Marathon TS · 1 day ago
Senior System Engineer
Belleville, IL
Full-time
Onsite
Senior Level, Lead/Staff
9+ years expMarathon TS is looking for a Systems Engineer IV that provides senior-level systems engineering leadership in support of DoD. This role ensures capabilities are engineered, secured, accredited, and governed in alignment with DoD requirements. The Systems Engineer IV integrates technical rigor, cybersecurity compliance, and Agile governance to support reliable, mission-ready outcomes.
Information ServicesProfessional NetworkingProfessional ServicesTechnical Support
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform systems engineering analysis for complex DoD information systems, including evaluation, verification, and validation of existing and emerging solutions
Develop, review, and maintain system architectures and engineering artifacts using DoDAF or other government-approved frameworks
Conduct technical reviews of contractor deliverables and provide recommendations to improve system performance, reliability, and security
Identify technical risks across the system lifecycle and develop practical mitigation strategies
Participate in engineering milestone reviews, including SRR, PDR, CDR, TRR, and ORR
Support RMF and system authorization activities, including development, review, and sustainment of accreditation documentation
Provide recommendations on cybersecurity best practices to support authorization, audits, assessments, and long-term sustainment
Coordinate with security engineers, developers, DISA, and government stakeholders to resolve security and compliance issues
Review and support Agile requirements, ensuring traceability and alignment with system architecture and security constraints
Facilitate or support Agile governance forums, including Change Control Boards (CCBs), ST/ARTs, Requirements Review Boards (RRBs), and Technical Interchange Meetings (TIMs)
Provide analytical and administrative support to requirements, engineering, and technical review boards
Qualification
Required
Bachelor's degree (or equivalent) in Systems Engineering, Computer Science, Engineering, or a related discipline
Active SECRET clearance
Minimum of nine (9) years of relevant systems engineering experience supporting complex IT or DoD systems
Systems engineering and architecture development
RMF, cybersecurity accreditation, and compliance activities
Agile environments and requirements management
Technical reviews and engineering governance forums
Strong written and verbal communication skills, including experience briefing senior government stakeholders
Ability to work independently and lead technical discussions across multidisciplinary teams
Experience working across technical, functional, financial, and administrative teams
Ability to translate complex technical concepts for non-technical stakeholders
Preferred
Experience supporting or implementing ERP solutions delivered via a SaaS model in a DoD or Federal environment
Knowledge of ERP-driven business process reengineering and configuration-based solution design
Experience with system integration, data migration, and master data management in ERP environments
Familiarity with RMF, cloud security, and FedRAMP considerations for SaaS solutions
Experience supporting Agile or SAFe governance for COTS/SaaS implementations
Experience supporting USTRANSCOM, Combatant Command, or other DoD PMO environments
In-depth knowledge of DevSecOps, cloud technologies, and secure system design
Experience supporting Agile Release Trains (ARTs) or SAFe-based environments
Familiarity with system testing, audits, and sustainment activities
DoD 8140 work role certification: Security+
Company
Marathon TS
Marathon TS provides a full range of consulting & manpower services for clients that needs support from skilled and experienced individuals.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Kevin Davis
Chief Growth Officer
Company data provided by crunchbase