C++ Jobs in District of Columbia

141 - 160 of 890 Jobs

Systems Engineer IIIJob Title - Systems Engineer III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Herndon, Virginia, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! At Sierra Nevada Corporation (SNC) our Systems Engineers deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, c

RF Software EngineerJob Title - RF Software Engineer

Lockheed MartinCompany Name - Lockheed Martin

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Maryland, USA

Full-time

Job ID: 683845BR Date posted: Apr. 10, 2025 Description:This position may be eligible for a $25K sign on bonus for external hires! WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Hea

RF Software EngineerJob Title - RF Software Engineer

Lockheed MartinCompany Name - Lockheed Martin

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Maryland, USA

Full-time

Senior JAVA Developer (Multiple roles at CA, CO, MD, VA)Job Title - Senior JAVA Developer (Multiple roles at CA, CO, MD, VA)

Chabez Tech LLCCompany Name - Chabez Tech LLC

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Alexandria, Virginia, USA

Full-time

Title: Senior JAVA Developer (Multiple roles at CA, CO, MD, VA) Location: San Diego, CA || Aurora, CO || Annapolis Junction, MD || Alexandria, VA - Onsite Duration: Full Time Position #: 10 Required Candidate with Security Clearance (TS/SCI w CI Poly) Required Qualifications: Bachelor's Degree in Computer Science or a related discipline. Relevant work experience may be substituted for a Degree Demonstrated experience with Java is required Experience or familiarity with multiple of the following:

Associate Cyber Applied Research Scientist (AR)Job Title - Associate Cyber Applied Research Scientist (AR)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Arlington, Virginia, USA

Full-time

Job Description Bringing together people who use their passion for purposeful innovationYour Mission is Ours. At Lockheed Martin we keep people safe and solve the world's most complex challenges. We place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Our people are some of the greatest minds in the industry and they make Lockheed Martin a great place to work. We provide diverse career opportunities designed

Junior Modeling and Simulation EngineerJob Title - Junior Modeling and Simulation Engineer

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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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

Senior Test and Integration EngineerJob Title - Senior Test and Integration Engineer

LeidosCompany Name - Leidos

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Linthicum Heights, Maryland, USA

Full-time

Description Leidos is currently looking to add a Test and Integration Engineer to a Cyber Security Program near Ft. Meade, MD. This challenging position supports a complex, mission-critical Program. The successful candidate will perform the installation, integration, and test of operational equipment/software to verify compliance with the system design, requirements, and standards. Perform in-depth security verification testing of cryptographic product designs and equipment. CLEARANCE REQUIRED:

CNO Developer - TS/SCI FSPJob Title - CNO Developer - TS/SCI FSP

Mission Box SolutionsCompany Name - Mission Box Solutions

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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

Software Engineer 3 (HPC)Job Title - Software Engineer 3 (HPC)

Cornerstone DefenseCompany Name - Cornerstone Defense

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Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3718 Title: Software Engineer 3 (HPC) Location: Annapolis Junction, MD Compensation Range: $180 -$200K *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 exper

Software EngineerJob Title - Software Engineer

SAICCompany Name - SAIC

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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

Senior Cyber Capability Developer (Reverse Engineer)Job Title - Senior Cyber Capability Developer (Reverse Engineer)

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description 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. The Leidos National Security Sector combines technology-enabled services and mission software capabilities

Mission Systems EngineerJob Title - Mission Systems Engineer

SAICCompany Name - SAIC

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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

Offensive Cyber Capabilities DeveloperJob Title - Offensive Cyber Capabilities Developer

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Are you excited by the prospect of developing exploits and creating sophisticated cyber tools? Do you love delivering new capabilities that are deployed in the real world? If so, we want you to join our group of offensive cyber experts! We seek tenacious self-starters who will develop their technical skills in service of inventive cyber capabilities and novel reverse engineering and exploitation techniques. We work in a dynamic, mission driven environment that has real world impac

Kill-Chain Systems AnalystJob Title - Kill-Chain Systems Analyst

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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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

Chief Unmanned Systems Robotics EngineerJob Title - Chief Unmanned Systems Robotics Engineer

LeidosCompany Name - 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

Target AnalystJob Title - Target Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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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

Senior Software Development InstructorJob Title - Senior Software Development Instructor

Apex SystemsCompany Name - Apex Systems

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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,

Software Application DeveloperJob Title - Software Application Developer

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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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

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

Parsons Services CompanyCompany Name - Parsons Services Company

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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

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

Parsons Services CompanyCompany Name - Parsons Services Company

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Chantilly, Virginia, USA

Full-time