Senior AI and Large Language Model Engineer

Location: Bethesda, Maryland (On-site / Not-remote)OverviewJoin our innovative team at Black Canyon Consulting as a Senior AI and Large Language Model (LLM) Engineer. We are on the lookout for a seasoned professional to spearhead the design, customization, and integration of cutting-edge large language models (LLMs) into biomedical research workflows and information retrieval systems. The ideal candidate will possess substantial hands-on experience in training, fine-tuning, augmenting, and deploying LLMs in production settings, particularly within the biomedical or life sciences sectors. This role is product-focused and aims to shape the future of AI-driven search, retrieval, and knowledge discovery tools.In this pivotal position, you will act as a subject matter expert (SME) across diverse product and engineering teams. You will be instrumental in defining, architecting, and implementing LLM-driven functionalities across a suite of NCBI services. Strong technical acumen, sound architectural judgment, and effective collaboration within existing product and technical ecosystems are essential.This hands-on role emphasizes building and strategic influence, requiring a candidate who can guide both the development process and the architectural choices made.Please note: We are only considering serious candidates with a minimum of 3+ years of relevant experience following their most recent degree. Recent graduates or those with less experience need not apply.

Prosidian Consulting is seeking a talented General Construction Modeler to join our dynamic team in Bethesda, MD. In this role, you will provide critical engineering support and modeling expertise to our projects. We are looking for individuals who are passionate about construction and engineering, and who thrive in collaborative environments.

Join Edgesource Corporation as an IT Enterprise Architecture ModelerEdgesource Corporation has been a leader in providing innovative technology services for over 25 years, partnering with the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, Law Enforcement, and various other federal, state, and commercial clients both domestically and internationally. Our mission includes delivering specialized technical solutions, particularly in support of the DOD Counter Unmanned Aerial Systems (CUAS) initiatives and tackling critical Cybersecurity threats as a prime contractor with the DHS Cybersecurity & Infrastructure Security Agency (CISA). At Edgesource, you will have the opportunity to engage in meaningful, impactful projects that contribute to national security.Key ResponsibilitiesDevelop and sustain a model-based IT enterprise architecture that aligns with organizational strategies.Collaborate closely with IT Enterprise Architects to define model views and acquire necessary data.Assist partners unfamiliar with modeling in translating their IT architecture into a comprehensive model.Engage with cross-functional teams, including content providers, developers, engineers, and business analysts to ensure effective architecture integration.Promote a culture that values innovation and continuous improvement across the organization.

Join our dynamic team at Prosidian Consulting as a Statistician specializing in data analysis, research support, and statistical modeling. You will play a pivotal role in transforming complex data into actionable insights that drive our mission forward. This position offers the opportunity to work on meaningful projects that impact public health and research initiatives.

Join Aledade as a Senior IT Operations Engineer II, where you will play a crucial role in maintaining the reliability, security, and efficiency of our IT infrastructure and systems. This position merges traditional systems administration with modern DevOps practices, focusing on ensuring system uptime, automating processes, and supporting the scalability of our digital services while adhering to strict compliance standards.In this role, you will be responsible for the health and stability of our production environments. You will take the lead in defining, documenting, and implementing Standard Operating Procedures (SOPs) across all critical IT systems. Your proactive approach will involve designing resilient systems that prevent issues before they arise, fostering a culture of continuous improvement through automation and mentorship of junior engineers.As a strategic partner to our Product, Engineering, and Security teams, you will develop and implement standard operating procedures for monitoring, disaster recovery, and change management, ensuring all systems remain robust, scalable, and fully audit-ready (ITGC, SOX, SOC II Type II, NIST, etc.).

