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Autonomous Systems Project Engineer- Launched Effects
Integration Innovation, Inc. (i3)
Huntsville, AL
…flight demonstrations, and speed-to-ramp over protracted paper design…
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Silicon Photonics Process Integration Intern (Summer 2027)
GLOBALFOUNDRIES U.S. INC.
NY
Experience with data analysis, design of experiments, or technical tools such as Python, MATLAB, JMP, or similar software.
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Device Engineering Intern, Silicon Photonics (Summer 2027)
GLOBALFOUNDRIES U.S. INC.
NY
Experience analyzing electrical, optical, or semiconductor manufacturing data; scripting or coding in Python or R; or familiarity with statistical analysis, data visualization, Design of…
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PB
DBA Analyst 1 or 2
Pennington Biomedical Research Center
United States
- $55,000 to $75,000 USD / year
Strong working knowledge of SQL, T-SQL scripting, relational database architecture, database design, data modeling, and stored procedures.
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Data Insights & Visualization Specialist
Peraton
Remote, United States
Analyze business requirements and translate them into the data layer design to provide meaningful insights based on best practices.
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Conference Services Manager
The Fifth Avenue Hotel
New York, NY
…appointed guest rooms, where personal service, extraordinary design, distinctive cuisine, compelling art, and immersive cultural experiences come together to create something truly…
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SITEC - Mobile Device Support Specialist (SR) - Fort Benning, GA
Peraton
Fort Benning, GA
Troubleshoot wireless carrier network services (voice, data, SMS, MMS, tethering, mobile hotspots, and carrier number management).
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Systems Architect
Peraton
Remote, United States
Peraton is seeking a Systems Architect with approximately four years of relevant experience. This position supports the design and evolution of secure, scalable, and high-performing web…
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Intern, Technical Support (Tool & Design)
General Dynamics Ordnance & Tactical Systems
Lincoln, NE
General Dynamics Ordnance and Tactical Systems (OTS) is a global leader in the design, engineering and production of munitions, energetics, weapons, armaments, and missile subsystems around…
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Product Manager - C2 Systems
Peraton
Camp H.M. Smith, HI
Peraton is seeking an Information Management Data and C2 Systems Integrator to work on-site at Camp Smith, HI.
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Power BI Data Architect
Peraton
Herndon, VA
Peraton is seeking a senior-level Power BI Data Architect to lead the architecture and technical design for the migration of an existing SAP BusinessObjects reporting environment, backed by…
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Sr Manager, QA (Mfg)
General Dynamics Ordnance & Tactical Systems
Folsom, CA
General Dynamics Ordnance and Tactical Systems (OTS) is a global leader in the design, engineering and production of munitions, energetics, weapons, armaments, and missile subsystems around…
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Materials Mgmt Partner I
General Dynamics Ordnance & Tactical Systems
Healdsburg, CA
General Dynamics Ordnance and Tactical Systems (OTS) is a global leader in the design, engineering and production of munitions, energetics, weapons, armaments, and missile subsystems around…
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Data Center Manager
Vanderbilt University
Nashville, TN
The Data Center Manager leads the delivery, performance, and continuous improvement of Vanderbilt’s Data Centers, ensuring reliable, secure, and efficient operation of critical computing…
Added 1 min ago
Systems Integrator
Peraton
St Louis, MO
Provide expertise to interpret and implement customer data requirements
Added 1 min ago
WC
Manager, Software Development
WP Company LLC
United States
- $144,600 to $241,100 USD / year
…The Washington Post’s flagship mobile experience. The role is data-driven: priorities, estimates, improvements, and results are tracked against agreed baselines and measured by evidence,…
Added 1 min ago
Database Engineer (MongoDB, Aurora PostgreSQL, AWS)
Peraton
Lanham, MD
…to a development team supporting enterprise applications by design and implement data infrastructure, ETL pipelines, and integration solutions to the Federal Agency customer. This…
Added 1 min ago
Database Engineer (MongoDB, Aurora PostgreSQL, AWS)
Peraton
Lanham, MD
…to a development team supporting enterprise applications by design and implement data infrastructure, ETL pipelines, and integration solutions to the Federal Agency customer. This…
Added 1 min ago
Database Engineer (MongoDB, Aurora PostgreSQL, AWS)
Peraton
Lanham, MD
…to a development team supporting enterprise applications by design and implement data infrastructure, ETL pipelines, and integration solutions to the Federal Agency customer. This…
Added 1 min ago
Database Engineer (MongoDB, Aurora PostgreSQL, AWS)
Peraton
Lanham, MD
…to a development team supporting enterprise applications by design and implement data infrastructure, ETL pipelines, and integration solutions to the Federal Agency customer. This…
Added 1 min ago
Senior Low-Code / Power Platform Developer
Peraton
Fort Huachuca, AZ
Peraton is hiring a Senior Low-Code / Power Platform Developer to work onsite at Fort Huachuca, Arizona.
Added 1 min ago
Software Developer - SME
Peraton
Atlantic City, NJ
Join a team dedicated to protecting the safety and integrity of U.S. air travel. Peraton is seeking a Software Developer - SME to support mission-critical aviation programs aligned with the…
Added 1 min ago
CL
Systems Engineer – Senior Level - TS/SCI Clearance Required
Core-CSI LLC.
Springfield, VA
- $125,000 to $150,000 USD / year
…organization's systems infrastructure, including the implementation and design of hardware and…
Added 1 min ago
Information Security Systems Engineer (ISSE)
Peraton
Chantilly, VA
…organization’s information systems, networks, applications, and data. This role ensures compliance with Customer security frameworks, regulations, and industry best practices while…
Added 1 min ago
AI / ML Developer
Peraton
Remote, United States
…toward operational deployment. Responsibilities include hands‑on data exploration, prototyping, workflow automation, and contributing to secure, well‑governed MLOps practices. The Software…

