System Engineer

Overview Job Title: Systems & Security Engineer Duration: Direct hire Our client is hiring a Systems & Security Engineer to help support and secure their critical infrastructure including networking, virtualization, cybersecurity, systems administration, and hands-on escalation support. The ideal candidate is technically sharp, operationally reliable, and security-minded professional who enjoys variety, thrives under responsibility, and sees mentorship and collaboration as part of the job. Responsibilities Oversee and support the Hyper-V datacenter environment, including ERP-connected SQL workloads, backup solutions, NetApp storage, and physical host systems. Configure and manage networking infrastructure such as Layer 2 switches, VLANs, trunking, cabling, and edge devices (Cisco, Meraki, UniFi). Administer and monitor firewalls, site-to-site VPNs, routers, and user access technologies to ensure reliable connectivity and security. Drive security operations by managing vulnerability scans, patching, system hardening, endpoint protection, and perimeter defense monitoring. Investigate, respond to, and remediate security alerts or user-reported incidents, including after-hours resolution when necessary. Maintain and enforce identity and access management policies across Office 365 tenants, Active Directory, and collaboration platforms. Serve as an escalation point for the Helpdesk team, providing coverage during high demand or staff absences. Develop, document, and uphold standard operating procedures and technical guidelines for systems and security operations. Assess, test, and deploy new tools, third-party services, and infrastructure enhancements in partnership with the IT team. Collaborate with all internal stakeholders — from staff to executives — to resolve technical issues and gather requirements. Mentor Helpdesk and junior IT staff, fostering a collaborative and solutions-oriented culture within the team. Participate in the on-call rotation, providing backup coverage and addressing urgent security or infrastructure issues as required. Required Skills & Qualifications 3–5 years of experience across systems, security, and networking functions Hyper-V environments, server/storage management, and backup solutions Cisco-based Layer 2 networking (VLANs, trunking, switch configs, cabling) Firewalls, VPNs, conditional access, MFA, and endpoint protection Microsoft 365 administration and multi-tenant support A strong record of independent troubleshooting and responsible change management Professionalism and communication skills suited to C-level and frontline staff alike A team-first, initiative-driven work style — able to execute without micromanagement Preferred Skills & Qualifications PowerShell scripting or automation experience Exposure to user security training or awareness programs Familiarity with CIS/NIST-aligned best practices and hardening standards Previous experience in smaller teams with wide access across the tech stack Seniority level Associate Employment type Full-time Job function Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr