Computer Science jobs in Ashburn, VA

Internships in Computer Science or Software Engineering

McLean, Virginia

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Today

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver in

Full-time

USD 46,500.00 - 58,000.00 per year

Associate, Scoring Service - Dance, History, Music, Technology Engineering and Digital Literacy & Computer Science

Remote

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Today

Job Description We are the world's learning company with more than 24,000 employees operating in 70 countries. We combine world-class educational content and assessment, powered by services and technology, to enable more effective teaching and personalized learning at scale. We believe that wherever learning flourishes so do people. Evaluation Systems of Pearson offers dynamic teacher licensing and performance assessment solutions. Our custom teacher licensure testing programs are 100 percent

Part-time

USD 17.50 per hour

Associate, Scoring Service - Dance, History, Music, Technology Engineering and Digital Literacy & Computer Science

Remote

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Today

We are the world's learning company with more than 24,000 employees operating in 70 countries. We combine world-class educational content and assessment, powered by services and technology, to enable more effective teaching and personalized learning at scale. We believe that wherever learning flourishes so do people. Evaluation Systems of Pearson offers dynamic teacher licensing and performance assessment solutions. Our custom teacher licensure testing programs are 100 percent aligned to state s

Part-time

USD 17.50 per hour

Business Analyst

Reston, Virginia

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Today

Company DescriptionTechSurSolutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency.Based in the DC metropolitan area,TechSurspecializes in advanced cloud services, modernization for both ITstructuresand applications, leveraging Agile development, and Data Analytics.Since we were formed inAugust of2016,we have supported multiple impactful and excitinggovernment programs. Job DescriptionJob Responsibilities Elici

Full-time

Depends on Experience

Software Test Engineer (hybrid)

Hybrid in North Bethesda, Maryland

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Today

Software Test Engineer Rockville, MD hybrid (2 days a week onsite) $75-80K This role works as part of the technical test engineering team and will be focused on testing enterprise and informatics software systems to support cancer trials and research. This role provides strong career growth opportunities in an innovative technology environment working in one of our nations premiere research organizations. Responsibilities: As an individual contributor, prioritize and complete testing tasks o

Easy Apply

Full-time

$80000

ETL Software Engineer, Mid

McLean, Virginia

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21d ago

ETL Software Engineer (Mid) Remote - EST or CST times zones 6 Months Responsibilities:Provide program design, coding, testing, and production implementation of ETL/EDI data exchanges.Assist in researching and documenting user requirements and system specifications.Design and develop complex program logic addressing specific programming needs.Maintain, adapt, and update existing systems to meet user requirements and enhance program efficiency.Translate solutions provided by system designers into

Easy Apply

Contract, Third Party

$45 - $50

iOS Developer

Merrifield, Virginia

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9d ago

Title: iOS Developer Location: Merrifield,VA Employment Type: Contract Compensation: Pay Range;$76.00-$86.00 Per Hr Description Join a dynamic team to develop, maintain, and enhance mobile banking applications across platforms. This is a hybrid contract role requiring collaboration with cross-functional teams to deliver secure and user-friendly digital experiences. Candidates should have experience with mobile development and be familiar with Agile methodologies. Key Responsibilities Design,

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Contract, Third Party

$76 - $86

Sr. ServiceNow Developer - CSM

Hybrid in Reston, Virginia

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12d ago

Senior ServiceNow Developer (CSM) Location: Reston, VA (Hybrid) Duration: 9-Month Contract Employment Type: W2 Compensation: $83.33 Overview We are seeking a Senior ServiceNow Developer with strong experience in Customer Service Management (CSM) to support the development and enhancement of enterprise ServiceNow applications. This role focuses on building and improving customer-facing solutions, Service Portals, integrations, and custom workflows within a complex ServiceNow environment serving

Easy Apply

Contract

$83.33

Agile System Engineer III

Chantilly, Virginia

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Today

Overview VTG is looking for an Agile System Engineer in Chantilly, VA. Agile System Engineer provides technical leadership for systems engineering activities across Agile teams, ensuring mission alignment, architectural integrity, and delivery discipline. What will you do? Lead end to end systems engineering activities within Agile delivery frameworksDefine and manage system level requirements, dependencies, and technical risksGuide decomposition of complex mission needs into scalable Agile

Full-time

Regression Tester

Hybrid in Vienna, Virginia

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Today

Job Title: Regression Tester Location: Vienna, VA Type: Contract Work Model: Hybrid Responsibilities Perform complete regression tests of new and existing systems (legacy and vendor) functions on software when new or modified functions are introduced.Conduct functional tests to ensure the software is working properly, that they interface correctly with other systems and that appropriate reports are generated.Create and edit test cases in accordance with system requirements.Determine function pro

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Contract

Depends on Experience

Senior Full Stack Engineer

Hybrid in Reston, Virginia

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20d ago

Job Title: Senior Full Stack Engineer Location: Reston, Utah Type: Permanent Full Time Work Model: Hybrid onsite and remote Responsibilities Develop and execute end-to-end performance tests, analyze application behavior, and identify bottlenecks across integrated systems, microservices, databases, and AWS services.Investigate performance issues beyond the testing layer, determine root causes, and recommend or implement appropriate remediation.Tune and refactor Java applications, optimize Postg

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Full-time

Depends on Experience

Senior Software Engineer - TS/SCI w CI Poly

Herndon, Virginia

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Today

TITLE: Sr. Software Engineer LOCATION: Herndon, VA CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Sr. Software Engineer to design, develop, and integrate software solutions within secure on-premises and cloud-based environments in support of national intelligence missions. In this role, you will apply your expertise in C/C++ and Python development to build and integrate mission-critical c

Full-time

USD 150,000.00 - 180,000.00 per year

Site Reliability Engineer (DevOps)

Reston, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 111,800.00 - 221,800.00 per year

Mid-Level Backend Software Engineer

Gaithersburg, Maryland

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28d ago

Job Title: Mid-Level Backend Software Engineer-TS/SCI Location: Gaithersburg, MD Type: Contract To Hire Compensation: Work Model: Onsite Hours: 40.0 Security Clearance: Top Secret/SCI Overview Active TS/SCI Security Clearance requiredwith the ability to successfully pass a Polygraph Responsibilities Design, develop, test, and maintain backend application components using Java or Python Develop and maintain RESTful services to support application functionality and system integrations Apply objec

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Contract

$60

iOS Developer

Hybrid in Merrifield, Virginia

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14d ago

Job Title: iOS Developer Location: Vienna, VA Type: Contract Work Model: Hybrid onsite and remote Responsibilities Design, develop, and maintain mobile banking features for iOS and/or Android platforms Resolve production issues and contribute to platform stability and performance improvements Collaborate with cross-functional Agile teams including front-end, back-end, and product stakeholders Participate in Agile ceremonies and contribute to sprint planning and backlog refinement Ensure ad

Easy Apply

Contract

Depends on Experience

AI/ML Security Specialist

Leesburg, Virginia

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Today

Full-time

USD 94,000.00 - 187,600.00 per year

IT Project Manager

Leesburg, Virginia

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Today

Full-time

USD 88,100.00 - 178,200.00 per year

Mid-Level Systems Engineer

Chantilly, Virginia

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Today

Job ID: 2617804 Location: Chantilly, VA, US Date Posted: 2026-10-12 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an experienced Systems Engineer with a strong background in system engineering design and integration. In this role you will play a critical role in providing

Full-time

USD 140,001.00 - 180,000.00 per year

AI Engineer (Agentic AI) - Secret cleared

Arlington, Virginia

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Today

Full-time

USD 89,000.00 - 170,200.00 per year

Agile System Engineer I

Chantilly, Virginia

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Today

Overview VTG is looking for an Agile System Engineer in Chantilly, VA. The Agile System Engineer I supports system engineering activities within an Agile delivery environment, assisting with requirements development, backlog grooming, and integration planning under senior supervision. What will you do? Support decomposition of mission and system requirements into Agile epics, features, and user storiesAssist with requirements traceability (e.g., RTM) across backlog items, design artifacts, and

Full-time

Computer Science jobs in Ashburn, VA, USA