Systems Engineer

Our client is a leading security technology firm specializing in secure computing platforms and advanced surveillance systems for critical infrastructure. The organization partners with industry leaders to deliver air-gapped, high-availability solutions that comply with stringent regulatory requirements, as well as supporting large corporations with tightly controlled technology infrastructures.

About the role

We are seeking a talented Systems Engineer with 4-6 years of hands-on experience designing, deploying, maintaining, and troubleshooting mission-critical IT infrastructure. The Systems Engineer will join the systems engineering team in Willowbrook, Illinois, reporting directly to the Systems Engineering & Information Technology Manager. This is a hands-on technical position focused on Windows and Linux server administration, virtualization, networking, cybersecurity, cloud technologies, automation, and enterprise IT infrastructure.

Responsibilities

• Design, implement, maintain, and support Proxmox-virtualized and bare-metal Windows and Linux server environments, ensuring high availability, reliability, and security.
• Design and implement air-gapped system and network environments.
• Maintain and expand the corporate IT environment, including Active Directory, Microsoft Entra, Azure, Intune, SentinelOne, and other enterprise-level solutions.
• Configure, maintain, and troubleshoot network infrastructure, including routers, switches, and firewalls from Ubiquiti, Cisco, Fortinet, and similar vendors.
• Develop and maintain automation scripts and tools using Bash, PowerShell, Ansible, and related technologies.
• Automate system provisioning, configuration management, and recurring administrative tasks.
• Collaborate with cross-functional teams to integrate virtualization technologies such as vSphere and Hyper-V.
• Support containerization technologies including Docker and cloud-based resources when applicable.
• Assist with cybersecurity assessments, vulnerability scanning, remediation, and security documentation.
• Document cybersecurity findings in accordance with NRC RG 5.71, NEI 08-09, and applicable industry best practices.
• Create and maintain technical documentation, runbooks, configuration documentation, and standard operating procedures.
• Configure and administer Active Directory, including Group Policy.
• Configure and support Azure SAML authentication integrations with third-party vendors.
• Configure, troubleshoot, and support a diverse range of IoT devices, including cameras, motion sensors, and industrial automation equipment.
• Support day-to-day IT and systems operations.
• Troubleshoot and resolve system, network, virtualization, and application issues promptly.
• Assist with maintaining secure, reliable, and highly available IT infrastructure.
• Travel up to approximately 20% as required.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred; equivalent hands-on and field experience will be considered.
• 4-6 years of professional experience in systems engineering.
• Strong experience with Windows and Linux server administration.
• 4-6 years of professional experience with virtualization and containerization technologies, including Proxmox.
• VCP or other relevant virtualization certifications are a plus.
• Strong understanding of networking, switching, and routing.
• Experience with Microsoft Entra (Azure AD), Office 365, and Active Directory.
• Experience with Active Directory Group Policy and enterprise authentication.
• Strong problem-solving and troubleshooting abilities.
• Excellent attention to detail.
• Superior written and verbal communication skills.
• Working knowledge of JIRA and Confluence is desired.

Desired Skills

• Solid understanding of cybersecurity principles and compliance frameworks, including NIST, NRC/NEI/DOE regulations, and role-based access controls.
• Experience with NetBox and Snipe-IT.
• Experience with SMB-level storage infrastructure, including SAN/NAS.
• Experience supporting secure or highly controlled technology environments.
• Ability to travel approximately 20%.
• Ability to lift up to 30 pounds.

Security & Employment Requirements

• U.S. Citizenship is mandatory. Non-U.S. Citizens cannot be considered.
• Must possess a compliant REAL ID.
• Must be willing and able to successfully complete a comprehensive background investigation and drug screening in accordance with applicable requirements, including 10 CFR 73.56.
• Must be able to work 100% on-site in Willowbrook, Illinois.
• No remote or hybrid work option is available for this position.

Pay

Competitive salary of $80,000-$125,000, based on experience. Bonus eligibility.

Benefits

• Health, dental, and vision benefits.
• 401(k) retirement plan.
• Paid time off and holidays.
• Professional development and certification opportunities.
• Career growth opportunities.