Senior Hardware/Software Design Engineer (HSDE-3) LeidosSenior Hardware/Software Design Engineer (HSDE-3)Annapolis Junction, MarylandTechnical Proficiency : Strong experience required for FPGA coding, Digital Signal Processing theory & application, Interfacing FPGA code with existing code bases and software; Knowledge of signal processing blocks and related DSP components, Linux OS, coding ability in C and C++. Seeking an experienced senior HW/SW Design Engineer to join a small team to design, develop, construct, and test electronic hardware (FPGA) and software processing components for subsystems supporting RF communication and collection systems.
Software Engineer (SWE-2) LeidosSoftware Engineer (SWE-2)MarylandMission Focus : Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software.
Elasticsearch Systems Engineer (SME) LeidosElasticsearch Systems Engineer (SME)Bethesda, MarylandJanuary 20, 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. Our 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.
CNO Software Engineer Booz Allen HamiltonCNO Software EngineerAnnapolis Junction, MarylandAs a computer network operations (CNO) specialist, you know that embedded and application developers, reverse engineers, and vulnerability analysts all play key roles in the CNO capability development lifecycle. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Embedded Software Engineer III Iridium Satellite, LLCEmbedded Software Engineer IIIMcLean, Virginia$100,000–$130,000 / yearBachelor’s degree in electrical engineering, computer engineering, or a related technical field with 5+ years of relative software experience, including: 3+ years’ experience developing embedded software, preferably for microcontrollers. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected.
AWS AI Cloud Engineer Booz Allen Hamilton Inc.AWS AI Cloud EngineerUSA, VA$86,800–$198,000 / year2+ years of experience with AWS services and cloud-native architecture patterns, including ECS or EKS, Amazon Bedrock, CloudWatch, RDS, DynamoDB, IAM policies, security groups, and network security. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Senior Full-Stack Software Engineer - Front-End Focused Stand TogetherSenior Full-Stack Software Engineer - Front-End FocusedArlington, Virginia$140,000–$170,000 / yearStand Together is a philanthropic community that helps America’s boldest changemakers tackle the root causes of our country’s biggest problems, from education to the economy, broken communities, and toxic division, among dozens of other pressing issues . As a Senior Full-Stack Software Engineer (Front-End Focused) on our Enterprise IT team, you will own the design implementation for the consumer-facing web applications that serve as the front door to Stand Together's philanthropic community.
Frontier AI Research Engineer, Lead Booz Allen Hamilton Inc.Frontier AI Research Engineer, LeadWashington, DC$128,700–$292,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. The Lead Engineer translates frontier concepts into working systems, ensures technical excellence across prototypes, and serves as the lab's senior-most hands-on engineering authority.
CNO - Test Engineer - Jenkins, Splunk, Linux Erias VenturesCNO - Test Engineer - Jenkins, Splunk, LinuxAnnapolis Junction, MarylandAbility to set priorities and rearrange schedules to address unexpected issues; and perform baseline, unit/integration, component, and regression level testing in support of research and development efforts. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Software Integration Engineer III ClearEdgeSoftware Integration Engineer IIIAnnapolis Junction, MDBachelor’s degree in Computer Science or related field with eight (8)+ years of related experience or five (5) years of full-time Computer Science experience can substitute for a degree, with an additional eight (8) years in relevant roles. Your Mission: As a Software Integration Engineer, you will play a critical part in the integration, installation, configuration, and sustainment of mission-essential software in a complex operating environment.
Antenna Systems & Hardware Engineer Johns Hopkins Applied Physics LaboratoryAntenna Systems & Hardware EngineerLaurel, MarylandFull timeDevelop and apply antenna and RF aperture modeling and simulation tools (e.g., full-wave EM solvers, array analysis codes, custom MATLAB/Python tools) to design, analyze, and trade antenna and array performance across a variety of operational scenarios. Plan, execute, and analyze antenna and RF aperture measurements in laboratory, chamber, and field test environments, including radiation pattern measurements, gain and efficiency, impedance, polarization characteristics, and array calibration.
Principal Identity Solutions Engineer TS/SCI Polygraph LeidosPrincipal Identity Solutions Engineer TS/SCI PolygraphHanover, MarylandJob Summary: The Secure Token Service (STS) Team Lead is responsible for leading the design, implementation, and sustainment of enterprise Identity, Credential, and Access Management (ICAM) solutions focused on Secure Token Services (STS) and Single Sign-On (SSO) capabilities. The ideal candidate possesses deep technical expertise in federation technologies, PKI, authentication protocols, cloud environments, and enterprise security architectures while serving as the technical lead for planning, implementation, and customer engagement.
Senior Artificial Intelligence (AI) Engineer (SWE-3) LeidosSenior Artificial Intelligence (AI) Engineer (SWE-3)MarylandThe candidate must be highly proficient with modern version control and model/code management using Git, GitLab, Hugging Face, Bailo (or similar), and demonstrate a proven track record of driving AI solutions from concept through governed production deployment in sensitive, mission-focused environments. The role requires hands-on expertise with analytic development environments and cloud-native platforms (e.g., GMLearn, Container Yard, AWS SageMaker, AWS EKS), as well as strong agile delivery skills using Scrum or Kanban and tools such as Jira and Confluence.
Senior Software Engineer - 25K Sign on Bonus LeidosSenior Software Engineer - 25K Sign on BonusAnnapolis Junction, MarylandJuly 22, 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. Our 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.
Lead Network Engineer Quadrant IncLead Network EngineerFt. Meade, MDPerform testing and support implementation of the DMZ COI VPN (part of NIPRNet Hardening project), which provides separation of the NIPRNet traffic and Mission Critical Community of Interest (COI) traffic using the MPLS L3VPN service. Strong routing protocols experience: BGP, MPLS/RSVP, OSPF, IS-IS, Multicast, Layer-2/Layer-3 Virtual Private Network (VPN) and Carrier Supporting Carrier (CsC).
Senior Test Engineer LeidosSenior Test EngineerAnnapolis Junction, MarylandJuly 22, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Signals Software Engineer LeidosSignals Software EngineerColumbia, MarylandJuly 22, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Systems and Platform Engineer LeidosSystems and Platform EngineerBethesda, MarylandJuly 23, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Senior Signals Software Engineer LeidosSenior Signals Software EngineerAnnapolis Junction, MarylandSeven (7) or more years’ experience as a SSWE or equivalent on a project with a focus on Radio Frequency (RF) to include experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. July 22, 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.
Senior Software Engineer LeidosSenior Software EngineerAnnapolis Junction, MarylandJuly 22, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.