Test Engineer Leidos Holdings Inc.Test EngineerBethesda, MD$87,100–$157,450 / yearAs a Test Engineer on this program, you will have the opportunity to design, develop, and execute automated tests to ensure the quality and reliability of software applications and services in a Continuous Integration / Continuous Delivery Pipeline within a commercial cloud environment. Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets.
Network Management Systems (NMS) Linux Engineer CACINetwork Management Systems (NMS) Linux EngineerSterling, Virginia$131,800–$290,000 / yearJob Title: Network Management Systems (NMS) Linux EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity : We are seeking an experienced Linux Engineer to join our team with a background in automation to join our dynamic team supporting Network Management Systems (NMS). Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Cyber Security Project Engineer SwiftCyber Security Project EngineerChantilly, VirginiaDetermination of official compensation or salary relies on several different factors including, but not limited to: level of position, complexity of job responsibilities, geographic location, work experience, education, certifications, Federal Government contract labor categories, and contract wage rates. Participate in a Customer working group that handles extremely sensitive data and track/optimize cloud costs, including developing cost models for IC and DoW partners.
DSP Software Engineer Aligning Talent ConsultantsDSP Software EngineerArlington, VirginiaApply now to join our team of exceptional engineers protecting our nation's security. Collaborate with top minds in electrical engineering and computer science.
SW Developer - Operational Systems Engineer CACISW Developer - Operational Systems EngineerChantilly, VirginiaThe successful candidate will provide a professional evaluation, use-case alignment, and assessment of the potential technology stack, including support for physical hardware, KVM, Proxmox, and VMWare-based and other hypervisor platforms and tradeoffs before initial implementation with management approval. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Senior Software Engineer Aligning Talent ConsultantsSenior Software EngineerArlington, VirginiaJoin an elite R&D team of engineers and scientists developing mission-critical defense systems. Create next-gen signal processing and geolocation solutions for national security challenges.
Senior Azure Devops Engineer/Network Engineer Idea EntitySenior Azure Devops Engineer/Network EngineerHerndon, VA$115,000–$150,000 / yearStrong experience with designing and setting up private networks, network security groups, app gateways/firewalls, and routing for secure and scalable applications. At least six (6+) years of IT experience and experience in architecting applications utilizing Azure stack (App Services, Data Services, Functions, etc.).
Senior Site Reliability Engineer Govcio LLCSenior Site Reliability EngineerArlington, Virginia$210,000–$230,000 / yearFull timeOverview: GovCIO is currently hiring for a Senior Site Reliability Engineer (SRE) to design, implement, and maintain highly available, scalable, and resilient infrastructure systems. The ideal candidate will bridge the gap between development and operations, focusing on automation, reliability, and performance optimization across multi-cloud environments.
Mid-level Software Engineer Edgewater Federal Solutions, Inc.Mid-level Software EngineerGermantown, Maryland$90,000–$100,000 / yearFull timeEdgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies since 2018. BS degree in software/technical based field with at least 2 years of progressive software experience focused on data-oriented business applications, or a minimum of 5 years of progressive software development experience with no degree.
Senior Test Systems Engineer VTGSenior Test Systems EngineerSpringfield, VirginiaFull timeSenior-level Test Systems Engineers assist in leading Application, System and Integration Testing teams performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT. Senior-level systems integration experience working in government or industry integrating large complex System of Systems or Service Oriented Architecture environments residing in cloud, on premise, or hybrid infrastructures.
Software Engineer SME (ServiceNow) VTGSoftware Engineer SME (ServiceNow)Dulles, VirginiaFull timeThe ideal candidate will design, develop, configure, and maintain ServiceNow applications and modules, ensuring platform stability, scalability, and continuous enhancement across multiple enterprise tenants. Overview: We are seeking an experienced Software Engineer SME to support a mission-focused government program delivering enterprise ServiceNow platform engineering services.
Senior Software Engineer CACISenior Software EngineerSterling, VirginiaFamiliarity and Experience with general Software concepts – Software as a Service, Microservices, Containerization, Cross-browser compatibility, Web User Interface Design, Security Principles, Object-Oriented Design, Web Services. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Senior Network Engineer VTGSenior Network EngineerChantilly, VirginiaFull timeOverview: We are seeking an experienced Senior Network Engineer to support a mission-focused enterprise environment, responsible for designing, implementing, and troubleshooting secure network and cloud infrastructure solutions. The ideal candidate will work across AWS environments and hybrid architectures, supporting system reliability, performance, and security through modern networking and DevOps practices.
