This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
The IT Systems Engineer is responsible for the planning, design, integration, and sustainment of complex IT systems supporting Department of Defense mission requirements. This includes developing architectures, implementation strategies, and cost estimates to enable new capabilities and infrastructure modernization. The engineer ensures secure, reliable, and scalable system operations through disciplined configuration management, lifecycle sustainment, cybersecurity compliance, and performance optimization.
Job Responsibility:
Design, integrate, and sustain IT systems, services, and infrastructure aligned to mission, operational, and security requirements
Develop architecture diagrams, implementation strategies, and configuration standards for enterprise and mission systems
Integrate hardware, software, virtualization, and network components into cohesive and compliant system solutions
Develop detailed implementation plans, including Work Breakdown Structures (WBS), milestones, and schedules
Produce and maintain system engineering documentation, including CONOPS, configuration guides, SOPs, and technical baselines
Support generation of risk assessments, fallback procedures, and deployment/sustainment checklists
Research hardware, software, and cloud service components based on functional requirements, interoperability, and lifecycle compatibility
Generate cost estimates and Bills of Material (BOMs) to support planning, procurement, and budgeting
Coordinate with acquisition or supply chain personnel to source equipment, verify lead times, and conduct technical evaluations
Implement system hardening and security baselines in accordance with applicable STIGs and DoD security frameworks
Support RMF authorization efforts by providing technical artifacts (system diagrams, data flows, PPSM documentation, etc.) for security control responses
Coordinate with ISSOs and cybersecurity teams to ensure systems achieve and maintain compliance and audit readiness
Maintain system health through software updates, patching, backups, COOP validation, and configuration management
Monitor performance, availability, and security posture of assigned systems using analytic and monitoring tools
Troubleshoot and resolve complex issues across operating systems, networks, and applications
Deploy, configure, and maintain physical, virtual, and cloud-hosted servers
Configure network services such as DNS, DHCP, Active Directory, and file/print services
Collaborate with network and security teams to ensure connectivity, access control, and appropriate routing across classified and unclassified enclaves
Evaluate the impact of system changes on operations, security, and performance
Translate user and mission needs into technical requirements and capability improvements
Participate in integrated planning teams for new deployments, upgrades, or cross-domain solutions
Analyze system logs, performance metrics, and usage trends to optimize resource allocation and resolve bottlenecks
Recommend system upgrades or modifications to meet emerging mission requirements and technology refresh goals
Provide Tier III/engineering-level support to technicians and administrators
Serve as a technical advisor to leadership, supporting architecture reviews, decision briefings, and risk assessments
Train and mentor junior personnel in system management, troubleshooting, and documentation standards
Requirements:
TS/SCI Security Clearance
Minimum of 7 years of progressive experience in planning, designing, and implementing enterprise-scale systems, including full lifecycle project engineering, integration, and cross-functional team leadership
Master’s degree in Computer Science, Information Systems, Cybersecurity, Computer Engineering, or a related IT discipline
or equivalent combination of accredited education and experience