NewSr. Linux Systems Administrator Axient LLCSr. Linux Systems AdministratorColumbia, MD$145,000–$165,000 / yearAstrion has an exciting opportunity for a highly experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux server and workstation estate, the high-performance computing (HPC) cluster, and the enterprise storage that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Red Hat Enterprise Linux (RHEL) expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF), DoD STIG, and Comply-to-Connect (C2C) requirements.
Senior DevSecOps Engineer CredenceSenior DevSecOps EngineerMcLean, VATechnical Leadership & Team Management: Lead, mentor, and manage a team of approximately five DevSecOps engineers, providing technical direction, prioritizing work, conducting code and architecture reviews, and fostering a collaborative, high-performing "one team" culture while remaining an active hands-on contributor. Hands-On Engineering: Serve as the technical lead for complex infrastructure, automation, and deployment efforts by designing solutions, troubleshooting production issues, developing infrastructure and pipeline code, and supporting implementation across the DevSecOps toolchain.
Data Scientist 650 Freedom Technology Solutions GroupData Scientist 650McLean, VirginiaDemonstrated professional or academic experience performing NLP tasks, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance. Freedom Technology Solutions Group is looking for a Data Scientist to apply and enhance their skills with developing, running, and analyzing results of complex queries against massive scale data stores.
NewMulti-Cloud Engineer SME - Ft. Belvoir JCS Solutions LLCMulti-Cloud Engineer SME - Ft. BelvoirFt Belvoir, VA$159,000–$173,000 / yearThe selected candidate will collaborate with systems engineers, cybersecurity professionals, network engineers, and application teams to develop cloud architectures that align with DoD enterprise cloud strategies and Zero Trust objectives. This includes working knowledge of comply-to-connect, Zero Trust Network Access, Role- and Attribute- Based Access Controls (RBAC/ABAC), Working knowledge of Purview or similar data governance platforms.
Systems Development Engineer, S3 Amazon.com IncSystems Development Engineer, S3Herndon, VALearn and grow using a DevOps, Agile Scrum, incremental delivery philosophy with highly-supportive peers constantly sharing subject matter expertise and producing peer-reviewed code. Through the use of pioneering techniques in distributed computing, developers are able to durably store their data on Amazons proven computing infrastructure to achieve virtually limitless storage capacity at minimal cost.
Systems Engineer/Developer (Ts/Sci W/ Poly) - Mission Critical Leading Path ConsultingSystems Engineer/Developer (Ts/Sci W/ Poly) - Mission CriticalMcLean, VAThe ideal candidate is a technical leader and doer, not just an advisor - someone who can seamlessly collaborate across infrastructure, platform, application, DevSecOps, information systems security, and data teams while maintaining ownership of system reliability, performance, scalability, and security. This role requires a proven practitioner who can analyze existing (as-is) systems and applications, document current state architectures, design future-state solutions, and implement system enhancements or technology transformations end-to- end.
AWS Cloud Platform Engineer System OneAWS Cloud Platform EngineerMcLean, VARemoteDevelop and maintain cloud platform services and landing zones, including networking, identity, compute, and storage components. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Senior Network Security Engineer (NRE SecOps) MindlanceSenior Network Security Engineer (NRE SecOps)Bethesda, MDRemoteThe Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is a technical leader and subject matter expert in designing and implementing the Network security strategy and firewall management platforms for the next-gen operations for all Client (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Enterprise Networks. Establish management level relationships and partnering with all Business disciplines and other MI teams to define NRE SecOps services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Distinguished Applied Researcher Capital One Financial CorpDistinguished Applied ResearcherMcLean, VA$278,400–$317,700 / yearPreferred Qualifications: • PhD in Computer Science, Machine Learning, Computer Engineering, Applied Mathematics, Electrical Engineering or related fields • LLM PhD focus on NLP or Masters with 10 years of industrial NLP research experience • Core contributor to team that has trained a large language model from scratch (10B + parameters, 500B+ tokens) or through continued pre-training, post training pipeline for alignment and reasoning, LLM optimizations, complex reasoning with multi-agentic LLMs • Numerous publications at ACL, NAACL and EMNLP, Neurips, ICML or ICLR on topics related to the pre-training of large language models (e.g. technical reports of pre-trained LLMs, SSL techniques, model pre-training optimization) • Has worked on an LLM (open source or commercial) that is currently available for use • Demonstrated ability to guide the technical direction of a large-scale model training team • Experience with common training optimization frameworks (deep speed, nemo) • Experience contributing to the team that has trained a large language model from scratch (10B + parameters, 500B+ tokens) or through continued pre-training, post training pipeline for alignment and reasoning, LLM optimizations, complex reasoning with multi-agentic LLMs.
Sr. Distinguished Applied Researcher Capital OneSr. Distinguished Applied ResearcherMcLean, VirginiaBasic Qualifications: PhD in Electrical Engineering, Computer Engineering, Computer Science, AI, Mathematics, or related fields plus 6 years of experience in Applied Research or M.S. in Electrical Engineering, Computer Engineering, Computer Science, AI, Mathematics, or related fields plus 8 years of experience in Applied Research. Key Responsibilities: Partner with a cross-functional team of scientists, machine learning engineers, software engineers, and product managers to deliver AI-powered platforms and solutions that change how customers interact with their money.
