Sr. SharePoint and .NET Software Developer

Posted Yesterday
Be an Early Applicant
Hiring Remotely in US
Remote
131K-237K Annually
Senior level
Information Technology • Software
The Role
Provide SharePoint site/content support and .NET software development for custom applications (C#, ASP.NET). Support SharePoint design, develop custom web parts/workflows, maintain SQL Server-backed services, use ticket systems (ServiceNow/JIRA), and interface with customers. Work remotely and must obtain a Government Public Trust clearance; US citizenship required.
Summary Generated by Built In

Leidos is hiring a to support our ESA V program. ESA V is an IT applications and infrastructure services program supporting several customers within the Department of Justice (DOJ), including the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). The program provides a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing.

The program is expanding and adding a dedicated to support the ATF customer. The person hired for this position will provide SharePoint site and content support, as well as .NET software development support for custom applications. This position requires working in a fast-paced, dynamic environment. The ideal candidate will be personable and articulate and will focus on making sure that customers’ and users’ IT needs are met quickly and effectively. He or she will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers and users, understand their needs and issues, and then be able to translate them into actions.

This position is 100% remote and requires working in a fast-paced, dynamic environment; this position also offers the ability for significant virtual support. This position is contingent on receipt of required clearance from the Government customer.

Required Clearance: Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer’s information. US Citizenship is required. Current clearance is not required, but selected individual cannot start the assignment until the required security clearance is granted by the customer.

Primary Responsibilities

  • SharePoint application development, site, and content support
  • C#, ASP .NET and .NET Frameworks, JavaScript, HTML5, CSS, XML, jQuery
  • SQL Server, Web Services, High-level coding
  • Experience with support ticket management systems such as ServiceNow and JIRA

Basic Qualifications

  • Bachelor’s degree from an accredited college in a related discipline, with 12 years of prior relevant experience; or a Master’s degree with 10 years of prior relevant experience; additional years of experience and/or relevant certifications will be considered in lieu of degree.
  • Experience with SharePoint design and development
  • Expertise in developing and deploying custom Web parts, Workflows, Features, Site Content Types, Lists and Libraries, style sheets and site definitions using WSS, SharePoint Object Model and Visual Studio on multiple web applications
  • Experience developing within the .NET framework
  • Expertise in developing N-tier web applications using tools such as ASP.NET, C#, VB.NET, AJAX, XML, ASMX Web Services, ADO.NET, SharePoint Server, IIS 7 and above, JavaScript, CSS, and HTML
  • Experience with SharePoint 2019 and SharePoint Subscription Edition
  • Agile development experience
  • Excellent communication skills, teamwork skills and experience
  • Customer interface experience

Preferred Qualifications

  • SharePoint Online – PowerApps, Power Platform development experience
  • Working knowledge of Active directory to store information about DNS
  • Experience supporting cloud environments (Azure, AWS)
  • Experience with SharePoint migrations
  • Government contracting experience, particularly with the DOJ
  • DOJ Clearance

AppMod

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:June 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.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Skills Required

  • Bachelor's degree with 12 years relevant experience or Master's degree with 10 years (or equivalent experience/certifications)
  • Experience with SharePoint design and development
  • Expertise developing and deploying custom Web Parts, Workflows, Features, Site Content Types, Lists and Libraries using WSS, SharePoint Object Model and Visual Studio
  • Experience developing within the .NET Framework
  • Experience building N-tier web applications using ASP.NET, C#, VB.NET, AJAX, XML, ASMX Web Services, ADO.NET, SharePoint Server, IIS 7+, JavaScript, CSS, HTML
  • Experience with SharePoint 2019 and SharePoint Subscription Edition
  • Agile development experience
  • Excellent communication, teamwork, and customer interface experience
  • Experience with support ticket management systems such as ServiceNow and JIRA
  • US Citizenship and ability to obtain Government Public Trust security clearance
  • SharePoint Online, PowerApps, and Power Platform development experience
  • Working knowledge of Active Directory
  • Experience supporting cloud environments (Azure, AWS)
  • Experience with SharePoint migrations
  • Government contracting experience, particularly with DOJ
  • Possession of DOJ Clearance

Leidos Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.

  • Healthcare Strength Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
  • Retirement Support Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
  • Wellbeing & Lifestyle Benefits Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.

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The Company
Alexandria, VA
27,104 Employees
Year Founded: 1969

What We Do

We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.

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