Principal Software Engineer GliaCell TechnologiesPrincipal Software EngineerAnnapolis Junction, MDWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
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.
Data Scientist, Principal (DCO) Senior GormatData Scientist, Principal (DCO) SeniorAnnapolis Junction, MDFull timeWhat Required Skills You'll Bring:Proficient in PythonExperience with Docker and KubernetesExperience with end to end workflows and projectsThree or more years of Defensive Cyber Operations experienceThree or more years of Machine Learning techniques and statistical model evaluationWhat Desired Skills You'll Bring:Demonstrated expertise with R or Python and SQL to manipulate data and draw insights from large and small data setsExposure to AWS (Amazon Web Services), Cisco CCNA, STIGs IAVA, Big Data Platform (BDP)Strong background and skills in Linux Ubuntu CentOS RHEL, Windows, and virtual environmentsA problem solver who can get in, be given a project, and use engineering skills to determine a solutionJupyter Notebooks, Network Analysis ToolsQualificationsDegree from an accredited college or university in System Engineering or related discipline and one of the following:10 or more years of experience with a Master's degree12 or more years of experience with a Bachelor's degree16 or more years of experience with an Associate's Degree or High School DiplomaTS/SCI with polygraph is required. Evaluate statistical models to determine the validity of analyses, implement evaluated models into production by collaborating with software developers, and periodically re-evaluate and refine machine learning models being used in production.
Senior Principal Cloud Architect Nightwing Intelligence SolutionsSenior Principal Cloud ArchitectAnnapolis Junction, Maryland$122,000–$253,000 / yearWe are seeking an experienced Cloud Solutions Architect to lead a critical program effort to establish a unified software development environment in AWS GovCloud and migrate existing separate development networks into a single, common development environment. This role focuses on designing scalable, secure, and high-performance cloud architectures that consolidate disparate development infrastructures while maintaining the rigor, consistency, and reliability required for mission-critical operations.
Senior or Principal Agent & Assistant Director of 4-H Youth Development University of MarylandSenior or Principal Agent & Assistant Director of 4-H Youth DevelopmentMarylandDuties include identifying issues and opportunities aligned with organizational priorities, and collaborating with faculty and partners to develop, implement, and evaluate educational programs that meet the statewide needs of youth, residents, agencies, organizations, industries, and communities in these areas. • Work collaboratively with UME Programs (i.e., Agriculture and Food Systems, Environment and Natural Resources-Sea Grant, Family and Consumer Sciences), departments, and colleges to develop partnerships and interdisciplinary programs.
Principal Radio Frequency Engineer (EWS111) Research InnovationsPrincipal Radio Frequency Engineer (EWS111)Aberdeen Proving Ground, MDYou will support and sustain deployed operational systems, ensuring performance, reliability, and mission effectiveness in real-world conditions, while contributing to systems that discover, analyze, and exploit signals across full-spectrum operations—delivering precise, actionable intelligence when it matters most. We build advanced software solutions for government and military missions, applying agile development and user-centered design to solve complex, mission-critical problems.
Principal Engineer The High CompaniesPrincipal EngineerBaltimore, MDESSENTIAL JOB FUNCTIONS: Engineering leadership and management: Ensure that on projects assigned within the region or national account, technical staff: Adhere to StructureCare quality, schedule, and budget requirements, adjusting as necessary to meet targets. Manage assigned direct and/or indirect report relationships including: Conduct all required performance reviews with regular check-ins, documentation and positive coaching as required to ensure the development of engineers assigned.
Principal Software Engineer Bigbear.aiPrincipal Software EngineerColumbia, MarylandFull timeEngineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives. About BigBear.ai: BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity.
Principal Software Engineer Intelliforce-IT Solutions GroupPrincipal Software EngineerAnnapolis Junction, MD$207,000–$266,000 / yearCompensation Range: $207,000.00 - $266,000.00 *The salary range provided reflects an estimate based on current market trends and may be adjusted based on factors such as the candidate's experience, skills, and qualifications. You will lead the technical vision for a new capability, define what done looks like, and work closely with an Integrated Feature Team to carry the work across the full lifecycle.
