Principal Software Developer Jobs

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Droneship Engineer, Recovery Operations (Falcon)

SpaceX

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Cape Canaveral, Florida, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. DRONESHIP ENGINEER, RECOVERY OPERATIONS (FALCON) RESPONSIBILITIES: Own droneship subsystems, with a focus on automations and controls, mission readiness, improvements, and the dispositioning of non-conformances to hel
Posted 60+ days ago | Updated 5 hours ago

Lead Area Field Engineer - Tanks

Bechtel Corporation

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Lake Charles, Louisiana, USA

Full-time

Requisition ID: 285580 Relocation Authorized: National/International - Accompanied Telework Type: Full-Time Office/Project Work Location: Lake Charles, LA Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a saf
Posted 30 days ago | Updated 5 hours ago

Staff Controls Systems Commissioning Engineer - BOP, Nuclear

PSEG

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New Jersey, USA

Full-time

Requisition: 79183 PSEG Company: PSEG Power Salary Range: $ 104,600 - $ 186,000 Work Location Category: Hybrid Fixed PSEG operates under a Flexible Work Model where flexible work is offered when job requirements allow. In support of this model, roles have been categorized into one of four work location categories: Onsite are roles that have specific onsite requirements and are typically onsite daily. Hybrid fixed are roles that are a blend of onsite work/in-person interactions with some abi
Posted 60+ days ago | Updated 5 hours ago

Senior Controls Systems Commissioning Engineer - BOP, Nuclear

PSEG

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New Jersey, USA

Full-time

Requisition: 79082 PSEG Company: PSEG Power Salary Range: $ 104,600 - $ 186,000 Work Location Category: Hybrid Fixed PSEG operates under a Flexible Work Model where flexible work is offered when job requirements allow. In support of this model, roles have been categorized into one of four work location categories: Onsite are roles that have specific onsite requirements and are typically onsite daily. Hybrid fixed are roles that are a blend of onsite work/in-person interactions with some abi
Posted 60+ days ago | Updated 5 hours ago

Condition Assessment Engineer

Black & Veatch

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Phoenix, Arizona, USA

Full-time

Together, we own our company, our future, and our shared success. As an employee-owned company, our people are Black & Veatch. We put them at the center of everything we do and empower them to grow, explore new possibilities and use their diverse talents and perspectives to solve humanity's biggest challenges in an ever-evolving world. With over 100 years of innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are build
Posted 60+ days ago | Updated 5 hours ago

Principal Cloud Security Engineer (InfoSec)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 31 days ago | Updated 5 hours ago

Principal System Safety Engineer (Onsite)

RTX Corporation

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Richardson, Texas, USA

Full-time

Date Posted: 2025-05-22 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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: DoD Clearance: Top Secret Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new ch
Posted 60+ days ago | Updated 5 hours ago

Sr Principal Architect- Hardware Engineering

JPMorgan Chase & Co.

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Jersey City, New Jersey, USA

Full-time

Job Description You're a pro who wants to influence the future of technical hardware architecture and our team is looking for people like you. As a Principal Infrastructure Engineer at JPMorgan Chase within the base compute, you have extensive knowledge of software, applications, and technical systems and processes in infrastructure engineering, complimented by advanced knowledge of other disciplines. Contribute to the development of technical methods in one specialized field or area in line wi
Posted 49 days ago | Updated 5 hours ago

Lead .Net Developer with AWS and React/Redux - Chicago, IL (only locals)

Activesoft, Inc.

