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22 level 3 software engineer jobs found

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level 3 software engineer Maryland
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Lockheed Martin
Jun 19, 2026
Ground System Engineer ADP - Level 4
Lockheed Martin MD
Description: We are Lockheed Martin At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in SYSTEMS FIELD ENGINEERING to be a part...
Lockheed Martin
Jun 19, 2026
AI Machine Learning Engineer Sr. (mid-career)
Lockheed Martin Bethesda, MD
Description: Data & AI Enablement is seeking a Senior AI Machine Learning Engineer to join the Enterprise Interoperability Framework team. This team designs, develops, and supports software solutions that enable interoperability between disparate enterprise systems, data platforms, development tools, and AI-enabled workflows. The candidate will work as part of an agile engineering team and will be expected to contribute across the full software development lifecycle, including requirements analysis, system design, front-end and back-end development, API integration, automated testing, deployment support, troubleshooting, and sustainment. The role requires close collaboration with product owners, software engineers, data engineers, AI/ML practitioners, cybersecurity teams, DevSecOps teams, and business stakeholders to deliver secure, scalable, and maintainable solutions. Responsibilities may include: • Designing and developing full stack software solutions using modern...
Lockheed Martin
Jun 12, 2026
Ground System Discipline Engineer ADP- Level 3
Lockheed Martin MD
Description: We are Lockheed Martin You will be the Flight Test Engineer for the Multi Domain Control System (MDCS) team. Our team provides on-site support for test efforts for unmanned air systems to include ground station operation, test procedure development, and real time control room assistance during ground and flight test operations. MDCS flight test engineers interface between the air system, pilots and ground system teams to ensure that customer requirements are met and that anomalies are resolved in a timely manner. What You Will Be Doing As the Flight Test Engineer you will be responsible helping design, develop, integrate and test a variety of mission system equipment onto airborne platforms. Your responsibilities will include: • Contributing to the team developing several systems including System Integration Labs, Deployable Shelters, and Fixed Facilities in support of various projects. • Working effectively with members for the Hardware Engineering,...
Lockheed Martin
Jun 12, 2026
Ground System Engineer ADP - Level 3
Lockheed Martin MD
Description: We are Lockheed Martin At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in SYSTEMS FIELD ENGINEERING to be a part...
Lockheed Martin
May 23, 2026
We're Hiring - Software Engineers (Java/C++/Python) TS/SCI w/Poly
Lockheed Martin MD
Description: At Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. Come and experience your future! These are some of the exciting cleared Engineering roles available: - Software Developer - System Engineer - Software Engineers - Front End/ Back End Developer - Software Architect - Cloud Architect - Data Engineer - Cyber Engineer - Data Architect - Machine Learning Engineer - Integration & Test Engineer - Offensive/ Defensive Cyber & More We offer: - Comprehensive benefits package that includes health, dental, vision, etc. starting Day 1 - Lucrative 401k program - Work/ Life Balance with a generous PTO program By applying to this job, you are expressing interest in this position...
Lockheed Martin
May 01, 2026
Network Engineer / TS/SCI Poly SP / Onsite: Hanover, MD
Lockheed Martin MD
Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports Lockheed Martin Rotary and Mission Systems (RMS). The selected candidate will be responsible for upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, phones, networking, and storage), as well as continuity of operations. We are seeking a Network Engineer/System Administrator team member to join our team supporting the Hanover and Annapolis Junction. In this fast-paced environment, you'll draw on your education and experience as well as the resources of...
Lockheed Martin
Apr 30, 2026
Senior Hardware Engineer (OCONUS/Shift) - Clearance Required
Lockheed Martin Bethesda, MD
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented Sr. Hardware Engineer with a TS/SCI w/ Poly clearance to work from an OCONUS location . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require...
Lockheed Martin
Apr 30, 2026
Hardware Engineer Senior (OCONUS/Day Staff )
Lockheed Martin Bethesda, MD
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented Hardware Engineer with a TS/SCI w/ Poly clearance to work from an OCONUS location . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require 3+...
