Amentum

Systems Architect Senior

Amentum
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18 hours ago
Washington, DC, USASenior

Base Salary

$185k - $190k/yr

Responsibilities

  • Lead architectural design and development for enterprise applications across the full software development lifecycle.
  • Gather and analyze requirements and coordinate with cross-functional teams to align solutions with customer missions and long-term goals.
  • Design scalable solutions using C#, Java, JavaScript, CSS, .NET, MVC, T-SQL, SQL, JavaScript frameworks, and scripting languages.
  • Oversee Team Foundation Server workflows, source control, build processes, and releases.
  • Perform system integration, prototype emerging technologies, and troubleshoot complex technical issues.
  • Create and maintain architecture diagrams, data-flow models, test plans, and other technical documentation.
  • Mentor junior developers and engineers through code reviews, architectural guidance, and technical leadership.
  • Coordinate multiple projects and communicate timelines, deliverables, and technical decisions to varied stakeholders.

Requirements

  • Bachelor’s degree in Computer Science, Information Systems, Engineering, Business, or a related field.
  • At least nine years of related experience, including at least seven years of specialized experience in systems architecture, software development, or enterprise IT design.
  • Hands-on experience with software analysis, coding, testing, documentation, and system acceptance.
  • Proficiency with C#, Java, JavaScript, CSS, .NET Framework, MVC architecture, T-SQL, SQL, and JavaScript frameworks such as Angular, React, or Vue.
  • Knowledge of government IT systems, standards, security frameworks, system design, prototyping, requirements gathering, functional analysis, and cost-benefit assessments.
  • Ability to produce technical documentation, system diagrams, and architecture reports and communicate with technical and non-technical stakeholders.
  • TS/SCI security clearance with polygraph is required.
  • IAM Level 1 / 8570 compliance and Security+ certification are required.
  • Preferred qualifications include DOD or federal-agency experience, Team Foundation Server familiarity, cloud-platform knowledge, Agile or DevSecOps experience, TOGAF, Azure Solutions Architect, AWS Solutions Architect, or Security+ certifications, and experience leading multidisciplinary technical teams.

Benefits

  • Health, dental, and vision insurance.
  • Paid time off and holidays.
  • Retirement benefits including 401(k) matching.
  • Educational reimbursement, parental leave, employee stock purchase plan, tax-saving options, disability and life insurance, and pet insurance.
  • Full-time schedule of eight hours per day, five days per week, within 6:00 a.m. to 6:00 p.m.
  • Benefits may vary by employment type, location, collective bargaining agreement, or other employment contract.

Tech Stack

AngularAWSAzureC#CSSGoogle CloudHTMLJavaJavaScriptReactSQLVue.js
Amentum

About Amentum

10,000+ employees

Amentum provides engineering, operations and maintenance, logistics, and mission support services to U.S. federal agencies and allied governments, including defense and energy programs. Its business centers on large, long-term government contracts spanning defense, space, nuclear cleanup, and infrastructure, with program management and technical services at the core. Headquartered in Chantilly, Virginia, it was formed in 2020 from the spinoff of AECOM’s Management Services division.

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