CSS Jobs in Fairfax, VA

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Litigation Technologist

Evolver Federal

•

Washington, District of Columbia, USA

Full-time

Evolver, a Converged Security Solutions company, is an information technology company serving the Federal, Commercial, and Legal markets that addresses client challenges in the present and transitions clients into the future by introducing efficient and effective IT solutions. With a dedicated focus on client satisfaction, CSS has proven its value time and time again, from managing day-to-day operations to skillfully navigating the implementation and support of new technologies. Our core compete
Posted 60+ days ago | Updated 11 hours ago

Data Engineer - TS/SCI w/Polygraph

General Dynamics

•

McLean, 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: Data Science Job Qualifications: Skills: Communication, ETL, Leadership, Python (Programming Language), Structured Query Language (SQL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: The Data Engineer Team Lead will provide tech
Posted 31 days ago | Updated 2 hours ago

Application Developer

QinetiQ US

•

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 a
Posted 60+ days ago | Updated 2 hours ago

Data Engineer - TS/SCI w/Polygraph

General Dynamics Information Technology

•

McLean, 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: Data Science Job Qualifications: Skills: Communication, ETL, Leadership, Python (Programming Language), Structured Query Language (SQL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: The Data Engineer Team Lead will provide tech
Posted 34 days ago | Updated 18 hours ago

Data Engineer - TS/SCI w/Polygraph

General Dynamics Information Technology

•

McLean, 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: Data Science Job Qualifications: Skills: Communication, ETL, Leadership, Python (Programming Language), Structured Query Language (SQL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: The Data Engineer Team Lead will provide tec
Posted 34 days ago | Updated 18 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 2 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 2 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will tra
Posted 60+ days ago | Updated 2 hours ago

SharePoint Developer

Summit Technologies

•

Washington, District of Columbia, USA

Contract

Summit Technologies, Inc. is looking for a SharePoint Developer to join our client s team in Washington, DC to develop and support out-of-the-box and custom SharePoint solutions using custom scripts, web parts and features pertaining to agency objectives and goals, public programs, education, research, and other initiatives. This is a hybrid role based in Washington, D.C. Candidates must be eligible for a Public Trust clearance. Responsibilities: Offer strategic guidance to the client to develop
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Posted 60+ days ago | Updated 20 days ago

Lead Salesforce Developer

Data Intelligence LLC.

•

Washington, District of Columbia, USA

Full-time

Data Intelligence LLC (DI) is seeking a highly skilled and experienced Lead Salesforce Developer to join our dynamic team on-site in Washington, D.C. As a Salesforce Lead, you will play a critical role in designing, developing, and deploying innovative solutions on the Salesforce platform. You will collaborate closely with the Product Owner, IT Solution Manager, and IT Solution Architect to ensure the successful delivery of scalable and secure Salesforce applications that meet business needs. **
Easy Apply
Posted 52 days ago | Updated 18 days ago

ETL Java Developer SME

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a ETL Java Developer 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 immediate vesting
Posted 60+ days ago | Updated 2 hours ago

Senior Application Developer

QinetiQ US

•

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 a
Posted 60+ days ago | Updated 2 hours ago

Oracle APEX Developer

Navigant Consulting

•

Washington, District of Columbia, USA

Full-time

Job Family: Investigation Consulting Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Guidehouse is recruiting Oracle APEX developers to be a part of our Defense & Security Department of Justice support practice. Every organization today faces complexity across multiple levels on a frequent basis. Join our team supporting the Department of Justice and guide our customers through today's complex challenges. The Oracle APEX developer will be responsible for t
Posted 60+ days ago | Updated 2 hours ago

Product Engineer II - Search and Data Federation

Esri

•

Vienna, Virginia, USA

Full-time

Overview At Esri, we make the world's most powerful software that accelerates decision-making by unlocking the crucial context of location. Our customers tackle complex issues like sustainable development, supply chain management, public health, and community resilience. We create technology to support their efforts and shape our future; our customers inspire everything we do. ArcGIS Hub is the world's leading engagement and delivery platform, with tools to dynamically integrate distributed con
Posted 60+ days ago | Updated 2 hours ago

Sharepoint Developer

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2504209 Location: WASHINGTON, DC, US Date Posted: 2025-06-04 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is looking for a Sharepoint Developer to develop and support out-of-the-box and custom SharePoint solutions using custom scripts, web parts and features pertaining to agency objectives and goals,
Posted 60+ days ago | Updated moments ago

Mid/Senior Cyber Systems & Acquisition Analyst

SimVentions, Inc - Glassdoor 4.6

•

Washington, District of Columbia, USA

Full-time

Overview: SimVentions is seeking a Cyber Systems Analyst/Engineer to support the SPEIR and LEED programs within PEO IWS 2.0 Above Water Sensors. This role provides direct support to APMs, Lead System Engineers, and Task Leads. A hybrid work environment is available, but on-site work in the DC area is required 2-3 times per week, with occasional travel (up to 10%). Travel: Travel to Washington D.C. area 2-3 times per week and additional travel up to 10% of the time (1-2 times/month). Clearance:
Posted 60+ days ago | Updated 12 hours ago

Mid/Senior Cyber Systems & Acquisition Analyst

SimVentions, Inc - Glassdoor 4.6

•

Washington, District of Columbia, USA

Full-time

Overview: SimVentions is seeking a Cyber Systems Analyst/Engineer to support the SPEIR and LEED programs within PEO IWS 2.0 Above Water Sensors. This role provides direct support to APMs, Lead System Engineers, and Task Leads. A hybrid work environment is available, but on-site work in the DC area is required 2-3 times per week, with occasional travel (up to 10%). Travel: Travel to Washington D.C. area 2-3 times per week and additional travel up to 10% of the time (1-2 times/month). Clearance:
Posted 60+ days ago | Updated 8 hours ago

Java Developer

PlumGravity

•

Remote or Texas City, Texas, USA

Contract

A Bachelor s or Master s degree in software engineering, computer science, or a related field.3+ years of demonstrable experience in Java development.Strong knowledge of Java languages and web development frameworks like Spring, Hibernate, and Struts.Expertise in developing web applications using front-end technologies (HTML, CSS, and JavaScript).Working knowledge of database technologies (MySQL and Oracle).Strong analytical and problem-solving skills with organisational capabilities.Experience
Easy Apply
Posted 2 days ago

ServiceNow Developer

Cayuse Shared Services

•

Arlington, Virginia, USA

Full-time

Overview The ServiceNow Developer will oversee the configuration of our ServiceNow platform to ensure it meets the needs of our users. We reach a broad range of end users, so we need someone who can develop solutions that make navigation easy to use. In this ServiceNow Developer, you will work in an Agile Software Development environment will deliver products and services defined throughout the life cycle of the project and resolve post-production deficiencies. You will also, manage and partic
Posted 60+ days ago | Updated 11 hours ago

Software Engineer

Leidos

•

Montgomery Village, Maryland, USA

Full-time

Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and criti
Posted 16 days ago | Updated 18 hours ago