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Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. This role focuses on integrating security best practices into CI/CD workflows, supporting containerized environments, and maintaining cloud infrastructure within classified and unclassified environments.

YEAR

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Mid-Level DevSecOps Engineer

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You will contribute across the full software lifecycle-from developing scalable backend services and integrating modern Artificial Intelligence (AI/ML) workflows to building responsive, intuitive web user interfaces for analysts and end-users. To support this mission, our Cyber Analytics team is seeking a Cloud Software Engineer (Full-Stack and AI) - Mid-Level to play a key role in building, optimizing, and deploying enterprise-scale, AI-enabled data processing and visualization systems.

Red Horse Corporation Ltd.

Mid Level Cloud Software Engineer

Build secure CI/CD and software delivery pipelines: You will automate build, test, security scanning, artifact creation, and deployment, including SAST, DAST, secret scanning, dependency scanning, image scanning, STIG validation, and end-to-end testing. Turn our infrastructure into a portable, repeatable artifact: You will use Infrastructure-as-Code to make our environments reproducible, auditable, and portable across deployment targets while implementing applicable DISA STIG and NIST 800-53 controls.

Manifold Industries

Staff Platform Engineer

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ADAPTED_NOW

For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. You demonstrate strong product sense for identifying high-impact automation opportunities, sound technical judgment in implementation decisions, and the ability to clearly articulate architectural trade-offs.

ConsultNet

Fullstack Engineer- AI Augmented Engineer

For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. We are seeking a Senior Full Stack Engineer to design and build scalable applications that support complex, data-driven workflows in a highly regulated environment.

Fullstack Engineer- Java, Angular, AWS

For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. You will be responsible for building and maintaining secure, scalable platform services that support modern application development using AWS and/or Azure, container technologies, Infrastructure as Code (IaC), and CI/CD pipelines.

Sr. System Engineer

The ideal candidate brings strong hands-on application security expertise, experience integrating security into CI/CD pipelines, and the ability to leverage modern automation and GenAI technologies to scale secure code review and vulnerability analysis capabilities. For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact.

Application Security Engineer

Technical Skills & Tools (Must-Haves): 2+ years shipping LLM-backed features to real users, in systems that carried error budgets, on-call rotations, and customers who noticed regressions. Job level and actual compensation will be decided based on factors including, but not limited to, individual qualifications objectively assessed during the interview process (including skills and prior relevant experience, potential impact, and scope of role), market demands, and specific work location.

Mapbox Inc

Senior AI Engineer, MapGPT

Company Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people's lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Cubic Digital Intelligence is seeking a Software Engineer II to join the Unified Video engineering organization with a focus on engineering automation, developer productivity, and AI-assisted software development.

2018 America's Best Midsize Employers, by Forbes

Cubic Corporation is the parent company of three major businesses, Cubic Transportation Systems (CTS) and Cubic Mission & Performance Solutions (CMPS). 

CTS is a leading integrator of payment and information technology and services for intelligent travel solutions worldwide. 

CMPS is a leading provider of realistic combat training systems, secure communications and networking, and highly specialized support services for military and security forces of the U.S. and allied nations. CMPS also provides networked Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) capabilities for defense, intelligence, security, and commercial missions.

Cubic Corp

Automation Engineer - Unified Video Sustainment

Required skills: Bachelor’s Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. Hands-on experience administering Nutanix HCI environments, including AHV, Prism Central, Prism Element, virtual machine lifecycle management, storage, networking, and cluster operations.

FST Technical Services was founded in 1984 to serve the needs of the growing, worldwide Semiconductor/Microelectronics and Life Sciences industries. We began as an independent interface between our clients and their subcontractors to establish build clean installation methods that satisfied internal specifications and conformed to regulatory requirements.
 
FST’s core expertise is in developing technical and logistical solutions for complex needs by continually investing in the most advanced equipment and training to meet the needs of the rapidly changing markets it serves. Today, our business has expanded to additional markets, including Automation, Manufacturing, Data/IT Centers, Energy/Advanced Technology and Technology/Research Laboratories.
 
Our experienced FST team serves as your trusted partner for QA/QC Services, Equipment Services, Staffing Solutions, Project Management, Analytical Testing and Inspections – virtually anything you might need throughout your project lifecycle. FST professionals also provide project consultation and employee training. We guide our customers throughout each project phase to ensure full compliance.
 
