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Host Jobs in Lexington, MA

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Principal Software Engineer VTG

Fort Meade, Maryland

Full time

This role supports software environments involving processing-intensive analytics, large-scale datasets, real-time systems, novel algorithm development, and business management information systems. Overview: VTG seeking a highly experienced Principal Software Engineer to design, develop, maintain, integrate, and enhance complex software systems.

30+ days ago

Principal RF Software Engineer VTG

Hanover, Maryland

Full time

Overview: As a Principal Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline.

30+ days ago

Principal Design Manager, Data Centers Iron Mountain Inc

Annapolis, MD

Remote

$163,400–$217,900 / year

Functioning as a strategic builder, you will operate with broad autonomy across regional and global teams to govern design approaches across multiple sites, shape playbooks, and advise senior leaders on technical strategy and platform capability. Advise Executive Leadership: Resolve precedent-setting, highly ambiguous technical issues while advising senior leaders on design strategy, commercial trade-offs, and long-term capability needs.

30+ days ago

SR Principal Design Checking Engineer PROLIM Global Corporation

Maryland, MD

Duties and Responsibilities include but are not limited to the following: Create accurate 3D CAD models and engineering drawings of mechanical, electro-mechanical components and assemblies in NX IAW ASME Y14.100 Engineering Drawing Practices, ASME Y14.5, Dimensioning and Tolerancing, ASME Y14.41, Digital Product Definition Data Practices, IAW Northrop Grumman Principles and Operating Practices. Basic Qualifications for a Senior Principal Design Checking Engineer: Bachelor's degree with 8 years relevant Experience; 6 Years with Masters; 4 years with PhD; an additional 4 years of experience is required in lieu of a degree.

24 days ago

Principal Software Engineer Ts/Sci Polygraph Leidos Holdings Inc.

Hanover, MD

$154,050–$278,475 / year

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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

13 days ago

Sr. / Principal Welding Process Engineer Dixon Valve

Stevensville, MD

$116,000–$156,000 / year

Design for Weldability: Provide early technical input to development teams to ensure manufacturability and prevent late-stage rework. To that end, personal information will be collected solely for those legitimate business purposes recognized by law, and then maintained in a manner consistent with all applicable laws and regulations pertaining to document retention requirements.

16 days ago

Sr. / Principal Welding Process Engineer hydrasearch company, llc

Stevensville, MD

$116,000–$156,000 / year

16 days ago

Data Scientist, Principal - AI Product Engineering Blue Cross and Blue Shield Association

Baltimore, MD

You will design, build, and ship production-grade AI products including LLM-powered applications, AI agents and copilots, retrieval-augmented generation (RAG) and search, and AI-enabled automation embedded directly into customer-facing applications and enterprise workflows such as claims, payment integrity, clinical insights, and member experience. This role focuses on rapidly developing new features and working across partner teams to deliver solutions and maximize impact, translating cutting-edge AI research into real-world products and taking features from 0 to 1.

30+ days ago

Principal Software Engineer - CTJ - TS/SCI Microsoft Corp

Annapolis Junction, MD

$142,800–$274,800 / year

You will be part of a cross-functional team of software engineers, data scientists, technical program managers, and designers who work side-by-side with high-impact and strategic customers and their engineers to build innovative solutions. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

11 days ago

Principal Technical Program Manager -CTJ - TS/SCI Microsoft Corp

Annapolis Junction, MD

$142,800–$274,800 / year

11 days ago

Principal Data Scientist - CTJ - TS/SCI Microsoft Corp

Annapolis Junction, MD

$142,800–$274,800 / year

Preferred Qualifications: Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 8+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results). Required Qualifications: Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 5+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results).

11 days ago

Principal, Program Management Excellence- Operations L3Harris Technologies Inc

$153,000–$284,000 / year

The salary range for this role in Colorado state, Connecticut, Hawaii, Illinois, Maine, Maryland, Minnesota, New York state, Cleveland Ohio, Vermont and Virginia (outside of Greater D.C. area) is $133K-$247K. The candidate must be able to lead cross-functionally with the other members of the Maritime PMX staff, operations functional partners and the sector's IPTs to drive predictable program performance.

11 days ago

Principal Software Engineer TOMORROW HIRE

Woodlawn, Maryland

Experience with Java and JEE technologies, including Struts, Spring Framework (IoC, MVC, Transactions, Security, Batch), Spring JDBC, JPA, Hibernate, DB2, Tomcat, and WebSphere. Experience with web services and security technologies, including XML, JAXP, JAXB, JAX-WS, Axis, Jersey, JSON, CXF, REST, SOAP, LTPA, and OAuth2/JWT.

