UNKNOWN

FEED

October 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you’ve spent the last few years sharpening your skills in SQL, Java, and mission‑driven engineering, and you’re ready for work that actually moves the needle, this is the opportunity cleared engineers look for when they’re ready for real impact.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

SQL Engineer

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Compensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. · Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval-centric areas like Norfolk, VA and San Diego, CA.

Decision Technologies

Senior Software Engineer

Partner with Cybersecurity on cloud security engineering: IAM, KMS encryption, secrets management, GuardDuty, Security Hub, AWS Config, vulnerability management, and SIEM (SIEMonster/Wazuh) integration; lead remediation of cloud security findings. Strong cloud security engineering knowledge: IAM design at scale, KMS and secrets management, GuardDuty/Security Hub/AWS Config, vulnerability management, and integration with enterprise SIEM platforms (Wazuh, Splunk, Sentinel, or comparable).

YEAR

Meso Scale Discovery

Principal Cloud Engineer

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Integrate with enterprise AI platforms and architectures, including LLMs and RAG pipelines, to enhance HR applications such as natural language search across policies and knowledge bases, automated document summarization, and contextual insights surfaced in user workflows. The Opportunity: Booz Allen is the leading provider of AI services to the nation, and we're looking for a software engineer like you to create full-stack applications that integrate enterprise AI/ML services, including LLMs, to solve tough problems.

<p>Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.</p>

Booz Allen Hamilton Inc.

AI And ML Software Engineer

Business System Solutions is a certified Service-Disabled Veteran-Owned Small Business (SDVOSB) and is a trusted provider of comprehensive IT services and solutions for both government, commercial and small business clients. We bring cross-industry expertise in areas including defense, healthcare, finance, and IT sectors—delivering solutions in cybersecurity, data analytics, enterprise reporting, database management, and software development.

Business System Solutions

Systems Engineer (Remote)

FULL_TIME

Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.

Belay Technologies

Systems Engineer: Linux and scripting

partner JazzHR

We at Navius are seeking a Software Engineer 1 to join a software development team supporting the development and sustainment of integrated, feature-rich capabilities that promote modernization of visualization and presentation tools. This team provides application development and support for tools that allow mission analytic users to view existing data and contribute new information in a collaborative environment.

Navius Technologies

Software Engineer 1 – Java/Python Full-Stack Developer

Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.

Lead Software Engineer, Data & DevSecOps

The position requires an engineer capable of building the monitoring platform from the ground up , understanding how SL1 components communicate across a segmented classified network, working with Azure and network engineering teams to establish the required infrastructure, and delivering a secure, supportable platform that can be transitioned to operations. The successful candidate will serve as a primary technical engineer for implementation of the Skylar 1 (formerly SL1) platform, including deployment of the core Skylar 1/database infrastructure within a Microsoft Azure cloud environment and distributed Skylar 1 Data Collectors across multiple geographically separated sites.

Principal ScienceLogic Skylar 1/SL1 Engineer

ADAPTED_NOW

This role focuses on building production-grade AI systems using Microsoft Azure, including LLM applications, RAG pipelines, and scalable ML models. Design, develop, and deploy classical ML and deep learning models using platforms such as Azure Machine Learning, PyTorch, and Scikit Learn.

AI/ML Engineer

If you enjoy performing cutting-edge software development to develop cybersecurity capabilities using the latest and greatest technologies (including agentic AI), thrive on solving difficult technical problems, and want to work alongside experienced practitioners in a highly collaborative environment, these opportunities offer an excellent next step in your career. Investigating emerging technologies (including agentic AI) and recommending capabilities that may improve digital forensics investigations, intrusion analysis, vulnerability analysis, and general cybersecurity operations.

<p>Parsons is a technology-driven engineering services firm with more than 70 years of experience in the engineering, construction, technical, and professional services industries. The corporation is a leader in many diversified markets with a focus on infrastructure, defense, security, and construction. Parsons delivers design/design-build, program/construction management, systems design/engineering, cyber/converged security, and other professional services packaged in innovative alternative delivery methods to federal, regional, and local government agencies, as well as to private industrial customers worldwide.</p>

Parsons Corp

AI/ML Automation Engineer/Developer (Jr, Mid and Sr.)

