626 junior software engineer jobs found

Basic Qualifications Bachelor’s degree in Software Engineering, or a related Science, Engineering or Mathematics field. Agile experience preferred. CLEARANCE REQUIREMENTS: Department of Defense SECRET security clearance is required at time of hire. 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 Make the world’s most advanced Cybersecurity and Encryption products even smarter   Imagine building your career by developing the solutions that support the mission of our nation’s service members, intelligence analysts and first responders. That’s the challenge that’s waiting for you at General Dynamics Mission Systems. Here you have the opportunity to redefine innovation and excellence for the world....

Description: Senior‑level Software Engineer to lead the development, integration, and maintenance of the Recording, Commanding, and Telemetry Unit (RCTU) software stack within our Electrical Ground Support Equipment (EGSE) portfolio. The successful candidate will partner with hardware engineers, test specialists, and mission teams to deliver reliable, high‑performance software that drives command injection, telemetry acquisition, and timing synchronization for spacecraft pre‑launch testing. Key Responsibilities • Architect & Develop the core RCTU software, including real‑time command/telemetry handling, timing services, data recording, and safety interlocks. • Lead Technical Design reviews, code inspections, and integration testing with the EGSE hardware. • Implement Test Automation frameworks and scripting interfaces to enable end‑to‑end test sequences. • Collaborate Cross‑Functionally with hardware engineers and flight software groups to define interface specifications and...

Description: Who We Are Lockheed Martin is dedicated to shaping, developing, & advancing technologies & capabilities with a focus on our customers' needs as part of our 21st Century Security vision. We foster collaborative innovation, provide opportunities for career development, & empower our employees with the skills needed to create cutting-edge products & solutions that keep our users Ahead of Ready. Who You Are As a Senior Software Engineer in the Radar Modeling and Simulation group, you will develop high performance C++ software. Your contributions will directly support radar modeling, scene modeling, signal construction, signal processing, and radar control processing components within simulation and digital twin environments. Your software will operate as part of a system of systems integrating with external components to enable high volume and high fidelity radar modeling and simulations. You will apply a systems engineering perspective to ensure delivery...

Description: Lockheed Martin’s Victor Portfolio of Space Security is seeking a highly skilled, motivated, and experienced Senior Software Engineer to join an Agile, cross‑functional team dedicated to protecting critical space assets. This role will focus on developing web‑based applications within an open‑architecture infrastructure that supports mission‑critical space‑security operations. The successful candidate will collaborate with internal development teams and subject‑matter experts, and thrive in a fast‑paced environment where each day brings new challenges. Key Responsibilities • Full‑Lifecycle Development – Design, implement, test, deploy, and maintain web applications and services that enable space‑asset protection. • Agile Collaboration – Participate in Scrum ceremonies (stand‑ups, sprint planning, retrospectives) and contribute to continuous‑improvement of team processes. • Open‑Architecture Integration – Build modular, reusable components that conform to...

Position Summary Odyssey Systems is seeking a Senior Software Engineer to support advanced situational awareness and multi-domain operations (MDO) programs. This role focuses on the design, analysis, and integration of RF and signal processing systems that enable next-generation battlefield awareness, electronic warfare, and spectrum management capabilities.   You will work closely with a multidisciplinary team of engineers, analysts, and operators to design and deliver systems that integrate data from diverse sensors, communications, and radar systems to provide actionable intelligence and operational advantage. The ideal candidate brings deep technical expertise in RF, signal processing, and spectrum management, along with experience contributing to mission-critical DoD programs in multi-domain environments.   This is a full time position located at MacDill AFB, FL or Ft. Belvoir, VA.    ***Contingent upon contract award***...

