Principal Software Engineer (Partial Telework) GliaCell TechnologiesPrincipal Software Engineer (Partial Telework)Columbia, MDFull timeWe 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. The team builds and deploys multiple applications across diverse tech stacks, including containerized React UIs, Java and Go microservices, custom REST security services, and data stores such as MongoDB and an OpenSearch cluster.
Principal Test Engineer GliaCell TechnologiesPrincipal Test EngineerAnnapolis Junction, MDFull timeWe 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. Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.
Principal Endpoint Security Systems Engineer Leidos Holdings Inc.Principal Endpoint Security Systems EngineerBethesda, MD$131,300–$237,350 / yearWorking in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Principal Software Engineer TS/SCI Polygraph Leidos Holdings IncPrincipal Software Engineer TS/SCI PolygraphHanover, MD$154,050–$278,475 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Senior Principal Systems Engineer - State Estimation and Target Tracking Northrop Grumman CorpSenior Principal Systems Engineer - State Estimation and Target Trackinglinthicum, MD$135,800–$203,600 / 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. Progressing past analysis and design, Northrop Grumman Systems Engineers also support the integration of sensor modes and trackers from digital simulation environments to sensor labs to our on-site fleet of specially modified test aircraft.
Principal Elasticsearch Systems Engineer Leidos Holdings Inc.Principal Elasticsearch Systems EngineerBethesda, MD$131,300–$237,350 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Principal‑Level Software Engineer (Java, Python) IDS InternationalPrincipal‑Level Software Engineer (Java, Python)Annapolis Junction, MDFull timeThe engineer will work closely with data scientists and end users to develop analytic tools that support discovery and tradecraft around critical global challenges and operationalize data science within customer environments. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
Principal Python Software Engineer (Partial Telework) GliaCell TechnologiesPrincipal Python Software Engineer (Partial Telework)Annapolis Junction, MDFull timeWe 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.
NewPrincipal Model Based Design Engineer Stanley Black & DeckerPrincipal Model Based Design EngineerTowson, MarylandJoin our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world’s most beloved brands, including DEWALT®, BLACK+DECKER®, CRAFTSMAN®, STANLEY®, CUB CADET®, and HUSTLER®. Our lifelong learning philosophy means you’ll have access to a wealth of state-of-the-art learning resources, including our Lean Academy and online university (where you can get certificates and specializations from renowned colleges and universities).
Principal Information Systems Security Engineer Leidos Holdings IncPrincipal Information Systems Security EngineerLinthicum, MD$154,050–$278,475 / yearAs a Principal Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space.
Principal AI Software Engineer (SWE-4) Leidos Holdings IncPrincipal AI Software Engineer (SWE-4)MD$131,300–$237,350 / yearTechnical Proficiency: Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc. The candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment.
Principal AI Engineer, Special Programs Space Exploration Technologies CorpPrincipal AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Principal Devops Engineer Leidos Holdings Inc.Principal Devops EngineerBethesda, MD$131,300–$237,350 / yearAdditionally, this role will help automate and streamline operations and processes; as well as build and maintain tools for deployment, monitoring and operations, and troubleshoot and resolve issues in dev, test, and production environments. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
NewCloud Engineer Principal Science Applications International CorpCloud Engineer PrincipalWashington, DC$160,001–$200,000 / yearAWS Focused: Configuration of AWS Accounts, IAM Users and Roles, VPCs, subnets, load balancers, Network routes, Transit Gateway, Control Tower, Systems Manager, Config Manager, stack sets, WAF, CloudFront, and Route53. This resource will be responsible for managing cloud environments, possessing extensive skills and knowledge in cloud service provider selection, implementation techniques, application data migration techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
Principal Software Engineer CVS Health CorpPrincipal Software EngineerDC$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
Principal Systems Engineer Mitre CorpPrincipal Systems EngineerMD$162,400–$203,000 / yearMITRE Technology and Engineering's Systems Engineering Division delivers innovative, multidisciplinary systems engineering solutions that address complex national security challenges and advance mission outcomes for sponsors across the federal government. Collaborate across the Systems Engineering Division and MITRE technical community to integrate expertise in systems engineering, digital engineering, modeling and simulation, communications, data analytics, and operational analysis to support Army mission outcomes.
Senior Principal Systems Engineer General Dynamics CorpSenior Principal Systems EngineerAnnapolis Junction, MD$183,381–$193,409 / yearROLE AND POSITION OBJECTIVES: As a Senior-Level Systems Engineer for CISR, youll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems. 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‑Level Software Engineer (Java, Python) IDS International Government Services LLCPrincipal‑Level Software Engineer (Java, Python)Annapolis Junction, MD$155,000–$175,000 / yearThe engineer will work closely with data scientists and end users to develop analytic tools that support discovery and tradecraft around critical global challenges and operationalize data science within customer environments. Combining operational expertise with an intimate understanding of today's greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
392 - Principal AI Software Engineer ARSIEM392 - Principal AI Software EngineerFt. Meade, MDThe candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment. Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc.
Principal Applied AI Engineer, Finance Genesys Cloud Services IncPrincipal Applied AI Engineer, FinanceWashington D.C., DC$225,200–$396,000 / yearThe ideal candidate is both a strategic technical leader and hands-on builder-capable of architecting complex AI systems with a software engineering mindset, influencing organizational direction, and delivering measurable business impact. Through Genesys Cloud, the AI-powered Experience Orchestration platform, organizations can accelerate growth by delivering empathetic, personalized experiences at scale to drive customer loyalty, workforce engagement, efficiency and operational improvements.