Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 8 mins ago
Principal Software Engineer, Onsite
RTX
United States
The position is for a Principal Software Engineer role that is responsible for conducting dry runs and formal runs of the software verification tests. This includes the test data analysis…
Added 12 mins ago
Principal Mechanical Equipment and Glovebox Design Engineer
Enercon Services, Inc.
Kennewick, WA · Naperville, IL · Overland Park, KS
…cleanup, and next‑generation energy missions. In this role, you’ll engineer first‑of‑a‑kind (FOAK) mechanical systems - including gloveboxes, hot cells, shielded enclosures, remote‑operated…
Added 12 mins ago
Software Test Automation Engineer
Booz Allen Hamilton_United States
Alexandria, VA
The candidate must be self-driven, with the ability to work independently not only with test engineers and DevOps teams but with business analysts and developers to review software design…
Added 14 mins ago
Engineer II, Software Engineering
Red River
Remote, United States
Manage the development, maintenance, and execution of FAT and FPT test procedures, test plans, and automated testing scripts.
Added 15 mins ago
Cyber Threat Engineer
System One
Bellview, FL
Develop and maintain tools, scripts, and automated workflows that enable TIER threat-hunting and intelligence operations.
Added 22 mins ago
IC
EDA Tools Software Engineer
Intel Corporation
AZ · CA
- $128,880 to $245,160 USD / year
Develop and maintain test structures and automated validation for EM/IR collateral, including validation and cross-tool correlation.
Added 29 mins ago
Junior Design Verification Engineer, Amazon Leo
Amazon Kuiper Manufacturing Enterprises LLC
Austin, TX · Sunnyvale, CA
· Develop detailed test plans and write tests, run regressions, collect coverage matrices and report progress to the program
Added 29 mins ago
Software Engineer
Avion Solutions
Huntsville, AL
Avion Solutions Inc., a 100% employee-owned company, is seeking candidates for a Software Engineer – HPC and Data Applications to support the development of aircraft data-analysis…
Added 29 mins ago
Senior Test Systems Engineer – LabVIEW / HMI / Data Acquisition
Vidac Solutions
Fenton, MO
…in Fenton, Missouri. We design and build custom industrial test systems, data acquisition systems, environmental test equipment, and automated solutions for manufacturing…
Added 29 mins ago
Senior Test Systems Engineer – LabVIEW / HMI / Data Acquisition
Priority Talent Partners
Fenton, MO
…in Fenton, Missouri. We design and build custom industrial test systems, data acquisition systems, environmental test equipment, and automated solutions for manufacturing…
Added 31 mins ago
Software Engineer II
Amentum
Bismarck, ND
The Software Engineer II will perform full stack development with C# program, ReactJS, MVC, Linq, and rest API development in NET Core platform. This position is US remote teleworking…
Added 35 mins ago
Agentic automation, Frontier AI
Eli Lilly and Company
United States
You will engineer the connective tissue between Agentic AI and physical lab systems building practical integrations with robotic platforms, analytical instruments, and data pipelines.…
Added 44 mins ago
AI Engineer (Active IRS MBI clearance)
Mission Bridge Partners
Remote, United States
We are seeking an experienced AI Engineer to support a mission-critical modernization initiative for the Internal Revenue Service (IRS). This program focuses on transforming legacy tax…
Added 1 hour ago
Sr Staff Engineer-DFT
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
…Vietnam, and Argentina - and we are looking for a senior staff DFT engineer in Santa Clara on our next-generation ODSP program, to help set up the methodology and flow on our flagship…
Added 1 hour ago
Senior Principal Engineer-DFT
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
The position will be responsible for Architecting, Leading and implementing DFT / Test methodology on a complex mixed signal SOC for multiple generations
Added 1 hour ago
Manufacturing/ Tooling Engineer
Blue Origin Personnel, LLC
United States
This role is part of Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply…
Added 1 hour ago
Test Engineer (Clearance Required) - Remote US
ICF Incorporated, LLC
Reston, VA
The Work: We are seeking a detail-oriented Test Engineer to support User Acceptance Testing (UAT), automated and regression testing efforts across application releases. This role partners…
Added 1 hour ago
Senior Core Infrastructure Engineer
Oracle
Santa Clara, CA · Seattle, WA
…tolerance, and high availability. We are looking for a hands-on engineer with strong systems programming skills, end-to-end ownership, and an AI-first mindset to drive engineering…
Added 1 hour ago
Senior Software Engineer
Sonic Healthcare USA, Inc
Dallas, TX
The Senior Software Engineer designs, develops, and supports enterprise software applications that enable laboratory and business operations. This role works closely with architects,…
Added 1 hour ago
Software Engineer III (Agentic AI)
UKG
Seattle
Agent Development: Design, build, test, and deploy production-grade AI agents using Google ADK and other agentic platforms such as the Anthropic Claude SDK and LangGraph. Write clean,…
Added 1 hour ago
IG
Software Development Engineer in Test (SDET) – Backend/API
Insight Global
Remote, United States
- From $65 USD / hour
Insight Global is seeking an experienced Software Development Engineer in Test (SDET) to support automated testing efforts for a large-scale application environment. This individual will…
Added 1 hour ago
DevOps Engineer - Level 3 or 4
Northrop Grumman
Colorado Springs
Monitor and improve software quality by implementing code quality and coverage metrics, integrating automated test suites, and enforcing quality controls across environments.
Added 1 hour ago
NG
2027 Spring Co-op Software Engineer Intern – McClellan CA
Northrop Grumman
McClellan Park
- $21.5 to $48 USD / hour
Perform unit, integration, and system‑level testing using automated test frameworks and continuous integration pipelines.
Added 1 hour ago
Software Engineer (AHT)
Northrop Grumman
Beavercreek
…Modernization team warmly invites you to apply to be a software engineer on our development team. Our team size is 10+ and is represented by developers from diverse backgrounds – from…
Added 1 hour ago
Senior Principal Systems Engineer *
Northrop Grumman
Fairfax · Morrisville
Northrop Grumman’s Space Systems Sector is seeking a Systems Engineer – Level 4 to join our team in our Fairfax, VA or Morrisville, NC locations.

