689 junior software engineer jobs found

Basic Qualifications Requires a 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   As an Embedded Software Engineer, working with custom Hardware built in-house, for our Cyber group,   you’ll be a member of a cross functional team responsible for developing mission critical NSA-certified Cybersecurity devices in a rapidly growing product line. You’ll be working at the cutting...

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...

Description: The Advanced Technology Center (ATC) has a new and exciting opportunity for a Senior Staff Software/System Integrator Engineer. The selected candidate will take on a multi-faceted role as the senior staff software/system engineer to realize some of the kind of innovations to harvest the data that will redefine the future in scientific research. Responsibilities include, but not limited to: You will have the opportunity to be a part of a high-performing team with responsibilities that include: • Designing, developing, documenting, testing, and debugging software for complex, unique control systems. • Participating in the full software/system test and integration. • Developing straightforward, creative solutions to complex unique technical challenges. • Participating in the team’s daily stand-ups, testing, and demos. • Developing subsystem and system tests to integrate flight software with boards, boxes, instrument and observatory. • Providing inputs towards the...

Description: WHAT WE'RE DOING 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. Your Mission is Ours. THE WORK Lockheed Martin has been embedded with the USSTRATCOM Nuclear Mission for 30+ years and has a track record of bringing innovative mission software solutions to this domain. Lockheed Martin Rotary & Mission...

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...

Position: Senior Software Test Engineer Job Description: Purpose of this position / Position summary                                                                                                                We are seeking a highly skilled and experienced Senior Software Test Engineer to join our Quality Assurance team. The ideal candidate will have extensive experience in both Manual and Automation Testing, a strong understanding of the Software Testing Life Cycle (STLC), and hands-on expertise with modern automation tools and frameworks. Experience in the healthcare domain and Windows application testing is highly preferred. Primary duties and responsibilities Key Responsibilities Design, develop, execute, and maintain manual and automated test cases for web, API, and Windows-based applications. Participate in all phases of the Software Testing Life Cycle (STLC), including requirements analysis, test planning, test design, execution, defect...

Position: Senior Java Software Engineer Job Description: We are looking for a skilled Senior Java Developer to join our team and take ownership of designing, developing, and maintaining robust, scalable Java-based applications. This role requires deep expertise in Java and its related frameworks, strong problem-solving abilities, and a solid understanding of modern development practices. As a Senior Developer, you will lead project initiatives or development teams, collaborate closely with cross-functional groups including QA, DevOps, and UI/UX designers, and provide technical guidance to junior developers. You’ll play a key role in ensuring our applications meet high standards of performance, scalability, and alignment with business goals. Key Responsibilities Design, implement, debug, and deploy Java-based applications across the full SDLC.   Collaborate with cross-functional teams to develop robust, maintainable solutions. Contribute to technical...

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...

Position Summary Odyssey is recruiting for a Software Engineer to support the North American Aerospace Defense Command (NORAD) Cheyenne Mountain Complex-Integrated Tactical Warning/Attack Assessment (NCMC-ITW/AA) and CCIC2S Enterprise Networks within the Strategic Warning and Surveillance Systems Acquisition Delta.    Program: The  NCMC-ITW/AA effort sustains unique ITW/AA Cheyenne Mountain systems, networks, and associated components through an enterprise-wide set of integrated mission capabilities, support services, and data products that provide military authorities with an accurate, timely, unambiguous and continuous warning and attack assessment of air, missile and space threats.   The CCIC2S effort sustains the CCIC2S Enterprise and provides data communications between external sensors and end users, mission processing for air and missile warning, and system operations functions.  The CCIC2S enterprise provides a data communications...

