Job Description
Own the security, protect the infrastructure, and take the lead on PKI in a hands-on role where your expertise makes a real impact every day.
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FT
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Hybrid
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90-95K
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SecOps,, XDR/MDR, Incident Response, Vulnerability Management, DigiCert, PKI, SSL/TLS, Windows Server, Active Directory, IT Infrastructure, Firewalls
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We're seeking a hands-on Infrastructure & Security Administrator to support and secure a business's IT environment. This role combines systems administration, infrastructure maintenance, and day-to-day security operations, with primary ownership of DigiCert and the SSL/TLS certificate lifecycle.
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Key Responsibilities
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- Infrastructure Administration: Maintain Windows Server, Active Directory, endpoints, patching, backups, and general systems operations.
- Security Operations: Monitor XDR/MDR alerts, assist with incident investigations, coordinate remediation, and support vulnerability management and security hardening.
- PKI & Certificate Management: Own DigiCert administration, manage SSL/TLS certificates and renewals, maintain certificate inventories, and troubleshoot certificate-related issues.
- Network Security: Support firewall policies, DNS, access controls, and network security in collaboration with IT teams.
- Monitoring & Documentation: Maintain system and security documentation, track certificate expirations, and identify opportunities to improve reliability and reduce risk.
- Client Support: Communicate technical issues, remediation steps, and recommendations clearly to internal stakeholders and clients as needed.
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Required Qualifications
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- Hands-on experience in IT infrastructure, systems administration, or a similar technical role.
- Working knowledge of security monitoring, incident response, vulnerability management, and remediation.
- Experience managing digital certificates, PKI, SSL/TLS, or a similar certificate management platform.
- Familiarity with Windows Server, Active Directory, DNS, firewalls, and network troubleshooting.
- Strong troubleshooting, documentation, and communication skills.
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Preferred Qualifications
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- Experience with DigiCert or another certificate authority platform.
- Familiarity with XDR/MDR tools, Fortinet firewalls, NinjaOne/RMM, and backup solutions.
- Experience working in an MSP or client-facing IT environment.
- CompTIA Security+, CySA+, Fortinet, or related certifications.
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