Principal AI/ML Engineer
HarmonyTech
Position is available in Northern VA, requires US citizenship and ability to obtain public trust clearance.
Responsiblities:- Lead an agile technical team developing AI/ML and Business Intelligence solutions.
- Business Analysis & Project Support – requirements elicitation, process mapping, gap analysis, user story development, risk/issue/dependency tracking
- Business Transformation – use-case documentation, data sensitivity/compliance assessments, stakeholder interviews, change management
- Systems & Technology Analysis – architecture/dependency mapping, integration analysis, configuration management, workflow diagnostics
- AI/ML Testing, Validation & Documentation – test plan execution, model inventories, model cards, explainability artifacts, drift/anomaly monitoring, AI governance documentation
- Solution Design & Development – translating requirements into technical specs, workflow automation builds, data transformation design.
- Amazon Sagemaker, Python, Amazon SageMaker Studio
- Microsoft Power Automate, Power BI
- DBeaver
- JIRA, GitHub, ServiceNow
- SharePoint Online
- Bachelor’s degree in computer science or a related field
- Minimum 5 years of hands-on experience designing, implementing and maintaining AI/ML models out of which at least 2 years with AWS Sagemaker. Hands-on experience with Python and Machine learning libraries such as TensorFlow and Keras.
- Experience with data analysis, data cleansing techniques, feature engineering, model design, model validation, with good understanding of model metrics
- Experience with one or more of the following types of models – Linear regression, Logistic regression, Time series analysis and forecasting
- At least 5 years of experience as a hands-on lead developer, developing code and managing projects using required technology stack (see below).
- Expert knowledge of machine learning and deep learning algorithms and Python libraries
- Expert knowledge of Microsoft Power BI and Power Automate
- At least 2 years of hands-on experience in Power Automate, Power BI and DBeaver
- Ability to communicate clearly with business users, the team, and leadership
- Innovative, results-oriented and focused on delivering on time and with quality
- Experience working with regulatory agencies such as OCC, SEC or FDIC
- Experience with Agile SDLC and tools
- Experience with methodologies such as CRISP-DM
About HarmonyTech
We have been delivering information technology services and solutions across the federal government and commercial clients for over a decade. Our employees are the most important assets of our company because they deliver value and care for our clients. We are a company of passionate technologists, constantly evolving in our understanding and application of technology to best fulfill our clients' mission needs. We operate under a flat and efficient organizational structure to ensure our hand-picked consultants have the flexibility to take risks and be innovative. We typically work in small, agile teams as we design and develop solutions to address our clients' business challenges. Our success is measured with every satisfied customer and employee.
Why you want to join us
- You have a passion for solving our customers' complex business problems
- Awesome learning and professional development opportunities
- A culture built on teamwork and excellence
Benefits
HarmonyTech offers a highly competitive salary and benefits package, including:
- Medical/Dental/Vision Insurance
- Short/Long Term Disability Coverage
- Life and AD&D Insurance
- 401(k) Retirement Plan with Company Match
- Tuition Reimbursement
- Employee Referral Bonus
- Paid Federal Holidays
- Accrued Paid Time Off
If you are interested and feel that you would excel in the position, we invite you to apply. During this phase of our recruiting effort, we will not be able to accept telephone calls. Only those candidates meeting the requirements will be contacted. No recruiters, please.
Legal
HarmonyTech believes in a policy of equal employment and opportunity for all people based on merit. We are an Equal Opportunity Employer (EEO) and Drug Free Workplace Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, protected veteran status, disability status, or any other category protected by applicable federal, state, or local laws.
The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel. Additionally, they do not establish a contract for employment and are subject to change at the discretion of HarmonyTech.
- ...smarter, faster, and more securely in dynamic environments. JOB DESCRIPTION Iron EagleX is seeking a Senior Principal Agentic AI/ML Engineer to support our AI team in Crystal City, VA. This role will design, develop, deploy, and sustain machine learning, artificial...PrincipalContract work
$212k - $248k
...As Sr. AI/ML Engineer III , you’ll support a large data project alongside an agile team of developers, data engineers, supporting a highly cleared customer. We know that you can’t have great technology services without amazing people. At MetroStar, we are obsessed...SuggestedFull timeWork experience placementLocal areaFlexible hours- ...Description Senior AI/ML Engineer Location: Herndon, VA (Hybrid Work) Preferred: US Citizenship Node.Digital is an innovative solutions development company that combines agile development services with next-generation technologies in Cloud, Mobile, and AI...SuggestedFull timeRemote work
- ...Redhorse transforms how the government uses data and technology. We are seeking a dedicated Artificial Intelligence/Machine Learning (AI/ML) Engineer to join our team and contribute to the forefront of AI and deep learning within the Department of War (DoW). Working closely...SuggestedFull timeContract workWork at office
$170k - $200k
As a Sr. AI/ML Engineer I, you will design, build, deploy, and maintain production-ready AI and machine learning solutions, leveraging advanced ML techniques to support Retrieval-Augmented Generation (RAG) capabilities and drive mission-focused outcomes. In this role,...SuggestedFull timeLocal area$143.49k - $197.29k
The Senior AI/ML Engineer is a highly skilled and experienced professional responsible for leading the development of complex AI/ML systems, driving innovation, and mentoring team members to deliver impactful solutions. In this role, you will oversee the design, implementation...Full timeWork experience placementWork at office$180k - $200k
...cybersecurity, network architecture, reverse engineering, software and hardware development... ...customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic... ...seeking a Senior AWS Data Scientist 4 (AI/ML Engineer) to support the Defense Security...Full timeWork at officeLocal areaWork from homeWorldwideHome office$99k - $225k
