Senior Nuclear Engineer jobs in Reston – Browse 209 openings on RoboApply Jobs

Senior Nuclear Engineer jobs in Reston

Open roles matching “Senior Nuclear Engineer” with location signals for Reston. 209 active listings on RoboApply Jobs.

209 jobs found

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companysosi1 logo
Full-time|On-site|Reston

Join our innovative team at sosi1 as a Senior Nuclear Engineer, where you'll play a pivotal role in advancing nuclear technologies and ensuring operational excellence. Your expertise will contribute to critical projects that enhance safety and efficiency within the nuclear sector.

Nov 21, 2025
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companysosi1 logo
Full-time|On-site|Reston

Join sosi1, a leader in innovative engineering solutions, as a Senior Civil/Industrial Engineer. In this pivotal role, you will leverage your extensive expertise to oversee and enhance engineering projects that contribute to our mission of delivering top-notch services to our clients.

Nov 21, 2025
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companyUSM2 logo
Full-time|On-site|Reston

Join our dynamic team at USM2 as a Senior ServiceNow Engineer, where you will leverage your expertise in ServiceNow to drive innovative solutions for our clients. In this role, you will be responsible for designing, implementing, and optimizing ServiceNow applications to enhance operational efficiency. Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.

Sep 27, 2016
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companyAccenture Federal Services logo
Senior DevSecOps Engineer

Accenture Federal Services

Full-time|$157.8K/yr - $190.1K/yr|On-site|Reston, VA

At Accenture Federal Services, we prioritize the mission of empowering the US federal government to strengthen and secure the nation while enhancing the quality of life for its citizens. With a dedicated workforce of over 13,000 professionals, we harness the boundless potential of technology and innovative thinking for clients in defense, national security, public safety, civilian, and military health sectors. Join Accenture Federal Services, a part of the global Accenture family. Celebrated as one of Glassdoor's Top 100 Best Places to Work, we provide a supportive and collaborative environment where you can truly belong and are encouraged to grow, learn, and thrive through practical experience, certifications, and industry training. Be part of a team that drives meaningful and sustainable change, advancing government missions! Job DescriptionAs a Senior DevSecOps Engineer, you will be pivotal in architecting, implementing, and sustaining secure and efficient software development and deployment pipelines. Collaborating with cross-functional teams, you will seamlessly incorporate security practices into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions.

Feb 24, 2026
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companyVerisign, Inc. logo
Full-time|On-site|Reston,Virginia,United States

As a Senior Research Engineer at Verisign, you will be at the forefront of pioneering research in internet security and data integrity. Your expertise will play a crucial role in advancing technologies that secure the global internet infrastructure. You will collaborate with a dynamic team of professionals, contributing innovative ideas and solutions to complex challenges.

Mar 17, 2026
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companyMetroStar Systems logo
Full-time|$184K/yr - $253K/yr|On-site|Reston, VA

MetroStar Systems is seeking a Senior Network Engineer III for its Reston, VA office. This role requires deep experience with unified communications, especially voice, video, and collaboration tools. The position supports a high-profile client with sensitive requirements, so strong technical judgment and professionalism are essential from day one. Key Responsibilities Act as a subject matter expert in unified communications, covering voice, video, and collaboration systems Deliver advanced engineering support for client communications platforms Collaborate with colleagues to troubleshoot and resolve complex technical challenges Contribute to a team culture that values proactive problem-solving and effective cooperation Role Focus This position emphasizes operational support and immediate impact. The Senior Network Engineer III will handle both day-to-day technical issues and long-term improvements for unified communications in a sensitive environment. About MetroStar Systems With over twenty years in the industry, MetroStar Systems is known for building strong technology teams. The company prioritizes supporting its people and consistently aims to deliver value for customers. Employees play a central role in MetroStar’s ongoing success and growth.

