Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior .NET/C# Developer

Interactive Process Technology LLC

Job Description

Job Description

Senior .NET/C# Developer

Ft. Belvoir, VA

 

At IPT Associates (IPTA), we enjoy solving real-world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical solutions that actually make a difference. Whether it's a government or business organization, we focus on understanding the need and building something that works.

 

Our Team

At IPTA, everything starts with our people. We're big believers that when you invest in your team, great things happen. That's why we encourage learning, growth, and trying new things-even if you don't have all the answers yet.

Our culture is rooted in fierce determination, fearless integrity, and passionate service -but we also like to keep things collaborative, supportive, and down-to-earth.

 

We're looking for people who:

  • Are curious and excited about technology
  • Like solving problems and figuring things out
  • Can take initiative but also enjoy working with a team
  • Want to keep learning, growing, and challenging themselves

 

If you're someone who's eager to jump in, learn something new, and make an impact-you'll fit right in here.

*This position is contingent upon contract award and the actual job description may vary based on specific contract requirements and organizational needs.*

 

Responsibilities:

  • Design, develop, enhance, and maintain web applications using MS .NET, C#, MVC 4+, and IIS on Windows Server
  • Support all phases of the Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and maintenance
  • Develop and maintain SQL Server stored procedures and database-driven functionality
  • Perform software testing activities including: Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT)
  • Document and track software defects using enterprise bug tracking systems
  • Coordinate defect resolution with developers, testers, and project managers
  • Mentor junior team members on development standards, tools, and best practices
  • Support configuration management and deployment activities in controlled environments
  • Ensure compliance with secure coding standards and mission environment requirements

Requirements:

  • Minimum 8 years of experience supporting .NET development
    • MS .NET
    • C#
    • MVC 4+
    • IIS / Windows Server web development
  • Minimum 5 years of experience supporting the Software Development Life Cycle (SDLC)
  • Minimum 5 years of experience supporting software development testing (Unit, System, Functional, or UAT)
  • Minimum 5 years of experience developing SQL stored procedures
  • Minimum 5 years of experience mentoring junior technical personnel
  • Minimum 5 years of experience documenting software defects using bug tracking tools
  • Ability to obtain SI, TK, G, HCS, and NATO Secret accesses
  • DoD 8140.03 IAT Level II (Intermediate) certification required
  • Active Security clearance required

 

IPTA is an Equal Opportunity Employer. All employment decisions are based on individual merit, including qualifications, experience, performance, and business needs, consistent with applicable federal laws and federal contracting requirements. IPTA provides equal opportunity and utilizes merit-based principles to make employment-related decisions.

 

#clearance

 

 

 

 

Vacancy posted 18 days ago
Similar jobs that could be interesting for youBased on the Senior .NET/C# Developer in Fort Belvoir, VA vacancy
  •  ...Job Description Job Description .NET / C# Developer - Senior - #879 Location: Fort Belvoir, VA    TS/SCI w/CI Poly REQUIRED   Experience: Eight years of experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS)... 
    Senior
    .net

    Allen Integrated Solutions

    Fort Belvoir, VA
    4 days ago
  •  ...TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph.  .NET / C# Developer – Senior Position / LCAT: .NET / C# Developer Level: Senior Lead Designation: N/A Location: Fort Belvoir, VA Role Summary... 
    Senior
    .net
    For contractors
    Flexible hours

    North Point Technology

    Fort Belvoir, VA
    6 days ago
  •  ...the Government Leverage advanced programming skills to develop and incorporate mandatory fields of the DNI Audit.XML...  ...Counterintelligence (CI) polygraph examination ~8 years experience in.NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for... 
    .net
    Civilian Contractor
    Contract work
    Worldwide

    Navstar

    Fort Belvoir, VA
    5 days ago
  •  ...Business Analyst / Requirements Engineer – Senior Position / LCAT: Business Analyst /...  ...stakeholders at all levels to capture, define, develop, and document customer requirements from...  ...(IIS) environment using the Microsoft .NET framework Eight years of experience... 
    Senior
    .net
    Flexible hours

    North Point Technology

    Fort Belvoir, VA
    2 days ago
  •  ...Job Description Job Description SENIOR SYSTEMS ADMINISTRATOR:  Ensures the stable operation...  ...connections. This includes planning, developing, installing, configuring, maintaining,...  ...MCSE: WS2016, MCSA: WS2016, MCSM:DS, M2012 NET, MCM: Windows Server 2016: Directory, MCA... 
    Senior
    .net
    Local area
    Remote work

    Alexton Incorporated

    Lorton, VA
    more than 2 months ago
  •  ...Description Job Description Scrum Master - Senior - #885 Location: Fort Belvoir, VA...  ...of experience working with software developers and customers to scope projects, estimate...  ...Information Services (IIS) using the Microsoft .NET Framework. Three years of experience... 
    Senior
    .net

