410 junior software engineer jobs found

Everforth ECS is seeking a Junior Software Engineer Intern to work in our Fairfax, VA office for the summer of 2026. This internship offers a unique opportunity to move beyond the classroom and gain firsthand experience with production-grade workflows and real-world datasets. You will work alongside senior engineers and scientists to move models from research to the tactical edge, ensuring from end to end, both our warfighters & decision makers are empowered with the latest technology solutions at their fingertips. Job Description: ECS is seeking a Junior Software Engineer to participate in a team of scientists and engineers, and to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. The candidate works closely with the Project Manager and technical team to swiftly develop solutions in an agile environment and deploy capabilities to the operational end user. The candidate cultivates an...

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 SAIC has a position open for a Junior Software Engineer located in Huntsville, Alabama. The selected candidate will be a member of a team providing software support to the US ARMY. Roles and Responsibilities: Assist in designing, implementing, testing, and deploying software solutions that meet project requirements. Write clean, efficient, and maintainable code that adheres to industry standards. Debug, troubleshoot, and resolve software issues with guidance from senior engineers. Participate in code reviews to improve overall quality and incorporate feedback into your work. Contribute to documentation for technical processes, features, or solutions. Collaborate with team members and stakeholders in Agile/Scrum workflows, ensuring timely delivery of tasks. Qualifications Education Requirements: Bachelor's degree in Computer Science preferred; degrees in Computer Information Systems or related fields are also...

Clearance Requirement: Ability to obtain and maintain a Secret Clearance Travel Requirements: Minimal travel; may be required to support customer site visits as needed Location: Norfolk, VA (Little Creek) SUMMARY: WR has an opportunity for a Junior Software Engineer to research, design, and develop computer software systems in support of hardware product development and integration efforts. Position responsibilities will include, but are not limited to the following: Design, develop, test, debug, and document software applications and systems Participate in system configuration, integration, and deployment activities Provide technical support to users in the development and integration of systems and environments Install, maintain, and upgrade software systems and user utilities; diagnose and resolve system issues Research, design, and develop software solutions using scientific analysis and mathematical models Develop and execute...

ECS is seeking a Junior Software Engineer Intern to work in our Fairfax, VA office for the summer of 2026. This internship offers a unique opportunity to move beyond the classroom and gain firsthand experience with production-grade workflows and real-world datasets. You will work alongside senior engineers and scientists to move models from research to the tactical edge, ensuring from end to end, both our warfighters & decision makers are empowered with the latest technology solutions at their fingertips. Job Description: ECS is seeking a Junior Software Engineer to participate in a team of scientists and engineers, and to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. The candidate works closely with the Project Manager and technical team to swiftly develop solutions in an agile environment and deploy capabilities to the operational end user. The candidate cultivates an environment...

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....

Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience. 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   ROLE AND POSITION OBJECTIVES: As a RUST Embedded Software Engineer, working with custom Hardware built in-house, for our Cyber group,   you’ll be a member of a cross...

Description SAIC has an immediate opening for a Software Engineer to maintain, upgrade, and develop as necessary a custom software solution critical to the daily execution of our customer's mission. The software the candidate will be responsible for maintains the customer office's configuration management library and automated processes. The current software solution runs in a SharePoint environment and integrates custom Java code to perform customer specific use cases. Roles and Responsibilities: Working with a team responsible for office governance and configuration management activities, the candidate will: Perform software maintenance and minor upgrades to address user concerns Perform testing and debugging ahead of software release to ensure no interruption to operations Provide support, troubleshooting, and training to end users as necessary in use of system Develop emerging team use cases into software as necessary Maintain...

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: : 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 This position has a $5,000 sign on bonus.   ROLE AND POSITION OBJECTIVES: We are seeking an experienced Software Engineer to support the SWFTS, Cyber, and SW Infrastructure functional areas. This role combines hands-on software development with technical...

