1,765 Results for

Principal Software Engineer Jobs in Elkridge, MD

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Senior Software Engineer, IS-02/03-0046 Cyber B.A.T.

Laurel, Maryland

Build analytical models, implement performance metrics, and establish monitoring solutions to ensure the reliability and effectiveness of developed applications, functions, and data workflows. We’re a Service-Disabled Veteran-Owned Small Business delivering engineering, cybersecurity, software, systems, and mission-focused consulting solutions to government customers and industry partners.

5 days ago

Senior Software Engineer – Backend CaseGuard

Arlington, Virginia

$120,000–$200,000 / year

Work closely with frontend engineers to design and deliver end-to-end features - defining API contracts, aligning on data flows, and ensuring correct system behavior across client and backend. Our team is driven by a passion for great software design, creating great products, and creative processes; CaseGuard implements innovative ideas across multiple services and agencies.

24 days ago

Senior Software Engineer The MITRE Corporation

Mclean, VA

$129,200–$161,500 / year

Basic Qualifications: Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job level; or equivalent combination of related education and work experience. 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 integrated, high-impact solutions that advance our nation's health, security, and prosperity.

30+ days ago

Sr. Software Engineer Que Technology Group

Maryland

Additional duties involve supporting product installations for clients, resolving technical issues, participating in code reviews, and working with cross-functional teams to ensure robust and maintainable software solutions. Provide comprehensive software engineering support across all phases of the Software Development Life Cycle (SDLC), encompassing application development, system integration, troubleshooting, deployment, and sustainment activities.

30+ days ago

Senior Software Engineer - Motion Planning, Secondary Driving System General Motors Co

Washington, WA

$170,600–$261,300 / year

Experience in motion planning and controls, including: Trajectory generation and tracking, Optimal control / model‑predictive control / trajectory optimization, Classical and modern feedback control design (e.g., PID, LQR, robust control), Handling kinematic and dynamic constraints for ground vehicles. Develop and optimize production‑grade C++ software across the SDS stack, integrating ML‑based perception (object detection, tracking, prediction, lane and road features) with analytical planners and classical controllers under tight latency and compute constraints.

28 days ago

Software Engineer 3 General Dynamics Information Technology

Annapolis Junction

The Software Engineer shall work closely with cross-functional teams including software developers, system administrators, project managers, and mission customers to deliver seamless integrations that enhance productivity and streamline workflows. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

2 days ago

Principal Network Engineer Mitre Corp

McLean, VA

$162,400–$203,000 / year

The Intelligent Network Services Department which is part of the MITRE Technology and Engineering Infrastructure, Networking, and Communications Division, has as its mission to provide premier communications network engineering services for our customers at all classification levels. Our engineers have expertise in research, design, analysis, modeling and simulation, lab experimentation, field testing, and implementation of networks across a diverse set of networked communication environments including virtual, wired, and wireless.

30+ days ago

Principal Engineer Manufacturing/ 4Th Shift Northrop Grumman

Baltimore, MD

$98,900–$148,300 / year

Basic Qualifications: Bachelor's degree in Engineering or other related STEM area and at least 5+ years of experience in Manufacturing/Process Engineering, Production, or related area - OR - a Master's degree with 3+ years of experience. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

27 days ago

AI Engineer, Principal - TS/SCI w/Poly Parsons Corp

Columbia, MD

$125,100–$225,200 / year

Collaborate closely with data scientists, software engineers, DevOps engineers, subject matter experts, and stakeholders to translate requirements into technical solutions. What You'll Be Doing: Build and optimize AI-powered applications using large language models (LLMs), retrieval-augmented generation (RAG), AI agents, and other emerging AI technologies.

30+ days ago

Principal Engineer Manufacturing/ 4th Shift Northrop Grumman Corp

Baltimore, MD

$98,900–$148,300 / year

Basic Qualifications: Bachelor''s degree in Engineering or other related STEM area and at least 5+ years of experience in Manufacturing/Process Engineering, Production, or related area - OR - a Master''s degree with 3+ years of experience. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.

30+ days ago

Engineer/Principal Engineer RF Microwave/Mixed Signal Design Engineer Northrop Grumman Corp

Baltimore, MD

$87,600–$131,400 / year

MS E&S is seeking engineers with experience and interest in electronic assembly and packaging design including: Designing, modeling, and verifying RF and mixed signal assembly product types including apertures, radome, circulators/isolators, Transmit/Receive modules and switches, interposer assemblies, filters, RF manifolds/splitters, backplanes, beamformers, and other relevant RF building blocks within RF antenna subsystem. Utilizing world class manufacturing capabilities both on-site and within the broader company for prototyping through full-rate production from the foundry level to microelectronic packaging to printed circuit board fabrication and assembly to subsystem level integration and test.

