Sr. Contract Specialist (Construction) System OneSr. Contract Specialist (Construction)Washington, DCSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Ensure solicitation of a competitive group of vendors, evaluate bids for compliance, and oversee technical and cost team evaluations.
NewSenior Metallurgist – Alloy Design & Advanced Manufacturing Johns Hopkins Applied Physics Laboratory (APL)Senior Metallurgist – Alloy Design & Advanced ManufacturingLaurel, MDUse computational thermodynamics and materials modeling tools such as Thermo-Calc/CALPHAD to explore composition space, predict phase stability and transformations, and guide experimental alloy development. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Spacecraft Thermal Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Spacecraft Thermal EngineerLaurel, MDConduct and communicate thermal design trade studies that balance performance margins, resource use, risk, cost, and schedule, and present thermal engineering results at peer reviews, design reviews, and other major technical reviews. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Air-to-Air Modeling and Simulation Analyst Johns Hopkins Applied Physics Laboratory (APL)Senior Air-to-Air Modeling and Simulation AnalystLaurel, MDAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Develop, evaluate, and analyze tactics and concepts of employment for ground breaking technologies such as air platforms, sensors, countermeasures, and weapons including manned-unmanned vehicles.
NewSenior Mobile Diesel Technician SchneiderSenior Mobile Diesel TechnicianJessup, MD$31.70–$39.60 / hourThis diversity and openness ensures all associates have equal access to opportunities and resources to contribute fully to the organization's success, and it fuels innovation, improves strategic thinking and cultivates leadership. Perform on-site maintenance, including tire changes, electrical repairs, major accident repairs and engine repairs.
Senior GenAI & Data Engineer System OneSenior GenAI & Data EngineerReston, VA$85,000–$110,000 / yearStrong data engineering expertise, including developing data pipelines, data models, and processing large-scale data. Leverage AWS services such as Amazon Bedrock, AWS Lambda, AWS Glue, and AWS Step Functions for cloud-native development.
NewSenior Field Support Engineer (FSE)/Depot Services Manager MaxCyte, IncSenior Field Support Engineer (FSE)/Depot Services ManagerRockville, MDThe Senior Field Support Engineer (FSE)/Depot Services Manager provides technical support to customers of MaxCyte instruments and supports the day-to-day operations of MaxCyte’s Depot Services. BS in biomedical engineering or related field, and at least 8+ years of experience in service operations, technical support, field service, or customer-facing operations in life sciences tools, diagnostics, capital equipment, or a similar environment.
NewSenior Scientist, Bioproduction and Bioprocessing MaxCyte, IncSenior Scientist, Bioproduction and BioprocessingRockville, MDThe Senior Scientist, Bioproduction & Bioprocessing is responsible for leading the development, optimization, and execution of mammalian cell-based protein production workflows to support organizational research, development, and manufacturing needs. This role provides subject-matter expertise in cell line development, transient expression, and upstream bioprocessing, and ensures high-quality delivery of materials through collaboration with cross-functional teams.
NewSr. Software Engineer - Core Automation Platform VisaSr. Software Engineer - Core Automation PlatformAshburn, VA$110,700–$171,800 / yearJoining Visa means working on highly distributed, large-scale systems that power the future of payments, data solutions, cybersecurity, AI, and next-generation customer experiences. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewSoftware Engineer, Sr. Consultant - Fullstack GenAI Enablement VisaSoftware Engineer, Sr. Consultant - Fullstack GenAI EnablementAshburn, VA$152,200–$243,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. As a Visa Lead Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
NewSenior Nuclear Surety Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Nuclear Surety Systems EngineerLaurel, MDServe as the Lab’s focal point and thought leader for nuclear surety engineering with emphasis on leveraging and implementing systems engineering principles to enhance strategic systems nuclear surety design and modifications. Are you interested in applying technical leadership, innovation, system engineering skills, and specialty nuclear surety expertise toward the difficult critical challenges of ensuring the safety and security of this nation’s most critical defense systems?.