Description SAIC is searching for a motivated, career and customer-oriented Senior Software Test Engineer who performs high-level, day-to-day software testing solutions to join our team and begin an exciting and challenging career. This is a 100% Remote role. Job Description: Develops and executes test plans, test cases, and test procedures to ensure that all information systems products and services meet organization standards and end-user requirements. Develops test plans, test schedule, and approach. Writes test cases and scripts and identifies data for test scenarios. Conducts a walk through on test case/script with Test Managers, Requirement Leads, Project Managers, and Development Leads. Performs and leads tests of software and/or IT systems to ensure proper operation and freedom from defects. Performs verification activities on work products using defined methods, procedures and criteria with an appropriate verification environment. Documents and communicates...

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...

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 delivery...

Description: WHO WE ARE: The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. We operate out of the Skunk Works headquarters in Palmdale, CA in a fully onsite and hands on team. WHAT’S IN IT FOR YOU: This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their...

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: You will be the Senior Software Engineer for the team which is responsible for the development and delivery of software models with the ability to make independent and solid decisions during the software development process. What You Will Be Doing As the Senior Software Engineer you will be responsible for leading the design, development, and delivery of high‑quality software solutions in a lab environment. You will mentor junior engineers, drive architectural decisions, and collaborate closely with cross‑functional teams to ship reliable, scalable, and high‑performing products. Your responsibilities will include: Lead design and development of software solutions. Mentor junior engineers and foster technical growth. Drive architectural decisions and enforce best practices. Collaborate with cross‑functional teams to ensure reliability and scalability. Oversee delivery, testing, and performance optimization of products. What’s In It...

Description: WHO WE ARE At Lockheed Martin, we are driven by innovation and integrity. By applying the highest standards of business ethics and forward‑thinking, we can achieve anything. We value your skills, training, education, and background, and we are committed to providing a work environment that encourages and supports employees to think big, perform with quality, and build incredible products. WHAT WE'RE DOING We are seeking a **Software Engineer** to drive complex software solutions for Mission Systems. Working with only general direction, you will independently define solution approaches, lead design reviews, and ensure software deliverables meet cost, schedule, and technical requirements. THE WORK - Design, develop, and integrate software components for mission‑critical systems. - Lead technical design reviews and validate solutions against requirements. - Collaborate with internal and external customers, cross‑functional teams, and senior technical...

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...

Everforth ECS Federal is seeking a Senior Information Systems Security Engineer to work in our Huntsville, AL office. Please Note: This position is contingent upon contract award. The Senior ISSE SME will support cybersecurity, risk management, and security authorization activities for law enforcement and national security organizations. This role will provide technical security engineering, Risk Management Framework lifecycle support, and secure architecture expertise for complex federal information systems operating in sensitive and mission-critical environments. The Senior Information Systems Security Engineer will work closely with system owners, security officers, security managers, technical teams, and cybersecurity stakeholders to strengthen system security posture, improve the quality of authorization artifacts, and support timely, defensible risk-based authorization decisions. Responsibilities Serve as a senior security engineering advisor for assigned federal...

Everforth ECS is seeking a Junior Linux Systems Engineer to work out of our Fairfax, VA and/or Springfield, VA office supporting our government customer. Everforth ECS is seeking a Junior Linux Systems Engineer with hands-on Red Hat experience and a foundational understanding of cybersecurity to support geospatial intelligence (GEOINT) programs within the National Geospatial-Intelligence Agency (NGA). In this role, you will help build, integrate, and sustain Linux-based systems that process and analyze large-scale geospatial and sensor data. You'll work closely with engineers, developers, and analysts to ensure systems are performant, secure, and mission-ready. This is an excellent opportunity for early-career engineers to gain experience with data-intensive pipelines, modern infrastructure, and classified mission systems. Responsibilities include: To be on-site, either at HQ or customer sites 5-days a week when necessary Build, configure, and troubleshoot...