Senior Systems Engineer (IT Infrastructure)

Avint is seeking a highly skilled Senior Systems Engineer to support a mission-critical program within the National Capital Region. This role focuses on the design, implementation, operations, maintenance, and cybersecurity of complex, large-scale IT infrastructure supporting secure environments.

As part of a high-performing engineering team, you will contribute to building and sustaining resilient, secure, and scalable systems that meet stringent government requirements. This position requires deep technical expertise, strong problem-solving abilities, and experience working in highly secure, classified environments.

- Design and develop architectural frameworks for complex IT systems and infrastructure - Provide technical leadership across requirements development, engineering, integration, and testing - Support automation and optimization of engineering processes - Conduct system assessments including upgrades, migrations, and new deployments - Develop conceptual designs and implementation plans, including work breakdown structures (WBS) - Perform research, prototyping, and integration of emerging technologies - Develop and maintain system architecture, design documentation, and test plans - Support configuration management and lifecycle sustainment activities - Interface with government stakeholders on technical issues and system improvements - Conduct system testing and validation against defined

requirements - Participate in interface design and system integration across multiple teams

- Bachelor's Degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Science, or related engineering discipline - 5+ years of progressive systems engineering experience - Master's Degree preferred

- Experience delivering IT infrastructure and integrated system solutions in secure environments - Strong background in data center and virtualized infrastructure technologies - Experience with:

- VMware ESXi and vSphere - Microsoft Windows Server and Windows environments - Active Directory and Group Policy - DNS, DFS, DHCP - WSUS and KMS - Public Key Infrastructure (PKI) and Certificate Authorities

- Experience with scripting and automation (PowerShell, Python, Bash, JSON, etc.) - Familiarity with API management - Experience implementing highly secure systems aligned with cybersecurity and information assurance

requirements - Meet DoD 8570 IAT Level II certification requirements

- Strong communication skills with ability to engage technical and non-technical stakeholders - Experience working in multidisciplinary teams - Strong organizational and time management abilities - Proficiency in Microsoft Office tools (Excel, Word, PowerPoint, Visio)

- Experience with enterprise application virtualization (e.g., Active Directory, SQL Server, SharePoint) - Familiarity with SCCM and OS deployment - Experience with enterprise storage solutions (NetApp, Dell EMC, Pure Storage, etc.) - Knowledge of DoD security standards (DISA STIGs/SRGs) - Experience with networking, SQL infrastructure, and software-defined environments - Relevant vendor certifications (VMware, Cisco, Microsoft, etc.)

- Active Top Secret/SCI with Polygraph required - U.S. Citizenship required