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Systems Engineer at XMSTART | Washington, DC

XMSTART

Full-time|On-site|Washington, District of Columbia, United States

Join XMSTART, a leading company in the field of systems engineering, as we seek talented and strategic full-time Systems Engineers to join our dynamic team in Chantilly, VA or Washington, DC. This role requires 100% on-site presence to foster collaboration and innovation.Security Clearance Requirements:Active TS/SCI with Polygraph is mandatoryEducation:Bache…

Feb 28, 2026

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Systems Engineer at XMSTART | Washington, DC

XMSTART Inc.

Full-time|On-site|Washington, District of Columbia, United States

Join the dynamic team at XMSTART, where we are actively seeking skilled and strategic full-time Systems Engineers based in either Chantilly, VA or Washington, DC. These roles require a commitment to working 100% onsite.Key Responsibilities:Analyze user requirements and system specifications to design effective solutions.Develop system architectures and detailed specifications tailored to client needs.Seamlessly integrate hardware and software components to produce operational systems.System Implementation:Install, configure, and rigorously test system components for optimal performance.Create and maintain comprehensive documentation, including technical specifications and user manuals.Ensure systems are compatible and interoperable with existing infrastructure.System Maintenance and Optimization:Continuously monitor system performance, troubleshoot issues, and implement necessary updates.Enhance system processes to boost efficiency and reliability.Collaboration and Communication:Engage with cross-functional teams including developers, network engineers, and project managers.Translate complex technical concepts into understandable terms for non-technical stakeholders.Provide training and support to end-users to ensure effective system utilization.Compliance and Security:Ensure all systems adhere to industry standards and internal policies.Implement robust security measures to safeguard system integrity and data privacy.XMSTART Inc. is committed to fostering a diverse and inclusive workplace.

Jan 28, 2025

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Join Our Talent Pool at XMSTART

xm-start

On-site|On-site|Washington, District of Columbia, United States

Are you passionate about advancing your career with a leading company? At XMSTART, we are constantly on the lookout for dynamic and talented individuals to join our team. While we may not have an open position that currently matches your expertise, we invite you to join our Talent Pool. By submitting your application, you will be considered for exciting opportunities as they arise.Why You Should Join Our Talent Pool:• Be among the first to discover new job openings• Engage with our recruitment team regarding potential future roles• Become part of a vibrant and expanding company that offers thrilling career pathsWhat We Are Looking For:We welcome professionals from various disciplines, including but not limited to:• Administrative & Operations• Customer Service & Support• Sales & Marketing• IT & Technical Roles• Finance & Accounting• Human Resources• Specialized roles as neededWho Should Apply?• Individuals seeking new career opportunities with XMSTART• Candidates eager to explore future positions and stay connected• Professionals who wish to contribute and thrive in a collaborative environmentSubmit your resume today! We will keep your information on file and reach out if a suitable position aligns with your skills and background.

Feb 10, 2025

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Systems Engineer at Sigma Defense | Washington, DC

Sigma Defense

Full-time|$135K/yr - $160K/yr|On-site|Washington, District of Columbia, United States

Sigma Defense is hiring a Systems Engineer in Washington, DC to support Navy Above Water Sensor and Combat System projects. This position covers the full system lifecycle, from shaping early requirements through delivery and evaluation. The role involves close collaboration with government stakeholders, industry partners, and cross-functional teams. What you will do Perform engineering analyses and help develop requirements Contribute to system design and participate in technical reviews Apply Model-Based Systems Engineering and digital engineering methods Assist with risk management, trade studies, and technology assessments Evaluate system performance and help plan testing and evaluation Support modeling and simulation activities Assist with cybersecurity engineering and RMF documentation Provide technical input for acquisition milestones Work closely with stakeholders and project teams Location This position is based in Washington, District of Columbia, United States. Additional details Employment is contingent upon the successful award of a contract. Offers will be extended once the contract is finalized. Equal Opportunity Sigma Defense is an Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status. Sigma Defense does not discriminate on the basis of disability.

