Company Description
Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a 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 Enterprise Transformation.

Job Role: Senior Systems Architect
Job Location: Washington, DC (Remote - Quarterly travel required for 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 Leadership

Lead 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 Innovation

Drive 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 Design

Architect 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 Leadership

Guide 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 & Leadership

Act 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 & Experience

Bachelor’s 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 & Methodologies

Experience 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 Skills

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

Senior Systems Architect

Quick Overview

Job Description

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