Sr. System Architect

Lumen Solutions Group Inc. • Washington, DC

10h

About The Position

This role acts as the primary translator between Enterprise Architecture strategy and engineering delivery, defining detailed specifications for microservices, integration patterns, and cloud-native architectures. The Sr. System Architect will lead the technical design for replacing legacy Rail Transportation systems (Mainframe/TPF) with modern Java and Spring-based microservices using event-driven architecture (EDA). This includes designing and governing robust API contracts and integration patterns, maintaining a broad understanding of the full engineering lifecycle, and partnering with development teams to ensure architectural integrity. The role also involves applying industry-standard frameworks like TOGAF, BizBok, and DAMA (DMBok) and providing architectural leadership within a Scaled Agile Framework (SAFe) environment.

Requirements

• Bachelor’s degree, specialized training, or equivalent work experience.
• Fifteen+ years of experience in multiple IT areas.
• 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.

Nice To Haves

• 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.

Responsibilities

• Act as the primary translator between Enterprise Architecture strategy and engineering delivery.
• Define detailed specifications for microservices, integration patterns, and cloud-native architectures.
• Lead the technical design for replacing legacy Rail Transportation systems (Mainframe/TPF) with modern Java and Spring-based microservices using event-driven architecture (EDA).
• Design and govern robust API contracts and integration patterns that facilitate seamless communication across heterogeneous systems and multi-domain business environments.
• 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.
• Apply industry-standard frameworks, including TOGAF, BizBok, and DAMA (DMBok), to ensure that application designs are grounded in enterprise-wide data and business standards.
• Practice and provide architectural leadership within a Scaled Agile Framework (SAFe) environment, ensuring technical designs support rapid, iterative delivery and continuous integration.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree