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

Cyber Threat Engineer

Hybrid in Merrifield, Virginia

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8d ago

Job Title: Cyber Threat Engineer Location: Vienna, VA Type: Contract Work Model: Hybrid Rate: 70-80/hr W2 Responsibilities Develop and maintain tools, scripts, and automated workflows that enable TIER threat-hunting and intelligence operations. Build repeatable processes for collecting, ingesting, enriching, transforming, and operationalizing threat intelligence data. Develop, test, document, and maintain YARA rules and supporting detection processes. Create Python-based utilities and script au

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Contract

Depends on Experience

Project Manager

Chantilly, Virginia

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20d ago

Job Title: Cybersecurity Technical Project Manager, Zero Trust Location: Pentagon, Arlington, VA Type: Direct Hire Work Model: Onsite Security Clearance: Active Top Secret clearance with SCI eligibility/access required Overview Seeking a senior Cybersecurity Technical Project Manager to support enterprise cybersecurity modernization and Zero Trust initiatives in a classified DoW environment. This position will evaluate modernization requirements, assess proposed technical solutions, and help pr

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Full-time

Depends on Experience

Calypso Business Systems Analyst

Reston, Virginia

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6d ago

Job Title: Calypso Business Systems Analyst Duration: Full Time / Permanent Position Location : Reston, VA Work Mode: 5 Days Onsite Position Description Systemone is seeking a Calypso Business Systems Analyst to support a capital markets platform, with a focus on collateral and margin processing. This hands on, functionally focused role will configure Calypso, translate business requirements into application settings, and support production processing. Your future duties and responsibilities Y

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Full-time

Depends on Experience

Software Test Engineer (hybrid)

Hybrid in North Bethesda, Maryland

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22d ago

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

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Full-time

$80000

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

Software Integration and Test Engineer

Germantown, Maryland

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Today

Title: Software Integration and Test Engineer Location: Germantown, MD (100% Onsite) Type: Contract-to-Hire (6 months) | 40 hours/week Work Authorization: OK (no sponsorship) No C2C W2 Only Job Summary: System One is seeking a Software Integration and Test Engineer to support integration and automated testing of complex, real-time Linux-based applications. This position focuses on building/maintaining automation, running tests through CI/CD, and troubleshooting networked application behavio

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Contract

$100

Sr. ServiceNow Developer - CSM

Hybrid in Reston, Virginia

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3d 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

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Contract

$83.33

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

Network Engineer

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 89,000.00 - 170,200.00 per year

Front-End Software Engineer

Reston, Virginia

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Today

Security clearance: Ability to obtain and maintain a DoD Secret clearance required. We are seeking a talented Front-End Software Engineer with a strong computer science and designbackground for complex and challenging projects. As a front-end developer you will be responsible for designing and implementing front end web applications for simulation and optimization software that incorporates probabilistic models of physical systems. Project teams range from 2 to 20 people and include a mix of Res

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Full-time

150000 - 170000

Data Engineer

Fort Belvoir, Virginia

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Yesterday

Job Title: Data Engineer Location: Fort Belvoir, Virginia Type: Contract To Hire Work Model: Onsite Responsibilities Own the architecture and implementation of scalable data pipelines and data products.Integrate and transform data from multiple Army and enterprise sources.Develop data models and ontology that support applications, reporting, and analysis.Design for data quality, lineage, security, observability, and long-term maintainability.Establish engineering standards for testing, source co

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Contract

Depends on Experience

Regression Tester

Hybrid in Vienna, Virginia

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9d ago

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

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Contract

Depends on Experience

AI/ML Security Specialist

Ashburn, Virginia

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Today

Full-time

USD 94,000.00 - 187,600.00 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

SDET - Automation Test Engineer

Hybrid in Reston, Virginia

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7d ago

SDET - Automation Test Engineer Location: Hybrid (Mostly Remote) Duration: 9-Month Contract Job Summary We are seeking an experienced SDET (Software Development Engineer in Test) / Automation Test Engineer to support a large-scale Claims Reporting project. This role will focus on designing, developing, and executing automated testing solutions while collaborating with cross-functional teams to ensure software quality, reliability, and performance in an enterprise environment. Key Responsibili

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Contract

$75.76

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

Cyber Threat Analyst

Reston, Virginia

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Yesterday

Company DescriptionTechSur Solutions is a growing federal IT services company delivering technology solutions to government customers. We are committed to building a collaborative, high-performing workplace where employees feel supported, engaged, and empowered to succeed. Job DescriptionJob Description We are seeking a skilled Cyber Threat Analyst to support the judiciarys Technology Security Operations (TSO). The selected candidate will be responsible for planning, developing, and implementin

Full-time

Depends on Experience

Computer science jobs in Ashburn, VA, USA