780 Principal Software Engineer Science jobs in Brandywine,MD

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Mid-to-Senior Software Developer

SimVentions, Inc - Glassdoor✪ 4.6 - Waldorf, MD

Mid-to-Senior Software Developer

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Mid-to-Senior Software Developer

SimVentions, Inc - Glassdoor✪ 4.6

La Plata, MD 20646

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Computer Scientist

BOOZ, ALLEN & HAMILTON

Washington, DC 20011

RemoteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

8+ years of experience correlating complex technical findings into graphical, written, visual, and verbal narrative products
5+ years of experience with object-oriented programming (OOP) and functional programming to build modular and scalable testing libraries
Experience with CI/CD pipelines, including AI or ML validation
Experience with building and evaluating outputs and performance of advanced analytics, particularly LLMs and/or agentic AI
Experience working on classified networks in support of DoD or IC clients
Ability to work independently with minimal oversight and direction
Ability to visualize complex data and concepts for non-technical leadership, highlighting system risks and "go or no-go" criteria clearly
Active TS/SCI clearance; willingness to take a polygraph exam
Bachelor's degree and 8+ years of experience with scientific techniques such as mathematics, statistics, information science, AI, machine learning, probability modeling, data mining, data engineering, or data warehousing, or 12+ years of experience with scientific techniques such as mathematics, statistics, information science, AI, machine learning, probability modeling, data mining, data engineering, or data warehousing in lieu of a degree

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Principal Optical Engineer

QinetiQ

Lorton, VA 22079

~ 50 min Onsite

Bachelor's degree in optical engineering or related field
15+ years of experience in optical design and related fields relevant to the position responsibilities, including strong prior experience working in the defense or aerospace industry
Experience in laboratory environments including expertise with opto-mechanical assembly, alignment tools, optical bore sighting, laboratory testing
Design experience incorporating HD visible sensors, SWIR, MWIR, LWIR sensors with optical assemblies (including fixed focus and zoom configurations) and into higher-level systems
Experience modeling visible, SWIR, MWIR and LWIR sensor systems to predict system performance for detection, recognition and identification of objects
Knowledgeable in techniques and specifications for Optical Image Stabilization (OIS) and Fast Steering Mirrors (FSM)
Experience in specifying displays, especially near-eye displays for systems such as sights, binoculars, and AR/VR systems
Experience designing and modeling lenses and other optical components in Zemax
A solid knowledge of relevant optical component suppliers
Up 10% travel to support project needs, including to QinetiQ sites, customer sites, military installations, and other locations
Must have active Secret or higher level clearance #QinetiQClearedJob

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Systems Engineer

BOOZ, ALLEN & HAMILTON

Arlington, VA 22204

Urgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

3+ years of experience with engineering on a DoD, national security-related, or Aerospace program
Ability to work independently and in teams
Secret clearance
Bachelor's degree in an Engineering, Science, or Technology field
Secret clearance is required

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AI & Analytics Solutions Engineer

Trident Maritime Systems

Arlington, VA 22204

Paid Relocation to Arlington, VA

Remote

Bachelor's degree in Computer Science, Engineering, Data Science, Mathematics, or a related technical field
3–5+ years of experience building and deploying machine learning or AI systems
Eligible to work within government tenants (GCC, GCCH) and with FEDRAMP compliant solutions
Certifications in MS Azure, Dev Ops, Analytics, and AI

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AI & Analytics Solutions Engineer

Trident Maritime Systems

Arlington, VA 22202

~ 50 min Onsite

Bachelor's degree in Computer Science, Engineering, Data Science, Mathematics, or a related technical field
3-5+ years of experience building and deploying machine learning or AI systems
Eligibility to work within government tenants (GCC, GCCH) and with FEDRAMP compliant solutions
Certifications in MS Azure, Dev Ops, Analytics, and AI
Strong programming skills in Python and SQL
Experience with machine learning model development, including supervised, unsupervised, and deep learning techniques
Familiarity with cloud platforms (e.g. Azure) and GPU-accelerated computing
Experience integrating AI models with enterprise systems, APIs, or edge devices
Experience with M365 Copilot deployment and Copilot Studio
Experience using Microsoft's Power Platform (Power Automate, Power BI, etc.)
Hands-on experience with ML Ops tools (ML flow, Kubeflow, Airflow, Docker, Kubernetes, CI/CD pipelines)
Strong understanding of data structures, algorithms, and software engineering best practices
Strong problem-solving mindset and curiosity
Ability to translate ambiguous business needs into technical solutions
Comfortable working in fast-paced, iterative environments
Clear communication with both technical and nontechnical stakeholders
Understanding of AI governance, model monitoring, and responsible AI practices
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions
All Trident Maritime Systems employees are encouraged to be fully vaccinated against COVID-19

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Engineer, Systems IV

Orbis

Washington, DC 20011

~ 43 min Onsite

Must be a U.S. citizen
A secret security clearance
Typical Education: Master's level degree in an Engineering discipline.
10 years of professional experience in systems engineering.

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Appian Developer

Cherokee Federal

Washington, DC 20036

~ 43 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Experience: 10 years (related)
BA/BS in Computer Science, Computer Engineering, or a technical or related field (or equivalent)
Active Secret clearance, or the ability to obtain a Secret clearance, required.
Must pass pre-employment qualifications of Cherokee Federal.
U.S. Citizenship is required.
Must be a US Citizen.
BA/BS with concentration in computer science, computer engineering, or a technical or related field.
Appian Certified Lead Developer certification or comparable.
Three+ years of experience in successful software delivery or software development using Appian technologies and tools or comparable.
Master's degree can be substituted as 4 years of experience.
10 years of related experience.
Familiarity with web services, FTP, Java Messaging System (JMS), and other web integration technologies.
Background in user experience, UI design, or Hyperconverged Infrastructure (HCI).

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Senior Human System Integration Engineer - Clearance Required

Cydecor

Washington, DC 20011

~ 43 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

10+ years of experience
Relevant Human Systems Integration (HSI) engineering experience related R&D;, T&E;, and systems acquisition programs.
BS Degree from ABET recognized engineering curriculum OR BS Degree in physical science, engineering, or mathematics that includes 24 semester hours in physical science and/ or related engineering science such as mechanics, dynamics, properties of materials, and electronics.
Ability to analyze designs through review of design artifacts
Ability to perform quantitative analyses
Ability to work on a multi-disciplinary team consisting of systems engineers, electrical and electronics engineers, acquisition professionals, and logistics and sustainment professionals to achieve program outcomes
Interim or Active Top Secret clearance

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