2 days ago

Lead / Principal - Mechanism & Multi-Body Dynamics Engineer Stanley Black & Decker

Towson, Maryland

This role is responsible for building and validating multi-body dynamic models of mechanical systems, including drivetrains, linkages, impact mechanisms, rotating assemblies, and motion transmission systems, to improve product performance, durability, and design robustness. Join our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world’s most beloved brands, including DEWALT®, BLACK+DECKER®, CRAFTSMAN®, STANLEY®, CUB CADET®, and HUSTLER®.

2 days ago

Principal Engineer, Scada Engineering (Bess) Invenergy

Baltimore, MD

$155,000–$182,500 / year

This role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.

30+ days ago

Principal Network Access Control (NAC) Engineer Leidos Holdings Inc

Odenton, MD

$116,350–$210,325 / year

This position requires an engineer capable of modernizing enterprise wireless infrastructure, integrating centralized management platforms, improving network resiliency, and implementing secure wireless access across distributed environments. Significant hands-on experience engineering, implementing, and supporting enterprise Aruba wireless infrastructure, including controllers, access points, and centralized management platforms.

2 days ago

Principal Hardware Software Engineer Leidos Holdings Inc

Annapolis Junction, MD

$154,050–$278,475 / year

Technical Proficiency: Strong experience required for FPGA coding, Digital Signal Processing theory & application, Interfacing FPGA code with existing code bases and software; Knowledge of signal processing blocks and related DSP components, Linux OS, coding ability in C and C++. Seeking an experienced Principal HW/SW Design Engineer to join a small team to design, develop, construct, and test electronic hardware (FPGA) and software processing components for subsystems supporting RF communication and collection systems.

1 day ago

Principal, Program Management Excellence- Engineering L3Harris Technologies Inc

Millersville, MD

$153,000–$284,000 / year

To help spot these scams, remember that during our formal recruitment process, L3Harris will NOT (1) ask you for money; (2) offer to send you a check before doing any work; (3) require you to provide sensitive personal information early in the process or sensitive information about your previous employer; (4) send you emails from free commercial services (e.g. The candidate must be able to lead cross-functionally with the other members of the Maritime PMX staff, Engineering functional partners and the sector's IPTs to drive predictable program performance.

30+ days ago

Senior Principal Information Assurance Engineer (TS/SCI Clearance Required) General Dynamics Mission Systems, Inc

Annapolis Junction, Maryland

$156,728–$169,585 / year

Basic Qualifications: Bachelor's degree in Computer Science, a related field or equivalent combination of education and relevant work experience is required plus a minimum of 10 years of relevant experience; or Master's degree plus 8 years of relevant experience. Lead security planning, cost and schedule estimating, risk analysis, technical task execution, and cross-functional coordination with engineering, test, software, infrastructure, program management, customers, and cybersecurity stakeholders.

5 days ago

Sr Principal Systems Engineer (TS/SCI Required) General Dynamics Mission Systems, Inc

Annapolis Junction, Maryland

Remote

$183,371–$203,428 / year

Company Overview: General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. Basic Qualifications: Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 10 years of relevant experience; or Master's degree, plus a minimum of 8 years of relevant experience.

5 days ago

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Host Jobs in Lexington, MA

Principal Software Engineer VTG

Principal RF Software Engineer VTG

Principal Design Manager, Data Centers Iron Mountain Inc

SR Principal Design Checking Engineer PROLIM Global Corporation

Principal Software Engineer Ts/Sci Polygraph Leidos Holdings Inc.

Sr. / Principal Welding Process Engineer Dixon Valve

Sr. / Principal Welding Process Engineer hydrasearch company, llc

Data Scientist, Principal - AI Product Engineering Blue Cross and Blue Shield Association

Principal Software Engineer - CTJ - TS/SCI Microsoft Corp

Principal Technical Program Manager -CTJ - TS/SCI Microsoft Corp

Principal Data Scientist - CTJ - TS/SCI Microsoft Corp

Principal, Program Management Excellence- Operations L3Harris Technologies Inc

Principal Software Engineer TOMORROW HIRE

Lead / Principal - Mechanism & Multi-Body Dynamics Engineer Stanley Black & Decker

Principal Engineer, Scada Engineering (Bess) Invenergy

Principal Network Access Control (NAC) Engineer Leidos Holdings Inc

Principal Hardware Software Engineer Leidos Holdings Inc

Principal, Program Management Excellence- Engineering L3Harris Technologies Inc

Senior Principal Information Assurance Engineer (TS/SCI Clearance Required) General Dynamics Mission Systems, Inc

Sr Principal Systems Engineer (TS/SCI Required) General Dynamics Mission Systems, Inc

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