377 Computer Science Information Technology jobs in Leesburg,VA

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Information Technology Professional (IT Support)

US Navy

Herndon, VA 20171

Manufacturing Technician-CNC Programmer

Phoenix Mecano

Jefferson, MD 21755

New, Posted 2 hours ago

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Senior Associate, Software Engineering 1 1

L3Harris Technologies

Chantilly, VA 20151

~ 32 min OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or related STEM field and relevant experience; or equivalent combination of education and experience.
Strong troubleshooting and debugging skills
Ability to work effectively in a mission-focused team environment
Active Top Secret Clearance with SCI or SCI eligibility

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Hvac Service Tech

HVAC Precision Services

Gaithersburg, MD 20879

$60,000-$100,000/yr

$5,000 bonus

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Data Scientist

Vantor

Reston, VA 20190

$113,000-$188,000/yr

~ 31 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

Current/active TS/SCI security clearance and be willing and able to obtain CI polygraph.
5 years of professional experience in data science, analytics, or data engineering roles.
Bachelor's degree in data science, computer science, engineering, statistics, GIS, or related discipline. Degree may be substituted with an additional 2 yrs of experience.
Strong coding proficiency in Python and SQL, with experience writing production-quality, maintainable code; working knowledge of R is a plus.
Hands-on experience with data manipulation, feature engineering, machine learning libraries (e.g., scikit-learn, PyTorch, TensorFlow), and automation tools.
Experience contributing to full-cycle data projects, including data preparation, modeling, validation, and reporting.
Ability to clearly communicate technical concepts and analytical results in writing and verbally.
Familiarity with NLP and LLM concepts, including practical experience applying pre-trained models (e.g., GPT-style models) for automation, summarization, or search.
Ability to work effectively in a collaborative environment, taking direction and feedback while owning assigned technical tasks.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.
To be eligible for thisposition, you must be a U.S. Citizen.
Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

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Installation Technician III

Securitas Technology

Ashburn, VA 20147

~ 18 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

MUST HOLD a minimum of 5+ years of experience installing and/or servicing intrusion, fire alarm, access control, and CCTV security systems.
3 Video Certifications and 2 Access Control Certifications
High School Diploma or equivalent
A valid state driver's license, without restrictions, is required.
Climb ladders that extend up to 24 ft. in height
Carry items up to 75 pounds

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New, Posted 1 day ago

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Field Risk Specialist

Datascan Technologies, LLC

Rockville, MD 20847

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Lead Assembler/Break Fix Technician

SAIC

Sterling, VA 20164

~ 20 min Onsite

Basic knowledge of AC & DC fundamentals.
Prior assembly experience or an electrical/electronics background is essential.
Ability to safely use hand tools and some basic power tools for specified tasks.
Ability to stand on their feet for up to 8 hours a day.
Ability to lift 50 pounds.
Be able to consistently follow directions to complete assembly or configuration tasks.
Bachelor's and 2 years of related experience. Will consider candidates with additional years of experience in lieu of a degree.
Current holder of a DHS Public Trust clearance or the ability to obtain one.

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Information Systems Technician

US Navy

Leesburg, VA 20176

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Technical Writer/Editor

CACI International Inc

Chantilly, VA 20152

~ 32 min Onsite

Active TS/SCI Clearance with Polygraph
1-3 years of Tech Writing experience
Bachelor's Degree in English, Communications, or Information Technology or equivalent years of experience
Extensive knowledge of English grammar with a familiarity with a standard style guide
Extensive knowledge of MS Word, and PowerPoint and the desire to learn SharePoint
Ability to communicate information in a clear and concise manner with all members of management regarding work in progress and any potential problems
Excellent organizational and time management skills with the ability to prioritize and manage several projects simultaneously
Ability to foresee problems and make decisions to avoid conflicts in work requests
Excellent written and verbal communication skills with a minimum of five years related experience; or equivalent combination of education and experience in the performance of duties as described
Be able to understand, define and present potential procedure conflicts to output or inputs from other procedures

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