Resource Management Concepts, Inc. (RMC) is a leading provider of innovative professional services tailored for both government and commercial clients. We are dedicated to delivering advanced management and technology solutions that safeguard the well-being of our citizens and the environment of the United States.We are seeking a talented Senior Linux Engineer to enhance our dynamic team, specifically supporting our Navy clients in Bethesda, Maryland. The ideal candidate will be instrumental in maintaining the security and stability of our systems while implementing cutting-edge solutions. This role requires 100% on-site presence.Key ResponsibilitiesAutomation & AAP Management:Platform Architecture: Deploy, upgrade, and maintain the Red Hat Ansible Automation Platform (AAP) 2.x infrastructure, including Automation Controller, Private Automation Hub, and Execution Environments.Content Development: Create, test, and optimize intricate Ansible playbooks and roles to automate processes such as patching, provisioning, and configuration management.Governance: Configure Role-Based Access Control (RBAC) within AAP to guarantee secure access for junior administrators and developers.Integration: Seamlessly integrate AAP with external tools including ServiceNow, Git repositories, satellite servers, and monitoring tools like Splunk and Dynatrace.Migration: Spearhead the migration of outdated Tower/AWX workflows to the modern containerized AAP architecture.Linux Engineering & Operations:Administration: Offer Tier 3 support for RHEL 8/9 servers across physical, virtual, and cloud environments.Security Compliance: Automate the application of DISA STIGs (Security Technical Implementation Guides) and resolve ACAS vulnerabilities using Ansible.Patch Management: Coordinate OS patching cycles and upgrades to ensure minimal downtime.Troubleshooting: Investigate system logs and performance metrics to address complex infrastructure challenges.

At ZoomInfo, we believe in accelerating careers. Our fast-paced environment encourages bold thinking and empowers you to achieve your best work. Join a team that values collaboration, challenges each other, and celebrates achievements. With state-of-the-art tools that enhance your impact and a culture that supports your ambitions, you will not just contribute; you will drive innovation swiftly.About the Role:We are on the lookout for a skilled Senior Software Engineer to bolster our dynamic data team. In this pivotal role, you will spearhead the development of our technographic data services, creating top-tier data pipelines and systems designed to handle billions of signals and data points. This is a unique opportunity to tackle complex challenges and significantly influence our commitment to elevating technographics as a premier offering.What You'll Do:Create and refine extensive data pipelines to extract and process signals from various sources, including web and job postings.Design and build data architectures and storage solutions to effectively manage vast amounts of data.Work closely with data scientists to support and integrate machine learning models within data workflows.Continuously enhance the quality, performance, and scalability of our technographic data platform.Lead technical strategy and outline the roadmap for our data processing infrastructure.

OverviewBlack Canyon Consulting (BCC) is actively seeking a talented Senior Network Engineer to join our team in support of the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This position is full-time and primarily onsite at the NIH-NCBI in Bethesda, MD, with opportunities for occasional remote work.If you are passionate about designing and implementing high-performance network infrastructures and have extensive experience with Arista EOS and CloudVision, we want to hear from you! In this role, you will not only manage networks but also lead a dynamic team, fostering innovation while shaping our network architecture. You'll engage with cutting-edge technologies such as Spine-and-Leaf, VxLAN, EVPN, and BGP, and utilize your scripting expertise to automate processes. This is a unique opportunity to contribute significantly to a vital scientific mission aimed at enhancing health and facilitating medical advancements.

OverviewBlack Canyon Consulting (BCC) is actively seeking a Senior Network Engineer to join our team at the National Center for Biotechnology Information (NCBI) within the National Library of Medicine (NLM), a key component of the National Institutes of Health. This position is full-time and primarily onsite at NIH-NCBI in Bethesda, MD, with the possibility of some remote work.Are you ready to innovate in the realm of hybrid on-premises and cloud networking? We are looking for a Senior Network Engineer with a zeal for designing and deploying high-performance networks. If you possess extensive knowledge of F5 LTM and GTM, BGP and OSPF routing protocols, Arista EOS and CloudVision, and have a solid history of modernizing legacy infrastructure, we want to hear from you! In this pivotal role, you'll not only maintain networks but also act as a technical leader, fostering innovation and shaping our network architecture. You will engage with cutting-edge technologies such as Spine-and-Leaf, VxLAN, EVPN, and BGP, and leverage your Python scripting skills to automate processes for efficiency. This is an exciting opportunity to contribute significantly to a vital scientific mission aimed at enhancing health and advancing medical innovations.

