Senior Systems Architect

Company Description

Lumen SolutionsGroupInc. is a technology consulting Services company based inFlorida. Weprovidea wide array of experienced business and IT professionals supporting clients from solution design to implementation and support.We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and EnterpriseTransformation.

Job Role: Senior Systems Architect

Job Location: Washington, DC (Remote - Quarterly travelrequiredfor PI Planning (Washington, D.C. or Wilmington, DE)

Job Type: Contract

JOB SUMMARY

Role Overview

The Sr. System Architect is a key technical leader responsible for driving research, design, and evolution of advanced estimation systems within a rail transportation domain. This role requires deep expertise in algorithms, applied mathematics, and physics-based modeling, combined with enterprise architecture leadership.

This individual will lead R&D efforts for next-generation estimation capabilities, ensuring solutions are accurate, scalable, and aligned with enterprise architecture standards.

Essential Duties & Responsibilities

Architecture & Technical LeadershipLead the architecture, design, and evolution of advanced estimation platforms, incorporating algorithmic, statistical, and physics-based modeling approaches.

Define and implement enterprise-grade system architectures leveraging modern patterns such as:Event-driven architecture

Microservices and distributed systems

Data-intensive and real-time processing frameworks

Establish architectural standards aligned with frameworks such as TOGAF, BizBOK, and DAMA-DMBOK.

R&D and Algorithmic InnovationDrive research and development (R&D) initiatives focused on estimation methodologies, including:Optimization algorithms

Simulation models

Predictive analytics and probabilistic modeling

Apply advanced mathematics, statistics, and physics principles to solve complex estimation challenges.

Evaluate and integrate emerging technologies and techniques into the estimator ecosystem.

Domain & Solution DesignArchitect and deliver large-scale rail transportation modernization solutions, ensuring domain alignment.

Design systems that solve multi-domain business problems spanning operations, planning, and financial estimation.

Provide thought leadership in enterprise information management and data architecture.

Technology LeadershipGuide engineering teams across a broad technology landscape, including:Legacy platforms (IBM Mainframe, TPF)

Modern stacks (Java, Spring Boot, cloud-native services)

Drive transition strategies from legacy to modern, event-driven ecosystems.

Collaboration & LeadershipAct as the technical authority and primary advisor for estimation systems across business and engineering stakeholders.

Collaborate with product, engineering, and business teams to translate complex requirements into scalable architectures.

Mentor engineers and architects in advanced modeling, system design, and architectural best practices.

Education & ExperienceBachelors degree in Computer Science, Engineering, Applied Mathematics, Physics, or related field.

Advanced degree preferred.

15+ years of IT experience, including 10+ years in architecture roles.

Demonstrated experience delivering enterprise-scale solutions in rail transportation.

Technical Expertise

Strong foundation in:Algorithms and data structures

Applied mathematics, statistics, or physics-based modeling

Proven experience designing complex estimation or modeling systems

Deep knowledge of:Event-driven architecture

Distributed systems and microservices

Enterprise data and information architecture

Frameworks & MethodologiesExperience with enterprise architecture frameworks (TOGAF preferred).

Working knowledge of BizBOK and DAMA-DMBOK.

5+ years of SAFe experience (or equivalent Agile at scale framework).

Professional SkillsExceptional problem-solving skills with ability to address highly complex, ambiguous challenges.

Excellent verbal and written communication skills.

Proven ability to influence senior stakeholders and lead cross-functional teams.

Lumen SolutionsGroup Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.