Junior Software Engineer (SWE-1) LeidosJunior Software Engineer (SWE-1)MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. June 15, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Software Engineer 1 Nightwing Intelligence SolutionsSoftware Engineer 1Annapolis Junction, Maryland$99,000–$206,000 / yearFour 4 years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree Technologies: React, Material UI, Typescript, Javascript, Java, AngularJS, HTML5, CSS, webpack, REST Services, Neo4j, Cypher, Maven, Springboot, Tomcat, MongoDB, Docker, AWS Have the ability to work in a collaborative environment with internal and external stakeholders. Typically requires bachelor’s degree in computer science or related discipline from an accredited college or university and Seven 7 years’ experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Software Engineer 2 Nightwing Intelligence SolutionsSoftware Engineer 2Annapolis Junction, Maryland$122,000–$253,000 / yearTypically requires bachelor’s degree in computer science or related discipline from an accredited college or university and fourteen (14) years’ experience as a SWE on programs and contracts of similar scope, type, and complexity. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Software Engineer 3 Nightwing Intelligence SolutionsSoftware Engineer 3Annapolis Junction, Maryland$122,000–$253,000 / yearTypically requires bachelor’s degree in computer science or related discipline from an accredited college or university and Twenty (20) years’ experience as a SWE on programs and contracts of similar scope, type, and complexity. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Principal Cyber Software Engineer (iOS) Nightwing Intelligence SolutionsPrincipal Cyber Software Engineer (iOS)Sterling, Virginia$99,000–$206,000 / yearThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real-time cyber challenges, working on site with our end users in their spaces.
Staff Software Engineer - Cybersecurity Geico InsuranceStaff Software Engineer - CybersecurityBethesda, MD$100,000–$260,000 / yearThe Staff Engineer brings in expertise in requirements identification, feasibility analysis, secure infrastructure designs, technology evaluation and selection, and implementation of scalable systems using CI/CD and DevSecOps to raise the bar on engineering excellence and security best practices. This role will be responsible for leading enterprise initiatives and collaboration with cross-functional teams as well as designing and implementing secure and scalable solutions to drive Vulnerability Management initiatives.
Senior Principal Cyber Software Engineer (iOS) Nightwing Intelligence SolutionsSenior Principal Cyber Software Engineer (iOS)Sterling, Virginia$122,000–$253,000 / yearThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real-time cyber challenges, working on site with our end users in their spaces.
Senior Cyber Software Engineer (iOS) Nightwing Intelligence SolutionsSenior Cyber Software Engineer (iOS)Sterling, Virginia$77,000–$163,000 / yearThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real-time cyber challenges, working on site with our end users in their spaces.
Software Engineer 1 (TS/SCI w/Poly) CACISoftware Engineer 1 (TS/SCI w/Poly)Columbia, Maryland$72,700–$149,200 / yearExperience in one (1) or more of the following ten (10): Public Key Enabling (PKE); RESTful services and containers (Oracle WebLogic, JBoss, Tomcat), Java programming language, Perl programing language, Java EE, Secure web (SSL) and file encryption, LDAP (RedHat directory) Java, Linux (CentOS), Modern IDEs (IntelliJ, Eclipse, etc.), Agile Scrum process• 1 - 4 year's experience programming in the Linux, Unix or Windows operating system environment• 2 - 4 year's experience writing/maintaining software in Java or GoLang language• 1 - 2 years' experience with the Spring Framework• 1 year experience providing/using restful interfaces• 2 - 4 years' experience using software development configuration management tools (such as GIT, CVS)• 1 -2 years' experience with test harness software such as Junit or FIT• Potentially CWIP Requirements: IAM Level I Certification. These activities are provided for the local stakeholders as well as the Intelligence Community (IC), the Department of Defense (DoD) and other federal partners• The DTS portfolio encompasses transport streams, messages and files with content size ranging from bytes to Terabytes• Candidates should have experience writing analytics using Apache Hadoop, HDFS, and MapReduce• Experience processing large data sets or high-volume data ingest is a plus• Experience monitoring, maintaining and troubleshooting Apache Accumulo, Apache Hadoop, and Apache Zookeeper deployments is required• Knowledge of the Spring Framework and Dependency Injection.• Linux proficiency is required, all development is done on Linux systems.•
CNO Focused Sr. Software Engineer Set of XCNO Focused Sr. Software EngineerAnnapolis Junction, MD$120,000–$247,000 / yearSoftware Engineer will be supporting analysts and operators in multiple product groups by designing, developing, and integrating tools to automate data collection, analysis, and presentation. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.
