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Sr. System Architect


Job Location:

Washington, AR - USA

Monthly Salary: Not provided by the employer
Posted: 8 September 2026 (19 hours ago)
Application Deadline: 6 December 2026
Vacancies: 1 Vacancy

Job Summary

Sr. System Architect:

Key Responsibilities
  • Conceptual-to-Technical Bridge: Act as the primary translator between Enterprise Architecture strategy and engineering delivery. Define detailed specifications for microservices integration patterns and cloud-native architectures.
  • Modernization Leadership: Lead the technical design for replacing legacy Rail Transportation systems (Mainframe/TPF) with modern Java and Spring-based microservices using event-driven architecture (EDA).
  • API & Integration Strategy: Design and govern robust API contracts and integration patterns that facilitate seamless communication across heterogeneous systems and multi-domain business environments.
  • Engineering Oversight: Maintain a broad understanding of the full engineering lifecycle. Partner with development teams to ensure architectural integrity during implementation focusing on reusability scalability and performance.
  • Framework Implementation: Apply industry-standard frameworks including TOGAF BizBok and DAMA (DMBok) to ensure that application designs are grounded in enterprise-wide data and business standards.
  • Agile Governance: Practice and provide architectural leadership within a Scaled Agile Framework (SAFe) environment ensuring technical designs support rapid iterative delivery and continuous integration.

Essential Duties & Responsibilities (Other duties may be assigned):
  • Demonstrated knowledge of EA Frameworks Methodologies and Bodies of Knowledge TOGAF Business Architecture Guild (BizBok) and DAMA (DMBok) a plus.
  • Well-grounded in state-of-the-art principles of architectural modeling event-driven architecture enterprise information management and software design and development.
  • Demonstrated experience in the design and implementation of large-scale Rail Transportation system modernization in an enterprise setting.
  • Broad IT experience in technologies ranging from IBM Mainframe & TPF to Java and Spring-based microservices in event-driven system architectures.
  • Demonstrated success at delivering solutions that solve multi-domain business problems.

Minimum Qualifications:
  • Bachelors degree specialized training or equivalent work experience.
  • Requires fifteen years of experience in multiple IT areas and ten years of relevant technology architecture experience.
  • Experience defining and implementing solutions for rail transportation companies is required.
  • Excellent verbal and written communication skills.
  • 5 years knowledge of and practicing experience with SAFe.



***Lumen and / or its clients will not provide equipment (Laptop monitor etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumens client allowing the user access to the required systems and technology.***

Lumen Solutions Group Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.

Required Experience:

Senior IC