UNKNOWN

FEED

A primary focus of this role is writing secure, cloud-ready code optimized for a Develop-Low / Deploy-High (L2H) workflow—utilizing established unclassified enterprise development ecosystems to build and test software that will safely promote across accredited cross-domain solutions into high-side, air-gapped operational networks. This position focuses on developing high-performance API-driven services and data-ingest pipelines that drive Analytic Data Organization, Entity Extraction, and Modernized Storage paradigms.

Vantor

Senior Software Engineer (Hybrid)

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and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.

Blue Origin

Sr Software Engineer

Our compensation philosophy is designed to be competitive within the market, reflecting the value we place on the skills, experience, and contributions of our employees, while taking into account labor market trends and total rewards. We are a global company at the intersection of education and technology, focused on collaboration, innovation, and creativity to deliver a best in class educational experience and make Kaplan a great place to work.

Kaplan, Inc.

Senior Software Engineer I (Hybrid)

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Beyond our award-winning News and Opinions teams, we work across many departments, including Brand & Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources, Legal, Marketing & Advertising, Print Operations, and Sales. Our native apps drive the majority of our digital reach and serve millions of daily readers, making app reliability, fluid responsiveness, and maintainable software design central to our engineering mission.

YEAR

The Washington Post

Mobile Software Engineer, Architecture & Core Platform

The selected candidate will work closely with software engineers, systems engineers, DevOps personnel, and end users to ensure the quality, reliability, performance, and usability of mission-critical applications and data services. This role requires strong analytical skills, hands-on testing experience in complex distributed systems, and the ability to operate effectively in an Agile development environment supporting national security missions.

Senior Software Test Engineer (TS/SCI)

Pay 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. Your analysis will cut through complexity to identify the optimal modernization pathway for each system-whether retain, rehost, replatform, reengineer, replace, consolidate, or retire-with clear, evidence-based rationale that connects technical decisions to mission outcomes and financial implications.

CACI International Inc.

Senior Systems Engineer

Based in the DC metropolitan area, TechSur specializes in advanced cloud services, modernization for both IT structures and applications, leveraging Agile development, and Data Analytics. The ideal candidate will have strong expertise in RHEL administration, automation using Ansible, cloud platforms (AWS, Azure), and application server management.

TechSur Solutions

Sr. Systems Engineer - Linux

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7+ years' background in Computer Science, Information Technology, Cyber Security, Cyber Forensics, Engineering, or other related discipline, or equivalent combination of education, technical certifications, training and work/military experience. Pay 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.

Devops Engineer, Senior

Expertise in one or more modern software development disciplines, including:o Full-stack development using Java and/or Python, RESTful APIs, and enterprise application frameworks; oro Front-end development using JavaScript, Angular, and modern UI development frameworks. Pay 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.

Data Engineer

FULL_TIME

The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Provide malicious code reverse engineering to isolate, review, analyze, and reverse-engineer potentially malicious programs recovered from compromised computer systems and networks.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Mobile Reverse Engineer

[AW]-iCims

Full-Stack Technical Leadership: Provide hands-on technical leadership across Java/Spring Boot backend services and React.js frontend architectures, including reusable components and application state management using Redux or similar technologies. As a DevOps Engineer, you'll collaborate with software engineers, system administrators, and security teams to automate manual tasks, improve delivery pipelines, and implement infrastructure-as-code (IaC) solutions that enhance system reliability, scalability, & security.

LT Consulting

DevSecOps Engineer

GreenHouseAPI

Senior Software Engineer

High proficiency with Linux and Windows-based operating systems to include a deep, core understanding of the operating systems’ concepts and functionality, experience building and configuring systems from scratch, experience troubleshooting functionality, and performing all functions leveraging automation tooling where possible . Proficiency with multiple Red Hat tools, to include Red Hat OpenStack (RHOSP), Red Hat OpenShift (RHOCP), Red Hat OpenStack Services on OpenShift (RHOSO), and Red Hat Satellite, or similar related technologies .