T-Rex Solutions is on the lookout for a talented and motivated AI Solution Architect to significantly contribute to our Business Development and Growth initiatives. This pivotal role centers around the design and construction of technical solution architectures and crafting compelling Federal proposals and solutions. In this vibrant position, you will collaborate closely with clients to diagnose their technical challenges and requirements, developing comprehensive end-to-end Enterprise solutions that facilitate successful sales closures and foster long-lasting partnerships.Key Responsibilities:Design and implement customized end-to-end AI/ML solutions tailored to meet client requirements.Lead technical solution development for proposals, working alongside cross-functional teams to deliver holistic solutions that align with customer specifications.Develop, deploy, and maintain AI/ML-driven solutions, including generative AI, predictive analytics, and automation workflows.Guide customers on AI solution architectures, model selection, data readiness, and integration with existing cloud infrastructures.Create proof-of-concepts (POCs) illustrating AI capabilities such as large language models (LLMs), chatbots, intelligent search, and automated decision systems.Prepare persuasive responses to requests for proposals (RFPs) and requests for information (RFIs) from potential clients.Conduct tailored product demonstrations for prospective customers and partners, both virtually and in-person.Provide comprehensive technical support to the business development team and clients throughout the sales process.Evaluate clients’ technical challenges and needs, formulating bespoke sales strategies.Develop and present internal AI solution materials for stakeholders, clients, and senior management.Engage with clients to uncover issues and propose effective solutions.Analyze competitor products and share insights with marketing and development teams.Generate, qualify, manage, and provide technical assistance to expedite deal closures.

At ZoomInfo, we create an environment where careers thrive. We prioritize speed, bold thinking, and empowering you to achieve your best work. You will collaborate with dedicated teammates who challenge each other and celebrate victories. With innovative tools that enhance your impact and a supportive culture that nurtures your ambitions, you will not just contribute; you will drive significant results—rapidly.In the role of Senior Software Engineer within the API & MCP Platform team, you will lead the charge in developing and enhancing ZoomInfo's API infrastructure, managing millions of API requests weekly that facilitate integrations throughout our platform. Your work will involve utilizing Java and NestJS to create secure, scalable, and high-performance API services that ensure smooth connectivity for our customers and partners.You will be responsible for designing and implementing scalable API architectures, establishing solid API security and authentication best practices, and building systems that allow partners and customers to leverage ZoomInfo's data at scale. Your proficiency in API design, OAuth 2.0, and cutting-edge technologies like the Model Context Protocol (MCP) will be pivotal in crafting exceptional developer experiences.Our engineering culture embraces diversity, curiosity, and openness. We foster collaboration, innovative thinking, and calculated risk-taking in a blame-free environment. You will have the autonomy to work on impactful projects while receiving the mentorship and support necessary for your professional growth.

About Employee NavigatorEmployee Navigator is a rapidly expanding and profitable SaaS company dedicated to partnering with top-tier insurance carriers, payroll service providers, and insurance brokers. Our mission is to streamline the management of employee benefits and HR processes. Our innovative platform simplifies day-to-day tasks associated with benefits administration, employee onboarding, and various HR functions. Serving over 180,000 businesses and 14 million employees nationwide, we are proud to have been recognized as a Washington Post Top Workplace for six consecutive years.About the RoleWe are on the lookout for an experienced Senior Backend Engineer to design, develop, and maintain the APIs that drive Employee Navigator’s benefits enrollment platform. You will collaborate closely with business units, product managers, and QA teams to deliver high-quality APIs for both internal and external use. The ideal candidate will have 7+ years of experience in developing and managing high-traffic, customer-facing APIs, and will leverage their expertise to enhance our API offerings.Our technology stack includes C# on .NET 8 with WebAPI, MVC, and Vue.js for frontend development. Our projects range from simple data capture forms to complex Roslyn-based C# class-to-REST API generators and custom patterns for our enrollment engine. We prioritize planning and peer discussions to ensure the best code quality before implementation. Depending on the task at hand, we utilize Micro-ORM, dynamic SQL, or stored procedures, favoring generics and functional programming for readability.We follow a Kanban methodology, allowing the pace of work to be determined by task definition rather than arbitrary deadlines. We seek engineers who can make informed decisions and devise creative solutions. Close collaboration with product owners and executives ensures features are well understood and relevant problems are addressed.Please note: This position requires onsite work at either our Bethesda, MD or Salt Lake City, UT office on a hybrid schedule.