Position: Senior Software Test Engineer (Einfochips) Job Description: What You'll Be Doing: Lead and collaborate with a team of test engineers to ensure effective and efficient testing practices. Partner with cross-functional teams—including software, hardware, and systems engineers—to define testing requirements and priorities. Design, develop, and execute comprehensive test plans and test cases for embedded software and hardware components. Drive the adoption of automated testing frameworks and tools to improve test coverage, reliability, and efficiency. Identify, document, and track defects; communicate findings clearly to development teams and ensure timely resolution. Conduct root cause analysis of defects and lead initiatives to enhance product quality and optimize testing processes. Actively participate in agile ceremonies, including sprint planning, retrospectives, and daily stand-ups, to support collaboration and transparency. Maintain and continuously...

Overview LMI is seeking a Mid-Level Modeling & Simulation Engineer with deep expertise in physics and theoretical modeling to join our dynamic team focused on the space domain. In this role, you will leverage advanced physics principles to develop, simulate, and analyze complex space infrastructure systems including satellite constellations, ground stations, orbital networks, and resilient architectures. Your work will directly inform analytical recommendations for future force design decisions and optimizing space capabilities for mission effectiveness, survivability, resiliency, and strategic superiority.   This position is perfect for an analytical thinker who thrives on applying rigorous theory to real-world space challenges, using data-driven simulations to guide high-stakes decisions in defense and national security space sectors. This is an on-site role in Colorado Springs, CO.   LMI is a new breed of digital solutions provider dedicated to...

Description: 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. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. As a Principal Systems Engineer and the authority in Survivability Engineering, you will...

Description: What We're Doing Rotary and Mission Systems' Training, Logistics and Simulation (TLS) business is Lockheed Martin’s center of excellence for training and logistics products and services, serving the U.S. military and more than 65 international customers around the world. Based in Orlando, TLS develops programs that teach service men and women skills to accomplish their most challenging missions — flying the world’s most advanced fighter aircraft, navigating ships and driving armored vehicles. TLS is the corporation’s hub for simulation, X reality, live-virtual-constructive capabilities, advanced training devices and full-service training programs. TLS also provides sustainment services such as supply chain and logistics IT solutions, spares and repairs, as well as automated test and support equipment. THE WORK This is a position for a Software Engineering Lead on F35 Pilot Training Devices (PTD). As a Staff Software Engineer for the PTD team, you will: • Be...

Description: The Cyber Software Engineer (level 2) is a mid‑level role that requires owing security outcomes across the product lifecycle. In this position you will lead the definition of security architecture for new features and major refactors, conduct threat‑modeling investigations, and translate product requirements into concrete security controls. Responsibilities include spearheading comprehensive vulnerability assessments (static, dynamic, and dependency‑scanning) prioritizing vulnerability remediation, and ensuring continuous compliance with frameworks such as NIST, ISO 27001, and DoD RMF. The Cyber Software Engineer (level 2) will design, develop, and maintain advanced Python‑based automation that embeds security gates, secret scanning, policy‑as‑code, and automated remediation into CI/CD pipelines (GitLab, DevOps, Jenkins), and will evaluate emerging tools (e.g., SBOM generators, runtime protection platforms) for enterprise adoption. Authoring clear, detailed security...

Description: The Advanced Concepts Laboratory (ACL) focuses on research in revolutionary information technology concepts including classified research and development. Part of Advanced Technology Laboratory (ATL), ACL is the center of excellence for independent and contract research and development for the classified and intelligence communities. ACL nurtures this growth by meeting the very specialized technology goals and security requirements of our classified customers, while providing an environment wherein our technical talent can flourish beyond the leading edge. ACL engineers and scientists are integral to defining, researching, and developing basic and applied solutions with a strong emphasis on demonstrable prototypes which lead to the early deployment of new technology. A critical component to our programs is the research and testing networks used to perform this research. To achieve these goals, we must design, build, and maintain these complex networks and...

