nuclear Fuels - Brunswick and Oconee Nuclear Design Team
Duke Energy Carolinas, LLC
Charlotte, NC · York, SC · Huntersville, NC
However, hybrid employees must live within a reasonable commute to their designated Duke Energy facility, not greater than 50 miles one way
Added 12 days ago
Sr. Application Security Engineer
American Express Global Business Travel
Washington, DC
…Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development experience and security expertise to build, secure, and…
Added 12 days ago
Senior Decision Intelligence Engineer
Humana
Washington, DC
Proficiency in Python 3.x; experience with PyTorch or TensorFlow for policy network or learned model implementation.
Added 12 days ago
Data, AI, and Automation Specialist
Censeo Consulting Group
Washington, DC
Experience with relevant tools and technologies such as Power BI, Power Automate, Power Apps, Python, SQL, or comparable platforms and programming languages.
Added 12 days ago
EG
Cloud DevOps Engineer 2
Eliassen Group
Washington, DC
- $90 to $100 USD / hour
Hybrid 2 in office 3 days remote in Washington, DC
Added 12 days ago
Senior SIEM Engineer
DTCC Candidate Experience
Tampa, FL
DTCC offers a flexible/hybrid model of 3 days onsite and 2 days remote (onsite Tuesdays, Wednesdays and a third day unique to each team or employee).
Added 12 days ago
Software Engineer (PDLC Tooling + Automation)
Bloomerang
Remote, United States
Experience building and maintaining web applications, APIs, and integrations in a modern language such as Python or TypeScript/JavaScript
Added 12 days ago
A
Senior Embedded Software Engineer
Actalent
Kansas City, KS
- $41 to $51 USD / hour
…including charging, operation, communication interfaces, and remote drive…
Added 12 days ago
Cleared System Administrator (Washington, DC)
Azusa Solutions LLC
Washington, DC
*Candidate must have an active Top Secret Clearance*
Added 12 days ago
Senior Software Engineer - Test Infrastructure
IonQ
Bothell, WA · College Park, MD
We offer a hybrid work model, allowing for remote work a few days per week
Added 12 days ago
H
Engineering Manager, Admin Experience
Horizon3
Remote, United States
- $225,000 to $265,000 USD / year
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals…
Added 12 days ago
Senior Embedded Software Security Engineer- S3E
RTX
United States
Qualifications You Must Have:
Added 12 days ago
Principal Embedded Software Security Engineer -S3E
RTX
United States
Qualifications You Must Have:
Added 12 days ago
Principal Software Engineer, DevSecOps (Hybrid)
RTX
United States
Qualifications You Must Have
Added 12 days ago
Senior Software Engineer, DevOps - Cloud (Hybrid)
RTX
United States
Qualifications You Must Have
Added 12 days ago
Credit Risk Manager
Scratch
Remote, United States
Strong SQL and Python; comfortable with large loan-level and credit bureau datasets

Closed listing

RTX

Embedded Software Security Engineer I - S3E

United States

The salary range for this role is 57,200 USD - 108,800 USD.

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: The salary range for this role is 57,200 USD - 108,800 USD.
Posting language: English
Posted: Oct 30, 2026

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Original job description

Archived listing. The details below describe a past opening.

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

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 Software Security Sensors and Effectors (S3E) Department is looking for a Software Engineer in Tucson, AZ. Our mission is to provide world class Security Software to be used in deployed missile systems. Our software teams employ an Agile Scrum process to rapidly design, code, and integrate capabilities on a continuous basis into a mature solution for our customers. We strive for technical excellence by drawing upon a workforce whose knowledge base covers the complete spectrum of modern computing languages and platforms.

This position requires the interest and ability to learn real-time software design and the performance implications associated with specific System Security implementations.

This position is a full-time onsite role in Tucson AZ.

What You Will Do:

As a System Security software engineer, you will be involved with application and embedded software design, development, integration, and testing of real-time missile software.
Learn and 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.
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.

•

Qualifications You Must Have:

Typically requires a Bachelor’s degree in Science, Technology, Engineering, Mathematics or related field
Experience with C / C++

Qualifications We Prefer:

Active/Existing Secret level U.S Security clearance
Experience/Knowledge of any of the following:
Linux/Unix environment
FPGAs
Inter-processor communication
ARM Architecture
Secure boot concepts
Cryptographic Algorithms or Concepts
Embedded Software and or Hardware
Embedded Operating Systems - VxWorks, Embedded Linux, or similar
Agile and DevSecOps environments
Configuration Management Tools - Git
Python or similar languages

Learn More & Apply Now!

Please consider the following role type definitions 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.

Clearance Information:

This position requires 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

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 57,200 USD - 108,800 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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About employer

More about this job

Skills

Research
Agile
Scrum
C
C++
Linux
UNIX
Communication skills
Git
Python

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Work requirements

Jobs in the United States