principal software developer Jobs

Refine Results
4,521 - 4,540 of 4,773 Jobs

Lead Information Systems Cyber Engineer

The MITRE Corporation

•

McLean, Virginia, USA

Full-time

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting im
Posted 50 days ago | Updated 3 hours ago

Regional Transmission Planning Engineer (Staff to Consulting level)

American Electric Power

•

Columbus, Ohio, USA

Full-time

Job Posting End Date 08-11-2025 Please note the job posting will close on the day before the posting end date. Job Summary We are seeking a motivated and detail-oriented Transmission Planning Engineer to join our Regional Planning / Competitive Planning group. This role supports long-term transmission system planning, competitive project development, and regulatory compliance in coordination with Regional Transmission Organizations (RTOs) such as PJM, MISO, SPP, and ERCOT. The successful candid
Posted 55 days ago | Updated 3 hours ago

Lead Protection and Control Engineer 1 - Grid

Sargent & Lundy LLC.

•

Phoenix, Arizona, USA

Full-time

Description This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for distribution and high voltage substations. As a Lead Protection & Control Engineer you will primarily review the work of others. That work will typically consist primarily of protection and control schematics and wiring drawings for a wide range of substation modifications and upgrades to support client requirements. You will be responsible for reviewing protect
Posted 14 hours ago | Updated 3 hours ago

Senior Plant Engineer

GE Vernova

•

Remote

Full-time

Job Description Summary The Senior Plant Engineer is the plant engineering representative at the launch of all projects and will control the technical execution of the project through closeout. The Sr Plant Engineer is accountable to lead other engineers to define plant solutions & tools and to support proposal tender offerings and project execution. The Senior Plant Engineer will also serve as technical mentor resolving conflicts and certifying finished engineering products as proper and correc
Posted 20 days ago | Updated 3 hours ago

Level 3 Aerospace Composite NDT Engineer

General Dynamics

•

Marion, Virginia, USA

Full-time

Basic Qualifications Requires a bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 10+ years of job-related experience, or a master's degree plus 8 years of job-related experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable amount of time after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified i
Posted 60+ days ago | Updated 3 hours ago

Engineer, II - Sr Lead

Entergy

•

Russellville, Arkansas, USA

Full-time

JOB SUMMARY/PURPOSE Design Engineering is the design authority and owner of the design bases. Fire Protection, which resides in the Central Programs Engineering Department, is responsible for maintaining fire protection design control and providing technical support to the plant in the area of fire protection. Design integrity of the Fire Protection program is maintained through effective configuration control of design output documents (i.e., specifications, calculations, drawings, test requir
Posted 34 days ago | Updated 3 hours ago

Section Lead / Sr Manager System Engineer

RTX Corporation

•

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-22 Country: United States of America Location: MA133: Tewksbury, Ma Bldg 3 Concord 50 Apple Hill Drive Concord - Building 3, Tewksbury, MA, 01876 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t
Posted 2 days ago | Updated 3 hours ago

Staff Optical System Design Engineer

KLA

•

Milpitas, California, USA

Full-time

Company Overview KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel d
Posted 53 days ago | Updated 3 hours ago

Package Development, Signal Integrity and Power Integrity Engineer, Staff

Marvell Semiconductor Inc.

•

Santa Clara, California, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be
Posted 19 days ago | Updated 3 hours ago

Science and Engineering Lead

Aerospace Corporation

•

Johnson, Texas, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 55 days ago | Updated 3 hours ago

Senior/ Lead Java Developer with Gen AI Copilot / AI Code Generator Experience

Synechron

•

Phoenix, Arizona, USA

Full-time, Third Party

We are At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development in
Easy Apply
Posted 60+ days ago | Updated 7 hours ago

Sr Field Service Engineer Team Lead

Scientific Research Corporation

•

Atlanta, Georgia, USA

Full-time

Description Managing the daily activities of the technician team in priorities of various assignments and tasksMonitoring the status of tasks and keeping the Program Manager informed of the progressEnsuring that quality goals are adhered toPerforming administrative duties as requiredActing as company contact in the field with the customer and contractor personnel, exercising a high degree of tact, diplomacy, and mature judgment, conforming to company policy directionsPlanning, preparing, and co
Posted 56 days ago | Updated 3 hours ago

Seeking a Lead .Net Developer - Level 3 Developer - Albany, NY (hybrid) Local Only

NodeLogix

•

Albany, New York, USA

Contract, Third Party

Duration: Multi Years Location: Albany, NY (hybrid) Local Only Rate: $Doe We are seeking applicants to occupy the position of Level 3 Developer to join our client located in Albany, NY. This role is Hybrid (50%) and is a long term contract, 19 months. Key Responsibilities: Responsibilities will include: Translation of the business requirement and use cases to develop enterprise applications and unit testing of same. Work with the technical leads and architects to transform the high-
Easy Apply
Posted 60+ days ago | Updated 4 days ago

Engineer (Substation)

Entergy

•

New Orleans, Louisiana, USA

Full-time

Work Place Flexibility: Virtual Legal Entity: Entergy Services, LLC This posting is for a potential future opening(s) with Entergy. This posting is to build a candidate pool, should the opening(s) become available. Job Summary/Purpose This position acts in a lead capacity among peers within a department in a technical discipline, short of a supervisor, but with responsibilities of some level of coordination and/or review. This position works in conjunction with other engineering disciplines and
Posted 53 days ago | Updated 3 hours ago

Engineer, (Transmission Line Design)

Entergy

•

New Orleans, Louisiana, USA

Full-time

Work Place Flexibility: Hybrid Legal Entity: Entergy Services, LLC This posting is for a potential future opening(s) with Entergy. This posting is to build a candidate pool, should the opening(s) become available. Job Summary/Purpose This position acts in a lead capacity among peers within a department in a technical discipline, short of a supervisor, but with responsibilities of some level of coordination and/or review. This position works in conjunction with other engineering disciplines and
Posted 53 days ago | Updated 3 hours ago

Staff Cell Engineer, Cell Development

Tesla Motors

•

Palo Alto, California, USA

Full-time

Tesla's Cell Engineering team is looking for a highly motivated, experienced engineer to lead the cross-functional design and validation of new battery cell designs. This role would serve as the technical project leader, driving efforts both within Tesla and with the external cell manufacturer. You will use your engineering expertise to collaborate with subject matter experts across Cell Engineering, Product Design, Manufacturing, and Supply Chain to accelerate new technologies from lab to prod
Posted 60+ days ago | Updated 3 hours ago

Technical Lead - Embedded Systems Security Engineer

Harris Corporation

•

Camden, New Jersey, 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 8 days ago | Updated 3 hours ago

Lead/Senior Full Stack Engineer (Node & React) with AI/ML

iSpace, Inc

•

Remote

Contract

Only on W2, NO C2C/1099 Title: Lead Full Stack Engineer (Node & React) with AI/ML Position type: 12+ Months contract to start (could go for over 1-2 years) Location: Remote Top Skills: Node. JS, React, State Management, MySQL, AWS, Docker, Kubernetes, Open AI/Chat GPT, lead experience with both onshore and offshore. Qualifications: 7+ years of experience building complex web applications.Solid work experience using component-based development on the client side.Proficiency with front-end techn
Easy Apply
Posted 60+ days ago | Updated 8 hours ago

Acoustics and Vibrations Research and Development Engineer (Staff)

Penn State

•

State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em
Posted 60+ days ago | Updated 3 hours ago

RF Engineer, Staff (Level IV) - Top Secret clearance

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solut
Posted 26 days ago | Updated 3 hours ago