Full Stack Software Engineer ANDURIL INDUSTRIESFull Stack Software EngineerWashington, DC$132,000–$198,000 / yearLead the development of prototypes to demonstrate advanced concepts in areas like autonomous and multi-agent systems, GenAI, advanced data analytics, quantum computing/sensing/networking/comms/machine learning, modeling, simulation, optimization, visualization, next-gen human-machine interfaces, heterogenous computing, and cybersecurity. unsupervised learning, regression, classification, clustering, deep learning neural networks, NLP, LLMs, SLMs, model fine-tuning, prompt engineering, RAG) and hands-on experience developing (Gen)AI-enhanced applications or services.
Software Engineer, Connected Warfare ANDURIL INDUSTRIESSoftware Engineer, Connected WarfareWashington, DC$129,000–$253,000 / yearAs the software engineers closest to Anduril customers and end-users, Mission Software Engineers solve technical challenges of operational scenarios while owning the end-to-end delivery of winning capabilities such as Lattice Mesh, Joint All Domain Command & Control, and Anduril's Menace Family-of-Systems. Deliver well-architected systems using modern software engineering practices-including code and design reviews-while championing scalability, reliability, testability, portability, and maintainability.
Tracking Software Engineer, Space ANDURIL INDUSTRIESTracking Software Engineer, SpaceWashington, DC$166,000–$220,000 / yearYou will design and implement multi-target tracking systems using advanced state estimation and data association techniques, develop physics-based models to validate performance, and work closely with software teams to deploy your algorithms into operational systems. We're developing fully integrated hardware and software systems, including Lattice for Space Missions and modular payloads, to address growing threats in space and ensure our Guardians maintain a decisive advantage in this contested war-fighting domain.
Senior AI/ML Software Engineer - Cyber Network Operations CACISenior AI/ML Software Engineer - Cyber Network OperationsFort Meade, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
Med - Software Engineer VTGMed - Software EngineerHanover, MarylandFull timeThis position will support a mission-focused customer developing, deploying, and maintaining user facing Command and Control Systems for embedded devices. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Staff Software Engineer, Connected Warfare ANDURIL INDUSTRIESStaff Software Engineer, Connected WarfareWashington, DC$220,000–$292,000 / yearAs the software engineers closest to Anduril customers and end-users, Mission Software Engineers solve technical challenges of operational scenarios while owning the end-to-end delivery of winning capabilities such as Lattice Mesh, Joint All Domain Command & Control, and Anduril's Menace Family-of-Systems. Deliver well-architected systems using modern software engineering practices-including code and design reviews-while championing scalability, reliability, testability, portability, and maintainability.
Senior Software Engineer – Full Stack CACISenior Software Engineer – Full StackAnnapolis Junction, Maryland$131,800–$290,000 / yearPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Job Title: Senior Software Engineer – Full StackJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity .
Endpoint Engineer LeidosEndpoint EngineerBowie, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
NewHardware (Electrical) Engineer Shift5Hardware (Electrical) EngineerArlington, VA$130,000–$180,000 / yearIt requires technical fluency in PCB design, ownership of the full hardware development lifecycle, and the Relentless Innovation needed to solve the toughest problems facing the transportation and defense industries. This role sits at the intersection of Electrical Design , Hardware Lifecycle Management , and Aerospace/Defense Compliance and will play a critical role in supporting Shift5's next phase of growth.
Sr. Software Engineer - CTJ - Poly MicrosoftSr. Software Engineer - CTJ - PolyAnnapolis Junction, MD$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.