Apr 21, 2026
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companyAnduril Industries logo
Full-time|$191K/yr - $253K/yr|On-site|Reston, Virginia, United States

Anduril Industries is at the forefront of defense technology, dedicated to enhancing U.S. and allied military capabilities through innovative solutions. By integrating advanced technology, expertise, and a modern business model, Anduril is revolutionizing the design, construction, and sale of military systems. Our suite of systems is driven by Lattice OS, an AI-powered operating system that synthesizes thousands of data streams into a real-time, immersive 3D command and control center. As we navigate a new era of strategic competition, Anduril is committed to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking technologies to military operations within months, not years.ABOUT THE TEAMAnduril Intelligence Systems (AIS) serves as a premier provider of specialized engineering solutions for clients within the Intelligence Community (IC). Our team collaborates closely with IC stakeholders to understand their unique requirements and develop operational concepts. We excel in designing, developing, and delivering cutting-edge capabilities that meet our clients' most urgent national security needs through a combination of commercially available and bespoke hardware and software.ABOUT THE JOBWe are seeking a Senior Software Engineer with extensive knowledge in networking, protocols, and system architecture to construct and manage sophisticated simulation environments. These environments facilitate experimentation with network operations and security testing in controlled settings. Your primary focus will be on designing, developing, and operating realistic virtual machine environments that accurately represent various systems, networks, and behaviors.As a specialist in simulation and emulation, you will be responsible for architecting complex network topologies and building representative system configurations. This role requires both exceptional software engineering skills and a profound understanding of operating systems, network protocols, and the behavioral characteristics of diverse platforms.Embracing a "Whatever It Takes" mindset, you will need strong development skills in C/C++ or Python, along with hands-on experience in network engineering, virtualization technologies, and a deep understanding of system behavior in operational contexts.

Mar 20, 2026
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companyProsidian Consulting logo
Full-time|On-site|Reston

Join our dynamic team as a Senior Systems Engineer specializing in Web Development and IT Effectiveness at Prosidian Consulting. In this pivotal role, you will leverage your expertise in software engineering and web applications to drive innovative solutions that enhance operational efficiency and improve user experiences.

Sep 17, 2024
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companyusm2 logo
Full-time|On-site|Reston

Join us at usm2 as a Senior Quality Assurance Performance Engineer, where you will play a pivotal role in ensuring the highest quality standards are met in our software products. You will be responsible for designing and executing performance tests, identifying bottlenecks, and collaborating with the development team to enhance application performance. Your expertise will be integral in implementing best practices for performance testing.

Sep 30, 2016
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companyAnduril Industries logo
On-site|On-site|Reston, Virginia, United States

At Anduril Industries, we are redefining defense technology with a mission to enhance U.S. and allied military capabilities through innovative technologies. Our approach integrates cutting-edge expertise, advanced technology, and a modern business model to revolutionize the design, production, and distribution of military systems. Powered by Lattice OS, our AI-driven operating system transforms vast data streams into a real-time, 3D command and control center. As global strategic competition intensifies, Anduril is dedicated to delivering the latest advancements in autonomy, AI, computer vision, sensor fusion, and networking technology to the military in a matter of months, not years.ABOUT THE TEAMOur Anduril Intelligence Systems (AIS) team is committed to establishing Anduril as the foremost provider of specialized engineering solutions and products for Intelligence Community (IC) clientele. We actively engage with the IC to grasp their needs, refine their operational concepts, and deliver unparalleled capabilities that address critical national security challenges.ABOUT THE JOBWe are on the lookout for a Senior Electrical Engineer with a strong focus on EMI/EMC to join our dynamic team in Reston, VA. In this pivotal role, you will lead EMI/EMC design initiatives for our innovative product line. The ideal candidate will collaborate across teams to enhance designs for electromagnetic compatibility, execute EMI/EMC testing, and review schematics/layouts for EMI/EMC considerations.