    Allen Integrated Solutions

    Fort Belvoir, VA
    4 days ago
  • ScrumMaster - Senior (Top Secret with agreement to obtain CI Poly) Fort Belvoir, Virginia...  ...years of experience working with software developers and customers to scope projects, estimate...  ...Services (IIS) using the Microsoft .NET Framework Three years of experience mentoring... 
    Senior
    .net
    Flexible hours

    North Point Technology

    Fort Belvoir, VA
    1 day ago
  •  ...Job Title: UAM Everfox Tool Engineer - Senior Level Location: Lorton, VA (100% onsite...  ...assurance. Experienced and adept at developing and maintaining technical documents,...  ...with VLAN, routing, IP addressing and sub-netting. (Preferred) Experience troubleshooting... 
    Senior
    .net
    Contract work
    Local area
    Afternoon shift

    System One

    Lorton, VA
    10 days ago
  •  ...Polygraph.  SQL Database Administrator – Senior Position / LCAT: SQL Database...  ...databases across supported networks for various .NET applications. Maintains quality of service...  ...planning, while supporting application developers and end users. Responsibilities Provide... 
    Senior
    .net
    Immediate start
    Flexible hours

    North Point Technology

    Fort Belvoir, VA
    6 days ago
  •  ...tools, best practices, and development trendsWhat You Bring:Real-world experience as a Software Engineer or DeveloperProficiency with .NET, C#, MS SQL Server, and full-stack web technologies (ASPX, MVC, Angular, jQuery, Web Services)Experience with test-driven development... 
    Senior
    .net

    Technology , Inc.

    Springfield, VA
    18 hours ago
  •  ...an active TS/SCI clearance with a CI Polygraph.  SharePoint Developer – Senior Position / LCAT: SharePoint Developer Level: Senior Lead...  ...in a DoD or IC environment Experience with Microsoft .NET Framework and IIS for Windows Server North Point Technology... 
    Senior
    .net
    Flexible hours

    North Point Technology

    Fort Belvoir, VA
    6 days ago
  • $140k - $155k

     ...DescriptionOverview:SOSi is seeking a highly qualified Senior Application Developer to join our team 100% on site in Fort...  ...requires a strong proficiency in .NET Core and extensive experience...  ...programming languages and frameworks (such as C#, JavaScript, .NET, or similar).Hands-on... 
    Senior
    .net
    Work at office
    Remote work
    Worldwide
    Monday to Friday

    SOSi

    Fort Belvoir, VA
    1 day ago
  •  ...Senior Geoint Data ScientistMantech seeks a motivated, career and customer-oriented Senior...  ...experience in data mining and developing/maintaining/manipulating databasesDemonstrated...  ...Server, Arc SDE, ArcIMSExperience using.NET, Python, C++, and/or JAVA programming for... 
    Senior
    .net
    Work at office

    Hackajob

    Springfield, VA
    3 days ago
  •  ...Business Analyst / Requirements Engineer - Senior - #884 Location: Fort Belvoir, VA...  ...Services (IIS) environment using the Microsoft .NET framework. Eight years of experience...  ...of experience working with software developers and customers to scope projects, estimate... 
    Senior
    .net

    Allen Integrated Solutions

    Fort Belvoir, VA
    1 day ago
  • $60k - $110k

     ...We are seeking a Senior Web Designer to provide reliable, responsive, and secure support...  ...administration, and development needs. Design, develop, and manage site content and capabilities...  .... Apply current graphic design and .NET technologies to develop, modify, and maintain... 
    Senior
    .net
    Full time
    Contract work

    Staterallc

    Alexandria, VA
    4 days ago
  • $59.89k

     ...tools and experiences.Win as a team - make big things happen by working together and being open to new ideas.Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call... 
    Senior
    .net
    Base plus commission
    Local area

    Comcast

    Alexandria, VA
    4 days ago
  •  ...Description Job Description Job Description Senior Sharepoint Developer (TS/SCI) Location: Fort Belvoir, Virginia Clearance...  ...requirements. Strong proficiency in the .Net framework and coding in C# Proficiency in ASP.NET Web Forms and or MVC Proficiency... 
    Senior
    .net

    TechOpps Inc.

    Fort Belvoir, VA
    4 days ago
  • $135k - $150k

     ...Senior Director of Corporate DevelopmentNew Business – Product Donor AcquisitionDepartment...  ...for managing donors and acquiring net-new corporate product donors (retailers,...  ...Corporate Matching, Community Engagement).Develop sector-based growth plans and account maps... 
    Senior
    .net
    Temporary work
    Work at office
    Local area
    Remote work
    Flexible hours
    2 days per week

    Good360

    Alexandria, VA
    1 day ago
  • $131.3k - $237.35k

     ...lead transformation. ​We're seeking a Senior UiPath Automation Engineer to spearhead...  ...UiPath Automation Engineer to design, develop, and deploy enterprise-grade Robotic Process...  ...​Solid understanding of .NET, VB.NET or C#, and object-oriented programming concepts... 
    Senior
    .net
    Full time
    Contract work