Apr 23, 2026

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Senior Network Engineer III at MetroStar Systems | Washington, DC

MetroStar Systems

Full-time|On-site|Washington, DC

Role overview MetroStar Systems is hiring a Senior Network Engineer III for its Washington, DC office. The focus of this position is on designing, implementing, and managing network solutions that ensure reliable connectivity and strong performance for clients. What you will do Design and implement network architectures that address specific client requirements Manage and optimize network infrastructure to support stability and efficiency Troubleshoot and resolve complex network challenges Work closely with team members to deliver secure, high-performing solutions What sets this role apart This role involves tackling challenging projects within a team that values creative problem-solving and professional growth. The work directly supports MetroStar Systems' reputation for providing reliable network infrastructures. Location Washington, DC

Apr 22, 2026

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Senior Cloud Engineer I at MetroStar Systems | Washington, DC

MetroStar Systems

Full-time|On-site|Washington, DC

MetroStar Systems is seeking a Senior Cloud Engineer I based in Washington, DC. This position centers on designing and implementing scalable cloud solutions that support client operations. Role overview The Senior Cloud Engineer I works closely with cross-functional teams to integrate cloud applications and maintain strong performance. The role requires applying cloud technology expertise to address client needs and deliver reliable solutions. Key responsibilities Design and implement cloud-based solutions for clients Collaborate with other teams to ensure smooth integration of cloud applications Focus on maintaining and improving application performance in the cloud environment Location This position is based in Washington, DC.

Apr 28, 2026

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Information Systems Security Engineer at Spry Methods | Washington, DC

Spry Methods

Full-time|On-site|Washington, DC

Position Overview:Join Spry Methods as an Information Systems Security Engineer (ISSE) and play a vital role in enhancing the security of mission-critical information systems within a dynamic government environment. You will be instrumental in designing, implementing, and managing cybersecurity controls across both enterprise and mission systems. Collaborating closely with engineering, operations, and security teams, you will ensure compliance with federal cybersecurity standards and authorization requirements.

Dec 16, 2025

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Senior Software Engineer II at MetroStar Systems | Washington, DC

MetroStar Systems

Full-time|On-site|Washington, DC

Role Overview MetroStar Systems is hiring a Senior Software Engineer II in Washington, DC. This position focuses on building software solutions that support key projects across the organization. The role calls for someone with strong technical skills and experience delivering high-quality, efficient code. What You Will Do Design, develop, and maintain software applications Work on projects that support MetroStar Systems’ goals and operations Collaborate with team members to solve complex technical challenges Who We’re Looking For Proven experience creating effective software solutions Strong problem-solving skills and attention to detail Interest in contributing to impactful projects within the organization Location This role is based in Washington, DC.

Apr 17, 2026

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Senior Engineer, Systems Test at Shield AI | Washington, DC

Shield AI

Full-time|On-site|Washington, DC

Job Overview:Join our dynamic team at Shield AI as a Senior Engineer focusing on Systems Test, where your expertise in simulation-driven testing and software quality assurance will play a crucial role in advancing our groundbreaking Hivemind autonomy technology. You will be responsible for creating and implementing robust testing frameworks and methodologies, ensuring our systems deliver reliable performance across both simulated and real mission scenarios.As a rapidly growing company, we value adaptability, a growth mindset, and a passion for learning new technologies. Be a part of our mission-driven culture where your contributions will help shape the future of intelligent systems designed to protect service members and civilians alike.

Jan 31, 2026

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Staff Engineer - C++ Systems Integration at Shield AI | Washington, DC

Shield AI

Full-time|On-site|Washington, DC

Founded in 2015, Shield AI is a pioneering venture-backed deep-tech company with a commitment to safeguarding service members and civilians through advanced intelligent systems. Our innovative solutions include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and Hivemind Vision product lines. With a global presence across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's cutting-edge technology actively supports military and civilian operations worldwide. For further details, please visit www.shield.ai. Follow us on LinkedIn, X, Instagram, and YouTube.We are seeking a seasoned C++ Systems Integration Engineer who excels at the confluence of software, infrastructure, and systems integration. In this role, you will spearhead intricate technical initiatives across distributed systems and simulation environments, operating with a high level of autonomy. Your contributions will be pivotal in developing the core capabilities that facilitate autonomy, simulation, and real-time system interfaces across diverse platforms.