Feb 11, 2026
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companyVerisign logo
Full-time|$164.3K/yr - $222.3K/yr|On-site|Reston,Virginia,United States

At Verisign, we play a pivotal role in ensuring the security, stability, and resilience of the internet. As a trusted provider of essential internet infrastructure services, we deliver unmatched performance in domain name system (DNS) services.We pride ourselves on being a mission-driven, values-focused organization where every team member contributes to a safer, more secure internet. Our dynamic and flexible work environment is complemented by competitive benefits, offering ample opportunities for professional growth.We are actively seeking a Senior Manager, Cloud Engineering to spearhead the strategy, development, and reliability of our cloud infrastructure. This position is perfect for a seasoned professional with a solid background in full-stack development and hands-on experience with modern web and backend technologies as well as cloud solutions. Your focus on security, stability, and performance will be crucial as you leverage your technical expertise and leadership abilities to enhance our cloud operations, aligning them with business goals while minimizing risks.In this technical leadership role, you will oversee the design, development, and maintenance of APIs and web platforms, guiding their migration to AWS with a strong emphasis on reliability and scalability. You will advocate for best practices in secure full-stack development and implement unified solutions for automation, deployment, and monitoring. Your focus on risk reduction will include the establishment of robust security measures, proactive threat mitigation, and adherence to industry standards. Furthermore, you will optimize cloud-native architectures and implement best practices to improve the reliability, performance, responsiveness, and stability of our services while managing cloud costs efficiently. Leadership and collaboration will be essential as you foster a culture of excellence and align efforts with business objectives. Working with cross-functional teams, you will set clear KPIs to monitor performance, risks, and system health. Strategically, you will define a cohesive vision for the company’s cloud presence, staying ahead of trends to ensure our systems are future-proof. By prioritizing risk management and operational efficiency, you will drive the long-term success of all cloud initiatives.

Feb 10, 2026
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companyAnduril Industries logo
Full-time|$191K/yr - $253K/yr|On-site|Reston, Virginia, United States

Anduril Industries is a pioneering defense technology firm dedicated to revolutionizing the military capabilities of the U.S. and its allies through innovative technology. By leveraging the expertise and business models of the most advanced companies in the 21st century, Anduril is redefining the design, production, and sales of military systems. Our suite of systems operates on Lattice OS, an AI-driven platform that transforms vast amounts of data into a real-time, 3D command and control hub. In this era of strategic competition, we are committed to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking technology to the military swiftly.TEAM OVERVIEWAnduril Intelligence Systems (AIS) stands as a premier supplier of highly specialized engineering products for clients within the Intelligence Community (IC). Our team collaborates with the IC to comprehensively understand their needs and shape operational concepts. We design, develop, and deliver exceptional capabilities tailored to their mission requirements using both commercially available and bespoke hardware and software solutions.ROLE SUMMARYWe are seeking a talented Senior Software Engineer to join our dynamic team in Reston, Virginia. In this pivotal role, you will develop comprehensive full-stack software solutions to tackle complex technical challenges. Your responsibilities will encompass front-end and back-end development, database management, code refactoring, and performance optimization. You will thrive in a fast-paced environment, delivering high-quality products under tight deadlines and resource constraints.KEY RESPONSIBILITIESDesign and implement full-stack software solutions, utilizing a variety of technologies from UI frameworks to database queries.Maintain and enhance existing software systems to ensure optimal performance.Contribute actively to the software development process for critical projects to meet deadlines.Adhere to coding standards and best practices, conduct code reviews, manage version control, maintain build processes, and perform rigorous testing.Triage and troubleshoot issues, investigating root causes of failures.Balance user requirements with technical feasibility and long-term project objectives.Provide mentorship and technical guidance to junior team members, promoting a culture of excellence.Collaborate closely with program managers and technical leads to design next-generation critical systems, aligning strategic priorities and accurately estimating project timelines.

