31 Results for

Principal Jobs in Library, PA

Jobs

West Mifflin, PA30 days ago

$117,900–$184,300 Per Year

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. As a Principal Software Developer on the CAPS Project, the qualifying individual will need to be able to directly mentor and oversee multiple software engineers and nuclear engineers in designing, developing, testing, verifying, and maintaining engineering applications and programs using modern computing architectures.

West Mifflin, PA30+ days ago

$117,900–$184,300 Per Year

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.

New!

West Mifflin, PA2 days ago

$106,200–$166,000 Per Year

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 9 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 7 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering, science field and a minimum of 3 years of relevant experience; or Currently a Principal Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston.

Coraopolis, PA13 days ago

$118,800–$132,000

We are seeking a skilled and motivated Electrical Engineer with a strong background in high voltage transmission power, substation design, data center primary power infrastructure, on-site power generation and distribution, as well as solar photovoltaic (PV) and battery storage systems. The ideal candidate will be responsible for designing, implementing, and maintaining reliable power solutions that support critical infrastructure and advanced energy systems.

Pittsburgh, PA8 days ago

The ideal candidate operates as a trusted proxy-managing details independently, protecting the principal's time, and preventing problems before they surface. Act as a proxy decision-maker on routine and sensitive matters, escalating only what truly requires principal involvement.

Pittsburgh, PA30+ days ago

Full-time

Proficient in Revit, AutoCAD Civil 3D, Microstation/InRoads, and/or Hydrologic and Hydraulic Software Packages to be used for Site Layout, Grading, Utility, and Storm Water Management Plan design and/or other discipline-specific programs preferred. Being 100% employee-owned directly impacts our culture: it drives our decision-making, motivates our teams, increases our productivity, improves retention, and contributes to the future success of our company.

Monroeville, Pennsylvania22 days ago

Develop governance workflows, enable data-driven decision-making, facilitate risk mitigation, and document technical processes, lessons learned, and configurations to ensure long-term sustainability and knowledge sharing within a digital-first organization. Accelerate the company's digital transformation objectives by supporting user adoption and satisfaction through structured training sessions, interactive workshops, and robust support resources that maximize system usability and effectiveness.

Monroeville, Pennsylvania16 days ago

The Principal Engineer (Electrical) works autonomously to perform advanced, complex critical technical functions with an emphasis in project management to execute BPMI's mission in areas including but not limited to preparation of system performance and test specifications, verification and approval of supplier designs, engineering follow through manufacturing, test, and installation, resolution of fielded equipment problems, and extensive communications with customer and supplier personnel. Play key role in technical negotiations with suppliers; conduct production reviews and quality surveillance; review and approve supplier designs and supporting technical reports on assigned components and equipment; develop and implement methods to improve supplier performance.

Monroeville, Pennsylvania30+ days ago

Responsibilities: We are seeking a highly experienced Senior Principal Digital Engineer to join our team supporting the modernization of Digital Engineering (DE) and Model-Based Systems Engineering (MBSE) for Naval Nuclear Laboratory (NNL) programs in either the Albany, NY OR the West Mifflin PA area. Master’s Degree in technical or scientific field with at least 8 years of recent and relevant Digital Engineering/Systems Engineering experience OR Bachelor’s Degree in technical or scientific field with at least 10 years of recent and relevant Digital Engineering/Systems Engineering experience.

New!

Pittsburgh, PA3 days ago

Duties may include but are not limited to; general geotechnical engineering practice including the preparation of geotechnical reports/calculation, technical support of field staff, review of construction inspection daily field reports, and occasional project site field visits related to the projects you are involved in. Candidate will work with our geotechnical and materials testing/inspections departments and be responsible for a wide variety of projects for public and private sector clients.

Cranberry Township, Pennsylvania30+ days ago

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). Bachelor of Science in any of the following: Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, or Geology; Note: Construction Management degrees and certain Technology degrees may not be considered.

Canonsburg, PA30+ days ago

Working knowledge of Databricks and the Databricks ecosystem, including Lakehouse architecture, PySpark, Databricks SQL, notebooks, workflows/jobs, querying, and Unity Catalog. Remote work is being considered for this role excluding the following states: California, Connecticut, Delaware, Illinois, Indiana, Louisiana, Massachusetts, Michigan, New Jersey, New York, and Tennessee.