Join Aledade as a Senior Security Engineer II specializing in Identity and Access Management (IAM). In this pivotal role, you will be instrumental in bolstering the security framework of our enterprise and cloud-based environments. We are in search of a committed expert with extensive knowledge of IAM principles, standards, and best practices. Your contributions will be crucial in protecting our systems and advancing our security compliance efforts.Your responsibilities will include designing, implementing, and maintaining effective IAM solutions, overseeing authentication, authorization, and provisioning across a variety of platforms. You will work collaboratively with diverse teams to ensure that IAM solutions align with organizational security requirements, facilitating secure and efficient access across our enterprise and cloud services. Your ability to foster cross-functional partnerships will be essential in achieving significant outcomes and enhancing our digital security landscape.

Join Our Team at Edgesource CorporationWith over 25 years of pioneering technology solutions, Edgesource Corporation is a leader in providing innovative services to the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, and various federal and commercial clients. At Edgesource, we take pride in empowering our employees to engage in meaningful work that supports critical missions and addresses evolving technical challenges.Key Responsibilities:• Design and sustain a model-based IT enterprise architecture that meets organizational needs.• Collaborate with IT Enterprise Architects to identify model views and gather essential data.• Assist stakeholders unfamiliar with modeling in translating their IT architecture into effective models.• Work alongside cross-functional teams, including content providers, developers, engineers, and business analysts.• Promote a culture of innovation and continuous improvement throughout the organization.

T-Rex Solutions is on the lookout for a seasoned and motivated Principal Solutions Architect specializing in AI/ML to join our team. This pivotal role will significantly contribute to our Business Development and Growth initiatives, concentrating on the design and implementation of technical solution architectures, as well as crafting compelling Federal proposals and solutions. In this fast-paced environment, you will engage directly with clients to uncover their technical challenges and requirements, developing comprehensive, end-to-end Enterprise solutions that pave the way for successful sales and long-term partnerships. Key Responsibilities: Design and develop bespoke AI/ML solutions tailored to meet client specifications. Lead the technical solutioning process for proposals, working collaboratively with cross-functional teams to provide all-encompassing solutions that align with customer needs. Architect, implement, and maintain AI/ML solutions, including generative AI, predictive analytics, and automation workflows. Provide expert advice on AI solution architectures, model selection, data readiness, and integration with existing cloud environments. Create proof-of-concepts (POCs) demonstrating AI functionalities like LLMs, chatbots, intelligent search, and automated decision systems. Compose persuasive responses to requests for proposals (RFPs) and requests for information (RFIs) from clients and prospects. Deliver tailored product demonstrations for potential clients and partners, both virtually and in-person. Provide comprehensive technical support to the business development team and clients throughout the sales process. Evaluate clients' technical challenges and needs, formulating customized strategies for successful engagement. Prepare and present internal AI solution materials to stakeholders, clients, and senior leadership. Collaborate with clients to diagnose issues and recommend effective solutions. Analyze competitive products and offer insights to marketing and development teams. Generate, qualify, and manage technical inquiries to assist in closing deals.

OverviewJoin Black Canyon Consulting (BCC) as a Senior C++ Software Developer and play a pivotal role in supporting the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This full-time position offers the flexibility of remote work or on-site collaboration at the NIH-NCBI facility in Bethesda, MD.At NCBI, recognized as the nation's leading biomedical resource, we are looking for a talented software developer to enhance our biological sequence annotation and data curation systems. With over four million daily users accessing crucial data, your contribution will directly impact biomedical research and public health initiatives. Our bioinformatics pipelines facilitate groundbreaking discoveries across various fields, including medical health and public safety, thus fostering advancements in computational biology and bioinformatics.Duties & Responsibilities:Develop, implement, test, and maintain bioinformatics software and information retrieval systems for NCBI.Collaborate with a diverse team of scientists, bioinformaticians, and developers to design and optimize efficient bioinformatics algorithms.Stay updated with emerging technologies, enhance internal systems, and share expertise with your team.

