Eng Sr Prin - SW

Job Description

Position Overview
We're seeking a senior-level developer to contribute to the BAE Systems Fuels preventive maintenance application, supporting DLA's fuel automation equipment program and greater Mission Solutions portfolio. You'll work on complex business logic, integrate with enterprise authentication systems, and help establish patterns for junior developers to follow.

Key Responsibilities

• Design and implement workflow state machine for form approval lifecycle
• Build deliverable automation system (PDF packaging, CI number assignment)
• Implement complex repository methods with Entity Framework Core
• Design and implement service layer components (business logic)
• Create reusable WPF controls and MVVM components
• Optimize database queries and resolve performance bottlenecks
• Mentor entry-level developers through code reviews and pair programming
• Write comprehensive unit and integration tests
• Implement security features (role-based access control, audit logging)
• Participate in architecture decisions for new features

This position is located in Charleston, SC. The selected candidate will reside within the area or will relocate at their own expense. There is no relocation available for this position.

Job Title

Eng Sr Prin - SW

Postal Code

29406

Job Family

Software Eng

Travel Percentage

10%

Clearance Level – Must be able to obtain for position

Secret

Shift

1st Shift

Regular or Temporary

Regular

Typical Education and Experience

Typically a Bachelor's Degree and 8 years work experience or equivalent experience

Required Skills and Education

Technical:

• 7 to 10 years of professional software development experience
• Ability to obtain and maintain a Secret security clearance
• Strong C# and .NET development skills (.NET Core/.NET 5+ experience)
• Solid understanding of MVVM pattern and data binding
• Experience with Entity Framework Core or similar ORM
• Proficiency with relational database design and SQL
• Experience with dependency injection containers (Autofac, Microsoft.Extensions.DI, etc.)
• Understanding of async/await patterns and concurrency
• Git workflow experience (branching, merging, pull requests)
• Unit testing experience (xUnit, NUnit, Moq)

Soft Skills:

• Ability to work independently with minimal supervision
• Strong problem-solving skills for complex technical challenges
• Mentoring and knowledge-sharing with junior developers
• Clear technical communication (architecture discussions, code reviews)
• Ability to translate business requirements into technical designs
• Comfortable working with government SOPs and compliance requirements

Preferred Skills and Education

Preferred Skills (Nice to Have)

• WPF application development experience
• PostgreSQL administration and optimization
• OAuth 2.0 / OpenID Connect implementation experience
• Keycloak or other identity provider integration
• Experience with iText or other PDF libraries
• Background with military or government contract systems
• FluentValidation experience
• Serilog or structured logging frameworks
• Experience with hash chain or tamper-evident audit systems
• Understanding of DoD security requirements (STIGs, FIPS 140-2)
• Bachelor's of Science in any related field

About BAE Systems, Inc.

BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Department

0KH00F_Fuel Automation

Company

TST_BAE Systems Tech Sols&Svcs Inc

Posting Requirements

Internal

Job Category

Engineering & Technology

U.S. Person Required

Yes

Business Area

Integrated Def Solutions (I&S)

Physical location of the job

Hybrid

Additional Country (1)

United States

Additional State/Province (1)

Alabama

Additional City (1)

Huntsville

Additional Postal Code (1)

35806

Salary Max Point

184937

Salary Min Point

108787

Union Job

None

Recruiter

Kayla Hicks

U.S. Citizenship Required

Yes