With peerless performance and proven results, FST is with you all the way.

D2 Technical Services

Linux Systems Engineer

Draper is actively seeking a Senior Cyber Effects Engineer that will support current and future reverse engineering, vulnerability research, and cyber tool development projects across a variety of domains supporting the United States of America's national interest. As a part of the Draper Cyber Effects team, you will drive the design and development of software tools and capabilities, perform static and dynamic analysis on diverse firmware and software, and share your expertise with others via mentoring and technical leadership opportunities.

The Charles Stark Draper Laboratory

Senior Cyber Effects Engineer

For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. We are seeking a Full-Stack Software Engineer to build production-grade web applications, automation, and developer tooling that improve the software development lifecycle.

Software Engineer

Chicago, IL: $149,800 - $171,000 for Integration Engineer 4. McLean, VA: $164,800 - $188,100 for Integration Engineer 4. Richmond, VA: $149,800 - $171,000 for Integration Engineer 4. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Bring a passion to stay on top of tech trends, experiment with and learn new technologies, participate in internal and external technology communities, and mentor other members of the engineering community.

Capital One Financial Corp

Integration Engineer 4

Our client is seeking a talented Automation Services Engineer in Leesburg, VA to join a growing team focused on building the automation, tooling, and platform services that empower engineering organizations to move faster, operate more efficiently, and deliver reliable outcomes. This team functions as a platform engineering and enablement organization, creating the infrastructure automation frameworks, CI/CD pipelines, validation systems, and shared services that other engineering teams depend on every day.

Akkodis Group AG.

Automation Services Engineer (Linux/Ansible/CI/CD)

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Via Logic LLC

Cloud Platform and Data Engineer [U.S. Citizenship Required, Public Trust Eligibility]

GreenHouseAPI

This person works across ground station sites applying consistent, version-controlled configuration practices, and acts as a Service Enablement feature owner — defining acceptance criteria and KPIs for network/RF features, leading readiness reviews, planning validation from lab through in-orbit test (IOT) to production, and ensuring a clean technical handover to Operations, Service Delivery, and Service Assurance. This role sits at the intersection of RF systems engineering, satellite payload configuration, and ground segment operations, responsible for configuring, validating, and troubleshooting satellite RF configuration against link budget and RF chain requirements, and for tracing anomalies back through telemetry, IQ captures, and LTE/RAN counters to root cause.

AST SpaceMobile

Senior NTN Service Validation Engineer

This position plays a critical role in shaping how the Satellite Operations Center (SOC) functions day-to-day and evolves over the lifetime of the constellation, providing operational insight into system design while actively building the automation and procedures used on orbit. This role blends mission operations engineering with software-driven automation, with a strong emphasis on scripting satellite procedures, developing operational tooling, and enabling scalable, reliable constellation operations.

MOPS Automation SW Dev Engineer

We prioritize shipping practical controls and tooling over writing policy documents, applying least privilege and defense-in-depth at fleet scale, delivering clear findings and fixes that platform teams can act on, and conducting safe, constrained validation that does not put production at risk. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X.

SpaceXSI

Security Engineer, Kubernetes

Draper is actively seeking a Principal Cyber Effects Engineer that will support current and future reverse engineering, vulnerability research, and cyber tool development projects across a variety of domains supporting the United States of America's national interest. As a part of the Draper Cyber Effects team, you will drive the design and development of software tools and capabilities, perform static and dynamic analysis on diverse firmware and software, and share your expertise with others via mentoring and technical leadership opportunities.

Principal Cyber Effects Engineer

Elevated Custodian Security Research & Analysis: Lead deep offensive and analytical research into the security posture of Strategy''s custodians and prospective custodians, including qualified custodians, exchanges, and asset servicers, pressure-testing their key-management, segregation, access-control, and recovery claims through structured technical due diligence and adversarial threat modeling. Signing Ceremony & Custody Red-Teaming: Design and run adversarial simulations of signing ceremonies, quorum policies, and transaction-approval workflows, testing for insider-threat, social-engineering, collusion, and operational-security failure modes across cold, warm, and hot storage tiers.

Tooling Engineer Jobs in Reston, VA

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