34 Results for

Principal Jobs in Frederick, MD

Jobs

New!

Frederick, MD2 days ago

$180,000–$250,000 Per Year

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New!

Gaithersburg, MD5 days ago

$131,300–$237,350

As part of a large-scale Scaled Agile (SAFe) software development organization, you will serve as a technical leader and strategic architect, shaping enterprise data solutions that bridge mission needs, systems engineering rigor, and modern Agile delivery. This role is ideal for a highly experienced architect who can operate at both strategic and hands-on levels, influence across teams and programs, and drive the evolution of scalable, secure, and resilient data ecosystems.

New!

Columbia, MD2 days ago

Full-time

Providing legal support to these programs will require the Principal Counsel to oversee the structure of grant programs – some of which are aimed at commercializing university research; negotiate and close grant agreements; participate in Commission meetings; help evaluate annual grant applications; and stay informed about emerging developments in regenerative medicine. The OAG also protects the public by civil enforcement of antitrust, civil rights, consumer protection, and securities laws and regulations and by the prosecution of organized crime, Medicaid fraud, environmental crimes, insurance fraud, state tax evasion, and other statutorily assigned matters.

Westminster, NH30+ days ago

Work with the Control Account Managers (CAM) and Integrated Product Team (IPT) Leads to determine resource needs to support the work . On-Site Work Environment: This position requires regular in-person engagement by working on-site three or more days each normally scheduled week in the primary work location.

Silver Spring, MD30+ days ago

Remote

Contractor

The Principal Systems Analyst ensures analytical rigor, quality, and compliance across the project life cycle and provides leadership and oversight for systems analysis activities performed in support of complex, mission-critical programs. This role is responsible for translating operational and user needs into functional requirements and integrated solutions that support the planning, development, acquisition, operation, and life-cycle management of NOAA marine, aviation, and associated mission systems.

Silver Spring, MD30+ days ago

Remote

Contractor

This role supports the planning, development, acquisition, operation, and life-cycle sustainment of NOAA marine, aviation, and associated mission systems by translating operational requirements and engineering designs into effective, compliant, and sustainable logistics and support solutions. The Principal Logistician ensures logistics considerations are fully integrated into system design and program execution, maintains quality across the project life cycle, and provides leadership and oversight to logistics and logistics analysis personnel.

Rockville, MD13 days ago

$165,000–$220,000 Per Year

7+ years of experience in the design, analysis, build, and test of space-rated metallic pressure vessels and related propulsion hardware, including: Familiarity with ANSI/AIAA S-080A, launch vehicle interfaces, and range safety requirements. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies.

Germantown, MD30+ days ago

Job Summary: We are looking for a Principal Electrical Engineer with 12+ years’ experience in design and development of Application Specific Integrated Circuits (ASIC) and micro-controller based embedded systems, specifically for battery powered medical devices. Building system architecture for sensor interface and connectivity to wearable and mobile devices using technologies such as near field communication (NFC) and Bluetooth.

Frederick, MD27 days ago

$144,800–$199,100 Per Year

Design and develop web-based applications and micro-services using both front-end and back-end technologies (full stack development), including but not limited to technical design, coding, and unit testing to generate high quality deliverables to achieve product release objectives. If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

College Park, Maryland30+ days ago

$176,000–$282,000 Per Year

Responsibilities: Peraton Labs is seeking a poly cleared Principal RF Research Scientist to lead and execute cutting-edge R&D in Radio Frequency Machine Learning (RFML), Digital Signal Processing (DSP), and/or Software Defined Radio (SDR). Leading or co-leading the technical design, development, and prototyping of RF sensing/communications solutions including detection/classification, waveform characterization, interference mitigation, spectrum situational awareness, link analysis, or related mission applications.

Leesburg, VA15 days ago

$160,000–$195,000 Per Year

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Rockville, MD16 days ago

Remote

$186,000–$225,000 Per Year

In this role, you will serve in a leadership capacity on Centers for Medicare & Medicaid Services (CMS)–funded projects, while also contributing to business development initiatives across Abt’s health policy portfolio. To be successful, you will thrive in a collaborative, team-based environment, where you will both participate in and lead major projects, direct proposal efforts, and build and sustain strong client relationships.

New!

Columbia, MDToday

Full-time

We are seeking an innovative and analytical Systems Engineer to join our research and development team focused on the future of cloud-native architectures, specifically Content Delivery Networks (CDNs). We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

New!

Columbia, MDToday

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Terraform Expertise: Proven, hands-on experience writing, deploying, and managing production-grade infrastructure using Terraform, including deep knowledge of state management and modularity.

New!

Frederick, MD1 day 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.

Sterling, Virginia23 days ago

Operating in an AI-enabled modernization environment, this leader ensures AI solutions enhance operational efficiency, strengthen system interoperability, and deliver measurable mission impact across federal programs supporting both growth (innovation, solutioning, and client pursuit support) and delivery (end-to-end implementation and operationalization). Partner with internal account teams across all Business Units to support pre-sales and sales activities by presenting AI solutions to Federal clients, including client workshops, solutioning, whiteboarding, proposal support, and technical volume contributions.

Silver Spring, MD30+ days ago

$125,000–$150,000 Per Year

_The salary ranges are the ranges United Therapeutics Corporation in good faith believes are the ranges of possible compensation for these roles at the time of this posting depending on the candidate’s experience, qualifications, geographic location, and other factors permitted by law. Whether you're an EHSS specialist in the life sciences or pharmaceutical business sectors looking to broaden your scope or a generalist aiming to deepen your knowledge and complexity of work, this opportunity is certain to provide you with the professional challenge you are seeking.

Frederick, Maryland30+ days ago

$150,000–$200,000 Per Year

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.

Columbia, Maryland30+ days ago

$170,000–$190,000 Per Year

Understanding customer requirements, demonstrating the capability to customers and stakeholders, and potentially leading a team of engineers and software developers to design and develop these simulation solutions. Twenty (20) years of experience in the design of, or analysis of sensor systems, seekers, electronic warfare systems, or weapon systems.

Columbia, MD30+ days ago

$150,000–$170,000
Full-time

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