30+ days ago

Senior Software Engineer, Platform Integration Robotic Research OpCo LLC

Arlington, VA

$145,000–$165,000 / year

Forterra delivers weapons, sensors, and battlefield effects through integrated autonomous networks reaching operational areas faster, safer, and without placing human lives at risk. You will partner directly with teams building autonomy, command and control, networking, web applications, and vehicle software to understand their needs and deliver reliable integrations.

30+ days ago

Senior Software Engineer (ML) BigBear.ai

Columbia, MD

The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Customers and partners rely on Bigbear.ai's predictive analytics capabilities in highly complex, distributed, mission-based operating environments.

30+ days ago

Senior Software Engineer (SWE-3) Leidos

Laurel, MD

$107,900–$195,050 / year

The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus : Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer's corporate architecture.

15 days ago

Senior Software Developer - Systems & UX Design BAE Systems Plc

McLean, VA

$153,377–$260,743 / year

Architect Complex Systems - Design and implement comprehensive end-to-end architectures, ensuring seamless, high-performance integration between modern UI frameworks, backend services, cloud infrastructure, and advanced AI/ML capabilities. Mastery of Software Engineering Principles - Deep expertise in multiple languages (such as Python, JavaScript/TypeScript, Rust, Java, or C++), microservices architecture, cloud to embedded and distributed systems design.

9 days ago

Senior Software Developer - AI Harness Development BAE Systems Plc

McLean, VA

$153,377–$260,743 / year

Leadership in AI Harness Engineering - Leadership and operational models for solving modern AI (LLM, SLM, Harness) design addressing complex government workflows, addressing complex data engineering requirements as well as broad compliance requirements. Architect Complex Systems - Design and implement comprehensive end-to-end architectures, ensuring seamless, high-performance integration between modern UI frameworks, backend services, cloud infrastructure, and advanced AI/ML capabilities.

9 days ago

Senior Software Engineer (TS/SCI with Polygraph) Red Alpha

Annapolis Junction, Maryland

$190,000–$220,000 / year

Our total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. We are seeking a Senior Software Engineer to create, sustain and troubleshoot complex operational data flows including data storage, data transport, data management, data security, data compliance, and knowledge store management.

30+ days ago

Sr. Software Engineer - AI Systems - FS Poly stanleyreid

Columbia, Maryland

Relevant Qualifications:-12+ years of professional experience-Software Development experience with AI (LLM, RAG, etc.)-Experience with Python, Java, or Go-Strong experience with cloud platforms-Experience with containerization tools (Kubernetes, Docker, etc.)-Experience with IaC tools (Terraform, Puppet, Ansible)-Experience with CI/CD pipelines Preferred:-Experience with Large Language Models-Knowledge of MLOps This role is located in Columbia, MD and the work requires a TS/SCI + Full-Scope Polygraph. They offer an exceptional experience for cleared, tech-savvy professionals seeking impact and fulfillment and offer a robust, extensive contract portfolio across Maryland and Virginia, including their own PRIME contract.

30+ days ago

Senior Software Engineer (Active Ts/Sci Clearance) Striveworks

Falls Church, VA

$185,000–$230,000 / year

Since 2018, we have delivered the most trusted AI systems operating in real-world use cases-providing a layer of assurance underneath hundreds of deployed models that monitors performance, manages drift, and sustains systems long after they leave the lab. Ability to independently lead the software development life cycle, from collaborating with product teams on requirements to executing technical design, implementation, and deployment.

30+ days ago

Senior Software Engineer - Data ZoomInfo

Bethesda, MD

$140,000–$220,000 / year

In this role, you will have broad authority to drive the direction of our technographic data services, building world-class data pipelines and systems to process billions of signals and data points. About us: ZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation.

30+ days ago

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Principal Software Engineer Jobs in Elkridge, MD

Senior Software Engineer, IS-02/03-0046 Cyber B.A.T.

Senior Software Engineer – Backend CaseGuard

Senior Software Engineer The MITRE Corporation

Sr. Software Engineer Que Technology Group

Senior Software Engineer - Motion Planning, Secondary Driving System General Motors Co

Software Engineer 3 General Dynamics Information Technology

Principal Network Engineer Mitre Corp

Principal Engineer Manufacturing/ 4Th Shift Northrop Grumman

AI Engineer, Principal - TS/SCI w/Poly Parsons Corp

Principal Engineer Manufacturing/ 4th Shift Northrop Grumman Corp

Engineer/Principal Engineer RF Microwave/Mixed Signal Design Engineer Northrop Grumman Corp

Senior Software Engineer, Platform Integration Robotic Research OpCo LLC

Senior Software Engineer (ML) BigBear.ai

Senior Software Engineer (SWE-3) Leidos

Senior Software Developer - Systems & UX Design BAE Systems Plc

Senior Software Developer - AI Harness Development BAE Systems Plc

Senior Software Engineer (TS/SCI with Polygraph) Red Alpha

Sr. Software Engineer - AI Systems - FS Poly stanleyreid

Senior Software Engineer (Active Ts/Sci Clearance) Striveworks

Senior Software Engineer - Data ZoomInfo

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