Principal Engineer Jobs in Denver, CO

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Principal Software Engineer

Sierra Nevada Corporation

Remote or Lone Tree, Colorado, USA

Full-time

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll perform coding, debugging, testing, and troubleshooting of systems and softwa

Principal Engineer, Autonomy Interface Software

General Motors

Remote

Full-time

Job Description Remote : This role is based remotely but if you live within a 50-mile radius of Mountain View, you are expected to report to that location three times a week, at minimum. Role: The Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software in C++ on high perf

Sr Principal Systems Engineer

SNC

Lone Tree, Colorado, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer, you will be using your skills and expertise to research, architect, model, simulate, test, certify and improve cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering the

Principal Engineer (Platform Engineering)

Digital Minds Technologies Inc.

Remote

Contract

Minimum Qualifications: Bachelor s or Master s degree in Computer Science, Engineering, or a related field.10+ years of experience in cloud engineering, platform engineering, or CDN architecture.Expertise in Fastly CDN, including caching, routing, edge logic, and traffic acceleration strategies.Proven experience in AWS microservices development using Java, Spring Boot, and Node.js.Extensive experience in AWS cloud services, including EC2, ECS, EKS, Lambda, S3, API Gateway, and CloudFront.Strong

Principal Software Engineer - Java

Ledgent Technology

Louisville, Colorado, USA

Full-time

Principal Software Engineer - Java Location: Louisville, Colorado (Hybrid - One day onsite weekly) Salary: $150,000 - $180,000 + Bonus (based on experience) Type: Full-Time, Direct Hire Are you ready to lead the design and delivery of cutting-edge software solutions? Join a high-performing team where innovation, collaboration, and technical excellence drive everything we do. We're looking for a Principal Software Engineer with deep Java expertise to take ownership of mission-critical applica

Principal Software Engineer - 25k Sign On - TS/SCI/Poly

Leidos

Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Fle

Principal Software Engineer - Java

Ledgent Technology

Louisville, Colorado, USA

Full-time

Principal Software Engineer - Java Location: Louisville, Colorado (Hybrid - One day onsite weekly) Salary: $150,000 - $180,000 + Bonus (based on experience) Type: Full-Time, Direct Hire Are you ready to lead the design and delivery of cutting-edge software solutions? Join a high-performing team where innovation, collaboration, and technical excellence drive everything we do. We're looking for a Principal Software Engineer with deep Java expertise to take ownership of mission-critical applicati

Principal Software Engineer - 25k Sign on Bonus

Leidos

Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Fle

IT Cybersecurity Principal Engineer Application Security

Commonspirit Health

Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Principal Engineer, AI Infrastructure

DigitalOcean

Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. As a Bare

Principal Engineer, Data

Verint Systems Inc

Remote

Full-time

Job Description At Verint, we believe customer engagement is the core of every global brand. Our mission is to help organizations elevate Customer Experience (CX) and increase workforce productivity by delivering CX Automation. We hire innovators with the passion, creativity, and drive to answer constantly shifting market challenges and deliver impactful results for our customers. Our commitment to attracting and retaining a talented, diverse, and engaged team creates a collaborative environmen

Principal Engineer - Smart TV Applications

Harman International

Texas, 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 Join our team as a Principal Smart TV Application Developer and help us build innovative streaming applications

Sr. Principal Engineer, R&D

Johnson & Johnson

Remote or Raritan, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Principal Software Engineer (GPU Infrastructure)

DigitalOcean

Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. As a Bare

Principal Engineer, CoCounsel Application

Thomson Reuters U.S. Inc.

Remote or Eagan, Minnesota, USA

Full-time

Principal Engineer, CoCounsel Application Want to shape the future of AI in legal practice? Join Thomson Reuters as a Principal Engineer and drive innovation for CoCounsel, the leading AI Assistant for legal professionals. At Thomson Reuters, we're revolutionizing legal work through our CoCounsel Platform. As Principal Engineer for CoCounsel Application, you'll partner with the Sr. Director for CoCounsel Application to define and execute the technical vision for our generative AI products, ensur

Principal Java Software Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: CO106: 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, Aurora, CO, 80011 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: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help ou

Principal Software Engineer

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, Aurora, CO, 80011 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: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help o

Senior Principal Solution Train Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-23 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 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: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling -

Principal Systems Engineer - Space Network Management Product Owner

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-25 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 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: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling -

Principal Systems Engineer - C2 Product Manager

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-18 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 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: TS/SCI without Polygraph We have an exciting opportunity for a Principal Systems Engineer - Product Manager supporting o