1,206 Results for

Principal Engineer Jobs in Linthicum Heights, MD

Jobs

Senior Principal Digital Hardware Engineer Northrop Grumman Corp

Baltimore, MD

$149,300–$223,900 / year

We strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The Senior Principal Digital Hardware Engineer is a core member of the Hardware Engineering team responsible for designing, modeling, analyzing, and testing digital circuit card assemblies.

8 days ago

Special Projects Group Principal Geotechnical Engineer - Transportation ECS Ltd

Hanover, Maryland

$125,000–$200,000 / year

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2026) and #38 in Zweig Group’s Hot Firm List (June 2026). Primary responsibilities include pursuit and execution of geotechnical projects in the transportation sector in the northern Mid-Atlantic region , including highway, bridge, and rai l .

15 days ago

Principal ScienceLogic Skylar 1/SL1 Engineer Leidos

Odenton, Maryland

The position requires an engineer capable of building the monitoring platform from the ground up , understanding how SL1 components communicate across a segmented classified network, working with Azure and network engineering teams to establish the required infrastructure, and delivering a secure, supportable platform that can be transitioned to operations. The successful candidate will serve as a primary technical engineer for implementation of the Skylar 1 (formerly SL1) platform, including deployment of the core Skylar 1/database infrastructure within a Microsoft Azure cloud environment and distributed Skylar 1 Data Collectors across multiple geographically separated sites.

11 days ago

Principal DevOps Engineer Leidos

Bethesda, Maryland

$131,300–$237,350 / year

Additionally, this role will help automate and streamline operations and processes; as well as build and maintain tools for deployment, monitoring and operations, and troubleshoot and resolve issues in dev, test, and production environments. 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.

30+ days ago

Northrop Grumman (SkillBridge) - I&T Systems / Principal I&T Systems Engineer Northrop Grumman Corp

Baltimore, MD

$87,600–$131,400 / year

The Engineering & Sciences organization is looking for you to join our team as an I&T Systems Engineer OR Principal I&T Systems Engineer supporting Integration and Test efforts in the G/ATOR program family, based out of our portfolio in the Multidomain Sensing, Targeting and Survivability (MSTS) Division. This program provides comprehensive hands-on experience including professional development, networking with leadership, and training specifically focused on NG leadership principles, company history, customer/stakeholder engagement, product and service overview, and core job responsibilities.

8 days ago

Principal Test Engineer Leidos

Bethesda, Maryland

$131,300–$237,350 / year

Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets. 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.

30+ days ago

Principal Integration Engineer SPM Leidos

Bethesda, Maryland

The SPM tracks the team's work to the completion of all deliverables accepted into a PI; coordinates with team members and customer sets to ensure stories have all the information needed to complete the work and that all necessary stories are created; and coordinate / socialize production changes and brief appropriate boards for deployment approval. Provide systems engineering and integration support to the government for the integration of newly developed Capabilities targeted for Integration test and operational environments and develop and deliver the processes to perform integration, staging, and release management for these Capabilities.

30+ days ago

Principal Elasticsearch Systems Engineer Leidos

Bethesda, Maryland

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. January 20, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

30+ days ago

Principal Senior Electrical Engineer, Facility Medium Voltage Systems BAE Systems Plc

Washington, DC

$118,095–$200,762 / year

Position Description and Responsibilities: This senior electrical engineering position will assist in military construction (MILCON) project development, concept power feeder designs, code compliance reviews, constructability reviews and ensuring SSP unique facility related requirements are incorporated into the electrical portion of various design phases of the MILCON projects. Additional skills/experience required: Professional experience of electrical power systems of medium voltage systems, substations, switchgear and transformers for at least 15 kV equipment, facility grounding systems, mast and catenary lightning protection systems, site emergency power systems.

9 days ago

Principal Senior Mechanical Engineer, Facility Systems BAE Systems Plc

Washington, DC

$118,095–$200,762 / year

LI-HybridRequired Education, Experience, & Skills Education and years of related/relevant professional work experience required: Bachelor of Science Degree in Mechanical Engineering from an ABET Accredited program ant at least six years of related/relevant professional work experience or OR equivalent education and related facility mechanical experience required. This senior mechanical will support the Navy Program Manager responsible for Strategic Systems Planning (SSP) Facilities Acquisition at TRIDENT Submarine Bases, primarily at Kings Bay, Georgia and Bangor, Washington, in developing the assigned projects from concept to operational stage.

