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248 Python Developer jobs in Leesburg,VA

New, Posted 14 hours ago

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Lead Data Scientist [207573]

Aquent Talent

Leesburg, VA

RemoteHealth InsurancePaid Time OffRetirement Benefit

Expert proficiency in SQL, Python, and advanced data analysis/data mining tools.
2+ years of demonstrated leadership experience in the development of AI/ML systems.
Hands-on experience with leading machine learning frameworks such as Pytorch, Jax, LangChain, LangGraph, or AutoGen.
Proven track record with high-performance, large-scale ML systems.
Solid understanding and experience with symbolic planning, causal reasoning, and model-based reinforcement learning.
Expertise in large-scale ETL processes.
Deep experience in language modeling, particularly with transformer architectures.
Master's Degree combined with 4+ years of experience in research/ML engineering or an applied research scientist role, ideally focused on production-ready AI solutions.

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Test Engineer

BOOZ, ALLEN & HAMILTON

Mc Lean, VA 22107

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Experience with naval combat systems
Ability to read and validate technical specifications, drawings, and test procedures
Clearance: Top Secret clearance is required
Ability to define, develop, maintain, and execute large-scale system test plans and overarching T&E; strategy documents, including Test and Evaluation Strategy ( TES ) , Test and Evaluation Master Plans ( TEMP ) , System Integration Test Plans ( SITP ) , Enterprise Verification Plans ( EVP ) , Verification Cross Reference Matrices ( VCRM ) , and Requirements Verification Files ( RVFs )
Experience developing fully integrated test architectures in collaboration with stakeholders and guided implementation of these designs
Ability to develop test strategies, plans, reports, and briefings, and participate in test execution, verification, or analysis
Bachelor's degree
5+ years of experience with acceptance test activities such as Site Acceptance Tests ( SAT ) and Factory Acceptance Tests ( FAT )
Top Secret clearance
5+ years of experience supporting Navy developmental test and evaluation ( T & E ) activities and system-level integration of complex multi-domain systems in support of a Program Management Office or warfare center

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Payload Processing Systems Engineer

QinetiQ

Chantilly, VA 20152

~ 32 min Onsite

TS/SCI with CI Poly; #qinetiqclearedjob
10 years minimum relevant experience
5 years minimum relevant NRO experience
Masters degree in STEM field

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Principal Hardware Engineer-Hybrid/Remote North East US

Curtiss-Wright

Ashburn, VA 20147

$144,100-$190,000/yr

RemotePaid Time OffRetirement Benefit

This position may require exposure to export-controlled information and subject to additional security screening. In the event information provided during the security screening reveals ineligibility to access export-controlled information, any offer of employment may be reconsidered or withdrawn.
US Citizenship required
Proficient in designing high-density interconnect (HDI) PCBs with 26+ layers, Mult lamination, blind/buried vias, and uVia structures.
Hands-on experience with Siemens Expedition DX Designer (SCH) and Siemens Expedition PCB tools.
Lead the design and development of 3U and 6U VPX SBC, FPGA, switch, and I/O cards supporting data rates up to 400 GHz.
Bachelor's degree in Electrical Engineering required
Lead the design and development of custom form-factor systems that include SBC, FPGA, switch, and I/O cards, and power supplies and thermal management elements including Liquid-Flow-Through (LFT) methods.
Minimum 15 years of experience in DoD embedded systems and hardware design (SBC, FPGA, switch, and I/O cards up to 100 GHz)

SmartExplore AI is experimental.

New, Posted 18 hours ago

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Expert Computer Scientist - Quality Assurance Framework (QAF) Accreditation

Peraton

Herndon, VA 20170

~ 27 min Onsite

Excellent communication, analytical, and problem-solving skills.
US Citizenship is required to hold this clearance.
Expertise in algorithm development, data structures, and software development practices.
Active TS/SCI
Strong analytical and critical thinking skills to interpret complex data and draw meaningful conclusions.
Capacity to adapt to changing situations to prioritize tasks effectively.
Experienced with intelligence databases, software, and analytical tools.
Ability to work collaboratively with users and stakeholders.
Master's degree in a relevant field, such as Computer Science, with a minimum of 20 years of work experience.
Experienced in advanced analytics, machine learning, and data integration methodologies.
Experienced in utilization of the Quality Assurance Framework and standards.
The ability to obtain a CI Poly

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Network Problem Management Quality Assurance Analyst

CACI International Inc

Sterling, VA 20164

~ 20 min Onsite

Outstanding communication and reporting skills
Good working knowledge of the Service Management workflows and ITSM processes
Strong leadership and team collaboration abilities
ITIL V3 or 4 certification and training
Bachelor's degree in Computer Science, Information Technology, or equivalent work experience
5+ years of experience in network operations, quality assurance, or related roles
Experience with quality assurance methodologies and auditing processes
TS/SCI with Poly required
Knowledge of network technologies and protocols
Excellent analytical and problem-solving skills
Proficiency in ITSM tools and data analysis software
Experience with major ITSM platforms (e.g., ServiceNow, BMC Remedy)

SmartExplore AI is experimental.

New, Posted 1 day ago

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Data Center Controls Engineer, Data Center Capacity Delivery - Controls

Amazon Data Services

Ashburn, VA 20147

$98,700/yr

~ 18 min Onsite

3\. A minimum of two (2) years in Controls or Electrical construction project coordination with multiple teams or vendors to meet project requirements.
1\. B.S. in Electrical, Mechanical, or other related engineering degrees as well as 3+ years Controls related experience; or Associates degree and 5 years of Controls related experience; or High School diploma with 8 years of Controls related experience
2\. Experience with industrial controls in critical environment (data center, pharmaceutical, manufacturing, oil & gas, petrochemical, laboratory, power, water etc.).

SmartExplore AI is experimental.

New, Posted 1 day ago

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Quality Assurance Specialist (SW Applications)

BAE Systems

Reston, VA 20191

~ 31 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Experience in automating T&E; plans
8 years of experience conducting analysis relevant to the specific labor category, with a portion of the experience within the last 2 years
Bachelor's degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education
Experienced with SW development and testing, UI/UX development, development and execution of test and evaluation (T&E;) plans

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Quality Assurance Specialist - QMS & Compliance

Merck Group

Rockville, MD 20849

$76,500-$122,600/yr

~ 56 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bachelor's Degree in Biology, Chemistry, Engineering, or other scientific field with 4+ years' experience in Quality Assrance within a GxP environment.
1+ years' experience with conducting client and/or supplier audits in a Quality Assurance role.
1+ years' experience in conducting and/or reviewing root cause analysis and CAPA for deviations and out-of-specification (OOS) results in a Quality Assurance role

SmartExplore AI is experimental.

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