Senior IT Systems Engineer

We are currently seeking a Senior IT Systems Engineer to support a federal client in Washington, DC. This role focuses on designing, implementing, and maintaining secure hybrid infrastructure environments, integrating cloud and on-premises systems while ensuring compliance with federal security standards. The ideal candidate is a hands-on engineer-not a help desk technician-with strong experience in systems engineering, security integration, and federal compliance frameworks. Key Responsibilities

• Design, implement, and manage hybrid IT infrastructure spanning on-premises and cloud environments
• Administer and optimize Microsoft Azure, Microsoft 365, and identity platforms including Entra ID and Active Directory
• Engineer, maintain, and secure virtualized environments using VMware technologies
• Integrate and manage network and security solutions leveraging Cisco technologies
• Implement system hardening and security controls in alignment with STIGs and federal requirements
• Perform patch management, vulnerability remediation, and system updates across enterprise environments
• Ensure systems comply with FISMA and other federal cybersecurity standards
• Collaborate with cybersecurity teams to integrate security into system architecture and operations
• Troubleshoot complex infrastructure and performance issues across hybrid environments
• Develop and maintain system documentation, architecture diagrams, and standard operating procedures

• A bachelor’s degree in computer science or a closely related field is preferred; A high school diploma or equivalent is required.
• Six plus (6+) years of experience in IT systems engineering within a federal environment (not help desk or desktop support role)
• Microsoft Azure certifications (e.g., AZ-104, AZ-305, or equivalent)
• VMware certifications (e.g., VCP or equivalent)
• Proven experience managing hybrid environments (cloud + on-premises infrastructure)
• Hands-on expertise with:
• Microsoft Azure and Microsoft 365
• Identity management (Entra ID / Azure AD and Active Directory)
• VMware virtualization platforms
• Cisco networking and infrastructure technologies
• Experience with patching, system hardening, and applying STIGs
• Strong understanding of FISMA compliance and federal IT security requirements
• Ability to design, implement, and maintain secure, scalable systems
• Strong troubleshooting, analytical, and documentation skills
• An active Public Trust or had one in a recent position
• Requires US Citizenship, * Experience supporting federal agencies or government contracting environments
• Familiarity with automation or scripting (PowerShell, Python)
• Experience with backup, disaster recovery, and continuity planning
• Exposure to cloud security and zero-trust architecture principles

Otoe Missouria Group (OMG) is a tribally owned business dedicated to delivering high-quality solutions across a range of industries. Our company supports federal, commercial, and tribal clients with expert program management, project oversight, and numerous other services., OMG Federal is proactively identifying talented professionals who embody our core values and commitment to service. This position is not currently funded but is expected as part of upcoming program requirements. Candidates will be notified as funding and hiring timelines are confirmed. We encourage any applicants who are interested in applying., OMG Federal partners with government agencies to deliver mission-focused solutions across cybersecurity, IT modernization, and operational support. Our team operates at the intersection of innovation and national security, providing professionals the opportunity to work on impactful programs in a collaborative and growth-oriented environment.