Cloud Infrastructure Engineer - RedHat

ADAPTED_NOW

This role focuses on hands-on engineering across Java-based microservices, event-driven distributed systems, APIs, MongoDB, AMQ, Kubernetes, AWS, CI/CD automation, and production-grade backend capabilities that are secure, resilient, observable, and aligned with business needs. Demonstrated experience delivering complex backend technology initiatives across microservices, APIs, AMQ-based messaging, integration services, data platforms, cloud-native deployments, and platform modernization.

HOUR

Pinnacle

Associates degree and 10+ years of experience in a systems engineering related field; OR bachelor’s degree in computer science, computer engineering, or related field and 8+ years of experience in a systems engineering related field; or a master's degree in computer science, computer engineering, or related field and 6+ years of experience in a Systems Engineering related field. High proficiency with Linux and Windows-based operating systems to include a deep, core understanding of the operating systems’ concepts and functionality, experience building and configuring systems from scratch, experience troubleshooting functionality, and performing all functions leveraging automation tooling where possible.

Senior Cloud Infrastructure Engineer

Proficiency with Linux and Windows-based operating systems to include a core understanding of the operating systems’ concepts and functionality, experience building and configuring systems from scratch, experience troubleshooting functionality, and performing all functions leveraging automation tooling where possible. Proficiency with multiple Red Hat tools, to include Red Hat OpenStack (RHOSP), Red Hat OpenShift (RHOCP), Red Hat OpenStack Services on OpenShift (RHOSO), and Red Hat Satellite, or similar related technologies.

Junior-level Cloud Infrastructure Engineer

Bachelor's degree in computer science, Software Engineering, or a related field, plus 8-10 years of software development experience (additional years of relevant work experience may substitute for a degree).4+ years of hands-on C#/.NET development, including ASP.NET Core and Entity Framework. Contribute to build and release pipelines in Azure DevOps, GitLab, or GitHub Actions; support containerized deployments where used.

ASRC Federal comprises a family of companies that provide mission-critical services to federal government agencies dedicated to defense, civil and intelligence support. Our customer-focused service delivery model and emphasis on operational excellence are foundational elements infused in all our companies. The reliability and quality of day-in, day-out service delivery from our family of companies ensure our customers that we keep our sights on their mission-critical priorities.

ASRC Federal Holding Company

Microsoft .Net Software Engineer

Exiger is named a Leader in the Gartner Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. As a Senior Software Engineer, you'll drive the technical direction of our products, build reliable, scalable web applications and services that power our SaaS platform, operate and maintain the system, and mentor other engineers on the team.

EXIGER

Backend Engineer

Experience with creating and improving automation scripts across multiple technical stacks using Python, Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

Applications Engineer Jobs in Fairfax, VA

Senior Software Engineer (Hybrid) Vantor

Sr Software Engineer Blue Origin

Senior Software Engineer I (Hybrid) Kaplan, Inc.

Mobile Software Engineer, Architecture & Core Platform The Washington Post

Senior Software Test Engineer (TS/SCI) Vantor

Senior Systems Engineer CACI International Inc.

Sr. Systems Engineer - Linux TechSur Solutions

Devops Engineer, Senior CACI International Inc.

Data Engineer CACI International Inc.

Mobile Reverse Engineer Peraton

DevSecOps Engineer LT Consulting

Senior Software Engineer Vantor

Cloud Infrastructure Engineer - RedHat Peraton

Senior Software Engineer Pinnacle

Senior Cloud Infrastructure Engineer Peraton

Junior-level Cloud Infrastructure Engineer Peraton

Microsoft .Net Software Engineer ASRC Federal Holding Company

Backend Engineer EXIGER

DevSecOps Engineer IV PlanIT Group LLC

DevSecOps Engineer PlanIT Group LLC

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