Senior Principal Electrical-Optics Engineer General Dynamics Mission Systems, IncSenior Principal Electrical-Optics EngineerAnnapolis Junction, MD$202,197–$213,254 / yearThe breadth of these projects includes technologies for application in free-space optical (FSO) and fiber communications and sensors, photonic integrated circuits, active and passive optical remote sensing and imaging, microwave photonics, and quantum technologies. General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.
Principal Firmware Reverse Engineer (AI-Assisted) Bigbear.aiPrincipal Firmware Reverse Engineer (AI-Assisted)Columbia, MarylandFull timeOverview: BigBear.ai is seeking a Principal Firmware Reverse Engineer focused on advancing reverse engineering capabilities through AI-assisted tooling and automation. What you will do: Design and implement tooling enhancements to support reverse engineering workflows for firmware, embedded systems, and application software.
Principal Senior Vulnerability Research Engineer (Onsite) Nightwing Intelligence SolutionsPrincipal Senior Vulnerability Research Engineer (Onsite)Annapolis Junction, Maryland$122,000–$253,000 / yearFor over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Principal Solution Architect Pharmacy/PBM Lumen Solutions Group, Inc.Principal Solution Architect Pharmacy/PBMBaltimore, MDRemoteThis role requires a senior technical leader who can define solution architecture, lead other architects, and collaborate closely with Cybersecurity, Enterprise Data, and other domain architecture teams. The ideal candidate will have extensive experience with Pharmacy Benefits Administration and PBM operations and will be responsible for architecting the integration of a PBM provider with existing healthcare payer and core systems.
Principal Solution Architect Oracle Financials Lumen Solutions Group, Inc.Principal Solution Architect Oracle FinancialsBaltimore, MDRemoteSeeking a Principal Solution Architect with deep Oracle Financials / Oracle E-Business Suite (EBS) expertise to lead architecture and integration solutions for complex enterprise initiatives. The ideal candidate will provide strategic technical direction, make key architecture decisions, and guide solution delivery across Oracle Financials and related ERP platforms.
Principal Software Engineer Expert In Recruitment SolutionsPrincipal Software EngineerWoodlawn, MDImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Principal Engineer Ion Storage SystemsPrincipal EngineerBeltsville, MDFull timeResponsibilities: Work collaboratively with the team to support the existing prototype line, identifying the key levers to drive optimal process reliability, quality, and uptimeLead root-cause investigations for difficult or ambiguous equipment and process failures, and drive corrective/preventive actions to closure. As a Principal Engineer, you'll take ownership of significant workstreams - leading equipment builds, troubleshooting efforts, and process improvements end-to-end - while mentoring other engineers and raising the technical bar across the team.
Principal Journeyman-Commercial Service Constellation Energy Generation, LLC.Principal Journeyman-Commercial ServiceBaltimore, MarylandFull timeNow integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all.
National Director of Principal Gifts - 2025728 World ReliefNational Director of Principal Gifts - 2025728Towson, MDThe National Director invites partners into bold expressions of generosity by faithfully stewarding relationships, articulating compelling opportunities for impact, and grounding fundraising practice in a distinctly Christian theology of generosity. Reporting to the Vice President of Strategic Engagement, this role plays a critical part in advancing World Relief’s mission by cultivating deep, trust‑based relationships with donors who feel called to invest significantly in God’s work in the world’s greatest crises.
AP110 Principal Software Systems Engineer / Full-Stack Architect SupportAP110 Principal Software Systems Engineer / Full-Stack ArchitectGreenbelt, MarylandRemoteAP110 Principal Software Systems Engineer / Full-Stack Architect Program: NASA GSFC Astrophysics Science Division: Guest Observer Facility (GOF) Modernization Project Location: Remote Position, US-based only (occasional travel to NASA Goddard Space Flight Center, Greenbelt, MD will be required for badging and review milestones) Employment Type: Full-time contractor position Level: Senior / Principal (~10+ years of relevant experience) Eligibility: Must be a US Citizen or Lawful Permanent Resident (LPR); having resided in the US for the past 3 consecutive years and able to meet the access requirements for a system handling Controlled Unclassified Information (CUI) and Personally Identifiable Information (PII). Defining Success: By the end of 2026, you deliver a credible, demonstrable prototype that unifies key parts of the proposal–review–grant workflow for an initial set of missions, earns buy-in from participating mission stakeholders, and establishes the architecture, security posture, and team practices needed to iterate quickly toward a production system.