RTX

Principal Software Engineer, Onsite

United States

The salary range for this role is 118,300 USD - 224,900 USD.

Apply About employer

Applications open in a new tab.

Job details

Pay: The salary range for this role is 118,300 USD - 224,900 USD.
Experience: 8+ years of relevant engineering experience
Posting language: English
Posted: Nov 4, 2026

Original job description

Date Posted:

2026-11-04

Country:

United States of America

Location:

US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. 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:

Active and existing security clearance required after day 1

Raytheon Company, Managed by Collins Aerospace 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. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Collins Aerospace is seeking a qualified Principal Software Engineer to support the Joint Precision Approach and Landing System (JPALS) program. This is a mid-career engineering position for an individual with educational and/or professional experience/interest in the development of solutions to GPS Navigation Systems. The work is highly technical, and the individual will work collaboratively in an agile environment on the software team. The individual will work with C code in a multithreaded environment or Java application code and support integration and test; verification of requirements. The position is for a Principal Software Engineer role that is responsible for conducting dry runs and formal runs of the software verification tests. This includes the test data analysis necessary to verify the software requirements. The Senior Software Engineer analyzes software requirement changes to verify the updates are compliant with the parent specification, and the affected requirements are allocated to the applicable software items and test identification. The Principal Software Engineer verifies that any software requirements (regardless of safety criticality) verified by new or modified test procedures have been fully verified. The Principal Software Engineer also performs regression analysis in accordance with regression analysis process and procedures.

The successful candidate must be able to work on individual tasks, sometimes under limited supervision, or with a team to achieve operational targets and must have the ability to communicate and collaborate with parties within and outside of own job function. Eventually the candidate may be responsible for helping to provide guidance, coaching and training to other employees within their job area. We are looking for talented individuals that love to problem solve and have a desire to grow and gain exposure to new skills. Our customers come from all different backgrounds, and so do our employees. If you're passionate about what you could accomplish here, we'd love to hear from you.

What You Will Do:

Work on multiple tasks in support of software development
Work collaboratively in an agile environment
Work with C code in a multithreaded environment or Java applications
Improve code quality by performing code reviews and good software practice
Support integration and verification within our automated test framework
Collaborate with subject matter experts and cross-functional teams for a unified solution

What You Will Learn:

You will gain technical experience, mentorship opportunities, and exposure to very influential individuals within Mission Systems that will help advance your career.
You will obtain invaluable experience working with our subject matter experts and specialists, our customer base, and cross-functional integrated product team.

Qualifications You Must Have:

8+ years of relevant engineering experience
Experience in C software and/or Java
Understanding of basic software development principles – configuration control, collaborative development, and formal processes
Experience in performing data analysis and problem solving (e.g. anomaly investigation)
Ability to obtain and maintain a Secret U.S. government issued security clearance is required after the start date.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

Qualifications We Prefer:

Experience with real-time multithreading, memory management and performance optimization
Experience in software collaboration environments and secure coding practices
Experience with hardware in the loop testing
Experience in Simulink Test, requirements traceability, scripting, VxWorks, VectorCAST
Experience with development of solutions to GPS Navigation Systems
Experience with Hardware and Software Integration, Validation & Verification Testing, and Qualification Testing.

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 Ovia 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
And more!
Eligible for referral bonus

Learn More and Apply Now!Collins Aerospace, a RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. 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 to play in ensuring our customer succeeds today while anticipating their needs for tomorrow.

Are you up for the challenge? Join our mission today. WE ARE REDEFINING AEROSPACE.

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. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day. #MISENG

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 118,300 USD - 224,900 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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Apply About employer

Report this job