> Markdown version of [/jobs/ext/4510392-infrastructure-administrator-in-westfield](https://www.wearedevelopers.com/jobs/ext/4510392-infrastructure-administrator-in-westfield). 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 Administrator in Westfield - **Company:** Energy Jobline - **Location:** Westfield, NJ, United States - **Salary:** $90,000.0 - $95,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Backup Devices, Cyber Security, Domain Name System (DNS), Network Security, Network Troubleshooting, Windows Servers, Public Key Infrastructure, Software Vulnerability Management, SSL Certificate Management, Transport Layer Security, Software Troubleshooting, Firewalls (Computer Science), Information Technology, Firewall Services Module - **Published:** November 1, 2026 - **Apply:** https://www.energyjobline.com/job/infrastructure-administrator-westfield-32124676 ## About the Role * Hands-on experience in IT infrastructure, systems administration, or a similar technical role. \n * Working knowledge of security monitoring, incident response, vulnerability management, and remediation. \n * Experience managing digital certificates, PKI, SSL/TLS, or a similar certificate management platform. \n * Familiarity with Windows Server, Active Directory, DNS, firewalls, and network troubleshooting. \n * Strong troubleshooting, documentation, and communication skills. \n ## Description SecOps,, XDR/MDR, Incident Response, Vulnerability Management, DigiCert, PKI, SSL/TLS, Windows Server, Active Directory, IT Infrastructure, Firewalls, n \n * Infrastructure Administration: Maintain Windows Server, Active Directory, endpoints, patching, backups, and general systems operations. \n * Security Operations: Monitor XDR/MDR alerts, assist with incident investigations, coordinate remediation, and support vulnerability management and security hardening. \n * PKI & Certificate Management: Own DigiCert administration, manage SSL/TLS certificates and renewals, maintain certificate inventories, and troubleshoot certificate-related issues. \n * Network Security: Support firewall policies, DNS, access controls, and network security in collaboration with IT teams. \n * Monitoring & Documentation: Maintain system and security documentation, track certificate expirations, and identify opportunities to improve reliability and reduce risk. \n * Client Support: Communicate technical issues, remediation steps, and recommendations clearly to internal stakeholders and clients as needed. \n