Lead System Engineer

Lead System Engineer Everforth CyberCoders - 3.9 Willowbrook, IL Job Details Full-time 1 day ago Benefits Health insurance Dental insurance 401(k) Paid time off Vision insurance Qualifications Network topology design Containerization systems QoS Endpoint Security Cloud identity and access management (IAM) Defect resolution root cause analysis Azure Networking Services Ansible Managing projects in an engineering role High availability solutions design Tooling Technical documentation 5 years Infrastructure as Code (IaC) Improving system uptime or availability CCNA Implementing cloud migration projects Network migration projects Hardware maintenance Vendor coordination System design Vulnerability Remediation Incident Escalation Router implementation Hyper-V Bash Server virtualization deployment VLAN Cisco routers/switches implementation Managing engineering teams Full Job Description Lead System Engineer Lead System Engineer Position Overview We deliver the world's most advanced security technology solutions across a broad range of competencies. We analyze, assess, develop, and integrate security solutions, whether the focus is on mobile tactical platforms, critical infrastructure, or hundreds of miles of an international border. Our mission is to design and implement highly technical solutions to make our nation safer. We are seeking an experienced Lead System Engineer to design, implement, and maintain reliable infrastructure solutions that support mission-critical services. The ideal candidate will lead platform and network initiatives, drive projects across virtualization and physical network environments, mentor junior engineers, and collaborate with security and operations teams to ensure high availability, performance, and secure configurations. Key Responsibilities Lead design, deployment, and maintenance of network infrastructure, including switches, routers, and LAN/WAN components to ensure high availability and performance. Architect, implement, and manage virtualization environments (Hyper-V and other hypervisors) and associated storage and backup integrations. Manage and optimize Cisco systems and configurations, including routing, switching, VLANs, and QoS. Troubleshoot complex network, server, and virtualization issues; perform root cause analysis and implement long-term fixes. Develop and maintain infrastructure as code, automation scripts, and runbooks using PowerShell, Bash, or configuration tools to streamline operations. Collaborate with security and cloud teams to implement secure network designs, access controls, and monitoring for vulnerabilities and incidents. Lead migration and upgrade projects, including hardware refreshes, virtualization platform upgrades, and cloud/adoption initiatives. Provide technical leadership and mentorship to system and network engineers, set standards and best practices, and review designs and changes. Coordinate with vendors and manage support escalations for network, virtualization, and security appliances. Monitor system and network health; configure and tune monitoring, logging, and alerting to meet SLA and reliability targets. Qualifications 5+ years of hands-on experience in system and network engineering, with a strong emphasis on network infrastructure and virtualization. Proven experience with Cisco networking (routing, switching, VLANs, ACLs) and enterprise switch and router platforms. Hands-on experience with Hyper-V virtualization and managing virtualized workloads; familiarity with vSphere and Docker is a plus. Strong troubleshooting skills for switches, routers, firewalls, and virtual environments. Proficiency with network protocols and technologies (TCP/IP, BGP, OSPF, VLANs, VPNs) and experience configuring enterprise network devices. Experience automating tasks and writing scripts using PowerShell and/or Bash; knowledge of Ansible is beneficial. Solid understanding of authentication, Active Directory, and identity management; familiarity with Entra and Intune is a plus. Experience working with firewall platforms (FortiGate, Ubiquiti, Netgear) and endpoint protection such as SentinelOne is desirable. Familiarity with Azure cloud services and hybrid architectures; experience with cloud networking and security controls is a plus. Knowledge of cybersecurity best practices, vulnerability management, and incident response processes. CCNA certification or equivalent network engineering certification preferred. Strong communication, documentation, and leadership skills, with experience mentoring junior engineers and driving cross-team initiatives. Benefits Health, Dental, and Vision Insurance 401K PTO For this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa. This job was first posted by CyberCoders on 06/10/2026 and applications will be accepted on an ongoing basis until the position is filled or closed. Everforth CyberCoders is proud to be an Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications, and a virtual recruiter as part of the application process. A human recruiter reviews all results. Click here for details on our virtual recruiter . Everforth CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Everforth CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at to make arrangements.