Software Engineer III Jobs in Washington

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Java Software Engineer III

Lockheed Martin Corporation

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Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description Combat Effectiveness Core (CEC) team is building a space combat simulator to model space conflicts. What forces will be needed to win? How can available resources best be allocated? What are the most effective defenses to adversary threats? CEC software simulates a wide range of scenarios, wargaming the actions from both sides of a conflict to help our stakeholders develop strategy, tactics, techniques, and procedures. The team builds on this foundation for our partners by creat
Posted 60+ days ago | Updated 2 hours ago

Software Engineer III

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Software Engineer Location: Remote position - will need to be flexible with About the team and the role: Our Risk Intelligence / Identity and Access Management team is responsible for building and maintaining critical systems that safeguard our company's hobbyists, sellers, operations, and data. This team's charter is to protect access to the company's systems and ensure our internal and external users have secure and seamless access to the services needed. As the Senior Software Eng
Posted 60+ days ago | Updated 2 hours ago

Software Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll perform coding, debugging, testing, and troubleshooting of systems and softwa
Posted 60+ days ago | Updated 2 hours ago

Software Engineer (IT SE III) (Government)

AT&T Inc.

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Chantilly, Virginia, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National Security Team supports the Intelligence Community by providing, operating and assuring critical voice, vide
Posted 60+ days ago | Updated 2 hours ago

Software Dev Engineer III

Kforce Technology Staffing

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Remote or Seattle, Washington, USA

Contract

RESPONSIBILITIES: Kforce has an enterprise client that is seeking a Software Dev Engineer in Seattle, WA. Summary: We are looking for a Software Development Engineer to work as part of a two-engineer team to deliver a project that enables an engineering driven process to be self-service for internal users that allows for improved GTM usage of an external facing product. Duties: * Deliver work that employees at Twitch will use and impacts creators on the platform * Partner with an existing eng
Posted 4 days ago | Updated 7 hours ago

Software Engineer, Frontend III

West Coast Consulting LLC

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Remote

Contract

Job Description Position: Frontend Engineer Remote Summary: Work with the team to develop, maintain and support assigned features of the frontendCollaborate with the team on future features and possible visual designsMaintain strong communication on progress as well as on question/concerns you foreseeManage designated tasks assigned on JiraFull pipeline and requirements on API interface between FE and BE will be provided, but it is expected that you will contribute heavily to design of FE impl
Posted 9 days ago | Updated 11 hours ago

Software Engineer III

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a remote Software Engineer for the USPS TESS proposal. Responsibilities Designs, modifies, develops, writes and implements software programming applications Supports and/or installs software applications/operating systems Participates in the testing process through test review and analysis, test witnessing and certification of software Familiar with a variety of the field's concepts, practices, and procedures Relies on experience and judgment to pla
Posted 60+ days ago | Updated 11 hours ago

Software Systems Development Engineer III

Sierra Nevada Corporation

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Remote

Full-time

SNC can only hire in these states: AL, AK, AZ, CA, CO, FL, GA, HI, ID, IL, IN, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ, NM, NC, OH, OK, OR, PA, SC, TN, TX, UT, VA, WA, WV, WI. Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission p
Posted 51 days ago | Updated 2 hours ago

Software Developer III

General Atomics

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Chantilly, Virginia, USA

Full-time

Job Summary General Atomics Integrated Intelligence, Inc. (GA-I3), an affiliate of General Atomics, develops best-in-class global situational awareness and battle orchestration capabilities that process petabytes of data from diverse sources in near real time. Our systems apply state-of-the-art algorithms and machine learning techniques to extract features, fuse data and form a rich live view of objects across land, sea and sky. We empower decision makers to solve meaningful challenges through
Posted 48 days ago | Updated 2 hours ago

Data / Modeling Engineer III

Kforce Technology Staffing

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Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Data/Modeling Engineer in Reston, VA. This role is focused on manipulating data in a software engineering capacity. Some of that data might live in relational systems, but it's increasingly moving towards NoSQL systems and data lakes. Key Tasks: * Normalize databases and ascertain the structure of the data meets the requirements of the applications that are accessing the information * Construct datasets that are easy to analyze and suppor
Posted 5 days ago | Updated 7 hours ago

Data Assurance Engineer III

Walmart Inc.