9 days ago

Principal RF/Digital/Power Test Engineer 4th Shift Northrop Grumman Corp

Baltimore, MD

$108,800–$163,200 / year

Basic Qualifications Principal RF/Digital/Power Test Engineer (Level 3): Bachelor''s degree in Electrical Engineering or related STEM field and a minimum of 5 years of relevant experience; or a Master''s degree in Electrical Engineering or related STEM field and a minimum of 3 years of experience. Activities range from hands-on testing and troubleshooting; to analysis of failure trends, root cause/ corrective actions; and attending program meetings to report yields, problems, and corrective actions.

9 days ago

Principal Hardware Software Engineer Leidos

Annapolis Junction, Maryland

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.

21 days ago

Principal Software Engineer - 25k Sign on Bonus Leidos

Annapolis Junction, Maryland

This is an exciting opportunity to help transform a traditional Java application into a modern architecture utilizing Spring Boot, Angular, Docker, Kubernetes, RESTful APIs, relational databases, and modern DevSecOps practices . 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.

21 days ago

Principal Network Security Engineer Leidos

Odenton, Maryland

The successful candidate serves as a technical leader and subject matter expert — assessing the current security architecture, defining the controls and segmentation model the enterprise needs, building practical implementation plans with realistic risk and rollback provisions, and directing a team of engineers to deliver them under aggressive timelines. Duties include providing specifications for network security architecture, evaluating and recommending new technologies to enhance current capabilities, performing needs assessments, and directing the installation, configuration, testing, and tuning of network security infrastructure.

22 days ago

Sr. Principal Mission Engineer Clarity Innovations LLC

Columbia, MD

$100,000–$330,000 / year

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Kubernetes & Workload Integration: Troubleshoot and maintain localized Kubernetes clusters (managed or CAPI-provisioned), ensuring proper integration with ingress API gateways, Cilium network fabrics, and local container registries.

30+ days ago

Principal Information Security Engineer Clarity Innovations LLC

Fort Meade, MD

$117,000–$292,000 / year

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Maintain communication with project engineers on the implementation of security controls and policy enforcement turning Risk Management Framework security controls into technical requirements for delivery by software and platform engineers.

30+ days ago

Principal Systems Engineer - Thread Lead (TS/SCI with Polygraph required) Red Alpha

Annapolis Junction, Maryland

$190,000–$250,000 / year

Our total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. A Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university OR 5 years of additional systems engineering experience may be substituted for a bachelor’s degree .

30+ days ago

Senior Principal Software Engineer Nightwing Intelligence Solutions

Annapolis Junction, Maryland

This is not a role for those who chase trends; We want an industry leader who understands the nuances of network protocols, distributed systems, and the subtle art of writing code that remains stable and maintainable for years. About the Role: As a Senior Software Developer specializing in Software Defined Networking, you will be responsible for designing and implementing mission-critical SDN infrastructure that demands reliability, performance, and maintainability.

30+ days ago

Principal Software Development Engineer MasterCard

Arlington, VA

$195,000–$323,000 / year

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Proven ability to sell solutions, persuade cross-functional group, garner support for solutions and bring group to a consensus and strong ability in collection and formulation of data, development of Metrics and dashboard reporting.

23 days ago

Principal Network Engineer Leidos

McLean, Virginia

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. October 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

16 days ago

See More Jobs

Browse All Principal Engineer Locations

Browse Jobs Near Linthicum Heights, MD

Get noticed by top employers!

Upload your resume to let employers know you're open to Principal Engineer job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Principal Engineer Jobs in Linthicum Heights, MD

Senior Principal Digital Hardware Engineer Northrop Grumman Corp

Special Projects Group Principal Geotechnical Engineer - Transportation ECS Ltd

Principal ScienceLogic Skylar 1/SL1 Engineer Leidos

Principal DevOps Engineer Leidos

Northrop Grumman (SkillBridge) - I&T Systems / Principal I&T Systems Engineer Northrop Grumman Corp

Principal Test Engineer Leidos

Principal Integration Engineer SPM Leidos

Principal Elasticsearch Systems Engineer Leidos

Principal Senior Electrical Engineer, Facility Medium Voltage Systems BAE Systems Plc

Principal Senior Mechanical Engineer, Facility Systems BAE Systems Plc

Principal RF/Digital/Power Test Engineer 4th Shift Northrop Grumman Corp

Principal Hardware Software Engineer Leidos

Principal Software Engineer - 25k Sign on Bonus Leidos

Principal Network Security Engineer Leidos

Sr. Principal Mission Engineer Clarity Innovations LLC

Principal Information Security Engineer Clarity Innovations LLC

Principal Systems Engineer - Thread Lead (TS/SCI with Polygraph required) Red Alpha

Senior Principal Software Engineer Nightwing Intelligence Solutions

Principal Software Development Engineer MasterCard

Principal Network Engineer Leidos

Similar Job Searches

See More Jobs