Senior Systems Engineer

Senior Systems Engineer - Cloud Migration & Architecture - Sign on Bonus Eligible!SITEC Consulting is seeking a Senior Systems Engineer to support cloud migration, software modernization, strategic product planning, and technical debt reduction efforts for a mission-focused customer environment. This role is ideal for a technical systems engineer with strong software development knowledge, cloud architecture exposure, and the ability to support both hands-on technical efforts and long-term strategic planning.The Senior Systems Engineer will support evaluating current applications, helping shape future-state solutions, contributing to cloud migration planning, and documenting technical strategies that support modernization and sustainment goals.This role is eligible for a sign on bonus for fully qualified candidates that are immediately available via security!Key ResponsibilitiesSupport the Technical Director in cloud migration planning, execution, and architecture-related initiatives.Contribute to the development of strategic product roadmaps, modernization plans, and technical transition strategies.Evaluate current software applications, system capabilities, and technical limitations.Support application redevelopment and modernization efforts based on current-state assessments and future mission needs.Identify, document, and help prioritize technical debt across software applications, systems, and supporting infrastructure.Provide systems engineering support for cloud-based architecture, application migration, and future-state design.Assist with documenting plans, strategies, technical recommendations, and implementation approaches.Work with technical teams, stakeholders, and leadership to align software modernization efforts with mission and customer objectives.Apply software development expertise to support architecture decisions, redevelopment planning, and technical feasibility assessments.Support continuous improvement efforts related to system performance, maintainability, scalability, and modernization.Required QualificationsSenior-level systems engineering experience supporting software-intensive systems, cloud migration, or modernization efforts.Strong software development background and understanding of application design, redevelopment, and sustainment.Experience supporting cloud migration, cloud architecture, or application modernization initiatives.Ability to evaluate existing applications and recommend future-state technical approaches.Experience supporting technical roadmap development, strategic planning, or modernization strategy.Strong documentation skills, including the ability to develop technical plans, strategy documents, and architecture-related materials.Ability to identify and communicate technical debt, risks, dependencies, and modernization priorities.Strong communication skills and ability to work with both technical teams and leadership stakeholders.Preferred QualificationsExperience supporting DoD, Intelligence Community, or mission-focused customer environments.Familiarity with Agile software development, DevSecOps, CI/CD pipelines, or cloud-native application concepts.Experience with AWS, Azure, or other cloud platforms.Background supporting application redevelopment, refactoring, re-platforming, or migration planning.Experience developing architecture artifacts, technical roadmaps, or system modernization documentation.Clearance RequirementAn existing TS/SCI clearance w/Poly is a requirement at the time of submission. We are not supporting CCA candidates, or sponsoring upgrades.Why Join SITEC?At SITEC Consulting, you will support high-impact technical initiatives that help modernize mission-critical systems and improve long-term system performance, scalability, and sustainment. We value technical expertise, clear communication, and professionals who can help bridge current capabilities with future mission needs.