Senior Enterprise Systems Architect — Govt IT (TS/SCI)

PAE Government Services Inc.; Washington (District of Columbia); On-site; USD 185,000 - 190,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Educational reimbursement

Job summary

Amentum seeks a Senior Systems Architect to lead design, development, and deployment of enterprise applications for government IT missions. You will drive architecture across the SDLC, collaborating with engineers and users to create scalable, secure solutions.

The role requires TS SCI with Poly and 9+ years of architecture experience, with hands-on work in C#, Java, JavaScript, CSS, MVC, .NET, SQL, and TFS. Competitive benefits and ongoing professional growth are provided.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field.

Responsibilities

• Lead architectural design and development efforts for enterprise-level applications using C#, Java, JavaScript, CSS, MVC, .NET, and SQL.
• Coordinate with cross-functional teams to gather, analyze, and define system requirements that align with customer missions and long-term goals.
• Design and implement scalable, maintainable solutions leveraging T-SQL, JavaScript frameworks, and scripting languages, while ensuring code structure follows best practices.
• Oversee development workflows in TFS and ensure proper source control, build, and release processes are followed.
• Perform system integration and prototype emerging technologies to support innovation and future-proof existing infrastructures.
• Write, review, and maintain comprehensive technical documentation, including architecture diagrams, data flow models, and test plans.
• Stay up-to-date on industry trends and emerging technologies, recommending tools and approaches that improve development processes and system performance.
• Troubleshoot complex technical issues quickly and effectively, applying strong problem-solving and decision-making skills.
• Mentor junior developers and engineers, providing code reviews, architectural guidance, and technical leadership.
• Coordinate and prioritize multiple ongoing projects and tasks to meet deadlines in a high-pressure, mission-driven environment.
• Collaborate with business analysts, developers, and senior leadership, ensuring solutions meet performance, security, and usability standards.

Skills

C#

Java

JavaScript

CSS

MVC

.NET

SQL

T-SQL

Angular

React

Vue

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field

Tools

TFS

AWS

Azure

Google Cloud

Job description

Amentum seeks a Senior Systems Architect to lead design, development, and deployment of enterprise applications for government IT missions. You will drive architecture across the SDLC, collaborating with engineers and users to create scalable, secure solutions.

The role requires TS SCI with Poly and 9+ years of architecture experience, with hands-on work in C#, Java, JavaScript, CSS, MVC, .NET, SQL, and TFS. Competitive benefits and ongoing professional growth are provided.