AI and ML Software EngineerThe Opportunity: Specialize in tools, techniques, systems, and procedures for developing, deploying, or analyzing... ...modernize systemsExperience with Agile methodology, software engineering, product management, and software products Experience running...Full timeContract workPart timeWork at officeLocal areaRemote work$168.1k - $227.4k
...people science and technology organization made up of scientists, engineers, analysts, product professionals and more, all with the shared... ...work on state-of-the-art research, advanced software tools, new AI systems, and machine learning algorithms, leveraging Amazon's in...InternshipFlexible hours$128.7k - $292k
AI & ML EngineerThe Opportunity: As an experienced engineer, you know that machine learning is critical to understanding and processing massive datasets. Your ability to conduct statistical analyses on business processes using ML techniques makes you an integral part of...Full timeContract workPart timeWork at officeLocal areaRemote work$77.5k - $176k
AI/ML EngineerThe Opportunity:Imagine using artificial intelligence (AI) to improve critical IT operations for integrated warfighting capabilities. As a DevOps engineer, you know how to create efficient and effective solutions so you can quickly deliver the best operational...Full timeContract workPart timeWork at officeLocal areaRemote work- ...capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and... ...is seeking an Artificial Intelligence/Machine Learning (Al/ML) Engineer. The AI/ML Engineer shall design, develop, test, evaluate, and...Contract workWork at office
$104k - $166k
ResponsibilitiesPeraton Labs is seeking an AI/ML Engineer to support the development of AI-enabled products and technical capabilities for the FAA BNATCS Program. This role is focused on building practical, mission-relevant software systems that apply AI/ML techniques...Contract workLocal areaShift work- ...at the TS/SCI level with required polygraph.Eligible for up to $15k sign-on bonus!Responsibilities: Develop, implement, and maintain AI/ML-enabled applications with a focus on agent-based workflows, LLM integration, and retrieval-augmented generation capabilities.Design...Full timeRelocation package
$99k - $225k
AI/ML EngineerThe Opportunity:Data scientists and intelligence analysts rely on multi‑step workflows that are time‑sensitive, detail‑rich, and critical to national security. As an AI/ML Engineer, you will work directly with mission users to capture these workflows, document...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Senior Data Engineer / AI ML Engineer with Python, AI/ML & LLMs. Location: Reston, VA ( Hybrid ) Job Summary:We are seeking a highly skilled and...
- DescriptionGalileo seeks an Artificial Intelligence/Machine Learning Systems Engineer to join our team of professionals providing technical and... ...your personal desires and capabilities:Evaluation of advanced AI/ML concepts, systems, technologies, designs, architectures,...Work experience placementWork at office
- TIAG is now hiring a full-stack Senior AI/ML Software Engineer to join our team in support of an exciting Department of War human performance platform product support initiative. The position will require a government security clearance to be processed, so US or Naturalized...For contractorsFor subcontractorLocal areaImmediate start
- ...automate workflows. Our new initiative brings AI directly into this process - using LLMs,... ...'re looking for a senior machine learning engineer to take the lead on this effort. You'll be... ...we're looking for 5+ years in applied ML, including experience with retrieval,...Local areaRemote work
$135k - $216k
...Senior AI/ML Engineer Job Locations US Requisition ID 2026-164159 Position Category Scientific, Research & Analysis Clearance Public Trust Responsibilities Peraton is seeking a highly skilled Senior AI/ML Engineer...Contract workShift work- ...Senior AI/ML Engineer Arlington, VA 540 is seeking a Senior AI/ML Engineer to support a mission-critical technology modernization effort for the Department of War. You will lead the design and evolution of production AI/ML services and infrastructure that enable...Temporary workWork at officeLocal areaFlexible hours
$120k - $160k
OverviewVTG is seeking a highly experienced and innovative Staff II/Staff III AI/ML Engineer to lead the design, development, evaluation, and deployment of advanced artificial intelligence solutions in support of mission-critical and enterprise initiatives. This position...Work experience placement- #Hiring For AI/ML Engineer Location: Arlington, VA /Remote C2C Exp:8+ Visa: GC, Citizen Only Note: I need candidates who are local to Arlington, VA Position Description: Technical understanding of the current AI offerings within Azure and how...Local areaImmediate startRemote work
- ...AI/ML Engineer Location: Arlington, VA Must have an active Top Secret Clearance Node is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks...Contract workImmediate start
$135k - $145k
...Clearance: Secret with ability to get a DHS Suitability Must be a U.S. Citizen Job Summary Castalia is seeking a AI/ML Engineer to support this critical customer mission. The AI/ML Engineer will develop and implement automation solutions to support machine...Full timeContract workWork at officeLocal area- ...characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. They are seeking an AI/ML Engineer to support this critical customer mission. The AI/ML Engineer will develop and implement automation solutions to support...Contract workImmediate start
- ...AI/ML Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a passionate and innovative AI/ML Engineer to join our team and drive cutting-edge solutions...Temporary workFor contractorsImmediate startFlexible hours
- ...AI/ML Engineer Senior At GDIT, our people are our business. We pride ourselves on the work our innovators do to support and secure some of the most complex government, defense, and intelligence projects across the world. We are passionate about leveraging artificial...Temporary workRemote workFlexible hours
- ...5/hr C2C ~ Senior/Lead Level GenAI/ML developer. Experience: ~8 plus years overall in Software Engineering disciplines, preferably in the contracts and legal... ...domain. ~2 to 3 years of experience in AI/ML engineering roles ~ Strong programming...Remote work
$180k - $220k
...Description SAIC is seeking an experienced AI/ML Engineer to serve as a senior technical advisor, ensuring infrastructure supports frontier AI models, mission use cases, and rapid R&D experimentation. Support model-agnostic infrastructure leveraging partnerships with...Contract workFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal AI/ML Engineer. Be the first to apply!