Description: You will be the FPGA Design Engineer for the Missile & Fire Control (MFC) team at Lockheed Martin. Our team delivers advanced FPGA solutions that enable current and next generation defense systems, providing the high performance computing and signal processing capabilities required for mission critical platforms. What You Will Be Doing As the FPGA Design Engineer you will develop FPGA architectures from specification through implementation, conduct trade studies to optimize device utilization, power and thermal performance, and work closely with software, hardware and systems engineers to define requirements and ensure compliance with the Design Assurance process. Your responsibilities will include: • Translating system specifications into detailed FPGA designs, creating RTL, constraints and HDL code (VHDL/Verilog). • Performing synthesis, place and route, timing analysis and power budget assessments to meet performance, power and thermal budgets. •...

Description: You will be the Senior Reliability Engineer for the Reliability & Durability Team. Our team safeguards product performance by identifying hidden failure risks, designing accelerated life test programs, and delivering data driven mitigation strategies that keep our systems on track from concept through field service. What You Will Be Doing As the Senior Reliability Engineer you will be responsible for leading Failure Modes, Effects, and Criticality Analyses (FMECA) on parts and sub assemblies, and for creating test plans that use accelerated aging models to prove reliability and lifecycle durability. You will work hand in hand with design engineers, material scientists, test labs, and program managers to surface risks early, quantify them accurately, and drive corrective actions. Your responsibilities will include: • Develop and maintain component level FMECA worksheets that comply with MIL STD 1629A (or equivalent) and internal reliability standards. •...

Description: By bringing together people that use their passion for purposeful innovation, 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 diverse 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. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Lockheed Martin Rotary & Mission Systems is seeking a full-time Early Career Systems Engineer. The position is an I&T engineer responsible for planning, executing and debriefing daily lab sessions during single-ship or multi-ship F-35A/B/C simulator test...

Basic Qualifications Bachelor's degree in Electrical Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is obtainable within a reasonable amount of time after hire. 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 ROLE AND POSITION OBJECTIVES As a Mid-Level Electrical Integration Engineer , you'll be a contributing member of a cross-functional team responsible for the design, integration, and test of electrical infrastructure , with a focus on cable plant architecture supporting...

Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work We are seeking a **Software Engineer** to drive complex software solutions for Rotary and Mission Systems business area in Mount Laurel NJ. Working with only general direction, you will independently define solution approaches, lead design reviews, and ensure software deliverables meet cost, schedule, and technical requirements. You will develop software using C++ and Java in a dynamic and collaborative Agile environment, supporting the full lifecycle of complex state-of-the-art systems that are deployed across the globe. As the Software Engineer, you will: • Design, develop and integrate software components • Lead peer reviews and collaborate with system engineers to...

Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work As the Lead Software Engineer, you will: • Provide technical direction and tasking to a team of multi-disciplinary engineers • Interface with program and customer representatives on scope, schedule and funding • Ensure technical integrity of delivered product and ensure alignment to department roadmap and vision • Be responsible for technical, cost and schedule performance of an effort • Lead software‑engineering activities for simulation and training subsystems across the full product lifecycle, including the software architecture and design, software implementation, and software validation testing. • Contribute to product line road maps and influence future technology...

Description: As the electronics engineer you will be responsible for testing a variety of electronic equipment, system interconnect and cabling designs in support of the Test Support Products You will participate in requirements analysis, configuration determination, design, materiel procurement, manufacturing, test and acceptance of cabling & interconnects for a wide variety of electrical and electromechanical test systems and multi-function integrated test equipment in support of the US Navy's Ballistic Missile Flight Test Program. As the electronics engineer you will mentor junior engineers, interface extensively with our customer, as well as, senior leadership. You will also create/update project/process documentation that align to project requirements. Specific responsibilities include but are not limited to: Lead the design, procurement, assembly, test, and verification of missile test systems, including data review and trending Develop requirements from...

Description: 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. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. A Level 5 GN&C Integration Engineer drives the end-to-end development, integration,...

Description: 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. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. A Level 5 Simulation Integration Engineer is a senior role responsible for...