Principal Software Security Engineer - S3E
Prattwhitney
What You Will Do Our mission is to develop, integrate, test, and support world‑class security software for deployed missile systems. Participate in the design, development, integration, and testing of real‑time missile software. Apply system security principles to missile software applications. Develop software applications using C and C++ on multiple computing platforms. Understand real‑time software design and performance implications of security implementations. Evaluate how your work affects the overall missile system and provide source‑level solutions. Collaborate with Systems Security Engineering team to define and implement requirements. Support the common development environment to leverage program capabilities. Interface with customer communities to review technical design and support verification. Required Qualifications Bachelor’s degree in STEM field. Minimum 8 years of relevant software experience. Experience with C and C++. Experience with Xilinx UltraScale+ MPSoC, Versal, or similar embedded processors. Experience with embedded OS such as VxWorks, Embedded Linux, or similar. Embedded software security experience. U.S. citizenship required. Must obtain and maintain an Interim Secret Level U.S. security clearance before start date. Preferred Qualifications Validation and verification of software applications. Knowledge of Linux/Unix environments. Interfacing with FPGAs and low‑level memory drivers. Inter‑processor communication. ARM architecture. Secure boot concepts. Cryptographic algorithms. Design, implementation, testing, or fielding of real‑time security‑oriented solutions on DoD programs (embedded experience highly preferred). Experience with security‑relevant tools for auditing, network security, host/server security, communication security, or policy management. Experience in Agile/DevSecOps environments. Experience with software configuration management and bug tracking tools. Experience with Python or Perl. Knowledge of modern computer architectures and hardware technologies: PCIe, GPIO, I2C, SATA, FPGAs, ASICs. Security Clearance U.S. citizenship required. Candidate must obtain and maintain an Interim Secret Level U.S. security clearance prior to start date. Benefits Healthcare, dental, vision, and life insurance. Short‑term and long‑term disability plans. 401(k) match and flexible spending accounts. Flexible work schedules and telework options. Employee assistance program. Paid time off, holidays, and parental leave (including paternal). Career development and recognition programs, educational assistance, and child/adult backup care. Equal Opportunity Employer We are 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, veteran status, or any other applicable state or federal protected class. #J-18808-Ljbffr Prattwhitney
$107.5k - $204.5k
...transferable U.S. government issued security clearance is required prior... ...of experience and renowned engineering expertise to meet the needs... ...aerospace and defense. Software Security Sensors and... ...Department is looking to hire a Principal Software Security Engineer...SuggestedTemporary workWork experience placementInterim roleWork at officeRemote workFlexible hours$107.5k - $204.5k
...and transferable U.S. government issued security clearance is required prior to start date... ...100 years of experience and renowned engineering expertise to meet the needs of today’s mission... ...and defense. Job Summary : The Software Security Sensors and Effectors...SuggestedTemporary workWork experience placementInterim roleWork at officeRemote workFlexible hours$107.5k - $204.5k
...and transferable U.S. government issued security clearance is required prior to start date... ...100 years of experience and renowned engineering expertise to meet the needs of today’s mission... ...and defense. Job Summary : The Software Security Sensors and Effectors...SuggestedTemporary workWork experience placementInterim roleWork at officeImmediate startRemote workFlexible hours$107.5k - $204.5k
...Eligibility: U.S. citizenship required. Security clearance: DoD Secret (intermediate clearance... ...before start date). Job Summary The Software Security Sensors and Effectors... ...Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of related...SuggestedInterim roleFlexible hours- ...Principal Software Engineer Position Shape the Future of Mining with Komatsu Mining Technology Solutions: At Komatsu Mining Technology Solutions, we're not just talking about progress and innovation - we're making it happen. Our cutting-edge Modular brand solutions...SuggestedLive inRemote workWorldwide
$68.9k - $131.1k
...and transferable U.S. government issued security clearance is required prior to start date... ...100 years of experience and renowned engineering expertise to meet the needs of today’s mission... ...that create a safer, more secure world. Software Security Sensors and Effectors (S3E)...Temporary workWork experience placementInterim roleWork at officeRemote workFlexible hours- Job Details Principal Software Engineer with ACTIVE Secret Security Clearance - Tucson, AZ Posted: 6/30/2026 Job ID: 16261 Job Category: Engineering Position Type: Contract to Hire Rate Range: $95/hr - $120/hr W2 (no health benefits / no paid PTO - a worked hour is...Contract workRelocation
- ...Senior Software Security Engineer Software Security Sensors and Effectors (S3E) Department is looking to hire a Senior Software Security Engineer in Tucson, AZ. What You Will Do: Involve with application and embedded software design, development, integration...Interim roleFlexible hours
$107.5k - $204.5k
...transferable U.S. government issued security clearance is required prior... ...of experience and renowned engineering expertise to meet the needs... ...aerospace and defense. The Software organization develops... ...delivers superior solutions. Our Principal Embedded Real-Time Software...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours$132.4k - $251.6k
Senior Principal Embedded Real-Time Software Developer/Integrator Location : Tucson, AZ (Onsite) Security Clearance : Secret-level U.S. government issued clearance required prior... ...the Effectors Center of our Software Engineering Directorate. Responsibilities include architecting...Temporary workInterim roleRelocation packageFlexible hours$107.5k - $204.5k
Principal Embedded Real-Time Software Developer/Integrator Position posted on 2026-05-14. Onsite location: Tucson, AZ. Security clearance: Active Secret U.S. government issued clearance required... .... Experience leading engineering teams in delivering systems involving...Temporary workRelocationFlexible hours$132.4k - $251.6k