Pittsburgh, PA7 days ago

$200,300–$293,810 Per Year

Its charter is to identify high-value opportunities where AI can materially improve service delivery efficiency, analyst productivity, consistency, quality, scalability, and customer outcomes, then drive those opportunities from problem discovery through prototype validation, operational adoption, and transition into durable capabilities or differentiated offerings. The Services organization is creating a Principal Product Manager, Applied AI & Agentic Solutions role to lead the identification, incubation, and scaling of AI-enabled capabilities across how Proofpoint delivers services and how Services teams operate internally.

Cranberry Township, Pennsylvania30+ days ago

Warrendale, PA15 days ago

Mitsubishi Electric Power Products, Inc. (MEPPI) is seeking a Principal Project Engineer to provide technical consultation and leadership as well as performing all essential functions of a lead project engineer or supporting project engineer for multiple substation project orders. Individually and through other project engineers, design, develop and implement all engineering facets of substation projects including but not limited to, equipment design, outside contractor involvement, assembly and testing.

Warrendale, PA30+ days ago

Remote

Mitsubishi Electric Power Products, Inc. (MEPPI) is seeking a Principal System Design Engineer – FACTS & HVDC to provide technical leadership and innovation in FACTS (Flexible AC Transmission Systems) and HVDC (High Voltage Direct Current) solutions. Lead Cutting-Edge Design: Oversee and drive advanced design studies for FACTS and HVDC systems, tackling challenges like harmonic filter design, loss calculations, noise analysis, and control performance.

Pittsburgh, PA30+ days ago

2. Lead cross-functional teams of research scientists, product managers, technical program managers(TPMs), and engineering leaders to define, architect, and deliver complex, multi-disciplinary systems. Meta is seeking a Principal Systems Engineer to provide technical vision and leadership for R&D and systems strategy across next-generation VR and Wearables products, including Realistic Avatars, Input, and Health.

Pittsburgh, PA30+ days ago

You will work across the full ML lifecycle — from research and model architecture through training, deployment, and production monitoring — with a focus on delivering measurable improvements to detection, segmentation, and OCR accuracy across our drone and MHE Vision products. This role is ideal for a senior ML practitioner who wants principal-level impact on a core product, a variety of deployment targets (cloud, on-prem, embedded), and real-world data with tangible business outcomes.

Pittsburgh, PA30+ days ago

Possess specific, in-depth knowledge of hardware implementation and integration challenges for both active robotic components (e.g., actuators, controllers) and passive sensing modalities (e.g., RGB cameras, depth cameras). As a Principal Systems Engineer at Gather AI you will be a technical leader, driving the development and integration of cutting-edge autonomous and passive sensing systems, bridging the gap between product vision, complex system requirements, hardware implementation, and real-world performance.

Pittsburgh, PA25 days ago

Remote

Part-time

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Lead the development, evolution, and maintenance of a real-time or near-real-time core enterprise data set that Maximus employees and leadership consume and contribute to daily-ensuring it is complete, correct, relevant, timely, and actionable.

Warrendale, PA30+ days ago

Remote

Mitsubishi Electric Power Products, Inc. (MEPPI) is seeking a Principal Sales Engineer - FACTS & HVDC to provide sales leadership for FACTS & HVDC solutions by leading business development, sales, and customer support processes within the Substation Division. Bachelor�s degree in engineering or equivalent technical degree with a minimum of 10 years of sales experience in electrical equipment or related fields, or equivalent education and experience.

Freedom, PA21 days ago

Develop Safety Documentation: Create, review, and maintain safety analyses and reports, including preliminary hazard analysis (PHAs), system hazard analysis (SHAs), subsystem hazard analysis (SSHAs), interface hazard analysis (IHAs), Functional Safety Analyses, and safety cases. MEPPI�s Transportation Systems Division is seeking a highly experienced Principal CBTC System Safety Engineer to lead the safety management and compliance of Communications-Based Train Control (CBTC) railway signaling systems.

Pittsburgh, Pennsylvania30+ days ago

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our civil infrastructure, environment and natural resources. Our land development civil engineers are actively engaged in complicated, challenging site development projects for industrial, municipal, and commercial clients that have local to national footprints.

New!

Cranberry Township, PA2 days ago

$116,800–$146,000 Per Year

Windows and Linux platforms; Network, Storage, and Backup domains; VMware, Azure, and Kubernetes; automation/orchestration with Morpheus, Ansible, Terraform; CI/CD enablement with Jenkins and Azure DevOps; scripting with PowerShell and Python; and workflow tooling including Power Automate. Develop and maintain solutions using PowerShell, Power Automate, Python, Ansible, Terraform, Morpheus, and similar tools.