Nov 18, 2025

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IT Engineer at Helsing | Washington, DC

Helsing

Full-time|On-site|Washington, DC

About UsHelsing is at the forefront of defense AI technology, dedicated to safeguarding our democratic values. Our goal is to establish technological supremacy that empowers open societies to make independent choices and uphold their ethical standards.As a defender of democracy, we recognize our unique obligation to thoughtfully develop and implement transformative technologies like AI. We take this duty with utmost seriousness.We are a passionate and dedicated team of engineers, AI experts, and program managers, seeking mission-driven individuals to join our European teams and leverage their skills to tackle some of the most challenging and significant issues. We foster a transparent and open culture that encourages constructive discussions about the application of technology in defense, its advantages, and its ethical considerations.The RoleAs an IT Engineer, you will oversee Helsing's IT and infrastructure in the United States. Your responsibilities will span across teams and locations to create a secure and reliable infrastructure that supports collaborative efforts focused on the transmission, development, and delivery of defense technologies in compliance with relevant regulations, standards, and industry best practices. You will play a critical role in enabling Helsing to provide advanced systems that address the challenges of future battlefields.Daily ResponsibilitiesConfigure and manage endpoints, including workstations, laptops, and servers.Provide support for an office consisting of approximately 10-25 employees.Establish and maintain on-premises computer environments primarily based on Linux.Manage and configure our network and VPN infrastructure.Collaborate with Helsing's broader IT team to optimize the operational efficiency of Helsing US's corporate, development, and customer environments, largely utilizing Microsoft 365, Azure, and other SaaS solutions.

Feb 12, 2026

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Senior Database Engineer I at MetroStar Systems | Washington, DC

MetroStar Systems

Full-time|On-site|Washington, DC

MetroStar Systems is seeking a Senior Database Engineer I based in Washington, DC. This position focuses on designing, implementing, and optimizing database solutions to support business needs. Role overview As a Senior Database Engineer I, the work centers on maintaining data integrity and ensuring reliable data availability. Collaboration with cross-functional teams is a key part of the role, supporting projects that require stable and efficient database systems. What you will do Design and implement database architectures that meet project requirements Optimize existing databases for performance and reliability Work with teams across the company to support data-driven initiatives Promote practices that safeguard data integrity and system availability

Apr 29, 2026

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Chief Engineer at ableserve | Washington, DC

ableserve

Full-time|On-site|Washington, DC

Join ableserve as a Chief Engineer, where you will lead innovative engineering projects and spearhead the development of cutting-edge solutions. In this pivotal role, you will oversee engineering operations, manage a talented team, and ensure the successful execution of projects from conception to completion.

Mar 23, 2026

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DevOps Engineer at Viderity | Washington, DC

Viderity

Full-time|On-site|DC, Washington, United States

Role Overview Viderity is seeking a DevOps Engineer based in Washington, DC. This role focuses on automating build, test, and deployment systems to support a range of codebases, tools, and platforms. What You Will Do Design and implement automated solutions for building, testing, and deploying applications across multiple environments and technologies. Work closely with both legacy and new project teams to improve development pipelines and streamline the software development lifecycle. Maintain and troubleshoot continuous integration systems to keep build and deployment processes running smoothly. Develop, maintain, and troubleshoot automated testing frameworks and tools for a variety of projects and methodologies, including Agile and Waterfall. Set standards for static code analysis and track related metrics across project teams. Architect cloud-based solutions, including configuring and launching virtual machines for application deployment. Work with both Linux and Windows systems, emphasizing automation and scalability. Communicate proactively with project teams to ensure coordination and efficient workflows. Identify and implement improvements to speed and efficiency as technologies evolve. Research new DevOps tools and trends, evaluating open-source options and industry developments for possible adoption.