Mar 25, 2026
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companyMetroStar Systems logo
Full-time|On-site|Reston, VA

MetroStar Systems is looking for a Senior DevSecOps Engineer III to strengthen application security and streamline the software development lifecycle. This role centers on embedding security practices within CI/CD pipelines and working closely with teams across the organization. Role overview The Senior DevSecOps Engineer III will take the lead in integrating security measures throughout development and deployment processes. Collaboration with developers, security specialists, and operations teams is essential to ensure consistent protection against threats. What you will do Integrate security controls into CI/CD workflows Work with cross-functional teams to align security and development goals Apply established security practices to safeguard applications Impact Your contributions will help MetroStar Systems innovate while maintaining strong defenses against evolving security risks. This position is based in Reston, VA.

Apr 28, 2026
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companyCapTech Consulting logo
Full-time|On-site|Reston

Join CapTech as a Senior Cloud Data Engineer and help our clients architect and maintain cutting-edge data systems that integrate diverse data sources for impactful decision-making. You will create efficient data pipelines and prepare data for utilization by data scientists, analysts, and other stakeholders. Our team thrives on problem-solving and delivering innovative solutions tailored to client needs. As a Cloud Data Engineer, you will harness cloud infrastructure to provide immediate value while ensuring scalability for future demands. We foster a collaborative work atmosphere that encourages continuous learning and knowledge sharing among our developers, architects, and clients.Your Contributions:Serve as a trusted advisor to clients, guiding them through best practices, methodologies, and technologies for effective data engineering solutions.Design, build, and maintain state-of-the-art data pipelines utilizing the most suitable cloud technologies to deliver high-quality solutions.Collaborate with product owners and subject matter experts to analyze client requirements and develop sustainable, supportable engineering solutions.Provide technical leadership and work collaboratively within and across teams to ensure alignment of technical solutions with customer objectives.Stay abreast of the latest advancements in cloud technologies, methodologies, and patterns; effectively communicate insights and results to stakeholders.

Mar 17, 2026
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companyVeriSign, Inc. logo
Full-time|On-site|Reston,Virginia,United States

As a Senior Manager in Information Security, Tools, and Engineering at VeriSign, you will lead a dynamic team dedicated to protecting our digital assets and ensuring the integrity of our cybersecurity posture. You will oversee the development and implementation of security tools and engineering practices that safeguard our infrastructure. Your role will involve strategic planning, risk assessment, and innovative solutions to enhance our security framework.

Mar 17, 2026
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companyAnduril Industries logo
Full-time|$191K/yr - $253K/yr|On-site|Reston, Virginia, United States

Anduril Industries develops defense technology for the United States and allied nations. The company’s Lattice OS platform uses artificial intelligence to transform large datasets into a real-time, 3D command and control interface. Anduril’s work centers on autonomy, AI, computer vision, sensor fusion, and networking, with a focus on delivering new military capabilities quickly and effectively. The Anduril Intelligence Systems (AIS) group partners closely with the Intelligence Community. This team develops engineering solutions and specialized products, working alongside clients to understand their requirements and deliver technology that supports national security missions. Role overview The Senior Cloud Software Engineer will design, build, and maintain infrastructure that supports mission-critical software deployments. This work covers both multi-cloud and on-premises environments, with a strong emphasis on reliability and security. Deep experience with Kubernetes, infrastructure-as-code, and cloud platforms is essential for this role. What you will do Construct and maintain infrastructure for deploying software across cloud and on-premises systems Use expertise in Kubernetes and infrastructure-as-code to support operational needs Ensure systems are reliable and meet the requirements of national security missions Location This position is based in Reston, Virginia, United States.

