C++ Jobs in Washington, DC

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Cyber Code Test Engineer

Accenture LLP

•

Herndon, Virginia, USA

Full-time

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 and part of global Accenture, to do work that matters in a collaborative
Posted 39 days ago | Updated 1 hour ago

Cloud Engineer

Booz Allen Hamilton

•

Reston, Virginia, USA

Full-time

Job Number: R0221631 Cloud Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a Cloud Engineer, you know how to create a cloud-based technical architecture that meets client needs and takes advantage of cloud capabilities. What if you could use your cloud architecture skills to improve national security? We need you to help us develop cloud-based solutions for some of our client's toughest problems. As a leader on our team, you'll design a new clo
Posted 26 days ago | Updated 2 hours ago

Junior Modeling and Simulation Engineer

Modern Technology Solutions

•

Alexandria, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Junior Modeling and Simulation Engineer - Analyst to join our team. This position can be located in Alexandria, VA., Huntsville, AL., Colorado Springs, CO., or Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge
Posted 60+ days ago | Updated 21 days ago

Model Based Systems Engineer

Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0217125 Model Based Systems Engineer The Opportunity : Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in National Security? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As a model-based systems engineer on our te
Posted 60+ days ago | Updated 2 hours ago

Cryptanalytic Computer Scientist TS/SCI FSP

Mission Box Solutions

•

Annapolis, Maryland, USA

Full-time

Our client is seeking a Cryptanalytic Computer Scientist to provide technical expertise in support of a U.S. Government customer. This full-time position involves working on mission-critical software and systems to support a large government contract. Responsibilities: Utilize mathematical models, methods, and techniques to analyze and solve problems.Contribute to the development of cryptanalytic software.Collaborate with a team while also being capable of working independently to address compl
Posted 60+ days ago | Updated 10 hours ago

Android-Savvy CNO Developer 1

Cornerstone Defense

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Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction, Maryland Type: Contract Job #3684 Title: Android-Savvy CNO Developer 1 Location: Annapolis Junction, MD Compensation Range: $120 -$140K *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 w
Posted 42 days ago | Updated 1 hour ago

Associate, Software Engineer (Columbia, MD)

Harris Corporation

•

Columbia, Maryland, 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
Posted 6 days ago | Updated 1 hour ago

Senior Software Developer TS/SCI

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a software engineer looking to improve and enhance mission-cr
Posted 60+ days ago | Updated 1 hour ago

Software Engineer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2507396 Location: CHANTILLY, VA, US Date Posted: 2025-07-09 Category: Software Subcategory: SW 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's Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Software Engineer to support enterprise web applications and software development teams. If you can
Posted 14 days ago | Updated 11 hours ago

Mission Systems Engineer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506639 Location: CHANTILLY, VA, US Date Posted: 2025-06-12 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % 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 a Mission Systems Engineer with NRO experience to provide Modeling and Simulation (M&S) and Systems Engineering and Technical Advisory (SETA) s
Posted 40 days ago | Updated 11 hours ago

Target Analyst

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0220899 Target Analyst The Opportunity: Do you have strong analytic skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a Network Analyst, you will use your spe cia lized te chn ical experience to enable cyberspace operations and intelligence collection to enable the success of mission owners. As an Analyst on our team, you will provide expert ana
Posted 43 days ago | Updated 2 hours ago

Chief Unmanned Systems Robotics Engineer

Leidos

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Arlington, Virginia, USA

Full-time

Leidos, a global technology leader, is seeking a Chief Unmanned Systems Robotics Engineer for our Sea Systems Business Area within our Defense Systems Sector, supporting the Unmanned Surface and Sub-surface Vessels autonomous systems development. As Chief Unmanned Systems Robotics Engineer, you will play a pivotal role in developing our guiding technology strategy and vision for unmanned maritime systems. You will work with our existing and potential customers to define their needs and develop
Posted 59 days ago | Updated 1 hour ago

CNO Developer - TS/SCI FSP

Mission Box Solutions

•

Annapolis, Maryland, USA

Full-time

Our client is seeking a CNO Developer to support a U.S. Government customer by providing technical expertise for mission-critical software and systems. This full-time position involves designing, developing, testing, and maintaining custom capabilities across various platforms in support of a large government contract. Responsibilities: Work as part of a team of developers on Unix, Windows, or Mobile capabilities, contributing to the design, development, testing, and maintenance of CNO capabili
Posted 60+ days ago | Updated 10 hours ago

Kill-Chain Systems Analyst

Modern Technology Solutions

•

Alexandria, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Kill-Chain Systems Analyst to join our team. This position can be located in Alexandria, VA., Huntsville, AL., Colorado Springs, CO., or Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provi
Posted 60+ days ago | Updated 21 days ago

Software Application Developer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you an emerging Information Technology professional with experience supporting Human Resources (HR), and a passion for solving technical challenges, learning new skills and collaborating across teams to build innovative technical solutions? If so, we'd love to have you join our team at APL! We're seeking a Software Application Developer with a foundational understanding of Software Development and Support. This role offers a phenomenal opportunity to grow your skills in applic
Posted 29 days ago | Updated 1 hour ago

Senior Software Development Instructor

Apex Systems

•

Elkridge, Maryland, USA

Full-time

Job#: 2079174 Job Description: ? Senior Software Instructor - Technical Data & Training ? Location: Elkridge, MD (On-site - No remote work) ? Schedule: 1st Shift ?? Travel: Up to 10% ? Clearance: Secret Clearance ? Compensation: Based on Experience ? Telecommute: Not Available About the Role Our client is seeking a Level 4 Software Instructor to lead the development and delivery of a hands-on training program for international clients. This role focuses on teaching software programming,
Easy Apply
Posted 29 days ago | Updated 1 hour ago

Mid Data Engineer

Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0222844 Data Engineer, Mid The Opportunity: Emerging capabilities in artifi cia l intelligence, machine learning, and autonomous systems demand robust data engineering-espe cia lly when integrating complex, divers e data into mission-driven applications. As a data engineer, you understand that clean, connected, and accessible data is the foundation of everything from LLM-powered interfaces to real-time operational insights. We need a data professional like you to help design and bu
Posted 2 days ago | Updated 2 hours ago

Principal Level Digital Signal Processing Engineer - TS/SCI with Poly

Parsons Services Company

•

Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Blue Ridge Envisioneering (BRE), a Parsons Company, is seeking qualified candidates
Posted 26 days ago | Updated 1 hour ago

Mid Level Digital Signal Processing Engineer - TS/SCI with Poly

Parsons Services Company

•

Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Blue Ridge Envisioneering (BRE), a Parsons Company, is seeking qualified candidates
Posted 26 days ago | Updated 1 hour ago

Information Security Snr Manager

Oracle Corporation

•

Reston, Virginia, USA

Full-time

Job Description Job Description Information Security Sr. Manager - Offensive Security Oracle Cloud Infrastructure Group (United States) The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security t
Posted 20 days ago | Updated 1 hour ago