Apr 15, 2026

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Information Systems Security Officer (ISSO) at Avint | Washington, DC

Avint, LLC

Full-time|$110K/yr - $115K/yr|On-site|DC, Washington, United States

Join Avint, LLC as a dedicated and skilled Information Systems Security Officer (ISSO). We are looking for a candidate with extensive technical knowledge, hands-on experience in securing intricate systems, and a thorough understanding of U.S. Government cybersecurity regulations. This position is vital for leading system authorization activities, ensuring compliance, and maintaining the security and integrity of cloud and on-premises environments.The ideal applicant must be a U.S. citizen with an active Top Secret clearance and SCI eligibility, and possess a DoD 8570 certification (CISSP, Security+, etc.). The role requires the candidate to work on-site in Washington, D.C. or at locations throughout the DC Metro area five days a week. Additionally, the candidate should be prepared for domestic and international travel of up to 25%.

Jan 21, 2026

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Executive Administrative Assistant at Cook Systems | Washington, DC Area

Cook Systems

Full-time|On-site|Washington, DC Area

Elevate Your Career with Cook SystemsSince 1990, Cook Systems, a certified veteran-owned IT consulting firm, has been empowering businesses and professionals to thrive through innovation, integrity, and a deep commitment to people. We collaborate with Fortune 500 companies and high-growth organizations to deliver agile technology solutions, AI-driven talent strategies, and our renowned FastTrack program, which nurtures the next generation of tech talent.At Cook, our culture emphasizes excellence, creativity, and accountability. We believe in fostering opportunities grounded in trust and in building enduring careers. Discover firsthand what our team members express on our Glassdoor page, and learn why Cook Systems is the launchpad for meaningful careers!Job SummaryThe Executive Administrative Assistant (EAA) provides high-level administrative support to the Chief Compliance and Legal Officer (CCLO) and other senior executives primarily located in the Washington, D.C. area. The EAA must exhibit outstanding judgment, discretion, and organizational capabilities, along with a strong initiative to manage a diverse array of activities and projects. This role involves delivering proactive administrative, project management, and organizational support in a dynamic environment with minimal supervision. Professionalism, flexibility, resourcefulness, efficiency, and meticulous attention to detail are essential. The EAA will also assist the President and CEO as required and support senior executives traveling within the D.C. area, closely collaborating with the Assistant to the President and other Executive Administrative Assistants.

Mar 16, 2026

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Chief Engineer of Autonomy at Shield AI | Washington, DC

Shield AI

Full-time|On-site|Washington, DC

Founded in 2015, Shield AI is a pioneering deep-tech company dedicated to safeguarding service members and civilians through innovative intelligent systems. Our cutting-edge products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and Hivemind Vision product lines. With a global presence across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology plays a vital role in supporting operations worldwide. For more information, please visit www.shield.ai. Connect with us on LinkedIn, X, Instagram, and YouTube. The Chief Engineer of Autonomy at Shield AI will tackle complex technical challenges associated with deploying advanced autonomy solutions on Unmanned Aircraft Systems (UAS). As the leading authority on system architecture, design, development, risk management, and product quality, the Chief Engineer will ensure the seamless integration of Hivemind Autonomy across various aircraft, ranging from small UAS to large autonomous collaborative platforms.This pivotal role within the Hivemind Solutions organization will oversee a talented team of engineers, delivering state-of-the-art autonomous capabilities for both business-to-business and defense contracts. The ideal candidate will possess extensive experience in the defense industry as a Chief Engineer, showcasing a proven track record of successfully leading technical teams to develop and implement autonomous systems.

Jun 10, 2025

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DevOps Engineer - Federal at Cognition | Washington DC

