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

Lead Data Scientist

Hybrid in Reston, Virginia

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Yesterday

Job Title: Lead Data Scientist Location: Reston, VA Type: Contract Contractor Work Model: Hybrid onsite and remote Responsibilities Lead proliferation of machine learning and artificial intelligence solutions throughout the enterprise to address business challengesIdentify and solve complex business problems using advanced numerical techniques, algorithms, and models in statistical modeling, machine learning, operations research, and data miningUtilize advanced analytical capabilities to suppor

Easy Apply

Contract

$100

Mid-Level Data Scientist

Hybrid in Merrifield, Virginia

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Yesterday

Job Title: Mid-Level Data Scientist Location: Vienna, VA Type: Contract Compensation: Hybrid onsite and remote Responsibilities Collaborate with senior data scientists and leaders to design and implement predictive models and custom solutions that enhance our digital offerings. Partner with business units to gather requirements, understand customer needs, and develop data science solutions that address specific business challenges. Write efficient code in Python and SQL to manipulate and ana

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Contract

Depends on Experience

Lead AI Engineer (MLX, Agentic AI, Gen AI platform Services)

McLean, Virginia

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Today

Lead AI Engineer (MLX, Agentic AI, Gen AI platform Services) Overview At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent ? along with our deep experience in machine learning ? position us to be at the forefront of enterprises leveraging AI. From inform

Full-time

Computer Engineer

Chantilly, Virginia

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Today

Battelle delivers when others can't. We conduct research and development, manage national laboratories, design and manufacture products and deliver critical services for our clients-whether they are a multi-national corporation, a small start-up or a government agency. We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply. Job Summary At Battelle, your expertise in national security

Full-time

USD 115,000.00 - 160,000.00 per year

IT Tester

Merrifield, Virginia

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Today

Title: IT Tester Location: Merrifield, VA Employment Type: Contract Compensation: Pay Range$65.00-$75.00 Per Hr Description Join our dynamic IT team as a Tester, working remotely on a contract basis. Your role will involve creating and executing test plans, analyzing results, and collaborating with cross-functional teams. You'll utilize various testing tools and databases to ensure quality in our systems. This position requires strong analytical and communication skills, as well as experience

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Contract, Third Party

$65 - $75

Summer 2027 Internship Program - IT Audit Internship

Alexandria, Virginia

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Today

Kearney & Company is seeking students pursuing their BA/BS degree in Accounting, Information Systems, Accounting and Information Systems, Computer Science, Information Technology, and/or Business Administration with a concentration in Accounting for our Summer Internship Program. The Kearney & Company Summer Internship Program offers a dynamic experience which includes teamwork on federal client sites (depending on the assignment), the opportunity to contribute to and learn about the workplace,

Full-time

USD 18.00 - 28.00 per hour

Senior .Net Application Developer (Secret clearance)

Reston, Virginia

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2d ago

Senior .Net Developer Arlington, VA or Merrifield, VA - ONSITE Secret Clearance is required to start Must be able to obtain DEA clearance 2-6 month process Responsibilities: Works in a collaborative team environment to develop and enhance code for applications built within the Concorde framework, ensuring high-quality and efficient solutions. Demonstrates strong expertise in Agile development methodologies through daily activities, including sprint participation, task execution, and adherenc

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Contract

Depends on Experience

Lead Java Backend Engineer - AWS Cloud Migration

Hybrid in Reston, Virginia

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8d ago

Lead Software Engineer Location: Reston, VA (Hybrid) Duration: Contract through end of year (extension possible) Candidates must reside in the DMV area. OverviewWe are seeking a Senior Java Backend Developer to support a major AWS cloud migration initiative. This role is ideal for an experienced engineer with deep expertise in Java, Spring Framework, Microservices, AWS Migration, and enterprise-level backend development. The selected candidate will play a key role in designing, developing, and

