Software Developer Sr

ECS; Quantico (VA); On-site; USD 140,000 - 180,000; Full time

Job summary

Everforth ECS in Quantico, VA is seeking a Senior Software Developer to join our federal IT team supporting DOJ FBI clients. You will design, develop, and maintain software across enterprise systems, ensuring performance, security, and reliability in mission-critical operations.

The role requires TS clearance, US citizenship, and at least 8 years of software development experience. Collaborative work with stakeholders and rigorous testing will be essential to deliver high-quality solutions.

Qualifications

• US Citizen with an active Top Secret clearance.
• 8 years software development experience.
• Bachelor's degree or equivalent experience.
• SQL Server 2008 R2 or greater, T-SQL stored procedures, views, etc.
• 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.

Responsibilities

• Design, develop, enhance, debug, and implement software
• 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

Skills

Top Secret Clearance

Software development

Unit testing

CI/CD

Stakeholder communication

Education

Bachelor's degree

Tools

C#

VB.NET

C++

WPF

WinForms

WCF

Entity Framework

XML

LINQ

SQL Server

PowerShell

Jira

Job description

Job Description

Everforth ECS is seeking an Senior Software Developer to work in our Quantico, VA office.

Everforth ECS is seeking an Senior Software Developer to work in our Quantico, VA office. 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 Include But Are Not Limited To

• Design, develop, enhance, debug, and implement software
• 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: $140,000 - $180,000

Required Skills

• US Citizen with an active Top Secret Clearance
• 8 years software development experience
• Bachelor's degree or additional relevant experience
• SQL Server 2008 R2 or greater, T-SQL stored procedures, views, etc.
• 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

• Working knowledge of using C#, .NET, WinForms, WPF, WCF, Entity Framework, VB.NET, C++, XML, LINQ, SQL Database platform, MSBuild PowerShell, InstallShield
• 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

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.

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.

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!