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Reston, Virginia, USA

Full-time

What you'll do Position: Data Assurance Engineer Job Location: 10790 Parkridge Dr., Reston, VA 20191 Duties: Identifies and implements data loss prevention solutions by gathering requested information; writing, testing, and debugging programs (for example, .NET, Java) and scripts (e.g., batch, PowerShell, Perl) for Incident Management; participating in code reviews; using commands and utilities; monitoring alerts and other system checks and balances; managing system performance, availability
Posted 3 days ago | Updated 2 hours ago

Design Engineer III

VTG

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Washington, District of Columbia, USA

Full-time

Overview We are seeking a Design Engineer to support our Washington, DC office. Candidate will support UxV design and development by conducting technical reviews, engineering analyses, and integration studies to inform system configuration, performance, and mission suitability. Responsibilities include providing Objective Quality Evidence (OQE), maintaining technical configuration control, and offering cross-disciplinary support in areas such as mechanical, structural, electrical, autonomy, and
Posted 19 days ago | Updated 7 hours ago

Applications Engineer III

General Dynamics Information Technology

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Maryland, 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 Engineering Job Qualifications: Skills: Computer Programming, Design, Documentations, Software Applications, Software Program Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Designs software tools and subsystems to suppo
Posted 34 days ago | Updated 12 hours ago

Applications Engineer III

General Dynamics Information Technology

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Maryland, 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 Engineering Job Qualifications: Skills: Computer Programming, Design, Documentations, Software Applications, Software Program Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Designs software tools and subsystems to supp
Posted 35 days ago | Updated 21 hours ago

Submarine System Engineer III

Amentum

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Washington, District of Columbia, USA

Full-time

**CONTINGENT on Contract Award Expected in September 2025 - Full Time/Onsite** Hiring Salary Range: $95,000- $150,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.) This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum: please visit our careers site: Amentum is seeking a talented and experienced Enginee
Posted 15 days ago | Updated 7 hours ago

Cybersecurity Engineer III - Secret Clearance Required

General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cybersecurity, Information Security, Splunk Infrastructure Monitoring Certifications: None Experience: 7 + years of related experience ship Required: Yes Job Description: Own your career as a Cybersecurity Engineer at GDIT. Here, you'll have the opportunity to build strong l
Posted 9 days ago | Updated 2 hours ago

Cybersecurity Engineer III - Secret Clearance Required

General Dynamics Information Technology

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cybersecurity, Information Security, Splunk Infrastructure Monitoring Certifications: None Experience: 7 + years of related experience ship Required: Yes Job Description: Own your career as a Cybersecurity Engineer at GDIT. Here, you'll have the opportunity to build strong
Posted 10 days ago | Updated 5 hours ago

Cybersecurity Engineer III - Secret Clearance Required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cybersecurity, Information Security, Splunk Infrastructure Monitoring Certifications: None Experience: 7 + years of related experience ship Required: Yes Job Description: Own your career as a Cybersecurity Engineer at GDIT. Here, you'll have the opportunity to build strong l
Posted 10 days ago | Updated 10 hours ago

SIEM Engineer III

Electronic Consulting Services, Inc (ECS Federal)

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Fairfax, Virginia, USA

Full-time

Job Description ECS is seeking a SIEM Engineer to work remotely . Summary Are you passionate about the ever-evolving field of cybersecurity and ready to embark on a career with a positive and lasting impact? Join our dynamic team at ECS, a leading provider of solutions in science, engineering, and advanced technologies, including cloud, cybersecurity, artificial intelligence (AI), data, and enterprise transformation solutions. As a SIEM Engineer , you'll play a crucial role in our mission to
Posted 11 days ago | Updated 11 hours ago

IT Engineer III

Kforce Technology Staffing

•

Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an IT Engineer in Reston, VA. Duties: * IT Engineer will provide Tier 2/3 support for Windows 10/11 physical and virtual environments * Assist in the deployment, configuration, and management of MDM solutions (Workspace ONE) * Monitor system performance, compliance, and logging/monitoring * Collaborate with security and compliance teams to ensure endpoint protection and policy enforcement * Maintain documentation for system configurations,
Posted 11 days ago | Updated 7 hours ago