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Contract

$88.64

Mission Integration Engineer

Chantilly, Virginia

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Today

Job ID: 2615185 Location: Chantilly, VA, US Date Posted: 2026-08-03 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 a Mission Integration Engineer to provide SETA support to SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporti

Full-time

USD 160,001.00 - 200,000.00 per year

Lead AWS Cloud Platform Engineer - IaC / SRE – Preferred CNAPP / Fortinet / AWS Clean Room

Hybrid in Reston, Virginia

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Yesterday

Job Title: Lead AWS Cloud Platform Engineer (6 mos +) Location: Reston, VA Type: Contract Compensation: $109 Work Model: Hybrid onsite and remote Responsibilities Define, design, and develop system requirements for cloud platform solutions on AWS.Perform trade-off analysis of performance, lifecycle cost, risk, and producibility to optimize system architecture.Assess hardware limitations, define system specifications, and evaluate input/output processes for hardware/software compatibility.Coordi

Easy Apply

Contract

$109.05

Programmer – Network Security Engineering

Merrifield, Virginia

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Yesterday

Title: Programmer Network Security Engineering Location: Merrifield, VA Employment Type: Contract Compensation: Pay Range$65.00 Per Hr Description Join our Cybersecurity Technology Services team as a Programmer with a focus on security configuration management and cloud security platforms. This remote contract role involves developing automation and integrations to enhance security across various environments. You will work with APIs, data pipelines, and automation tools to support security

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Contract, Third Party

$65 - $65

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

Software Engineer (Top Secret clearance required)

Reston, Virginia

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Today

Software Engineer Simulation, Optimization & Decision Support Join a team building mission-critical software that turns complex technical concepts into tools decision-makers actually rely on. You ll work across the full stack from backend services to the interfaces that make sophisticated simulations and optimization models usable and across the full lifecycle, from early prototyping through deployment. We re a small, collaborative group where engineers own real problems end to end. If you like

Easy Apply

Full-time

Depends on Experience

Platform Engineer

Arlington, Virginia

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Today

Full-time

USD 135,200.00 - 278,500.00 per year

Security Data Engineer

Herndon, Virginia

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Today

MANTECH seeks a motivated, career and customer-oriented Security Data Engineer to join our team in Herndon, VA. in this role you are responsible for building and maintaining enterprise data feeds that power network and security intelligence platforms. In this role, you will integrate data from multiple vendor APIs, create robust ETL pipelines, and leverage AI to handle complex data extraction and normalization challenges. Responsibilities include, but are not limited to: Design and maintain ent

Full-time

High-Performance Computing Engineer

McLean, Virginia

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Today

Overview iota IT, a subsidiary of VTG, is seeking a High-Performance Computing Engineer in McLean, VA. What will you do? The highly skilled High Performance Computing Engineer to design, implement, and maintain advanced computing solutions in support of mission-critical operations.The ideal candidate will bring deep technical expertise in large-scale HPC environments, cluster management, GPU computing, and high-speed networking. Do you have what it takes? Active Top Secret/Sensitive Compartm

Full-time

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

Modeling, Simulation and Analysis Engineer (Senior-Level) - #889

Chantilly, Virginia

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Today

Modeling, Simulation and Analysis Engineer (Senior-Level) - #889 Location: Springfield, VA or Chantilly, VA Clearance: Active TS/SCI Required Overall Assignment Description: Senior-level Modeling, Simulation and Analysis (MS&A) Engineers guide and conduct modeling, simulation and analysis activities in support of business stakeholders, analysts, and warfighters to define and analyze system and data requirements to support NGA business and mission processes to ensure timely and accurate GEOINT

Full-time

RF Systems Engineer

Chantilly, Virginia

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Today

Job ID: 2614944 Location: Chantilly, VA, US Date Posted: 2026-07-30 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description Description SAIC is looking for a Radio Frequency (RF) Systems Engineer to provide management and outreach support to the government customer RF Program M

Full-time

USD 120,001.00 - 160,000.00 per year

Computer science jobs in Ashburn, VA, USA