UML jobs in Greenbelt, MD

Hybrid in Greenbelt, Maryland

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Today

Job Number: R0250762 Systems Engineer and MBSE Modeler The Opportunity: Are you looking for an opportunity to combine your information technology ( IT ) technical skills with big-picture thinking in a team of great people driving change and making an impact on space missions? Your ability to understand, capture, and analyze data center architecture and IT systems will make you integral to delivering customer-focused engineering solutions. As a Systems Engineer and model-based systems engineering

Full-time

USD 62,000.00 - 141,000.00 per year

Information Technology (IT) Systems Engineer

Bethesda, Maryland

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Today

Leidos has a new and exciting opportunity for an experienced, results oriented Information Technology (IT) Systems Engineer in our Intel Sector Analysis Solutions Business Area (ASBA). 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% c

Full-time

USD 154,050.00 - 278,475.00 per year

Solution & Systems Integration Architect SME

Washington, District of Columbia

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Today

We are seeking a Subject Matter Expert (SME) Solution & Systems Integration Architect to join our team supporting a large-scale federal modernization program. This role owns end-to-end solution architecture across complex, interdependent systems, translating mission and business requirements into secure, scalable, supportable technical designs, and carrying those designs through review, implementation, and operational transition. This is a hands-on architecture role. You'll be expected to produ

Full-time

Intermediate Systems Engineer

McLean, Virginia

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Today

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver in

Full-time

USD 95,200.00 - 119,000.00 per year

Systems Engineer

McLean, Virginia

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Today

Full-time

USD 121,200.00 - 151,500.00 per year

Application Developer- TS/SCI w/poly

Herndon, Virginia

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Today

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: Enterprise Software Development, Software Coding, Software Development Strategy Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: APPLICATION DEVELOPER Are you ready to be a part of a

Full-time

USD 128,039.00 - 173,229.00 per year

Sr Java Software Engineer (Healthcare Claims - NIGHT SHIFT)

Hybrid in Reston, Virginia

•

Yesterday

Job Title: Sr Java Software Engineer (Healthcare Claims - Night Shift) Location: Reston, VA Type: Contract Compensation:$75 /hr Work Model: Hybrid onsite and remote (mostly remote) Hours: Overnight schedule; onsite for 2 weeks of training during day shift, then rotating weekend shifts approximately once a month. Responsibilities Lead a team of software engineers in the design, development, and implementation of multiple applications. Perform and lead the detailed technical design, coding, cod

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Contract

$75.76

Senior Specialist, Software Engineer

Columbia, Maryland

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Today

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 is the Trus

Full-time

USD 111,500.00 - 207,500.00 per year

Model Based Systems Engineer - Initial one month onsite in Atlanta then FULLY REMOTE

Remote

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16d ago

Model Based Systems Engineer Location: Initial one month onsite in Atlanta then FULLY REMOTE Duration: Contract to Perm Work Authorization: 5years experience required. Model-Based System Engineering (MBSE) and SysML Architecture: Extensive experience in the design and development of ADAS Platform and Feature Architectures using Model-Based Systems Engineering (MBSE) with SysML / UML concepts in MagicDraw/ IBM Rapsody. Verified and validated ADAS architecture elements using validation suites

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Contract

SW Systems Engr Principal

Reston, Virginia

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Today

Job ID: 2617450 Location: Reston, VA, US Date Posted: 2026-09-30 Category: Software Subcategory: SW Systems Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a high energy, detail oriented and highly organized Principal Software Systems Engineer to lead and manage the design and maintain complex, large-scale software and

Full-time

USD 200,001.00 - 240,000.00 per year

RUST Software Developer - Multiple Levels (Minimum $10K Sign-on Bonus)

Herndon, Virginia

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Today

Full-time

USD 97,000.00 - 180,000.00 per year

Software Solution Architect - Customs Modernization

Reston, Virginia

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Today

KIBO is a registered United States company dedicated to providing governments worldwide its services of inspection, analysis, certification, and compliance. KIBO is seeking an experienced Software Solution Architect to help shape the technology foundation of a high-impact customs-modernization program. In this role, you will define the technical architecture that brings together customs-system integrations, port-community data, internal verification and risk-management tools, secure field-to-he

Full-time

USD 180,000.00 - 220,000.00 per year

Senior Embedded Software Engineer

Herndon, Virginia

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Today

Job Title: Senior Embedded Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Design, architect, and implement complex embedded RF systems as part of a multi-disciplinary team working on specialized tools, sensors, and communications devices for demanding applicationsContribute to software architecture decisions for inter-processor

Full-time

USD 113,200.00 - 237,800.00 per year

Lead, Software Engineer (Minimum $10K Sign-On Bonus)

Herndon, Virginia

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Yesterday

Full-time

USD 135,000.00 - 230,000.00 per year

C++ Developer

Remote

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3d ago

Job Title: C++ Developer Project Duration: 36 MonthsLocation: Lexington, MA (Remote or Hybrid) Duration: Full-Time ContractJob Description.The Group requires a C++ Developer to support the design, development, implementation, and testing of software for a series of large-scale communications system demonstrations. Work will be performed in a disciplined collaborative environment, employing modern programming practices.Responsibilities include but are not limited to:Software architecture definit

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Contract

80 - 85

Application Developer - Java

Herndon, Virginia

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Today

Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS. We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovatio

Full-time

Applications Architect (Enterprise Modernization & Cloud Migration) - Active Top Secret with SCI Eligibility Clearance

Alexandria, Virginia

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Today

We are seeking an experienced Applications Architect to lead the rationalization and modernization of a legacy, complex enterprise application portfolio in support of a Department of War (DoW) customer. The Architect will: Work with a team of business, infrastructure, data and solutions architects to drive the full spectrum of application architecture from as-is discovery through a defensible modernization roadmap. Build and maintain a detailed application inventory in the HOPEX architecture rep

Full-time

USD 160,000.00 - 170,000.00 per year

Principal Software Engineer

Woodlawn, Maryland

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Today

Location: Woodlawn, MD - On-site, 5 days per week Employment: Full-time Compensation: $110,000/yr.-$130,000/yr. Clearance: Must be able to obtain and maintain Public Trust Position Overview We are seeking an experienced Principal Software Engineer to design, develop, and support enterprise software applications in a federal government environment. This is a hands-on technical leadership role focused on Java, Spring Boot, Angular, React, microservices, cloud-native applications, and DevOps pra

Full-time

USD 110,000.00 - 130,000.00 per year

Senior Full Stack Engineer

Remote

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Today

Job Title: Senior Full Stack Engineer Job Location: 100% Remote Job Duration: Contract through the end of the year with possible extensions Profile: Must have strong JavaScriptES6 and AWS serverless development. JOB DESCRIPTION: As a Senior Full Stack Engineer, candidate will be responsible for complex software development including coding, managing small sections of ongoing projects and closely adhering to deadlines. Candidates will also take responsibility for creating design specifications

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Contract

AI Solution Architect

Remote

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Today

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their

Full-time

USD 215,640.00 - 400,440.00 per year

UML jobs in Greenbelt, MD, USA