Sr. Software Engineer Ts/Sci Poly Leidos Holdings Inc.Sr. Software Engineer Ts/Sci PolyAlexandria, VA$131,300–$237,350 / yearYou will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Machine Learning Engineer (Clearance Sponsorship) CACIMachine Learning Engineer (Clearance Sponsorship)Chantilly, Virginia$113,200–$237,800 / yearResponsibilities:Develop and maintain machine learning pipelines and applications using Python and modern ML frameworks• Implement and optimize algorithms for large language model (LLM) integration and deployment• Build RESTful APIs and microservices to serve ML models in production environments• Write clean, maintainable, and well-documented code following object-oriented programming principles• Collaborate with cross-functional teams to understand requirements and translate them into technical solutions• Work with databases (SQL,NoSQL and Vector) to manage training data, model artifacts, and application state• Containerize ML applications using Docker for consistent deployment across environments• Utilize Git for version control and participate in code reviews to maintain code quality• Conduct testing and debugging of ML applications to ensure reliability and accuracy• Support the deployment and monitoring of AI/ML models in cloud environments• Stay current with emerging trends in machine learning, LLMs, and AI engineering best practicesRequired Qualifications:• Must be able to obtain Active TS/SCI clearance with Poly• Bachelor's degree in computer science, Software Engineering, Data Science, or related technical field with 5 years of professional experience in software development or machine learning engineering• Strong proficiency in Python programming with solid understanding of object-oriented programming (OOP) concepts, design patterns, data structures, and algorithms• Experience with development tools and practices including Git version control, Docker containerization, and database management (SQL and/or NoSQL)• Knowledge of LLM technologies including exposure to Large Language Models, orchestration frameworks (LangChain, LangGraph),• Understanding of RAG architectures and vector databases (ChromaDB, Pinecone, Weaviate, or similar) for building intelligent retrieval systems• Strong problem-solving abilities, attention to detail, excellent communication skills, and eagerness to learn in a collaborative team environmentDesired Qualifications:• Master's degree in computer science or related field• Experience with cloud platforms (AWS, Azure, or Google Cloud) and knowledge of MLOps practices for ML model deployment and monitoring• Experience with container orchestration and DevOps including Kubernetes, Rancher, CI/CD pipelines, and infrastructure automation tools like Ansible• Familiarity with enterprise platforms such as ServiceNow, SAP, Tableau, or Splunk• Contributions to open-source ML projects and familiarity with Agile development methodologies . Job Title: Machine Learning Engineer (Clearance Sponsorship)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: CACI is seeking a Software Developer with AI experience to join our dynamic team.
Principal Test Engineer Leidos Holdings Inc.Principal Test EngineerBethesda, MD$131,300–$237,350 / yearCollaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets. Job Summary: As a Test Engineer on this program, you will have the opportunity to perform software development to implement scripts, evaluate test results, and feedback loops in a Continuous Integration Continuous Delivery Pipeline within a commercial cloud environment.
AI Software Engineer - TS/SCI with Polygraph GD Information TechnologyAI Software Engineer - TS/SCI with PolygraphChantilly, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. The role requires expertise in frontend and backend Web development and modern search engineering technologies, including Large Language Models (LLM), Retrieval‑Augmented Generation (RAG), and AI‑assisted retrieval system capabilities development.
Data Engineer, TS//SCI with Counterintelligence Polygraph Required AccreteData Engineer, TS//SCI with Counterintelligence Polygraph RequiredAlexandria, VA$150,000–$180,000You will help ensure that data pipelines run reliably, new datasets can be onboarded efficiently, data quality issues are identified and resolved quickly, and users can access the information they need without unnecessary friction. You will work closely with data scientists, software engineers, AI/ML teams, system administrators, and government customers to maintain reliable data workflows and resolve data-related issues.
Senior AWS Cloud Engineer SwiftSenior AWS Cloud EngineerHerndon, VirginiaThey will manage all scripts and templates in GitHub utilizing git for version control, assist security with implementing security controls to ensure compliance, and actively monitor servers and infrastructure for issues while setting up and maintaining Jenkins pipelines. The Senior AWS Cloud Engineer will be responsible for deploying and maintaining multiple development teams’ AWS infrastructure along with utilizing CloudFormation and Ansible to automate the deployment of the entire infrastructure.
Machine Learning Engineer CACIMachine Learning EngineerChantilly, VirginiaKnowledge of LLM technologies including exposure to Large Language Models, orchestration frameworks (LangChain, LangGraph), • Understanding of RAG architectures and vector databases (ChromaDB, Pinecone, Weaviate, or similar) for building intelligent retrieval systems. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.