    Leidos

    Alexandria, VA
    3 days ago
  • $105k

     ...ensuring a more secure future. We are seeking a Senior Subcontracts/Contracts Analyst to support...  ...FAR, DFAR. Responsibilities Include: Develops, negotiates, and administers assigned...  ...our CEO has committed to returning 80% of net proceeds to employees. This ensures our team... 
    Senior
    .net
    Contract work
    For subcontractor
    Immediate start
    Remote work

    Age Solutions

    Alexandria, VA
    3 days ago
  • $75k

     ...The Configuration Management Specialist - Senior manages configuration control,...  ...requirements. Responsibilities Include: Develop, implement, and maintain configuration management...  ...our CEO has committed to returning 80% of net proceeds to employees. This ensures our team... 
    Senior
    .net
    Contract work
    For contractors
    Work at office
    Immediate start

    Age Solutions

    Alexandria, VA
    2 days ago
  •  ...Description Job Description Job Title:   Senior Cyber Analyst City: Alexandria...  ...information to wide-ranging audiences Strong Net-Centric/cyber operations background with...  ...DESIRED SKILLS: Ability to develop comprehensive threat analyses across the... 
    Senior
    .net
    Work experience placement
    Work at office
    Local area

    Noetic Strategies Inc.

    Alexandria, VA
    7 days ago
  •  ...Description Overview ADS is seeking a STIP Senior Level Software Tester position...  ...will work closely with software developers, senior systems engineers, and senior architects...  ...programming languages such as Java, C#, C++, ASP.Net, Python, JavaScript . Participate... 
    Senior
    .net
    Remote work

    Acquired Data Solutions

    Springfield, VA
    29 days ago
  • $110k - $140k

    We'relookingfora Senior Product Sales Manager to join our Academia & Government team at Clarivate...  ...by identifying, prospecting, and closing net-new customersExperience working with AI-...  ...significant revenue growth. Identify and develop high-value business opportunities through... 
    Senior
    .net
    Permanent employment
    Full time
    Work experience placement
    Remote work
    Flexible hours

    Clarivate Analytics

    Alexandria, VA
    3 days ago
  • $96.95 - $100 per hour

     ...Job Title: UAM Everfox Tool Engineer - Senior Level Location: Lorton, VA Type:...  ...assurance. Experienced and adept at developing and maintaining technical documents, analyses...  ...VLAN, routing, IP addressing and sub-netting. (Preferred) Experience troubleshooting... 
    Senior
    .net
    Contract work
    Local area
    Afternoon shift

    System One

    Lorton, VA
    4 days ago
  • $92.29k - $114.65k

    Emergency Services Senior Therapist - Court Coordinator Salary $92,292.72 - $114,648.04 Annually Location Alexandria, VA Job Type Full-...  ...of Community and Human Services (DCHS) provides essential safety net services that measurably improve the quality of life for... 
    Senior
    .net
    Full time
    Temporary work
    Work experience placement
    Work at office
    Immediate start
    Relocation package
    Monday to Friday
    Shift work
    Night shift

    City of Alexandria, VA

    Alexandria, VA
    2 days ago
  • $95k - $105k

     ...ensuring a more secure future. AGE Solutions is looking for Senior Security Control Assessors to join our team in support of a cybersecurity...  ...of a company sale, our CEO has committed to returning 80% of net proceeds to employees. This ensures our team shares in the long... 
    Senior
    .net
    Contract work
    Immediate start

    AGE solutions

    Alexandria, VA
    26 days ago
  • $140k - $155k

     ...Job Description Senior Power Platform / SharePoint Developer We are seeking a highly skilled and mission-oriented...  ...to migrate legacy on-premises C# SharePoint solutions and workflows....  .... Solid foundation in Microsoft .NET Framework, C#, and ASP.NET. Experience... 
    .net
    For contractors
    Local area

    Cherokee Federal

    Fort Belvoir, VA
    4 days ago
  •  ...Software Engineer – SharePoint Developer This position requires an...  ...skilled and mission-oriented Senior Power Platform / SharePoint Developer...  ...to migrate legacy on-premises C# SharePoint solutions and...  ...Solid foundation in Microsoft .NET Framework, C#, and ASP.NET.... 
    .net
    Full time
    Local area

    Cherokee Federal

    Fort Belvoir, VA
    9 days ago
  • $35 - $39 per hour

     ...DescriptionJob DescriptionTitle: Junior .NET Developer Location: Charlotte, NC, onsite 4 days a...  ...and cloud technologies.Working alongside senior engineers, you'll help build and support...  ...applications using SQL Server, Snowflake, C#, .NET, and Microsoft Azure.Key ResponsibilitiesDevelop... 
    .net
    Internship
    Flexible hours

    INSPYR Solutions

    Woodbridge, VA
    18 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior .NET/C# Developer. Be the first to apply!