Position Summary Odyssey Systems has an exciting new opportunity for a Test Engineer for the Engineering, Professional, and Administrative Support Services (EPASS) Contract at Peterson SFB. As the Test Engineer you will provide technical and engineering support for Enterprise Resource Planning (ERP) and major IT Test and Evaluation (T&E) to SSC SYD 85 in the S5.   Responsibilities Duties includ e, but not limited to:  Documenting the review, test concept development, test methodology development, test plan development, test execution, and test reporting, data reduction and analysis, and end user operational testing Using Design of Experiments methods to plan and conduct test programs Independently prepare (or advise others in the preparation of) criteria, computation/analyses, specifications, cost estimates test plans, and technical reports in the specific area of technical expertise Select and apply...

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. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...

Position: Market Development Engineer Job Description: This Market Development Engineer will be primarily responsible for supporting customer’s technical needs around low power IoT Wireless electronic components like WiFi, Bluetooth, ZigBee and Thread SoCs.  In addition, the ideal candidate should also have strong background in ARM-based multi-core application processor solutions (32-bit and 64-bit) from suppliers like Qualcomm.  What You'll Be Doing Responsible for utilizing an advanced understanding of the customer needs and technical leadership expertise to champion return on engineering investment. • Drive demand creation by maximizing Arrow content on designs. Understand customer needs and leverage Arrow’s engineering and design services resources to facilitate solutions for customers. Apply technical knowledge to influence designs utilizing solution selling, resources, and strategies.  Partner with the sales team across pre-and post-sales activities, providing...

Description SAIC is seeking a highly motivated and experienced Senior Systems Engineer to join our team supporting the USMC in Hanahan, SC. The ideal candidate will leverage their technical expertise to design, develop, test, and integrate systems that enhance the performance and reliability of the Combat Data Network or MAGTF Common Handheld for mission-critical operations. This role requires strong analytical skills, collaborative teamwork, and a deep understanding of system engineering standards and practices in support of Department of War (DoW) mission systems. Job Duties: Provide systems engineering support for the development, integration, testing, and sustainment of Marine Corps systems. Conduct detailed systems analysis to define system design architecture, specifications, and operational workflows aligned with customer requirements. Design, document, and manage technical baselines, ensuring adherence to DoW standards and best practices. Develop and execute...

Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...

Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...

Description SAIC is seeking a Junior TACNET ISEA Network Engineer (Fleet Support) ONSITE in San Diego, CA . This role will support the Tactical Networks (TACNET) Capabilities Based In Service Engineering Agent (CB-ISEA). TACNET CB-ISEA supports the sustainment and modernization of Automated Digital Network System (ADNS), Consolidated Afloat Network and Enterprise Services (CANES), Combined Enterprise Regional Information Exchange System (CENTRIXS), Integration Shipboard Networking System (ISNS), Sensitive Compartmented Information (SCI) Networks, Video Information Exchange System (VIXS), and Wireless Reachback System (WRBS) Programs of Record information systems. * This position supports a 24/5 networking monitoring. Must be willing to work rotating shifts on weekdays: 5am-12pm, 1pm-9pm, and/or 9pm-5am. In addition, this position supports rotating shifts providing 24 hour support 5 days per week with occasional on-call. This position will feed into a TACNET Network Engineer...

Description The Systems Simulation, Software, and Integration (S3I) Directorate is seeking a Lead Interoperability Test Engineer to manage and support the Interoperability Team and Interoperability Engineering System (IES). In this key leadership role, the selected candidate will oversee and guide test and evaluation efforts across various U.S. Army platforms, ensuring these critical systems meet communication link and interoperability standards. The Lead Engineer will serve as a subject matter expert and will provide technical and leadership support for efforts related to compliance and certification, including Army Interoperability Certification (AIC) and Joint Interoperability Test Command (JITC) Certification, while mentoring junior team members. Duties include supervising requirements and system engineering analysis, developing and reviewing test plans and procedures, interpreting military data link standards, managing laboratory integration activities, and leading...

Description: Lockheed Martin "Ahead of Ready" 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. For over 70 years, the Fleet Ballistic Missile...

Description: WHO WE ARE Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. 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 scope of this effort encompasses tasks that provide USCYBERCOM with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to...