engineer Jobs in ashburn, va

261 - 280 of 7,805 Jobs

Platform/Infrastructure EngineerJob Title - Platform/Infrastructure Engineer

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Lead Systems Engineer, High-Performance ComputingJob Title - Lead Systems Engineer, High-Performance Computing

Visa Inc.Company Name - Visa Inc.

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Ashburn, Virginia, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Senior Software EngineerJob Title - Senior Software Engineer

NNDataCompany Name - NNData

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Remote or Reston, Virginia, USA

Full-time

Software/Systems Architect/Engineer NNData Corporation is seeking a cleared Computer Software/Systems Architect/Engineer to support a government intelligence agency contract. Design and execute the technical implementation for infrastructure and cloud computing services. Deliver solution that aligns with the customer s business needs and requirements. Provide design recommendations and assistance to solution deployment team members. Assist in the development of detailed project specifications an

Payload Processing Systems EngineerJob Title - Payload Processing Systems Engineer

QinetiQCompany Name - QinetiQ

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Chantilly, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all

Acquisition Systems EngineerJob Title - Acquisition Systems Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507117 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking an Acquisition Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supportin

Building EngineerJob Title - Building Engineer

EmployVisionCompany Name - EmployVision

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Dulles, Virginia, USA

Full-time

Building Automation Systems / BAS Engineer Dulles, VA (onsite role to start; hybrid role once established in role) Full Time Required and Preferred Skills Candidates are ideally local to the marketWorking knowledge of HVAC and electrical management systems (HVAC preferred most)Delta and Distech controls systems knowledge required (Distech 8 or 10 certified)Siemens product knowledge is preferredTradium software experience is required - certification At least 3 years MEP experience requiredBAS (B

Cloud Security EngineerJob Title - Cloud Security Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3713 Title: Cloud Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team i

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Solution Engineer, MuleSoft, Salesforce National SecurityJob Title - Solution Engineer, MuleSoft, Salesforce National Security

SalesforceCompany Name - Salesforce

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Herndon, Virginia, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Sales Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving your performance a

Software EngineerJob Title - Software Engineer

LeidosCompany Name - Leidos

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Herndon, Virginia, USA

Full-time

Description Job Description Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). 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 mat

Senior Network EngineerJob Title - Senior Network Engineer

Visa Inc.Company Name - Visa Inc.

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Ashburn, Virginia, USA

Full-time

Gen AI/ Machine Learning EngineerJob Title - Gen AI/ Machine Learning Engineer

MindlanceCompany Name - Mindlance

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Reston, Virginia, USA

Contract

Job Role: AI/ ML Engineer Location: Reston, VA Duration: 6 Months Hybrid: 3 days onsite (Wednesday Friday) Job Description: Strong Python programming experience (preferably 3 5 years in AI/ML contexts)Familiarity with:ML libraries: Pandas, NumPy, Seaborn, scikit-learn, XGBoost, TensorFlowAWS: Including tools like SageMaker, BedrockAPI integration: Especially with FastAPI or similar HTTP-based frameworksExposure to MCP (Model Control Protocol):New concept being experimented within the teamExperie

DevSecOps Systems EngineerJob Title - DevSecOps Systems Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507179 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Digital Engineer 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 DevSecOps Systems Engineer to fill a critical position on the SAIC's Prime Program Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program supportin

Biometrics Software Engineer (SME)Job Title - Biometrics Software Engineer (SME)

LeidosCompany Name - Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Biometrics Software Engineer (SME) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). 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 mat

Cyber Security Engineer (SME)Job Title - Cyber Security Engineer (SME)

LeidosCompany Name - Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for Cyber Security Engineer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). 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 im

Technical Collections Engineer/Analyst_Jr. LevelJob Title - Technical Collections Engineer/Analyst_Jr. Level

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Cybersecurity Engineer Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the

Specialist, Manufacturing EngineerJob Title - Specialist, Manufacturing Engineer

L3 HarrisCompany Name - L3 Harris

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Ashburn, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Python Full Stack EngineerJob Title - Python Full Stack Engineer

MindlanceCompany Name - Mindlance

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Reston, Virginia, USA

Third Party, Contract

Job Role: Python Full Stack Engineer Location: Reston, VA- 3 Days Hybrid Duration: 6- 12 Months Job Description: We are seeking a highly experienced Senior Full Stack Developer with expertise in Python, Java, JavaScript, and AWS to enhance the features of our company product using native AWS services. Experience: Excellent Python and Java skills with 5+ years of experience. Extensive application coding experience using native AWS services. Expertise with implementation of security best practice

Grid Computing EngineerJob Title - Grid Computing Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507182 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description JOB DESCRIPTION: SAIC is seeking a Grid Computing Engineer in Chantilly, VA to oversee a globally deployed, centrally managed, decentralized big data computing