Apr 23, 2026
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companyAnduril Industries logo
Full-time|$166K/yr - $220K/yr|Hybrid|Reston, Virginia, United States

Anduril Industries is a pioneering defense technology firm dedicated to enhancing U.S. and allied military capabilities through innovative technology. We are redefining the defense landscape by integrating the expertise, technologies, and business models of the 21st century's most advanced companies. Our flagship Lattice OS, an AI-enhanced operating system, synthesizes thousands of data streams into a real-time, 3D command and control center. As we navigate an era of strategic competition, Anduril is resolutely focused on deploying advanced autonomy, AI, computer vision, sensor fusion, and networking technologies to military applications in months, not years.ABOUT THE TEAMAnduril Intelligence Systems (AIS) stands at the forefront of highly specialized engineering solutions for our Intelligence Community (IC) clients. We engage deeply with the IC to understand their mission requirements and develop tailored operational concepts. Our goal is to design, develop, and deliver cutting-edge capabilities that directly address the most urgent national security challenges faced by our customers.ABOUT THE JOBThis position is ideal for a seasoned Senior Software Engineer with robust software development expertise and DevOps skills, specifically in supporting mission-critical infrastructure products within air-gapped and security-hardened environments. This hybrid role merges software engineering with site reliability engineering, demanding proficiency in understanding, modifying, and extending intricate internal infrastructure codebases alongside the DevOps acumen to efficiently deploy, configure, and maintain systems in isolated settings.As the software engineer most closely connected with our clients and deployment environments, you will operate at the intersection of product development and operations. Your access to core product codebases will empower you to make targeted modifications to facilitate air-gapped deployments, while closely collaborating with commercial product teams to ensure feature parity and reliability.We seek a candidate with a “Whatever It Takes” mindset—someone who is as comfortable debugging C++ code as they are designing Terraform configurations, troubleshooting networking issues in classified environments, and building automation tools to scale deployments.

Mar 17, 2026
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companyusm2 logo
Contract|On-site|Reston

Join our dynamic team at usm2 as a Senior Software Engineer specializing in Java. We are seeking a talented engineer to tackle challenging projects and drive innovation. This position is ideal for individuals who thrive in a fast-paced environment and are passionate about developing robust software solutions.

Jun 29, 2017
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companyMetroStar Systems logo
Full-time|On-site|Reston, VA

MetroStar Systems is looking for a Senior DevSecOps Engineer I based in Reston, VA. This position plays a key role in strengthening the software development lifecycle by embedding security practices within the DevOps process. Role overview The Senior DevSecOps Engineer I works closely with developers, operations, and security professionals. The main focus is to help ensure applications remain secure, resilient, and run efficiently throughout their lifecycle. Collaboration Expect regular interaction with cross-functional teams. The role involves sharing expertise and contributing to a culture where security is a core part of every stage of development and deployment. Impact This position directly supports MetroStar Systems' commitment to delivering secure and reliable software solutions by integrating security into every step of the DevOps framework.

Apr 28, 2026
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companyAnduril Industries logo
Full-time|$191K/yr - $253K/yr|On-site|Reston, Virginia, United States

Anduril Industries develops advanced defense technology for the U.S. and allied nations, combining modern tech approaches with the needs of the defense sector. The company’s core platform, Lattice OS, uses AI to transform large streams of data into a real-time 3D command and control interface. Anduril’s work centers on autonomy, artificial intelligence, computer vision, sensor fusion, and networking, delivering new capabilities to military users on short timelines. The Anduril Intelligence Systems (AIS) team partners closely with the Intelligence Community to understand operational needs and shape solutions for national security. AIS positions Anduril as a specialized engineering provider, focused on addressing critical challenges for intelligence organizations. Role overview The Senior Software Engineer - Intelligence Systems role is based in Reston, Virginia. This position involves building a wide range of software, from enterprise applications to user-facing solutions on embedded and custom hardware. The work covers the entire stack: middleware, code migration, optimization, performance tuning, cryptographic integration, and designing resilient systems. The role requires strong technical skills, adaptability, and the ability to deliver results under tight deadlines and with limited resources. What you will do Lead the design and hands-on development of software for full-stack enterprise applications and user interfaces on custom or embedded hardware. Work across all layers of the stack, including databases, backend services, and front-end GUI frameworks. Modernize, maintain, and improve existing complex software systems to ensure they scale and remain reliable. Provide technical guidance and mentorship, and encourage adoption of new technologies and best practices within the team. Develop ...

Apr 23, 2026

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