Principal Cybersecurity Systems Engineer LeidosPrincipal Cybersecurity Systems EngineerLinthicum Heights, MarylandProvide technical support for the development, engineering, interfacing, integration, and testing of specific components of complex hardware/software systems to include requirements elicitation, analysis and functional allocation, conducting systems requirements reviews, and performing technical/non-technical assessments. The successful candidate will participate in the development/evaluation of system engineering documentation, such as System Engineering Plans, Initial Capabilities Documents, Requirements Specifications, security requirements and security testing documents.
Principal Systems Engineer/SME LeidosPrincipal Systems Engineer/SMEFort Meade, MarylandThe Principal Systems Engineer serves as a senior technical authority leading the design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems utilizing Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) products. March 6, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Skillbridge Principal / Senior Mission Engineering Systems Engineer Northrop GrummanSkillbridge Principal / Senior Mission Engineering Systems EngineerBaltimore, MD$108,800–$163,200 / yearWhat You Will Get to Do: As an integral part of the Modeling, Simulation and Analysis Section, you will apply MS&A techniques with a focus on Mission Engineering while accelerating the delivery of capabilities to our customers through either mission studies, system-of-system trades or performance analysis using credible modeling, simulation, experimentation, and analysis processes to assess system architectures that best deliver the effects, data, and capabilities demanded by tomorrow's missions. Basic Qualifications for Skillbridge Senior Principal Mission Engineering Systems Engineer: Bachelor's degree with 8 years of experience, a Master's degree with 6 years of experience or a PhD with 4 years of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
Principal System Engineer/Program Portfolio Manager KBRPrincipal System Engineer/Program Portfolio ManagerBethesda, MD$148,900–$223,400 / yearKBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
Principal System Engineer - Payload AST Space MobilePrincipal System Engineer - PayloadLanham, MDWe are seeking an experienced and highly innovative Principal Systems Engineer - Payload to lead the design and development of advanced end-to-end wireless systems within a complex telecommunications environment. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.
Principal System Engineer - Payload AST SpaceMobilePrincipal System Engineer - PayloadMarylandWe are seeking an experienced and highly innovative Principal Systems Engineer – Payload to lead the design and development of advanced end-to-end wireless systems within a complex telecommunications environment. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.
Principal Information System Security Engineer (ISSE) Redhorse CorporationPrincipal Information System Security Engineer (ISSE)Chantilly, VAActual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
NewSYSTEMS ARCHITECT - PRINCIPAL (Enterprise Application ICAM Security Lead Agelix ConsultingSYSTEMS ARCHITECT - PRINCIPAL (Enterprise Application ICAM Security LeadFt Belvoir, VADesigns system ICAM implementation architecture to include the software, hardware and communications to support the total requirements as well as provide for present and future cross-functional requirements and interfaces. Identifies, assesses, and presents options for meeting the functional and technical requirements including authentication and authorization, segregation of duties, privileged access management.
Principal Computer Systems Analyst - Windows Northrop GrummanPrincipal Computer Systems Analyst - WindowsBaltimore, MD$98,900–$148,300 / yearBasic Qualifications: Associate's degree with 7years of experience, or a Bachelor's degree with 5 years of experience, or a Master's degree with 3 years of experience; a High School diploma/equivalent with 9 years of experience may be considered in lieu of a completed degree. Maintain operations of multi-user computer systems working with system engineers, PC desktop technicians, networking engineers, project managers, end users, and IT/Cyber management.
Sr. Principal Computer Systems Analyst - Windows Northrop GrummanSr. Principal Computer Systems Analyst - WindowsBaltimore, MD$123,400–$185,000 / yearBasic Qualifications: Associate's degree with 10 years of relevant experience, or a Bachelor's degree with 8 years of relevant experience, or a Master's degree with 6 years of relevant experience, or a PhD with 4 years of relevant experience; a High School diploma or equivalent with 12 years of relevant experience may be considered in lieu of a completed degree. Applicants must have an active U.S. Government Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the U.S. Government Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment.
Principal Systems Integrator Blue OriginPrincipal Systems IntegratorWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. - Depth in at least one and breadth across several of: RF/communications link analysis, orbital mechanics and constellation design, spacecraft bus disciplines, ground system architecture, or network/software architecture — enabling productive collaboration within a multidisciplinary peer group.
Principal Defense Systems Analyst STRPrincipal Defense Systems AnalystWashington, DC$220,000–$260,000 / yearWe focus on the capability and limitations of ground, air, and space sensing and counter-sensing platforms (both crewed and uncrewed) and the resource management of these assets in the service of the survivability and capability of US air and space assets (e.g., the F-35 Joint Simulation Environment) using the methods of operational and systems analysis. You will lead and advise fellow researchers, scientists, and engineers on multi-disciplinary teams spread across multiple STR campuses to understand customer objectives, craft strategic plans, lead proposal efforts, and develop innovative solutions to complex and challenging national security problems.
Principal System Architecture Standards Engineer EchoStarPrincipal System Architecture Standards EngineerHerndon, Virginia$154,275–$200,000 / yearFull timeDeep understanding in AI concepts - GenAI, LLM, supervised learning, reinforcement learning, federated learning and in AI literacy and Innovation skills required to apply advanced AI/data frameworks to the development of next-generation enterprise and system architectures. Monitor and translate emerging AI interoperability protocols (e.g., MCP, A2A, OpenInference, OpenTelemetry, GenAI semantic conventions) into enterprise-wide architecture guidelines and governance guardrails.
Principal Data Scientist - Recommendation & Personalization Systems Capital OnePrincipal Data Scientist - Recommendation & Personalization SystemsMcLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 5 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
Principal Associate, Data Scientist - US Card (Generative AI Systems) Capital OnePrincipal Associate, Data Scientist - US Card (Generative AI Systems)McLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 5 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
Principal Enterprise Architect – Estimation Systems Expert Technology ServicesPrincipal Enterprise Architect – Estimation SystemsWashington, DCAct as primary technical advisor to senior business and engineering leaders; translate complex requirements into actionable architecture roadmaps. - Architect scalable, high-accuracy estimation platforms using event-driven microservices, real-time data processing, and distributed systems.
Systems Engineer Que Technology GroupSystems EngineerMarylandQue Technology Group, Inc ., is seeking a Principal Systems Engineer to be responsible for designing, implementing, and maintaining enterprise‐level systems that support mission‐critical operations. You will work with FORNSAT systems, and various GOTS products, ensuring seamless virtualization, Linux environments, and systems of systems integration.
Systems Engineer Twosix TechnologiesSystems EngineerChantilly, VAMinimum of 10 years of related network engineering experience, or equivalent combination of education, technical certifications/training, and/or work experience. The successful candidate is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure.
NewSenior Linux/Unix Systems Engineer Artech LLCSenior Linux/Unix Systems EngineerWashington, DC$60–$70 / hourDesign and maintain the enterprise patch and configuration management architecture (Red Hat Satellite, Ansible or Ansible Automation Platform), converting manual administrative work into automated, repeatable, version-controlled workflows. • Author and maintain security hardening baselines aligned to CIS Benchmarks and applicable DISA STIGs; own vulnerability scan remediation and support FISMA and NIST SP 800-53 control implementation, POA&M closure, and audit evidence.
Principal/Sr Principal PCB Producibility Engineer Northrop GrummanPrincipal/Sr Principal PCB Producibility EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Collaborate with cross functional team-design teams, Global Supply Chain, PCB Category Management team, and PCB Fabricators to support PCB sourcing strategy and supplier readiness reviews.