Jobs in the United States

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Senior Manager Design and Engineering
Verra Mobility
Mesa, AZ
Build and maintain strategic relationships with consultants, municipalities, development communities, regulators and industry groups, representing the organization on complex or high-impact…
Added 1 min ago
Head Coach (Store Manager)
Rally House
United States
The Head Coach acts as the Store Manager and is responsible for leading the overall performance and culture of the store. This role builds and develops a strong team, ensures consistent…
Added 1 min ago
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Design Consultant
Waterworks
United States
- $55,000 to $65,000 USD / year
Provide monthly/weekly updates to your manager: pipeline and project status, marketing activities using CRM.
Added 1 min ago
Project Sales Representative-Infrastructure
Sika AG
Remote, United States
With more than 100 years of experience, Sika is a worldwide innovation and sustainability leader in the development and production of systems and products for commercial and residential…
Added 1 min ago
Global Tax Planning Manager
(USA) Ecolab USA Inc.
MN
The Global Tax Planning Manager, based in St. Paul, MN, will mainly be responsible for supporting Ecolab’s international tax planning initiatives and transfer pricing operating model…
Added 1 min ago
Seasonal Stock Associate - UGG
Deckers Retail, LLC
Elizabeth, NJ
…organize inventory and create safe and efficient stock areas. You partner closely with the Stock Lead to receive and merchandise items to ensure that our customers have the product they…
Added 1 min ago
Manager, Physical Therapy
City of Hope
Duarte, CA
In collaboration with the Director of Rehabilitation Services, the Physical Therapy Manager provides leadership, guidance, and support to physical therapy staff, fosters professional…
Added 2 mins ago
UN
VP, Investment Management
United Nations Federal Credit Union
Long Island City, NY
- $275,000 to $295,000 USD / year
…functions, including the optimal use of all systems and resources. Partner with the Chief Investment Officer in the management of UNFCU’s fixed income and equity investment security assets,…
Added 2 mins ago
Tool Coordinator
Loenbro
Centennial, CO
Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries and our service offerings include Critical…
Added 2 mins ago
Office Administrator (San Francisco)
Fenwick & West LLP
United States
Training and development: Partner with the firm’s technical training department and/or trainer to provide direct reports with the technical and substantive training they need to succeed in…
Added 2 mins ago
Supervisor Airport Operations
JetBlue Airways Corporation
Fort Lauderdale, FL
…coaching and mentoring, ultimately contributing to the successful development of a growing team environment. The Supervisor will collaborate and partner closely with Manager(s) in the…
Added 3 mins ago
Project Manager, Global Policy & Impact
SPUN
Remote, United States
The Project Manager is the operational partner to our Director of Global Policy & Impact. The Director is building the coalitions, policy relationships and cross-sector alliances that turn…
Added 4 mins ago
E
Capture Director
eSimplicity
Columbia, MD
- $145,000 to $180,000 USD / year
…new business opportunities while strengthening customer and partner relationships. The ideal candidate brings strong federal health market knowledge, capture leadership experience, and the…
Added 4 mins ago
Director, Office Services & Facilities
Travelers Indemnity Co
New York City, NY
Serves as Corporate Real Estate's on-site presence and office manager for the NYC office, including the executive C-suite and conference space, approximately 300 employees. Owns everything…
Added 4 mins ago
9
Account-Based Marketing Manager
9fin
New York City, NY
- $105,000 to $145,000 USD / year
- Partner with Sales to prioritise accounts and agree commercial objectives, relevant product opportunities and account-level plans.
Added 4 mins ago
Director, Marketing Communications - Lincoln
Ford Global
Detroit, MI
Direct social and ambassador strategy, including partner selection, content development, governance, activation, and performance measurement.
Added 4 mins ago
Restaurant Manager
Bazaar Miami Beach LLC
Miami beach, FL
Reports To: Assistant General Manager / General Manager
Added 5 mins ago
D
Recruitment Marketing Campaign Manager (Contract)
DAVITA
Denver, CO
- $70,000 to $106,000 USD / year
11/09/20262000 16th St, Denver, Colorado, 80202-5117, United States of AmericaRecruitment Marketing Campaign Manager (Contract through March 2026)
Added 5 mins ago
Application Developer
FLEXTRONICS AMERICA, LLC
SC
Reporting to the Information Technology Manager, the Application Developer will be in charge of ensuring for the design, development, enhancement, integration, and support of Flex Flow MES…
Added 5 mins ago
Process Engineer
Flextronics America, LLC
TX
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
Added 5 mins ago
NPI Manager
Flextronics America, LLC
SC
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
Added 5 mins ago
Associate Production Supervisor
Flextronics America, LLC
TX
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
Added 5 mins ago
Business Development Representative - West
GitLab
Remote, United States
Document and continuously improve Business Development Representative processes in the GitLab handbook in partnership with your Business Development Manager. Mentor new BDR hires to help…
Added 5 mins ago
Business Development Representative, SLED - West
GitLab
Remote, United States
Participate in documenting all processes in the GitLab handbook and update as needed with your Business Development Manager
Added 5 mins ago
Business Development Representative, Financial Services
GitLab
Remote, United States
Document and continuously improve Business Development Representative processes in the GitLab handbook in partnership with your Business Development Manager. Mentor new BDR hires to help…

