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Are you ready to launch your career where your code truly matters? At **Amentum** , we’re building more than just software - we’re delivering mission-critical solutions that shape the future. We’re looking for a **Senior Systems Architect** to join our dynamic team and help us create powerful, intuitive interfaces that drive real-world results.

As part of our agile and tight-knit development team, you’ll collaborate directly with system engineers and users to design and build clean, responsive, and high-performance front-end solutions. You'll work with modern tools - HTML, CSS, JavaScript - and have the opportunity to grow your skills in a fast-paced, mission-driven environment.

This isn’t just another job - it’s a chance to be part of a company where **your contributions directly support national security, technological innovation, and the future of digital transformation** . We’re passionate about what we do, and we’re looking for developers who share that passion - self-starters who love learning, problem-solving, and being part of something bigger than themselves.

If you're looking for a place where your work has real meaning, your team supports you, and your career can thrive - **we’d love to hear from you** .

Responsibilities:

As a **Senior Systems Architect** at Amentum, you’ll be at the forefront of designing, developing, and deploying sophisticated enterprise applications in support of government IT missions. You’ll lead efforts across the full software development lifecycle while applying advanced technical knowledge and strategic insight to create systems that are efficient, secure, and scalable. Your day-to-day responsibilities will include:

• **Lead architectural design and development efforts** for enterprise-level applications using technologies including **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 Team Foundation Server (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.

• **Communicate effectively** across technical and non-technical audiences to align project goals, timelines, and deliverables.

This role calls for someone who thrives under pressure, is technically exceptional, and can see both the big picture and the fine details. Your ability to multitask, stay organized, and lead through complexity will be critical to your success.

Requirements:

+ Bachelor’s **degree** in Computer Science, Engineering, Information Technology, or a related field.

+ 9 **+ years of experience** in systems architecture, software development, or enterprise IT design. Which at least seven (7) years specialized experience

+ Proven **expertise in full software development lifecycle (SDLC)** , with hands-on experience in analysis, coding, testing, documentation, and system acceptance.

+ Demonstrated **knowledge of government IT systems** , standards, and security frameworks.

+ Proficiency **in multiple programming languages and technologies** , including:

+ C#

+ Java

+ JavaScript

+ CSS

+ .NET Framework

+ MVC architecture

+ T-SQL / SQL

+ JavaScript Frameworks (e.g., Angular, React, Vue)

+ Strong **understanding of system design, prototyping, and technology evaluation** to support mission objectives and enterprise scalability.

+ Experience **conducting requirements gathering, functional analysis, and cost-benefit assessments** for large-scale IT solutions.

+ Ability **to develop and maintain technical documentation** , system diagrams, and architecture reports.

+ Excellent **communication and interpersonal skills** , including the ability to interface with technical teams and non-technical stakeholders.

Clearance Required: TS SCI CI-Poly

Minimum Education: Bachelor’s Degree in Computer Science, Information Systems, Engineering, Business,

Minimum Years of Experience: Related discipline with nine (9) years of which at least seven (7) years specialized experience.

Required Certifications: N/A

Preferred:

• **Prior experience supporting DOD or other federal government agencies** .

• **Familiarity with Team Foundation Server (TFS)** and version control best practices.

• **Knowledge of cloud platforms and services** , such as AWS, Azure, or Google Cloud.

• **Experience with Agile or DevSecOps methodologies** in a systems development context.

• **Certifications** such as:

o TOGAF (The Open Group Architecture Framework)

o Microsoft Certified: Azure Solutions Architect Expert

o AWS Certified Solutions Architect - Associate/Professional

o Security+ Certification

• **Ability to lead and mentor multidisciplinary technical teams** .

• **Strong organizational and decision-making skills** , with the ability to handle multiple tasks under pressure and tight deadlines.

• **Track record of identifying and implementing emerging technologies** to improve business performance and operational efficiency.

Pay Transparency Verbiage

Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees are able to enroll in our company’s 401k plan, and, if eligible, a deferred compensation plan and Executive Deferral Plan. Employees will also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants will be able to purchase company stock and have the opportunity to receive a performance discretionary bonus.

The base salary range for this position is **$170,000 to $185,000** . This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.