Sr. Systems Engineer with Security Clearance

Senior Systems Engineer | Enterprise Architecture & Systems Integration | Active TS/SCI with CI Poly Required Are you an experienced Systems Engineer with a strong background in enterprise architecture, requirements management, and systems integration who thrives in cloud-based mission environments? We are looking for a technically grounded, collaborative professional ready to play a pivotal role in the design, integration, and lifecycle engineering of complex systems in direct support of a high-profile government program. WHAT YOU'LL DO As a Senior Systems Engineer, you will serve as a key contributor across the full systems engineering lifecycle — from developing and managing system requirements and technical documentation, to conducting integration and verification activities, to supporting architecture reviews and design discussions that shape mission-critical solutions. You will work at the crossroads of engineering and operations, collaborating closely with development and operations teams to ensure seamless delivery in a dynamic, cloud-based environment. This is a role for a detail-oriented, systems-minded engineer who communicates clearly, thinks architecturally, and takes pride in delivering well-integrated, mission-ready solutions. WHAT WE'RE LOOKING FOR Required Qualifications:
Clearance: Active Top Secret/SCI clearance with Full Scope Polygraph (FS Poly) required
Education: Bachelor's Degree in a STEM discipline (Computer Science, Systems Engineering, Information Technology, or a related field)
Experience: Demonstrated senior-level experience in systems engineering within complex enterprise or government environments Required Technical Skills:
Systems Engineering: Proven ability to apply systems engineering principles across the full program lifecycle, from concept through integration and verification
Requirements Management: Experience developing, managing, and maintaining requirements traceability across complex, multi-stakeholder programs
System Integration: Hands-on experience conducting system integration and verification activities in large-scale enterprise or cloud-based environments
Agile Methodologies: Familiarity with Agile development frameworks and the ability to operate effectively in sprint-based, iterative delivery environments
Technical Documentation: Ability to develop clear, comprehensive technical documentation including system requirements, design artifacts, and verification evidence
Cross-Functional Collaboration: Strong ability to work effectively alongside development and operations teams, contributing to architecture reviews and design discussions with clarity and technical credibility NICE TO HAVE Preferred Qualifications:
IBM Engineering Lifecycle Management (ELM): Experience using IBM ELM for requirements management, traceability, and lifecycle engineering workflows
DoDAF: Familiarity with the Department of Defense Architecture Framework (DoDAF) for developing and presenting architecture viewpoints
Model-Based Systems Engineering (MBSE): Experience applying MBSE principles and toolsets to support architecture development and requirements analysis
Cloud Architecture: Knowledge of cloud architecture concepts and experience supporting engineering activities in cloud-based mission environments
DoD 8140 Certification: Active DoD 8140 compliant certification such as CompTIA Security+ or equivalent is highly desirable
PO#019 i270 Solutions Group LLC., is an Equal Opportunity/Affirmative Action employer and all qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran or disability status, or any other characteristic protected by law.