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  1. Home
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  5. Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance
RTX logo

Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance

Not Disclosed•Full-TimeOn-site

location_on2144, Cliffside Drive, Plano, Collin County, Texas, 75023, United States

Apply Now

About RTX

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose to solve the world's most complex problems. With three market-leading businesses and world-class operations, we push the boundaries of known science to connect and protect our world. Raytheon brings over 100 years of experience and renowned engineering expertise to meet today's mission needs and stay ahead of tomorrow's threats. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world.

About the Team

The Software organization develops software applications, including integration and test for missiles, launchers, radars, naval systems, fire control, and other complex systems. Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensor, guidance, and flight control processing features to complete the mission. The Software org consists of several Centers located across the country, responsible for all aspects of the software development lifecycle. Our 4,000+ software engineers design, develop, and build innovative solutions for our customers.

About the Role

As an Algorithms Senior Software Engineer, you will join fast-paced agile teams on the leading edge of technology. This role is designed for a professional with experience in developing and implementing algorithm software for both large-scale HPC environments and highly optimized, performant real-time applications. You will work alongside scientists, including physicists, mathematicians, and signal processing experts, to understand algorithm goals and limitations. Your work will involve evolving algorithms originating in Python and MATLAB into optimized C, C++, and CUDA code, while modeling and testing new algorithms in high-performance computing environments. You will architect, design, implement, test, and debug integrated real-time software within heterogeneous systems, contributing to product concepts, design reviews, and proposals. This position offers the opportunity to travel for customer collaboration and to support meaningful unclassified and collateral tasks while in the process of obtaining a DoD Top Secret clearance.

Location and Work Model

This position is onsite at our campus in Plano, TX. Applicants must be in the area or willing to relocate. 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.

Hiring Process and Requirements

This role requires an active and transferable U.S. government-issued Secret security clearance on day one. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. The DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.

Equal Opportunity Employer

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.

Work location

Work model: On-site

location_on

2144, Cliffside Drive, Plano, Collin County, Texas, 75023, United States

Plano, Texas

Key Responsibilities

  • check_circleWork alongside scientists to understand algorithm goals and limitations
  • check_circleOptimize software for performance using parallel processing and GPUs
  • check_circleEvolve algorithms from Python and MATLAB into optimized C, C++, and CUDA code
  • check_circleModel and test new algorithms in high-performance computing environments
  • check_circleScale processing implementations to run extensive tests on hundreds of cores
  • check_circleArchitect, design, implement, test, and debug integrated real-time software
  • check_circleDefine and refine product concepts within cross-discipline teams
  • check_circleContribute to proposals and preliminary and critical design reviews

Requirements

  • verifiedBachelor's degree in Computer Science, Engineering or other STEM related field
  • verifiedMinimum of 5 years of relevant experience
  • verifiedExperience developing, testing, and integrating real-time software in C, C++
  • verifiedDevelopment experience on Linux-based systems
  • verifiedActive and transferable Secret U.S. government issued security clearance
  • verifiedU.S. citizenship

Nice to Have

Established background in mathematics and signal processing concepts. Ability to quickly understand and navigate complex systems and established code bases. Experience with product development utilizing the Scrum techniques of the Agile software development process. Hands-on experience with Git for version control and Gitlab/Jira for repository and issue management. Experience working with massively parallel code streams. Experience with optimized CUDA programming for Nvidia accelerators. Prior work in HPC environments. Experience with MATLAB, Python, and other analysis tools. Active and transferable U.S. government issued Top Secret security clearance.

Benefits & Perks

check_circleMedical, dental, vision, life, short-term and long-term disability insurancecheck_circle401(k) with company matchcheck_circleFlexible spending accountscheck_circleFlexible work schedulesEmployee assistance program
RTX logo
Company

RTX

Industry

it

View company profilearrow_forwardlanguageWebsite
Quick Overview

Experience

5+ yrs (Senior)

Education

Bachelor's degree in Computer Science, Engineering, or other STEM related field required

Job Type

Full-Time

Skills Required

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Skills, education and keywords

Skills: Python, Matlab, C, Cuda, Linux, Git, Gitlab, Jira, Scrum.

Education: Bachelor's degree in Computer Science, Engineering, or other STEM related field required.

Frequently asked questions about Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX

What does a Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX do?expand_more
A Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX is responsible for the following: Work alongside scientists to understand algorithm goals and limitations; Optimize software for performance using parallel processing and GPUs; Evolve algorithms from Python and MATLAB into optimized C, C++, and CUDA code; and Model and test new algorithms in high-performance computing environments.
What are the requirements for this Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role?expand_more
RTX is looking for candidates who meet the following requirements: Bachelor's degree in Computer Science, Engineering or other STEM related field; Minimum of 5 years of relevant experience; Experience developing, testing, and integrating real-time software in C, C++; Development experience on Linux-based systems; Active and transferable Secret U.S. government issued security clearance; and U.S. citizenship.
Where is the Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role at RTX located?expand_more
Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX is based in 2144, Cliffside Drive, Plano, Collin County, Texas, 75023, United States. This is a on-site role.
Is this Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance job remote, hybrid, or on-site?expand_more
RTX has listed this Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role as on-site.
How much experience is required for this Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role?expand_more
Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX typically requires 5+ years of relevant experience at the senior level.
What skills do you need for the Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role at RTX?expand_more
Key skills for Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX include Python; Matlab; C; Cuda; Linux; Git; Gitlab; and Jira.
What education is required for Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX?expand_more
Educational requirements for this role: Bachelor's degree in Computer Science, Engineering, or other STEM related field required.
What category does the Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance role belong to?expand_more
Senior Software Engineer - Algorithms Software (Onsite) with Security Clearance at RTX is part of the it job category on Recrutus.
Recrutus

Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

Search roles by city, category, skill, or job type — explore verified US employers, salary benchmarks, and remote-friendly teams hiring nationwide.

publiclanguageshare
Job seekers
Browse jobsCompanies hiringRemote jobsJobs by locationJobs by cityJobs by categoryJobs by skillCareer guidesCareer blogSalary insights
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Top states
Jobs in TexasJobs in CaliforniaJobs in New YorkJobs in FloridaJobs in North CarolinaJobs in VirginiaAll states →
Top categories
Healthcare & Nursing jobsLogistics & Warehouse jobsEngineering jobsIT jobsSales jobsHospitality & Catering jobsAccounting & Finance jobs
Popular skills
CDL-A jobsExcel jobsEnglish jobsMicrosoft Office jobs
Featured employers
Company
About usFAQContactPrivacy policy

Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

© 2026 Recrutus. All rights reserved.
Terms of serviceCookie policyAcceptable useDMCA policyEmployer termsCandidate terms
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check_circleEmployee Scholar Program
check_circleParental leave
check_circlePaid time off and holidays
check_circleRelocation offer based on eligibility
check_circleAnnual short-term and/or long-term incentive compensation programs
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