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Chicago, Illinois, USA

Contract

Top 5 Skill sets 1. React/Redux/Sagas. Front End Development 2. C#/Dotnet Core. API development 3. Enterprise systems engineering 4. Microservice architecture 5. Individual excellence and team leadership in software development. Nice to have skills or certifications: 1. AWS or React Certifications 2. B.S. Computer Science 3. M.S. Software Architecture.
Easy Apply
Posted 3 days ago | Updated 2 days ago

Senior Electrical Engineer - Networks, Integration, and Automation (Portland, OR)

Burns & McDonnell

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Vancouver, Washington, USA

Full-time

Description Our Transmission & Distribution global practice is looking for an Electrical Engineer to support our Vancouver office. This person will serve as a lead engineer on telecommunications projects. You will have the opportunity at Burns & McDonnell to build your own success story, both personally and professionally. You will be empowered to build your career with a company that supports the creation of infrastructure for the largest and most complex machine humans have ever built, and whi
Posted 60+ days ago | Updated 5 hours ago

CAE Engineer Lead

DBSI Services

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Plymouth, Michigan, USA

Full-time

Role- CAE Engineer Lead Location- Plymouth MI Keyskills- Model based development, ANSA tools Responsibility: Extensive Hands-on model build experience using Ansa tool Oversee activity of external build team to ensure on time delivery of high-quality Safety, NVH, Durability and Dynamics models.Work with Attribute leads to understanding model build requirements at each project phase/virtual series loop.Define defensible timing plans for model delivery. Communicate timing to wider business -Attrib
Posted 60+ days ago | Updated 5 hours ago

Sr. Mechanical Engineer

Salas O'Brien Engineers Incorporated

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Hammond, Indiana, USA

Full-time

Independently, the Senior Engineer performs discipline responsibilities within Project and Departmental Budgets. Engineer is accountable technically and administratively to the Department Manager as well as Project Managers for successfully executing the Mechanical group's work. Engineer is expected to serve in the roles of Project Discipline Lead and Engineer of Record. Engineer is expected to execute multiple projects of different sizes simultaneously. ESSENTIAL JOB FUNCTIONS: The responsibi
Posted 60+ days ago | Updated 5 hours ago

Lead, Integration/Test Engineer

Harris Corporation

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Palm Bay, Florida, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 60+ days ago | Updated 5 hours ago

Principal System Quality 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

Staff Vehicle Structures Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 5 hours ago

Lead Substation Protection and Control Engineer

Leidos

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Remote

Full-time

Are you ready for your next career challenge? We are in search of a Lead Substation Protection and Control Engineer to join our diverse and fast-paced Substation Engineering organization. As a future leader of our substation protection and control group at Leidos, we are committed to fostering a work environment that supports your personal growth by focusing on your career objectives and your personal well-being to achieve a successful work-life balance. You will interact with other electric uti
Posted 21 days ago | Updated 5 hours ago

Senior Distribution Engineer 1 - Grid

Sargent & Lundy LLC.

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Reading, Pennsylvania, USA

Full-time

Description This position will offer you the opportunity to work in a project team environment and lead other engineers and designers using your knowledge of engineering and design practices to: Prepare/Review construction sketches and details for:Overhead and underground network services (4 kV through 34 kV)Structural analysesShort circuit and voltage drop calculationsBill of MaterialCost EstimatesTraffic control plans and/or permit drawingsWork on project teams with other engineers involved i
Posted 60+ days ago | Updated 5 hours ago

Principal Jurisdiction and Classification Engineer

RTX Corporation

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Kentucky, USA

Full-time

Date Posted: 2025-06-24 Country: United States of America Location: RKY99: RTN Remote, Kentucky Position Role Type: Remote 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the st
Posted 43 days ago | Updated 5 hours ago

Principal Antenna RF Engineer, EW

Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 35 days ago | Updated 5 hours ago

.NET Developer

URSI Technologies Inc.

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Atlanta, Georgia, USA

Full-time

Title: Sr. Lead/Developer - .NETDuration: Long term, Job Id: 20639Type: Full-time with processingLocation: Atlanta, GA (onsite - Mon to Fri)Description:We are seeking a highly skilled .NET Senior Lead / Architect to join our team and lead the design and development of a scalable platform using .NET Framework 4.x or .NET 5 and above. The successful candidate will work closely with stakeholders, developers, and DevOps engineers to ensure the microservices platform meets the business requirements a
Easy Apply
Posted 60+ days ago | Updated 8 days ago