...Position: Software/Test Equipment Development Engineer – Tucson, AZ Role: Onsite What You Will Do Guide multidisciplinary teams in the development of test... ...to obtain and maintain a U.S. Government Secret security clearance. Preferred Qualifications Knowledge of computer...Temporary workFlexible hours$107.5k - $204.5k
Job Summary Principal Embedded Real‑Time Software Developer/Integrator - Effectors Center of the Software organization... ...Obtain program access and maintain security clearance requirements.... ...device drivers, and leadership of engineering teams. Benefits Competitive salary...Flexible hours$86.8k - $165.2k
...and transferable U.S. government issued security clearance is required prior to start date... ...100 years of experience and renowned engineering expertise to meet the needs of today’s mission... ...for our entire missile portfolio. The software team within TEE is responsible for...Temporary workWork experience placementInterim roleWork at officeRemote workFlexible hours$86.8k - $165.2k
Senior Software Security Engineer Location: Tucson, AZ (On site) What You Will Do Provide world‑class security software for newly deployed missile systems. Design, develop, integrate, and test real‑time missile software. Apply system security principles to software design...Interim roleFlexible hours$68.9k - $131.1k
Software Security Engineer - Tucson, AZ Location: Tucson, Arizona. Onsite work required. Salary range USD 68,900 - 131,100. Security clearance: U.S. citizenship required, interim Secret clearance prior to start date. DoD Clearance: Secret. What You Will Do Design, develop...Interim roleFlexible hours- ...solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description This position is... ...upon award of contract SOSi is seeking a Cloud Security Engineer to support mission requirements for a structured approach to further...Full timeContract workRemote workWorldwide
- Prattwhitney is seeking a Software Security Engineer in Tucson, AZ, to design and develop real-time missile software applications. Candidates must have a Bachelor’s degree in STEM and at least 2 years of relevant experience, especially with C/C++. U.S. citizenship and...
$68.9k - $131.1k
...and transferable U.S. government issued security clearance is required prior to start date... ...to grow with us! We're expanding our engineering organization dramatically to meet exciting... ...aerospace and defense. At Raytheon's Software Engineering Directorate (SWE) Effectors...Temporary workWork experience placementInterim roleWork at officeRemote workRelocationFlexible hours$86.8k - $165.2k
Prattwhitney in Tucson, AZ is seeking a Senior Software Security Engineer to provide world-class security software for newly deployed missile systems. The role involves designing, developing, integrating, and testing real-time missile software. Candidates should have a...Flexible hours$89k - $143.75k
...Function: R&D Product Development Job Sub Function: R&D Software/Systems Engineering Job Category: Scientific/Technology All Job... ...a cyber-lens. Performing periodic risk assessment of security vulnerabilities in software for the product by identifying...Full timeTemporary workWork at officeLocal areaRemote workNight shift$117.88k - $153.25k
...Senior Software Engineer Posting Number: req26283 Department: Pharmacy Practice and Science Location: Tucson Campus, Tucson, AZ, USA The... ...: 40 hours per week, Full Time Background check: Name‑based criminal background check (non‑security sensitive) #J-18808-Ljbffr...Full timeWork experience placement- ...the design, development, and integration of software supporting factory test systems for weapon system products. The engineer works hands on with modern tools and technologies... ...: C++, C#, Java, Python or Visual Basic Security Clearance Required: Secret #J-18808-Ljbffr...
- ...missions to combat climate change, national security, and exciting new technology... ...thrive in space, like solar panels, flight software, star trackers, optical systems,... ...ambitious space missions. SENIOR AI&T ENGINEER II/PRINCIPAL - MECHANICAL Rocket Lab's Optical Systems...Permanent employmentLocal area
$80k - $95k
...Overview Foxhouhd Federal is looking for a Software Developer to support the design,... ...supporting defense, aerospace, or complex engineering applications. Position Overview The Software... .... Are you capable of acquiring a DoD Security Clearance? * Do you have at least two years...Local area- ...Introduction At IBM Software, we transform client challenges into solutions. Building the... ...responsibilities We’re looking for Senior Engineers with a deep backend focus to join our... ...a focus on scalability, resilience, and security Demonstrated conflict resolution skills...
$85k - $152k
...for an accommodation or an alternative application process. Software Engineer Full-time Regular Professional Centennial, CO, US 19 days ago... ...Defense and Intelligence Communities in support of national security. Rincon Research Corporation seeks a Software Engineer to...Full timeTemporary workImmediate startRemote workFlexible hours$229k - $280k
...an accommodation or an alternative application process. Sr. Software Engineer Full-time Regular Professional Tucson, AZ, US 30+ days ago Requisition... ...Defense and Intelligence Communities in support of national security. Rincon Research Corporation (RRC), an employee owned...Full timeTemporary workImmediate startFlexible hours- ...Canonical is a leading provider of open source software and operating systems to the global... ...such as public cloud, data science, AI, engineering innovation and IoT. Our customers... ...images will be free to use with long‑term security commitments, and engineered for performance...Work at officeRemote workWork from home
- ...States of America Job Description We’re currently seeking a Sr. Software Engineer to join our Headquarters team! The Sr. Software Engineer will... ...product managers, and QA/testing staff focused on delivering secure and top-notch new digital experience for our customers. What...Work at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Software Security Engineer - S3E. Be the first to apply!
- principal software engineer Tucson, AZ
- network security engineer Tucson, AZ
- senior application security engineer Tucson, AZ
- information technology security engineer Tucson, AZ
- IT security engineer Tucson, AZ
- security engineer Tucson, AZ
- principal Tucson, AZ
- senior principal cloud computing engineer Tucson, AZ
- senior principal scientist Tucson, AZ
- embedded software Tucson, AZ




