Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology GroupSenior Full Stack Developer – (React, Node, AWS & Agentic AI)Reston, VA$116,000–$190,000 / yearAs 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: Generous and flexible time-off policy. Use AI-powered development tools such as Kiro, Amazon Q Developer, GitHub Copilot, or similar agentic AI environments for code generation, refactoring, testing, and specification-driven development.
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 Wireless Reverse Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Wireless Reverse EngineerLaurel, MDHave deep knowledge of digital communications, signal processing, software-defined radio receiver design, modulation/demodulation, synchronization, channel coding, statistical signal processing, or detection theory. Have extensive experience with reverse-engineering platforms such as Ghidra, IDA Pro, Binary Ninja, or similar tools and with reverse engineering embedded devices, communications firmware, or wireless protocols.
NewSenior Embedded Systems Developer Johns Hopkins Applied Physics Laboratory (APL)Senior Embedded Systems DeveloperLaurel, MDHave 6+ years of experience developing and enhancing hardware and software for embedded systems, such as FPGAs, systems-on-a-chip (SoCs), real-time operating systems (RTOS), microcontrollers, and/or weapon systems assemblies, using supported tools and toolchains, such as Vivado Design Suite (incl. Together, we will build capabilities that address sophisticated cyber challenges, assess and integrate real-time systems, perform laboratory and field testing, assist in post-processing data analysis, and communicate findings to sponsors.
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 Reliability Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Reliability EngineerLaurel, MDFMEA, FMECA, Reliability Block Diagrams, Fault Tree Analysis, Probabilistic Risk Assessment and so forth) to quantify risk and inform program decisions in early concept development, acquisition, requirements analysis, design, test and evaluation, and sustainment. You will participate as a reliability SME in various projects, studies, and technical working groups focusing on requirements development, analysis, concept/technology development, acquisition, risk assessments, test planning and system evaluation.
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 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.
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 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.
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? .
Senior Oracle Database Enterprise Architect System OneSenior Oracle Database Enterprise ArchitectMerrifield, VA$125,000–$135,000 / yearExperience 10+ years of IT experience, with significant experience in enterprise architecture, solution architecture, or Oracle database architecture. System One IT is staffing a direct-hire opening for a Senior Oracle Enterprise Architect with a respected systems integrator, supporting a civilian federal end-customer.
Sr DevSecOps Engineer System OneSr DevSecOps EngineerFort Meade, MD$145,000 / hourThis role bridges full-stack software development with automated security gates, enforcing compliance with DoDI 8430 (Accelerated Mission Software Development), the DoD Software Modernization Strategy, and Continuous Authorization to Operate (cATO) criteria. cATO & Governance Automation - Implement automated policy-as-code to satisfy continuous compliance gates under DoDI 8430 and OSD CIO cATO requirements (Real-time Visibility, Active Cyber Defense, Pipeline Attestation).
Sr ServiceNow Product Owner System OneSr ServiceNow Product OwnerReston, VA$73.48 / hourSystem One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. This role partners closely with business and IT teams to define requirements, manage the product backlog, and ensure the platform delivers meaningful value to the organization.
NewSenior Cloud Administrator (onsite) System OneSenior Cloud Administrator (onsite)Washington, DCWe're seeking a talented Senior Cloud Administrator to help architect, deploy, and manage our AWS platforms while supporting emerging AI capabilities and modern containerized workloads. Join our Cloud Architecture and Administration team at the forefront of secure, innovative cloud infrastructure for one of the nation's most critical institutions.