Principal Engineer Jobs in Iowa

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Principal Kernel System Engineer

Request Technology, LLC

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Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Kernel System Engineer. This engineer will focus on stopping ransomware, bug fixes, performance enhancements, etc. This engineer will write high quality multithread safe code. Responsibilities: Develops prototypes for new features, transforms prototypes into production quality codeTranslates learnings from prototyping effort into crisp functional specifications and project plans for
Easy Apply
Posted 52 days ago | Updated 19 days ago

Principal Systems Engineer - Fixed Wing Military FMS (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-27 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace is seeking qualified candidates for a Principal Systems Engineer to join our development team for Flight Management Application content for Fixed Wing aircraft within our Military Avionics & Helicopters Fli
Posted 22 days ago | Updated 5 hours ago

Principal Communications Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 5 hours ago

Principal Solutions Engineer, Capital Markets

Circles Inc.

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Remote or New York, New York, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines
Posted 55 days ago | Updated 5 hours ago

Principal Systems Engineer - Networking and Gateway Solutions (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA 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.Security Clearance: DoD Clearance: Secret Principal Systems Engineer - Networking and Gateway Solutions (Onsite) The Battlefield Autonomy Tactical Management and A
Posted 25 days ago | Updated 5 hours ago

Principal Solution Engineer

Snowflake Inc.

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California, USA

Full-time

Where Data Does More. Join the Snowflake team. We are looking for a Senior Solution Engineer who is accustomed to solving customer's most complex problems and closing large deals. In this role you will work directly with the sales team and channel partners to understand the needs of our customers, strategize on how to navigate winning sales cycles, provide compelling value-based demonstrations, support enterprise Proof of Concepts, and ultimately close business. As a Snowflake Solution Engineer
Posted 60+ days ago | Updated 6 hours ago

Senior Principal Systems Engineer - Lead - Advanced Tanker Engineering (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted re
Posted 26 days ago | Updated 5 hours ago

Principal Software Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA has been reinventing computer graphics, PC gaming, and accelerated computing for 30 years. It is a unique legacy of innovation that's fueled by great technology and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, generative AI, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best tal
Posted 60+ days ago | Updated 5 hours ago

Principal Hardware Systems Engineer (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and int
Posted 29 days ago | Updated 5 hours ago

Principal FPGA Design Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 5 hours ago

Principal Software Engineer - Embedded Communications - Active SECRET Clearance (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-30 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA 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.Security Clearance: Secret - Current Are you looking to make a meaningful, positive impact while advancing your career? Would you be interested in working with an industry
Posted 60+ days ago | Updated 5 hours ago

Senior Principal Electrical Engineer - for Nuclear Effects (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-03-21 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Top Secret The Mission Systems Environmental Effects Engineering team at Collins Aerospace is looking for a Senior Electrical / Nuclear Effects Engineer to join our staff. This position will be responsible to support the multidi
Posted 28 days ago | Updated 5 hours ago

Principal Specialist, Industrial Engineer (Onsite)

RTX Corporation

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Coralville, Iowa, USA

Full-time

Date Posted: 2025-06-13 Country: United States of America Location: HIA34: Coralville, IA 2855 Heartland Dr , Coralville, IA, 52241-2733 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refuge
Posted 28 days ago | Updated 5 hours ago

Senior Principal Software Engineer - Embedded Communications - Active SECRET Clearance (Onsite)

RTX Corporation

•

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-30 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA 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.Security Clearance: Secret - Current Are you looking to make a meaningful, positive impact while advancing your career? Would you be interested in working with an industry
Posted 60+ days ago | Updated 5 hours ago

Principal Security Software Engineer (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-04-17 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret This is an exciting opportunity for a seasoned Systems Engineering professional to work on the cutting edge of secure military communications. In this role, you'll play a key part in shaping and developing advanced syste
Posted 60+ days ago | Updated 5 hours ago

Principal Software Engineer

Progressive Leasing

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Utah, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 5 hours ago

Principal Cybersecurity Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-15 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for an experienced Software/Cybersecurity Engineer. We are looking for a strong, passionate problem-solver with an action-oriented, collabor
Posted 60+ days ago | Updated 5 hours ago

Principal Backend Software Engineer (Data Team) - ROON

Harman International

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California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role At Harman International, we are revolutionizing music metadata management and discovery. As a Backend Engineer
Posted 60+ days ago | Updated 5 hours ago

Principal Power Electronics Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 37 days ago | Updated 5 hours ago

Principal Substation P&C Engineer

ENTRUST Solutions Group

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Remote

Full-time

Join Our Team as a P&C Engineer! Are you passionate about power systems and looking to make a significant impact in the field of protective relaying and control systems? We have an exciting opportunity for you to join our dynamic team! What You'll Do: Stay Ahead: Keep up to date with NERC and NPCC protection and control standards.Innovate: Engineer protective relay and control systems, calculate relay settings, create relay control logic, and analyze relay operations for transmission/distribut
Posted 60+ days ago | Updated 5 hours ago