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o Experience developing software using Python or Java; o Experience in data modeling, including with normalization of data and working with metrics; o Experience developing and maintaining web-based server applications and implementing algorithms that interface with relational databases such as MySQL or PostgreSQL; o Experience developing task automation using AWS API; o Experience with periodic or streaming data; o Experience with Linux and shell scripting; o Experience designing, develop, and implement data processing workflows; o Ability to develop and optimize data structures within and between routines and for data storage and retrieval using JSON, YAML, or NoSQL Databases; o TS/SCI clearance with a polygraph; o Bachelor's degree in a Computer Science field and 14+ years of experience with general software engineering in a Linux environment, or 18+ years of experience with general software engineering in a Linux environment in lieu of a degree. o Experience with unstructured databases, including Mongo or Elasticsearch, and graph databases, including Neo4J; o Experience with implementation of test environments for automated code validation; o Experience working with containers; o Experience developing CI/CD pipelines with GitLab CI; o Experience with Infrastructure as Code (IAC) and tooling, including Terraform; o Experience with mono-repo architecture and tooling; o Experience with Web page design in JavaScript, Angular, or Python Shiny; o Experience developing pipelines using the AWS API, to include Lambda and Step functions; o Knowledge of network protocols such as NMP or BGP; o Ability to work in an ambiguous, fast-paced, highly collaborative, and team-oriented environment and balance long- and short-term taskings.

Kepora

Cloud Engineer / Full Stack Developer

Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. The team is looking for someone that is knowledgeable with data enrichment/conversion methods, familiar with data ontologies/schemas, strong knowledge of structured data types (XML, CSV, JSON), and has database experience.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Senior Data Analytics Engineer

[AW]-iCims

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

ManTech International Corp

Expert Software Engineer

Meso Scale Diagnostics LLC

AI-Augmented Development: Model and champion AI-first engineering practices - leveraging tools like Claude Code and Cursor to accelerate design, implementation, and review cycles - and help the broader team adopt these workflows effectively. Hands-on experience at scale designing and owning event driven architecture using technologies such as Kafka, Pub/Sub, SNS, Debezium, or similar, where accuracy and auditability are non-negotiable.

ID.me Inc

Staff Software Engineer - Reporting & Billing

We are currently seeking an accomplished Senior DevOps Engineer to join our team to support multiple software products and brands across the organization, such as Debt Solution, CoStar Suite, LoopNet, Apartments.com, Homes.com, and Ten-X. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

CoStar Group Inc

Senior DevOps Engineer (Arlington, VA)

Description: Markon is seeking a Software Engineer to support the Fort Meade customer by developing advanced software solutions that enable large-scale data processing, algorithm development, and mission-critical analytics. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon

Software Engineer 1

This position will design, secure, integrate, and optimize mission-critical cloud and data solutions within classified environments, combining systems engineering principles, cybersecurity compliance, advanced analytics, and modern data engineering practices. Description: Markon is seeking an experienced Systems Engineer specializing in Information Systems Security Engineering (ISSE) and Data Engineering to support an Intelligence Community client in Chantilly, Virginia.

Information Systems Security Engineer

This role focuses on hands-on engineering across Java-based microservices, event-driven distributed systems, APIs, MongoDB, AMQ, Kubernetes, AWS, CI/CD automation, and production-grade backend capabilities that are secure, resilient, observable, and aligned with business needs. Demonstrated experience delivering complex backend technology initiatives across microservices, APIs, AMQ-based messaging, integration services, data platforms, cloud-native deployments, and platform modernization.

Database Engineer Jobs in Chevy Chase, MD

SQL Engineer Leidos

Senior Software Engineer Decision Technologies

Principal Cloud Engineer Meso Scale Discovery

AI And ML Software Engineer Booz Allen Hamilton Inc.

Systems Engineer (Remote) Business System Solutions

Systems Engineer: Linux and scripting Belay Technologies

Software Engineer 1 – Java/Python Full-Stack Developer Navius Technologies

Lead Software Engineer, Data & DevSecOps Leidos

Principal ScienceLogic Skylar 1/SL1 Engineer Leidos

AI/ML Engineer GTT

AI/ML Automation Engineer/Developer (Jr, Mid and Sr.) Parsons Corp

Cloud Engineer / Full Stack Developer Kepora

Senior Data Analytics Engineer Peraton

Expert Software Engineer ManTech International Corp

Principal Cloud Engineer Meso Scale Diagnostics LLC

Staff Software Engineer - Reporting & Billing ID.me Inc

Senior DevOps Engineer (Arlington, VA) CoStar Group Inc

Software Engineer 1 Markon

Information Systems Security Engineer Markon

Senior Software Engineer Pinnacle

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