Shippingport, PA30 days ago

Full-time

One of the primary functions of the Design Engineering team is to develop modification packages and review any changes to the station to ensure all associated design and licensing requirements remain met and configuration control is maintained. A Design Engineering Electrical/Instrumentation & Control engineer is responsible for changes to the plant’s electrical systems, in addition to maintaining the station’s electrical analyses and calculations.

Warrendale, PA30+ days ago

Remote

Mitsubishi Electric Power Products, Inc. (MEPPI) is seeking a Principal System Design Engineer � FACTS & HVDC to provide technical leadership and innovation in FACTS (Flexible AC Transmission Systems) and HVDC (High Voltage Direct Current) solutions. Lead Cutting-Edge Design: Oversee and drive advanced design studies for FACTS and HVDC systems, tackling challenges like harmonic filter design, loss calculations, noise analysis, and control performance.

Warrendale, PA30+ days ago

Pittsburgh (Moon Township), Pennsylvania30+ days ago

We have a variety of Employee Resource Groups, including CEC Community – focused on giving back to the communities in which we work; CEC Ignite – focused on helping professionals early in their careers to develop their pathway; CEC iDEA – focused on inclusion, diversity, equality, and acceptance; and CEC Women – focused on creating internal and external opportunities for women to network and leverage professional experience! We also understand the importance of reaching beyond the office and giving back to the community—CEC employees volunteer for trail workdays to enhance local parks, maintain a CEC-designed pollinator garden for our office campus, and organize an annual charity golf tournament.

Pittsburgh, PA30+ days ago

6+ years of experience and understanding of various regulatory requirements and laws such as, but not limited to, Payment Card Industry (PCI), Federal Financial Institutions Examination Council (FFIEC), Sarbanes-Oxley (SOX), Health Information Portability and Accountability Act (HIPAA), General Data Protection Regulation (GDPR) and Gramm-Leach-Bliley Act (GLBA). Eight Years of IAM Experience of any of the following combined: Experience delivering and sustaining cloud IAM lifecycle holistically throughout the enterprise including in AWS, Azure, and GCP.

Warrendale, Pennsylvania30+ days ago

Pittsburgh, PA27 days ago

Remote

Full-time

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Define and enforce test strategies for data migrations, including unit testing, data reconciliation testing, performance testing, and business validation.

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Principal Jobs in Library, PA

Jobs

Principal Software DeveloperNaval Nuclear Laboratory

Electrical Systems and Controls Engineer (Principal)Naval Nuclear Laboratory

Principal Materials Engineer - Nondestructive TestingNaval Nuclear Laboratory

Principal Electrical Engineer- CESConstellation Energy

Personal Assistant to PrincipalLaurel Real Estate

Highway Principal EngineerLarson Design Group

Principal Information Technology (IT) SpecialistBechtel Plant Machinery

Principal Electrical EngineerBechtel Plant Machinery

Senior Principal Digital EngineerArcfield

Principal Geotechnical/CMT EngineerHillis-Carnes

Associate Principal, Construction Materials Testing (CMT)ECS Ltd

Data Scientist III/Sr/PrincipalEQT Corporation

Principal Product Manager, Applied AI & Agentic Services SolutionsProofpoint

Principal Geotechnical Engineer, Construction Materials Testing (CMT)ECS Ltd

Principal Project EngineerMitsubishi Electric Power Products, Inc.

Principal System Design Engineer FACTS & HVDCMitsubishi Electric Power Products, Inc.

Principal Systems EngineerMeta

Principal Machine Learning ScientistGather AI

Principal Robotics Systems EngineerGather AI

Senior Principal Enterprise ArchitectMaximus

Principal Sales Engineer - FACTS & HVDCMitsubishi Electronic Power Products

Principal CBTC System Safety EngineerMitsubishi Electronic Power Products

Principal Civil EngineerGeosyntec Consultants, Inc.

Senior Principal DevOps Orchestration Lead, Infrastructure & OperationsWestinghouse Electric - USA

Principal Engineer - DesignVistra Nuclear Operations Company

Principal System Design Engineer FACTS & HVDCMitsubishi Electronic Power Products

Principal Project EngineerMitsubishi Electronic Power Products

Civil Engineering Principal - $15,000 Sign-On BonusCivil & Environmental Consultants, Inc.

IAM Cybersecurity Engineer - PrincipalHuntington

Principal Electrical Engineer- CESConstellation Energy Generation, LLC.

IT Principal Data Architect - ( Data Migration )Maximus

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