Critical thinking jobs in Arlington, VA 22203, USA

398 results (6 new)

Systems Engineer Manager

Springfield, Virginia

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Today

Job ID: 2615710 Location: Springfield, VA, US Date Posted: 2026-08-15 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an executive-level Senior Systems Engineer and Program Management Advisor to join an exciting program in Springfield VA, supporting

Full-time

USD 160,001.00 - 200,000.00 per year

Senior Systems Engineer

Washington, District of Columbia

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Today

Job ID: 2614861 Location: Washington Navy Yard, DC, US Date Posted: 2026-08-20 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Systems Engineer to act as an Acquisition Specialist in Washington, DC. This position is supporting a major system acquisitio

Full-time

USD 120,001.00 - 160,000.00 per year

ETL Developer / Data Engineer

Reston, Virginia

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4d ago

Data Engineer Location: Reston, VA - must be able to go into the Reston based office a minimum of 1 time per week Ready to make a difference? We're looking for an ETL / SSIS Developer who enjoys collaborating with coworkers and wants to help automate data delivery to various systems and their users. You'll support a team delivering data solutions across a diverse portfolio of utility and energy clients. You'll have opportunities to work on a variety of projects while continuing to build your te

Full-time

USD 81,147.00 - 137,949.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Washington, District of Columbia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Washington, District of Columbia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Springfield, Virginia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Annandale, Virginia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Mount Rainier, Maryland

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Oxon Hill, Maryland

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Fairfax, Virginia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Temple Hills, Maryland

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Fort Belvoir, Virginia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Washington, District of Columbia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Bladensburg, Maryland

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

Space Nuclear Monitoring Specialist - Senior Technical Advisor

Alexandria, Virginia

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Today

Description Must have an active DOE Q clearance with ability to obtain SCI. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required. Leidos is seeking a highly experienced and motivated Space Nuclear Monitoring Specialist to serve as a Senior Technical Advisor. This critical role directly supports our nonproliferation mission by leveraging deep technical expertise in space-based remote nuclear detection. The ideal candi

Full-time

USD 180,000.00 - 190,000.00 per year

ETL Developer / Data Engineer

Reston, Virginia

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Today

Data Engineer Location: Reston, VA - must be able to go into the Reston based office a minimum of 1 time per week Ready to make a difference? We're looking for an ETL / SSIS Developer who enjoys collaborating with coworkers and wants to help automate data delivery to various systems and their users. You'll support a team delivering data solutions across a diverse portfolio of utility and energy clients. You'll have opportunities to work on a variety of projects while continuing to build your t

Full-time

USD 81,147.00 - 137,949.00 per year

Reston, Virginia

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Today

Requisition ID: 3818Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Cyber Analyst to support intelligence analysis related to cyber-relevant national security issues. This role contributes to all-source analytic production by evaluating complex information, integrating reporting from multiple sources, and suppo

Full-time

Systems Engineer Technical Advisor Level 1

McLean, Virginia

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Today

*This position is for a contract pending award* Required Skills:Active TS/SCI clearance and polygraph requiredBachelor's degree OR at least 4 years of experience relevant to a technical function Ability to develop well documented, actionable, measurable, testable, traceable requirements supporting Sponsor development activitiesDemonstrated experience in applying critical thinking to analyzing technical projects and programs to identify technical risks that may impact successful delivery of a de

Full-time

Systems Engineer Technical Advisor Level 2

McLean, Virginia

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Today

*This position is for a contract pending award* Required Skills:Active TS/SCI clearance and polygraph requiredBachelor's degree plus three (3) years of experience OR at least 7 years of experience relevant to a technical function Ability to develop well documented, actionable, measurable, testable, traceable requirements supporting Sponsor development activitiesDemonstrated successful experience in applying critical thinking in analyzing Sponsor project and programs to identify technical risks

Full-time

Herndon, Virginia

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Today

Altus Consulting is seeking a talented Data Scientist to join our team and drive data-driven decision making for our clients. You will leverage your expertise in statistics, machine learning, and data analysis to extract insights from large datasets and solve complex business problems. Responsibilities: Collect, clean, and prepare data for analysis.Develop and implement machine learning models for various tasks (e.g., classification, prediction, recommendation).Analyze data to identify trends,

Full-time