> Markdown version of [/jobs/ext/3966924-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/3966924-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Engineer - **Company:** TEKSYSTEMS INC. - **Location:** Monterey Park, CA, United States - **Experience:** Expert - **Salary:** $166,400.0 - $197,600.0 - **Contract:** Contract - **Skills:** Microsoft Windows, Access Control List, Active Directory, Cloud Engineering, Cyber Security, Information Systems, Dynamic Host Configuration Protocol, Domain Name System (DNS), Hardware Virtualization, Hyper-V, Internet Protocol Security (IP SEC), Internet Security, Virtual Private Networks (VPN), Simple Mail Transfer Protocols, Microsoft Office, Microsoft Software, Windows Servers, Network Architecture, Routing, Network Administration, Windows PowerShell, Azure Active Directory, Security Software, Microsoft SharePoint, VMware Infrastructure, Virtualization Technology, Software Vulnerability Management, Backup and Restore, Wireless Networks, Computer Networking Systems, Transport Layer Security, File Transfer Protocol (FTP), System Availability, Firewalls (Computer Science), Falcon Platform, Information Technology, Network Support, Nessus, Splunk, Vulnerability Analysis, Vmware - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/infrastructure-engineer-monterey-park-ca--190a4ede-170a-481a-9067-752ec074ec1f ## About the Role Automation, Internet Security, Network Administration/Management, Microsoft Product Family, Hardware Virtualization, Information Technology & Information Systems, Technical Support, Systems Administration/Management, Computer Science, Microsoft Windows Server, * Minimum 7 years of Systems Administration and Network Administration experience., * Bachelor's Degree in Computer Science, Information Technology, or a related field, * Four additional years of relevant experience may be substituted for the degree requirement., * Windows Server Administration * Active Directory (AD) * Microsoft Entra ID (Azure AD) * Microsoft 365 / Office 365 * SharePoint Administration and Support * Microsoft Teams Administration, * VMware * Hyper-V * Cloud Architecture * Virtual Infrastructure Management, * CrowdStrike or similar Endpoint Security Platforms * Nessus * Splunk * VPN Security * Access Control Lists (ACLs) * IPSec * SSL * Vulnerability Management * Security Remediation * Cybersecurity Best Practices, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. ## Description We are seeking a Senior Infrastructure Engineer with strong experience supporting enterprise-level Microsoft environments, networking infrastructure, virtualization platforms, cybersecurity tools, and automation solutions. The ideal candidate will have hands-on experience managing and supporting complex IT environments, ensuring system availability, security, performance, and scalability., * DNS * DHCP * SMTP * HTTP / HTTPS * SFTP Network Infrastructure * Cisco Meraki * VPN Appliances * Wireless Networks * Firewalls * Routing and Switching, Infrastructure Administration * Manage and maintain Windows Server environments. * Administer Active Directory, Entra ID, Microsoft 365, Teams, and SharePoint. * Support physical, virtual, and cloud-connected infrastructure. Virtualization Management * Manage VMware and Hyper-V environments. * Monitor virtualization performance and availability. Networking Support * Configure and support Cisco Meraki infrastructure. * Maintain firewalls, VPN connectivity, switches, and wireless networks. * Troubleshoot DNS, DHCP, routing, switching, and connectivity issues. Security Operations * Administer CrowdStrike, Nessus, Splunk, and related security tools. * Support vulnerability assessments and remediation efforts. * Monitor infrastructure security and compliance. Backup & Disaster Recovery * Manage enterprise backup and recovery processes using Rubrik. Automation & Documentation * Develop PowerShell scripts and automation solutions. * Create SOPs, technical documentation, and knowledge base articles. * Perform root cause analysis and recommend infrastructure improvements. Support * Provide Tier III support for escalated infrastructure, networking, and security issues.