Principal Software Engineer HireFitPrincipal Software EngineerAnnapolis, MarylandWe're in search of a highly adept Principal Software Engineer to lead and guide our team of software engineers in crafting intricate software systems. Proven leadership and team management abilities, including experience leading software engineering teams.
Amazon Dedicated Cloud Engineer, Region Reliability Engineering & Automation Amazon.com IncAmazon Dedicated Cloud Engineer, Region Reliability Engineering & AutomationArlington, VAYoull help build and operate high-performing systems that will be critical in reducing operational burden for other AWS Dedicated Cloud teams, enhancing regional reliability through scalability, innovation, and automation. We pioneered cloud computing and never stopped innovating thats why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
Cloud Engineer AmentumCloud EngineerAnnapolis Junction, MarylandSix (6) years’ experience in software development/engineering in programs and contracts of similar scope, type, and complexity, including at least four (4) years of experience in software development on systems utilizing cloud-related technologies is required. Proven progressive responsibility and experience, collectively, with the following: Experience provisioning, configuring, and managing cloud infrastructure and services (e.g., compute, storage, networking, IAM).
Cloud Engineer Amentum Services IncCloud EngineerAnnapolis Junction, MD$278,000–$308,000 / yearMinimum Years of Experience: Six (6) years' experience in software development/engineering in programs and contracts of similar scope, type, and complexity, including at least four (4) years of experience in software development on systems utilizing cloud-related technologies is required. Minimum Requirements (Knowledge, Skills, and Abilities): Proven progressive responsibility and experience, collectively, with the following: Experience provisioning, configuring, and managing cloud infrastructure and services (e.g., compute, storage, networking, IAM).
Senior Microsoft 365 Cloud Specialist Softthink SolutionsSenior Microsoft 365 Cloud SpecialistWashington, District of ColumbiaRemote$45–$55 / hourSC-200, SC-300, SC-400, or SC-100 Senior Microsoft 365 Cloud Specialist Location: Remote Client: American Battle Monuments Commission (ABMC) Job Summary Seeking a Senior Microsoft 365 Cloud Specialist to administer and support Microsoft 365 and Azure environments while providing cloud security, governance, identity management, and Microsoft enterprise solutions for a Federal client. Senior Microsoft 365 Cloud Specialist Location: Remote Work Authorization: US Citizen Job Summary Seeking a Senior Microsoft 365 Cloud Specialist to administer and support Microsoft 365 and Azure environments while providing cloud security, governance, identity management, and Microsoft enterprise solutions for a Federal client.
NewSenior Platform Engineer (Dbaas) Rumble Inc.Senior Platform Engineer (Dbaas)Washington, DC$160,000–$185,000 / yearYou'll collaborate with Rumble Cloud engineering, SRE, and database architecture teams to take DBaaS from initial hardening through launch and into scale-out: defining SLIs/SLOs, building automation and runbooks, integrating with OpenStack services, and serving as a senior escalation point when platform issues impact customers. You'll design and operate DBaaS as a multi-tenant, stateful service: making sure clusters are healthy, databases are highly available, storage and networking are robust, and the platform can scale quickly as adoption grows.
Sr. Systems Engineer - Microsoft 365 Trigyn Technologies IncSr. Systems Engineer - Microsoft 365Baltimore, MDTemporaryContractorFull timeExperience managing directory sync into Azure AD and deep knowledge of Azure AD Sync for Federation, authentication, SSO, and directory sync with Azure AD. Systems engineer – Microsoft 365 to develop solutions for e-mail and collaboration tools as well as handle day-to-day operations within the division.
Data Scientist J5 ConsultingData ScientistMcLeanFull timeThe Sponsor needs experienced SQL and Python skills to transform the Sponsor’s structured and unstructured data into clear and supported analytic insights to help customers with decision making related to production, resources and personnel. Demonstrated professional or academic experience performing NLP tasks, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.
Senior Director, Strategic & Named Accounts - Healthcare - Remote InfobloxSenior Director, Strategic & Named Accounts - Healthcare - RemoteWashington DC, DCRemoteHere, how we empower our people is extraordinary: Glassdoor Best Places to Work 2025, Great Place to Work-Certified in five countries, and Cigna Healthy Workforce honors three years running — and what we build is world-class: recognized as CybersecAsia’s Best in Critical Infrastructure 2024 — evidence that when first-class technology meets empowered talent, remarkable careers take shape. This role requires a proven enterprise sales executive with a track record of scaling high-performing organizations, developing leaders, building executive customer relationships, and consistently exceeding aggressive growth targets within cybersecurity, networking, cloud, SaaS, or adjacent enterprise technology markets.
NewData Scientist MDW AssociatesData ScientistArlington, VAFull timeExperience/Skills:Specialized experience working with programming languages (e.g., Python), business intelligence tools (e.g., Power BI), and analytics platforms (e.g., Databricks).Knowledge and experience in the law enforcement and/or audit industryKnowledge and experience using cloud computing platforms such as AzureKnowledge and experience with relational databases and structured query language (SQL)Experience working with contract, procurement, and accounts payable (AP) data to identify trends, anomalies, and potential risks in support of contract oversight activities. Expert proficiency in common data science tools, including scripted languages (such as SQL, Python, R, and Java Scripts), Integrated Development Environment and analytics platforms, open-source solutions, commercial off-the- shelf tools and hardware-based capabilities to support the data analytic development process and creating models, dashboards, and reports.