About Employee Navigator Employee Navigator is a rapidly expanding, profitable SaaS company that collaborates with top insurance carriers, payroll providers, and insurance brokers to streamline the management of employee benefits and HR processes. Our platform simplifies daily tasks associated with benefits administration, employee onboarding, and various HR functions. As the premier broker-focused platform in the industry, we serve over 180,000 companies and more than 14 million employees nationwide. We are also proud to have been recognized as a Top Workplace by the Washington Post for six consecutive years. About the Role In this role, you will engage in software development primarily using C# on .NET Core, alongside MVC and Vue.js for the front-end. Your responsibilities will range from creating simple forms for data capture to developing Roslyn-based C# class to REST API generators and custom patterns that optimize our enrollment engine. We prioritize collaboration and discussion during the code planning phase, ensuring high-quality outputs. Tools such as Micro-ORM, dynamic SQL, and stored procedures are employed based on the project's needs. We appreciate clean, easily readable code, and often utilize generics and functional programming techniques. As a senior engineer, your focus will be on problem-solving, defining features, and coordinating implementations with your peers. Using a Kanban process, we emphasize task clarity over strict timelines, allowing you to make informed decisions and devise creative solutions. Close collaboration with product owners and even executives ensures that features are properly understood and that we address the right challenges effectively.

Join Black Canyon Consulting (BCC) as a Senior Platform Engineer (DataOps), where you will play a pivotal role in supporting the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), which is part of the National Institutes of Health. This position offers the flexibility of being full-time and can be performed onsite in Bethesda, MD, or remotely.NCBI is dedicated to enhancing scientific research and public health by providing free access to biomedical literature and genomic data online. It ranks among the top 400 most-visited websites globally, serving a diverse community of researchers, physicians, educators, students, and the public. NCBI is well-known for developing PubMed, an extensive index of over 29 million biomedical research abstracts, often linked to full-text literature and supporting data.As a member of the newly formed DataOps Platform team, you will tackle complex challenges in developing an enterprise-wide DataOps platform. This initiative leverages decades of experience in managing vital data-intensive applications, utilizing cutting-edge technologies like Kubernetes, GitOps, and containerization.We are committed to attracting top talent with our competitive benefits package that includes medical, dental, and vision insurance, a 401k plan with employer contributions, paid holidays, vacation, a flexible work schedule, and tuition reimbursement. If you thrive in a high-performing, technology-driven environment, we encourage you to apply!

OverviewBlack Canyon Consulting (BCC) is actively seeking a skilled Senior Full Stack Engineer with a robust background in back-end development to join our team supporting the ClinicalTrials.gov (CTG) initiative at the National Institutes of Health (NIH). This pivotal role involves designing and implementing scalable back-end services for a state-of-the-art, enterprise-level data submission platform that must achieve full functional parity with a legacy system while enhancing maintainability, reliability, and performance.Your primary responsibilities will include analyzing legacy codebases and existing business rules, comprehending complex regulatory and workflow logic, and translating that functionality into clean, efficiently architected services in the new system. Familiarity with server-side templates will be advantageous.The ideal candidate will contribute to ensuring that the back-end architecture supports scalability, containerization, observability, and modern DevOps practices in alignment with cloud-native principles.You will collaborate with a highly skilled, cross-functional team that includes Front-end Engineers, Product Managers, UX Designers, QA, DevOps, and client stakeholders to deliver a mission-critical platform that supports clinical research data utilized by hundreds of thousands of users daily.

OverviewAt Black Canyon Consulting (BCC), we are on the lookout for an experienced AI/Machine Learning Specialist to spearhead the design and implementation of cutting-edge AI/ML models that further the mission outcomes of MC&FP, while upholding ethical standards and compliance regulations.Join us and enjoy a competitive benefits package that includes comprehensive medical, dental, and vision coverage, a 401k plan with employer contributions, generous paid holidays, vacation days, and reimbursement for tuition and conference attendance. If you thrive in a high-performing, technology-driven environment, we encourage you to apply today!