Raytheon Technologies

Senior Principal Software Security Engineer

Raytheon Technologies • $132K — $251K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM or equivalent experience (10 years)
  • Active DoD Secret security clearance required
  • Proficient in multi-threaded embedded C and C++ software development
  • Experience with full lifecycle software development practices
  • Familiarity with configuration management tools

Responsibilities

  • Lead software development and integration for embedded C++ products
  • Design and develop advanced embedded cryptographic solutions
  • Collaborate with cross-functional teams to define requirements and implement software
  • Mentor fellow developers to enhance technical skills and processes
  • Enhance security and reliability of critical communications infrastructure

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with employer matching
  • Tuition reimbursement and student loan repayment programs
  • Life insurance and disability coverage
  • Adoption assistance and parental leave benefits
  • Employee Assistance Plan with counseling sessions
  • Wellness rewards program and virtual doctor visits
  • Eligible for relocation assistance
Full Job Description

Date Posted:

2026-10-01

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137

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:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

Job Description

Crypto Without the Coins—Come Engineer What Keeps Critical Systems Secure. Our Crypto team in the creates cutting edge embedded cryptographic capabilities for U.S. military communications products.  We regularly work with the N.S.A. to ensure our military communications are secure and trustworthy.   

 

Our team works alongside multiple hardware, FPGA, and software teams to seamlessly embed our advanced technology into several different products, all with the end goal of keeping our warfighters safe and secure and bringing them home. This team gets to work on a wide variety of innovative products, both new and existing, so it's not your typical repetitive workload.     

 

As a Senior Principal Software Engineer, you will play a key role in the design, development, integration, and verification of our embedded encryption algorithms. Proficiency in C++, Python, and embedded Linux is crucial for rapid integration into our projects. While experience with secure systems, secure software development, or cryptographic applications is preferred, it is not required. The ideal candidate will consistently deliver superior results, ensuring project milestones are met while fostering a positive work environment.

 

What You Will Do:

  • Lead Software Development and Integration: Spearhead efforts on a multi-threaded embedded C++ product codebase, driving innovation at the cutting edge of technology. 
  • Design Embedded Solutions: Take the lead in designing and developing advanced embedded cryptographic solutions and communications products, ensuring alignment with strategic objectives. 
  • Drive Project Execution: Collaborate with cross-functional project teams to define requirements, implement software, and oversee test case development, verification test execution, and certification support. 
  • Mentor and Empower: Provide guidance and mentorship to fellow software developers, enhancing both technical proficiency and process optimization while cultivating a culture of collaboration and continuous improvement. 
  • Enhance Security and Reliability: Play a pivotal role in shaping products that significantly bolster the security and reliability of critical communications infrastructure. 

 

What You Will Learn:  

  • You will gain technical experience on the always evolving latest security requirements.   
  • Explore secure systems and software development principles within a supportive team environment.  
  • Develop insights into cryptographic applications, fostering a deeper understanding of their implementation and implications.  
  • Participate in Agile methodologies, refining your ability to adapt and deliver in dynamic project settings. 

 

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience or in absence of a degree, 10 years of relevant experience

·         Active and transferable DoD Secret security clearance required prior to day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Software development and integration experience on complex multi-threaded embedded C and C++ product software code bases. 
  • Experience with standard full lifecycle software development practices and configuration management tools 

 

Qualifications We Prefer:

  • Experience with memory safe languages
  • Crypto software requirements capture, design formulation, algorithms and implementation
  • Development of artifacts to support certification of crypto system and components
  • Experience with Information Assurance and/or Cybersecurity industry standards of practice

 

What We Offer

Some of our competitive benefits package includes: 

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
  • Birth, adoption, parental leave benefits
  • Health, fertility, and family planning
  • Adoption Assistance         
  • Autism Benefit
  • Employee Assistance Plan, including up to 10 free counseling sessions
  • Healthy You Incentives, wellness rewards program
  • Doctor on Demand, virtual doctor visits
  • Bright Horizons, child and elder care services
  • Teladoc Medical Experts, second opinion program
  • Eligible for relocation
  • And more! 

​

Learn More & Apply Now!​

 

#MISENG

 

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part

 

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 132,400 USD - 251,600 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Prepare for Your Future

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SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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