Lockheed Martin
Apr 29, 2026
AI Full Stack Engineer – Agentic Systems & Ontology
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML Full Stack engineer or an accomplished full stack engineer looking to grow into an AI/ML engineer, to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized agentic development, and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will conduct experimental work for the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive...
Lockheed Martin
Apr 29, 2026
AI Full Stack Engineer – Agentic Systems & Ontology
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML Full Stack engineer or an accomplished full stack engineer looking to grow into an AI/ML engineer, to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized agentic development, and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will conduct experimental work for the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive...
Lockheed Martin
Apr 29, 2026
AI Full Stack Engineer – Agentic Systems & Ontology
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML Full Stack engineer or an accomplished full stack engineer looking to grow into an AI/ML engineer, to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized agentic development, and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will conduct experimental work for the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive...
Lockheed Martin
Apr 29, 2026
AI Full Stack Engineer – Agentic Systems & Ontology
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML Full Stack engineer or an accomplished full stack engineer looking to grow into an AI/ML engineer, to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized agentic development, and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will conduct experimental work for the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive...
Lockheed Martin
Apr 29, 2026
Ground Systems Engineer Level 3
Lockheed Martin MD
Description: We are Lockheed Martin At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in SYSTEMS FIELD ENGINEERING to be a part of...
Lockheed Martin
Apr 21, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a Software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT, UAT/SME...
Lockheed Martin
Apr 16, 2026
1LMX PPM UDE-Starburst Data Engineer / Software Engineer, Sr
Lockheed Martin Bethesda, MD
Description: Lockheed Martin is on a transformational journey that includes business process reinvention, as well as Agile and Digital transformations. This transformation is Lockheed Martin’s path to the future with its interconnected environment where transactional systems are very intuitive and data becomes actionable information that drives decisions to create value across the entire lifecycle. To help us along this journey, we are looking for a highly skilled Data Engineer to join our PPM Unified Data Exchange (UDE) and Starburst team. This role will focus on building, securing, and scaling a data platform that enables performant, governed and secure access to data across multiple domains and sources. This is a hands-on role requiring strong technical depth in distributed data systems, cloud infrastructure and security by design, with the ability to collaborate closely with product team and consumers. Key Responsibilities: - Design, build and maintain a data platform...
Lockheed Martin
Apr 15, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT,...
Lockheed Martin
Apr 08, 2026
Cyber Software Engineer Senior Staff – C++
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Sr. Stf - C++ WHAT WE’RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The GG C++ SWE is in an extremely customer facing role leading multi faceted...
General Dynamics Mission Systems, Inc
Feb 26, 2026
Embedded Firmware Engineer
General Dynamics Mission Systems, Inc MD
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required at time of hire.d Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position We have an immediate need for an Embedded Firmware Engineer.    What You’ll Get to Do: Develop embedded software using C and assembly languages on bare metal or embedded operating systems Utilize advanced development/debugging tools,...
Lockheed Martin
Jun 19, 2026
A/AI Machine Learning Engineer- Early Career
Lockheed Martin Bethesda, MD
Description: At Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built. The Lockheed Martin Artificial Intelligence Center (LAIC) is seeking a highly skilled early career professional to head the AI Consulting portfolio, a role that requires a unique blend of technical expertise in software engineering and AI/ML, as well as strong business...
U. S. National Security Agency
Jun 10, 2026
System and Software Architect / Engineering and Physical Sciences Researcher - Experienced to Expert Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: Would you like to work for the most esteemed, reputable, and established in-house research organization in the U.S. Intelligence Community? If so, let's talk! NSA employs scientists with world-class skills in fields such as mathematics, physics, computer science, engineering, and cybersecurity. We collaborate with leading companies, universities, and national laboratories to leverage work in overlapping disciplines, advance core capabilities, and seek out and develop revolutionary ideas that will provide our nation with an overwhelming advantage over our adversaries. At the Laboratory for Physical Sciences (LPS) at NSA, you will have incredible opportunities with high visibility to work on investigating and designing large-scale high performance computing systems, focusing on computer architectures, processing/memory subsystems, and transforming computing beyond Moore's Law. You will be a part of a multi-disciplinary team of physicists, engineers, computer...
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