Senior Software Developer

ECS; Quantico (VA); On-site; USD 150,000 - 170,000; Full time

Job summary

Everforth ECS in Quantico, VA is seeking a Senior Software Developer to support federal mission-critical IT services for the FBI client. You will design, develop, and maintain software across a diverse tech stack, ensuring performance, reliability, and security in a demanding environment.

You will document code, manage version control with GitHub/GitLab, and collaborate with stakeholders to implement automated tests and CI/CD practices. The role requires US citizenship and active TS clearance.

Qualifications

• Citizenship with active Top Secret clearance is required.
• Minimum 8 years of software development experience in relevant tech stack.
• Strong experience with C#, .NET Framework/.NET Core, and JavaScript.
• Familiarity with Razor, WinForms, WPF, WCF, and Entity Framework.
• Professional experience with SQL Server, T-SQL, and SSRS.
• Experience generating Power BI reports and dashboards.
• Knowledge of unit testing within CI environments.
• Excellent interpersonal, communication, and organizational skills.

Responsibilities

• Design, develop, enhance, debug, and implement software.
• Thoroughly document code with .NET XML Documentation.
• Use GitHub/GitLab for version control, branching, and peer reviews.
• Troubleshoot software applications and system integration issues.
• Develop automated test scripts and support testing activities.
• Collaborate with stakeholders to deliver impactful outcomes.
• Support continuous innovation and best practices to improve tools and processes.
• Contribute to deliverables and performance metrics where applicable.

Skills

Top Secret Clearance

8+ yrs exp

C#

.NET Framework

.NET Core

Javascript

Razor

WinForms

WPF

WCF

Entity Framework

VB.NET

C++

XML

LINQ

PowerShell

MSBuild

SQL Server

T-SQL

SSRS

Power BI

Unit testing

CI/CD

Communication

Troubleshooting

Tools

GitHub

GitLab

Jira

Job description

Job Description

Everforth ECS is seeking a Senior Software Developer to work in Quantico, VA.

General Description

Are you ready to play crucial role in supporting cutting-edge technology for federal law enforcement and scientific organizations? ECS is seeking a highly skilled and motivated Software Engineer to provide IT services and support for hardware, IT systems, applications, and operational technologies that support mission critical operations in support of our DOJ FBI Client. The scope of this program is to enhance enterprise IT services and solutions to this FBI component to provide best-in-class end-user support and drive improvements in the operations, management, maintenance and integration of services across multiple networks, systems, and applications to enable and enhance mission operations for law enforcement capabilities.

In this role, you will be working at the intersection of traditional IT and specialized scientific and operational technology systems to ensure functionality, performance, availability, responsiveness of supported IT systems and services. You will be accountable for managing server performance against service delivery objectives and identifying and implementing operational improvements to promote efficiency within the organization.

Responsibilities

• Design, develop, enhance, debug, and implement software
  • Be able to thoroughly document code through .Net XML Documentation.
  • Be able to handle Version Control Management tools such as Github/Gitlab in order to create Branches from Trunk, Shelvesets, Peer Reviews, etc.
• Troubleshoot problems related to software applications; resolve systems integration and compatibility issues
• Support software testing as required, including developing automated test scripts using automation tools
• Interact with required stakeholders
• Support continuous innovation by implementing the best practices to improve technology tools and processes to increase team efficiency and technical execution
• Contribute to deliverables and performance metrics where applicable

Salary Range: $150,000 - $170,000

General Description Of Benefits

Required Skills

• US Citizen with an active Top Secret Clearance
• 8 years software development experience
• Working knowledge of using C#, .NET Framework, .Net Core, Javascript, Razor, WinForms, WPF, WCF, Entity Framework, VB.NET, C++, XML, LINQ, MSBuild PowerShell, MSReport Builder, InstallShield
• SQL Server 2019 or greater, including T-SQL scripting, modification of stored procedures, managing views, working within SQL Server Reporting Service (SSRS) etc.
• Power BI report generation and modification
• Familiarity with writing unit tests and their role in a Continuous Integration environment
• Excellent interpersonal, communication, and organizational skills required
• Strong attention to detail, highly developed critical thinking skills, and solid trouble shooting ability

Desired Skills

• Understanding of engineering modeling languages, such as ER diagrams, UML Sequence diagrams or other engineering artifacts
• Agile/scrum development experience
• Experience writing and reviewing automated test scripts
• Experience with Continuous Integration tools
• Familiarity with automated testing frameworks
• Familiarity with Jira

ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

Everforth ECS is the federal segment of Everforth, a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow.

We Value

• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven

Meet the challenge. Make a difference with Everforth ECS!