Koniag Government Services

Senior .NET Developer

Washington, DC, United States

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Job details

Posting language: English
Posted: Oct 22, 2026

Original job description

This position may be filled prior to the posted deadline. Interested candidates are encouraged to apply as soon as possible.

Koniag Emerging Technologies, LLC a Koniag Government Services company, is seeking a Senior .Net Developer with a Secret security clearance to support KET and our government customer in Washington, DC. This is a hybrid position requiring 1 day onsite per week in Washington, DC.

Benefits include medical, dental, and vision insurance, 401(k) retirement plan, paid time off, paid parental leave, life and disability insurance, flexible spending accounts, commuter benefits and tuition reimbursement.

The successful candidate will lead the Design, development, and implementation of software solutions using .NET Framework, ASP.NET Web API, Angular, and Oracle and will lead the operations and maintenance (O&M) of a Federal HR position classification application. The candidate will support and lead (as needed) new AI-assisted development, including tools that analyze position descriptions and support classification decisions.

Responsibilities:

Maintain, enhance and troubleshoot applications across its full stack: .NET Framework, ASP.NET Web API, Angular, and Oracle
Develop and maintain enterprise ASP.NET Web APIs that serve the classification application and related HR applications
Support integration with PeopleSoft HR data (organizational hierarchies, position and locality data)
Maintain automated regression tests (e.g., Playwright) and technical documentation for the application stack
Prepare Implementation guides and technical documentation
Maintain and upgrade the Duende IdentityServer (security token service) host, including OAuth 2.0 / OpenID Connect clients, scopes, and certificates
Design and build AI-assisted applications in .NET, such as tools that analyze position descriptions and support classification determinations

Required Qualifications:

Active Secret security clearance (U.S. citizenship required)
Bachelor's degree in Computer Science or related field; 4 additional years of experience in lieu of degree
Minimum of 7 years of total software development experience, including at least 6 years in .NET development with strong proficiency in C#, ASP.NET (Web Forms, MVC, and Web API), and both .NET Framework and modern .NET
Experience designing and building enterprise ASP.NET Web APIs secured with OAuth 2.0 / OpenID Connect
Working knowledge of Oracle databases and SQL, including ODP.NET or Entity Framework with Oracle
Demonstrated experience building or integrating AI features in applications (LLM APIs, agents, or similar)
Experience using GitHub Copilot or a similar AI coding assistant, and experience using AI for regression testing
Experience using Azure DevOps for Git source control, build and release pipelines, and deployments
Experience supporting production applications: troubleshooting, root-cause analysis, and fixes under change control
Familiarity with JavaScript, HTML, and CSS
Strong problem-solving, communication, and interpersonal skills

Preferred skills and experience:

HR knowledge, especially federal HR: OPM position classification, GS grades, position descriptions
Experience with Duende IdentityServer, token-based authentication, and single sign-on
Experience with Angular (standalone components, reactive forms, RxJS)
Experience building MCP servers, multi-agent systems, or Azure OpenAI / Microsoft AI solutions in .NET
Experience with performing automated testing with Playwright, xUnit, or similar tools

Our Equal Employment Opportunity Policy:

The company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race, color, religion, creed, ethnicity, sex, sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), national origin or ancestry, age, disability, citizenship, military/veteran status, marital status, genetic information or any other characteristic protected by applicable federal, state, or local law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.

The company is dedicated to seeking all qualified applicants. If you require an accommodation to navigate or to apply to a position on our website, please contact Heaven Wood via e-mail at accommodations@koniag-gs.com or by calling 703-488-9377 to request accommodations.

Koniag Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions, Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag, we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical, professional, and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers, employees, and native communities. For more information, please visit www.koniag-gs.com.

Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352

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