computer science Jobs in ashburn, va

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API Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

API Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable, secure, and high-performance solutions that integrate seamlessly with various platforms and service
Posted 60+ days ago | Updated 10 hours ago

Java/J2EE Senior Developer

Apex Systems

•

McLean, Virginia, USA

Full-time

Job#: 2080244 Job Description: Position: Java/J2EE/Python Senior Developer Industry: Financial Services Location: McLean, Virginia Hours: M-F, onsite Requirements: Responsibilities: Develop and maintain Python services for model training and inference. Implement Java services to bridge communication between client callers and Python services. Conduct performance tuning and stress testing of models. Identify and resolve issues during model reconciliation processes. Address software security vul
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Posted 15 days ago | Updated 11 hours ago

Senior Data Scientist

SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2505177-CHANTILLY-VA Location: CHANTILLY, VA, US Date Posted: 2025-04-30 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Data Scientist to join our team of professionals providing technical and program services to the Space and Intelligence Group. SAIC provides research,
Posted 60+ days ago | Updated 8 hours ago

Senior Data Scientist

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2505177 Location: CHANTILLY, VA, US Date Posted: 2025-04-30 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Data Scientist to join our team of professionals providing technical and program services to the Space and Intelligence Group. SAIC provides research, engineering,
Posted 60+ days ago | Updated 8 hours ago

Data Engineer, Regulatory (Starlink)

SpaceX

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Washington, District of Columbia, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. DATA ENGINEER, REGULATORY (STARLINK) SpaceX is leveraging its experience building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the world's largest satellit
Posted 51 days ago | Updated 10 hours ago

Lead Machine Learning Engineer

Capital One

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McLean, Virginia, USA

Full-time

Lead Machine Learning Engineer As a Capital One Machine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You'll participate in the detailed technical design, development, and implementation of machine learning applications using existing and emerging technology platforms. You'll focus on machine learning architectural design, develop and review model and application code, and ensure high availability and pe
Posted 7 days ago | Updated 2 hours ago

SDA AFSIM Modeling, Simulation, and Analysis Engineer

Modern Technology Solutions

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Chantilly, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Modeling, Simulation, and Analysis (MS&A) Engineer to fill a SETA (Scientific, Engineering, and Technical Assistance) position with the Space Development Agency (SDA). SDA is breaking the norms of the DoD acquisition cycle, delivering a new tranche of hundreds of satellites every two years. SDA is a fast-paced organization and is changing the way that the Department of Defense acquires space systems through the del
Posted 56 days ago | Updated 15 days ago

Data Scientist

M9 Solutions

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Washington, District of Columbia, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy
Posted 42 days ago | Updated 7 hours ago

Lead IAM Engineer

Tential

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Rockville, Maryland, USA

Contract

The IAM Lead Engineer works closely with the access management and security engineering to manage a process of enterprise-wide identities and access controls granted to systems and applications. The engineer uses IAM tools and platforms to support and manage provisioning, de-provisioning, ensuring they are clearly tracked, reported, and reviewed according to established policies. Also, the engineer builds custom solutions using AWS services for access automation and compliance purposes. IAM Lead
Posted 3 days ago | Updated 7 hours ago

Software Engineer II

Mastercard

•

Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 10 hours ago

Data Scientist

Leidos

•

McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Data Scientist in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) located in McLean, VA. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and imm
Posted 60+ days ago | Updated 10 hours ago

Cloud Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

•

Herndon, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Amazon Web Services (AWS), Cloud Engineering, DevOps, Python (Programming Language) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: This is a unique opportunity for an experienced
Posted 43 days ago | Updated 18 hours ago

HPC Data Storage Engineer

American Systems Corporation

•

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a HPC Data Storage Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Manage where data is storedCapacity planning and management, performance management, metrics reporting, st
Posted 60+ days ago | Updated 10 hours ago

Cybersecurity Engineer - US Federal

Workday, Inc.

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McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 47 days ago | Updated 10 hours ago

Senior Signal Processing Engineer

Leidos

•

Arlington, Virginia, USA

Full-time

Description Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Leidos Innovations Center (LInC) at Leidos currently has an opening for a Senior Signal Processing Engineer to support EW programs in Arlington, VA or San Diego, CA. As a LInC EW Senior Signal Processing Engineer, you will be responsible for research, design, and development of signal collection, processing and dissemination systems. Duties
Posted 20 days ago | Updated 12 hours ago

Active Directory Systems Engineer

Base-2 Solutions, LLC

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Washington, District of Columbia, USA

Full-time

Job Description Base-2 Solutions is seeking an Active Directory Systems Engineer. The ideal candidate is personable, articulate, has a keen eye for detail, with a focus on making sure the customers' requirements and needs are met quickly and effectively. Solutions should adhere to best practices, reference frameworks, regulations, and guidelines. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively inte
Posted 60+ days ago | Updated 10 hours ago

Software Engineer (Java, MASH, Linux)

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Software Engineer (Java, MASH, Linux) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and driven **Software Engineer (Java, MASH, Linux)** to join our team and contribute to the development of innovative, scalable software solutions. In this role, you will design, implement, and maintain Java-based applications, leverage MASH for middleware integration, and work within Linux environments t
Posted 60+ days ago | Updated 10 hours ago

React.js / Node.js Developer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

React.js / Node.js Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and dynamic **React.js / Node.js Developer** to join our team and contribute to the design and development of high-performance web applications. In this role, you will leverage your expertise in React.js for building intuitive front-end interfaces and Node.js for creating robust back-end services. You will work cl
Posted 60+ days ago | Updated 10 hours ago

IBM BAW Developer - TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Application Development, BPEL, IBM WebSphere Application Server Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Discover a career that is challenging, impactful, and mission-critic
Posted 42 days ago | Updated 20 hours ago

IBM BAW Developer - TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Application Development, BPEL, IBM WebSphere Application Server Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Discover a career that is challenging, impactful, and mission-critica
Posted 42 days ago | Updated 1 day ago