System One

Sr. Full Stack .NET Developer with SQL Server + Oracle

Rockville, MD, United States

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Job details

Apply by: Feb 7, 2027
Posting language: English
Posted: Nov 9, 2026

Original job description

Job Title: Sr. Full Stack .NET Developer with SQL Server + Oracle Location: Rockville, Maryland Type: Contract, long term Compensation: W-2 or C2C negotiable Work Model: Hybrid Security Clearance: No Clearance is required

ALL RESIDENCY STATUS ARE ELIGIBLE TO APPLY

Responsibilities

Support application development, modernization, enhancement, maintenance, requirements gathering, and technical documentation for existing and legacy systems slated for replacement or upgrade.
Support multiple applications utilizing comparable technology stacks, including but not limited to Direct Purchase Order (DPO) process flows and associated workflows executed via the HighGear low-code/no-code platform.
Support Contract Management process flows and workflows associated with the agency contract tracking system.
Support process flows and workflows associated with HR tracking system.
Support process flows and workflows associated with Contract Actions such as New contracts, Solicitations, and all current request types (e.g. inflationary adjustments, budget modifications, Liquidate POs, Changes to Funding codes, etc.).
Work and collaborate within structured project environments alongside an assigned Project Manager.
Work side by side with a DHHS/County assigned Project Manager throughout the project life cycle to ensure project life cycle transparency to all associated stakeholders.
Support project metrics, active knowledge transfer, documentation of business processes, and long-term maintainability of delivered solutions.

Requirements

Master of Science (MS) degree in a computer-related field.
Application Development: Minimum 7 years of experience developing modern .NET Web Applications and Web APIs.
Application Maintenance: Minimum 7 years of experience maintaining .NET Web Applications utilizing MVC, Clean, architecture.
Database Administration & Engineering: Minimum 7 years of experience with Microsoft SQL Server and Oracle database administration, coding, integration, and reporting.
Programming Languages: Proficiency in VB.NET, C#, Blazor, React, .NET, HTML, and SQL.
Data Management: Demonstrated expertise in mapping and migrating data between disparate database systems to Microsoft SQL Server.
Engineering: Proven ability to translate user enhancement requests into functional requirements, system designs, and production-ready implementations.
Identity & Access Management: Experience in integrating applications with Single Sign-On (SSO) and Microsoft Entra ID (formerly Azure AD).
AI Integration: Demonstrated Experience with leveraging AI tools (such as Microsoft Copilot) safely, securely, and in compliance with organizational policies.
DevOps & Deployment: Experience publishing .NET deployment packages across Development (DEV), Testing (TEST), and Production (PROD) environments.
UI/UX & Design: Minimum 7 years of experience applying responsive design principles and executing UI/UX best practices. Accessible UI that are at least WCAG 2.1 AA compliant.

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1

Ref: #851-Rockville-S1

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