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. Technical Writer System OneSr. Technical WriterGaithersburg, MD$60–$65 / hourWe’re seeking an experienced Senior Technical Writer to create and maintain high-quality documentation for complex GEOINT (geospatial intelligence) systems and software . You’ll partner closely with engineers, developers, architects, analysts, and other SMEs to translate technical and mission-focused concepts into clear, usable documentation for multiple audiences.
Sr. Systems Engineer System OneSr. Systems EngineerGaithersburg, MDBachelor's degree in Systems Engineering, Computer Science, Software Engineering, Electrical Engineering or a related STEM discipline and 8-12 years of prior relevant experience or a Master’s with 6-10 years of prior relevant experience. Lead system performance assessments, troubleshoot complex issues across applications, infrastructure, interfaces, networks, and data flows, identify and mitigate technical risks, and drive solutions that ensure system reliability, mission effectiveness, and operational performance.
Sr. Software Developer System OneSr. Software DeveloperGaithersburg, MDThe Senior Software Engineer will work closely with product owners, architects, Scrum Masters, DevSecOps teams, and fellow developers to deliver secure, scalable, and maintainable software solutions. • Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of relevant experience, or a master’s degree with 6 to 10 years of relevant experience.
NewSenior Application Developer (AWS/Python) onsite System OneSenior Application Developer (AWS/Python) onsiteWashington, DCSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Implement comprehensive logging, monitoring, and audit trails (CloudWatch, CloudTrail).
NewSenior Enterprise Data Privacy Analyst System OneSenior Enterprise Data Privacy AnalystMerrifield, VAThe ideal candidate has hands-on experience standing up or enhancing privacy programs in the second line of defense at highly regulated financial environments and can operate strategically while also delivering practical implementation artifacts. The contractor will support the maturation of the organization’s privacy framework, governance processes, privacy risk management capabilities, regulatory compliance obligations, third?party privacy oversight, Privacy Impact Assessment (PIA)/Privacy Risk Assessment (PRA) programs, and privacy reviews of Artificial Intelligence initiatives.
NewSenior Software Engineer C# System OneSenior Software Engineer C#Merrifield, VA$105,000–$120,000 / yearThe ideal candidate will possess advanced software engineering expertise, strong development skills, and the ability to mentor team members while contributing hands-on to complex technical initiatives. We are seeking an experienced Senior Software Engineer to provide technical leadership and drive the design, development, and delivery of mission-critical software solutions.
Sr. GIS Developer - HYBRID System OneSr. GIS Developer - HYBRIDBaltimore, MD$45–$60 / hourPossession of a bachelor’s degree in Business, Computer Science, or a related field, plus five years’ experience in systems analysis, change management, project management, or related fields. Maintain strong knowledge of ESRI ArcGIS technologies including ArcGIS Server, APIs, Web AppBuilder, Collector, ArcSDE, and ArcGIS Mobile.
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).
NewSenior OpenShift/Kubernetes GitOps and CI/CD Engineer System OneSenior OpenShift/Kubernetes GitOps and CI/CD EngineerWashington, DCRemote$77–$90 / hourDesign and implement container image build workflows using Buildah or another appropriate OpenShift-compatible build technology, including image provenance and immutable image identification. Integrate ACS into the software supply chain and implement security policy gates, including blocking critical and high vulnerability images from promotion unless approved.
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.
NewSenior ServiceNow HRSD Architect System OneSenior ServiceNow HRSD ArchitectVienna, VARemoteDesign, prototype, test, and implement ServiceNow HRSD solutions, including Employee Center Pro, HR Case Management, Knowledge Management, and other modules to meet business requirements and provide an exceptional employee/user experience. Advanced proficiency in ServiceNow development, including Scripting (JavaScript and Glide scripting), UI Policies, Business Rules, Client Scripts, and REST/SOAP APIs.
NewSenior Budget Analyst System OneSenior Budget AnalystFort Meade, MD$120,000–$140,000 / yearOn behalf of the Government Customers, prepares funds briefings, financial planning requirements, budget reviews and congressional submissions, financial data calls, annual program plans, open commitment/open obligation reports, and funding documents. Extensive experience preparing funds briefings, financial planning requirements, budget reviews and congressional submissions, financial data calls, annual program plans, open commitment/open obligation reports, and funding documents.
NewSr Network Engineer System OneSr Network EngineerWashington, DCProvide senior-level network engineering support, including advanced data and VoIP design, upgrades, troubleshooting, and Level 3 operational support for campus and wide area networks. • Extensive experience with Cisco routers and switches, Cisco IOS routing protocols (EIGRP, RIP, BGP, IBGP, OSPF), TCP/IP, IEEE 802.x Ethernet, IPSec, and Wireless networking.
NewSenior OpenShift Virtualization Administrator System OneSenior OpenShift Virtualization AdministratorWashington, DCRemote$64.25–$78 / hourRed Hat Certified Specialist in OpenShift Virtualization (EX316) or equivalent; VMware Certified Professional - Data Center Virtualization (VCP-DCV) accepted with commitment to obtain EX316 post-hire. Lead enterprise virtualization operations on Red Hat OpenShift Virtualization (Container-native Virtualization / KubeVirt) in support of the SEC ISS contract and SEC OIT infrastructure mission.
NewSenior AFSIM Analyst Johns Hopkins Applied Physics Laboratory (APL)Senior AFSIM AnalystLaurel, MDCollaborate with our software development teams on improving our customized tools, including designing efficient representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. 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 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 Wireless Signal Processing Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Wireless Signal Processing EngineerLaurel, MDHave deep theoretical and practical knowledge of digital communications and signal processing, with demonstrated expertise in several areas such as statistical signal processing, detection and estimation, receiver design, synchronization, modulation/demodulation, or channel coding. Have experience applying artificial intelligence or machine learning to wireless signal detection, classification, characterization, or reverse engineering, or developing automated or agentic workflows for complex signal-analysis problems.