Cognition

Full-time|On-site|Washington DC

Join Our Innovative AI Lab as a DevOps Engineer!At Cognition, we are at the forefront of applied artificial intelligence, creating cutting-edge software agents that transform the engineering landscape. Our flagship products, Devin—the world's first AI software engineer—and Windsurf, an AI-native integrated development environment (IDE), embody our vision for collaborative AI that allows engineers to tackle more challenging and rewarding problems.Our team is a powerhouse of talent, featuring elite competitive programmers, former entrepreneurs, and leaders from top-tier AI companies such as Scale AI, Palantir, Waymo, Tesla, and Google DeepMind.While we have successfully developed Devin and Windsurf, we recognize that our most significant challenges are still ahead. If you are passionate about solving major global issues and developing AI that can reason through real-world tasks, we invite you to become a part of our journey.About the RoleThis is an exceptional opportunity to become a foundational engineer within our newly established federal division. As one of the pioneering engineers in this vital area, you will have a significant impact on shaping our technical direction and achieving initial project milestones. You will also be crucial in guiding the strategic growth and scalability of our federal engineering team, establishing essential engineering practices, defining our technical stack for federal clients, and influencing the culture of a mission-driven team.As a Federal DevOps Engineer, you will be a full-stack deployment expert, responsible for managing the technical lifecycle of our key federal enterprise deployments.You will lead a focused set of strategic deployments, collaborating directly with customer engineering teams to outline complex deployment requirements, ensure adherence to security protocols, and implement necessary platform modifications.A pivotal aspect of this role is enhancing our products from a deployability and operability perspective. You will make direct modifications to the core codebase, ensuring our products can be deployed efficiently and reliably across various environments. You will identify deployment patterns in the field and translate those insights into actionable requirements that guide future core engineering developments. When customers encounter challenges that our product does not address, you will be the problem-solver who identifies the necessary solutions and brings them to fruition.You will steer the technical strategy of our deployments, making critical decisions that influence long-term adoption, architectural design, and the evolution of the Cognition platform in real-world applications.

Feb 12, 2026

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Security Engineer at Helsing | Washington, DC

Helsing

Full-time|On-site|Washington, DC

About UsAt Helsing, we are pioneering the future of defense through artificial intelligence. Our mission is clear: to safeguard our democracies and ensure that open societies retain the authority to make sovereign decisions while upholding their ethical standards.We recognize the profound responsibility that comes with developing and deploying powerful technologies such as AI. Our commitment to thoughtful innovation is unwavering.As a dynamic and dedicated team of engineers, AI experts, and program managers, we invite mission-driven individuals to join us in addressing some of the most intricate and impactful challenges in the defense sector. Our culture fosters openness and transparency, encouraging constructive debates about technology use in defense, its advantages, and ethical considerations.Your RoleJoin us as we establish our first engineering team in the U.S. based in Washington, DC. As a key early member, you will play a crucial role in creating a secure infrastructure for our applications and cloud architecture. Your responsibilities will bridge security and engineering, encompassing cloud architecture, application SBOM, vulnerability scanning, and continuous monitoring of our cloud infrastructure (AWS/Azure/GCP).This position serves as a vital link between engineering and security operations, focusing on risk identification, designing and implementing security controls (firewalls, IAM, encryption), and performing in-depth analyses of cloud-native security logs to detect and address threats.Daily ResponsibilitiesCloud Infrastructure Security Design: Architect and implement secure cloud infrastructure while ensuring compliance with leading security frameworks (NIST, CIS Benchmarks, ISO 27001).Security Operations Collaboration: Collaborate closely with engineering teams to integrate security best practices into all phases of the software development lifecycle.Vulnerability Management: Conduct regular assessments and penetration tests to identify vulnerabilities and implement remediation strategies.Threat Intelligence: Stay updated on emerging threats and security trends, providing recommendations for proactive measures.

Feb 12, 2026

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Senior Solutions Engineer at Comtech | Washington, DC

Comtech LLC

Full-time|On-site|Washington

Job Title: Senior Solutions EngineerLocation: Washington, DCJob Description:Deliver expert technical support to the Data Center and Infrastructure Department in architecting robust solutions for infrastructure, databases, storage, systems, and backup layers.Develop and implement best practices for migration and upgrade projects, ensuring seamless transitions.Design and execute testing and quality assurance strategies while spearheading remediation efforts.Collaborate with project leads on infrastructure enhancement initiatives, including Virtual Desktop migrations, ISO process improvements, and disaster recovery/business continuity strategies.Address client inquiries and conduct analyses of various scenarios to provide data-driven recommendations.Work alongside IT infrastructure specialists to maximize infrastructure capabilities and enhance design and application performance.

Aug 8, 2017

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