NewSenior Guidance and Control Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Guidance and Control EngineerLaurel, MDEmerging domains like hypersonic flight introduce complex design challenges, including rapidly changing nonlinear dynamics, unique control mechanisms, and mission-specific guidance in highly contested environments. Innovations in areas like Artificial Intelligence & Machine Learning (AI/ML) and cooperative control for multi-agent systems also offer exciting opportunities to shape the future of our nation’s defensive capabilities.
Senior Windows Systems Engineer System OneSenior Windows Systems EngineerWashington, DC$63–$75 / hourBachelor’s degree in computer science, information systems, engineering, or a related technical field, and eight (8) or more years of progressive Windows Administration and engineering experience OR Master’s degree in a related field and at least 6 years of relevant experience in above areas. Familiarity with orchestration tools like Ansible, Chef, or Puppet for configuration management and ability to implement Continuous Integration/Continuous Deployment (CI/CD) pipelines for cloud infrastructure provisioning and deployment automation.?.
NewSenior AWS Full Stack Software Engineer System OneSenior AWS Full Stack Software EngineerReston, VA$108,500 / yearExperience working with Large Language Models (LLMs), LLM APIs, and agentic or agent-based workflows. • Experience applying AI to software engineering activities such as code generation, unit testing, test automation, and code reviews.
Senior Infrastructure Automation Engineer System OneSenior Infrastructure Automation EngineerWashington, DCRemote$78.25–$95 / hourThe SEC environment is expanding automation from an existing baseline and establishing a repeatable model that technical teams can use to automate infrastructure configuration, software and agent deployment, patching, operational procedures, and approved remediation without creating unnecessary dependencies on a single infrastructure team. System One IT has a remote, 12 month+ contract opening for a Senior Infrastructure Automation Engineer to support our client with their SEC ISS2 contract by architecting, engineering, and building an enterprise infrastructure and operations automation capability centered on Red Hat Ansible Automation Platform and Ansible.
NewSenior C++ Software Engineer - Multi-Mission Planning Development Johns Hopkins Applied Physics Laboratory (APL)Senior C++ Software Engineer - Multi-Mission Planning DevelopmentLaurel, MDIn A5C, we develop and deploy advanced planning capabilities and solutions directly into the hands of the warfighter, empowering them to design dominant defenses for maximum performance across multiple simultaneous multiple missions, multiple services, and multiple command echelon planning levels and domains. Are you passionate about applying your talents to address the difficult challenges facing our warfighters such as Operationalizing Artificial Intelligence to support Achieving Robust Homeland and Theater Defenses, Accelerating Warfighting Capabilities in INDOPACOM, or Enabling Space Superiority? .
NewSenior Database Developer Dev Technology GroupSenior Database DeveloperAshburn, VA$110,000–$150,000 / yearWhat You'll Be Doing: The Senior Database Developer will work with a team of database developers and database administrators to support an active program of application development - creating new structures, updating existing ones and managing data within large, complex databases. As a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy:
NewCyber Security Analyst - Sr. Consultant level VisaCyber Security Analyst - Sr. Consultant levelAshburn, VA$152,200–$243,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. If you would like to join a company where security is truly valued, where you can work with like-minded peers who are passionate about the art & science of cyber defense, and where you can use state of the art tools for maximum impact, then we have a home for you.
NewSr. Cybersecurity Analyst VisaSr. Cybersecurity AnalystAshburn, VA$131,600–$210,300 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. If you would like to join a company where security is truly valued, where you can work with like-minded peers who are passionate about the art & science of cyber defense, and where you can use state of the art tools for maximum impact, then we have a home for you.
NewSenior Data Fusion and Tracking Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Data Fusion and Tracking Systems EngineerLaurel, MDThe Multi-Domain Sensing Architectures and Data Fusion Group develops advanced sensing, tracking, and data fusion algorithms that enable next-generation air and missile defense capabilities. Have experience developing and evaluating tracking algorithms through modeling, simulation, analysis, and test data assessment using MATLAB, Python, C/C++, Julia, or similar scientific programming languages.