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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Security Administrator - **Company:** PMAT Inc. - **Location:** San Diego, CA, United States - **Experience:** Starter - **Salary:** $70,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Amazon Elastic Compute Cloud, Microsoft Azure, Cloud Computing, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Multi-Factor Authentication, VMware ESX Servers, Identity and Access Management, Issue Tracking Systems, IT Management, Information Technology Operations, Virtual Private Networks (VPN), Microsoft Security Essentials, Microsoft Office, Networking Basics, Windows PowerShell, Azure Active Directory, Anti-Phishing, TCP/IP, Virtual Machines, Software Vulnerability Management, Data Logging, ServiceNow IT Service Management, Cloud Monitoring, Firewalls (Computer Science), Microsoft InTune, Azure Security Center, Information Technology, Vcenter, Microsoft Sentinel, Security Orchestration, Automation & Response - **Published:** October 31, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=29d2f913f87de8df ## About the Role * 1-3 years of experience in IT support, cybersecurity operations, systems administration, or a related technical role. * Hands-on experience with Microsoft Defender for Endpoint, Microsoft Sentinel, Microsoft Intune, or Microsoft Defender for Office 365. * Experience supporting Microsoft Azure, including basic administration, identity management, access controls, and troubleshooting. * Experience with VMware ESXi/vCenter, including virtual machine management, monitoring, and basic troubleshooting. * Working knowledge of Microsoft 365, Microsoft Entra ID, Active Directory, and Windows administration. * Understanding of endpoint security, vulnerability management, patching, security monitoring, and incident response fundamentals. * Experience troubleshooting technical issues and maintaining accurate technical documentation. * Strong organizational skills and the ability to independently manage assigned tasks. Preferred Skills and Experience: * Knowledge of networking fundamentals, including TCP/IP, DNS, DHCP, VPNs, and firewalls. * Experience with Tenable or similar vulnerability management and remediation platforms. * Exposure to CMMC, NIST SP 800-171, security audits, or regulated IT environments. * Experience investigating phishing attempts, security incidents, and suspicious activity. * Familiarity with AWS services, IAM, EC2, and cloud monitoring. * Experience with PowerShell scripting, security automation, and remediation workflows. * Experience with centralized logging, security event analysis, and incident tracking. * CompTIA Security+, Network+, Microsoft security certifications, or equivalent technical knowledge. * Experience supporting Microsoft 365 GCC High or environments handling Controlled Unclassified Information (CUI). * Experience with IT ticketing and remote support platforms such as ConnectWise. Education and Certification Requirements: * Associate degree or higher in Information Technology, Computer Science, Cybersecurity, or a related field. * Current certification meeting DoD IAT Level II requirements, at minimum, or the ability to obtain it within six months of hire. * Completion of at least one AWS or Microsoft Azure training course, or the ability to complete one within six months of hire. Citizenship and Clearance requirements: * US Citizenship required * No dual citizenship * No Clearance Required ## Description About the role: As an IT Security Administrator, you'll support PMAT's day-to-day cybersecurity operations with a focus on security monitoring, vulnerability remediation, endpoint protection, CMMC compliance, and technical documentation. You'll work primarily with Microsoft Defender, Intune, Entra ID, and Microsoft 365 GCC High to investigate security alerts, address vulnerabilities, maintain endpoint compliance, and support audit readiness. You'll also assist with escalated IT support and security-related tasks across Microsoft Azure, VMware ESXi/vCenter, and limited AWS environments. Working closely with IT leadership, you'll help implement security improvements, maintain accurate documentation, and track remediation activities through completion., * Security Operations & Monitoring: Monitor and investigate security alerts, phishing attempts, and suspicious activity using Microsoft Defender, Sentinel, and other security platforms. Perform initial incident triage, document findings, and coordinate incident response and remediation efforts. * Vulnerability Management & Remediation: Identify, prioritize, and remediate security vulnerabilities using Tenable, Microsoft Defender, and other tools. Manage security updates, address configuration weaknesses, and track findings through resolution. * Endpoint Security & Access Management: Support Microsoft Intune, Entra ID, and Microsoft 365 GCC High security operations, including device compliance, endpoint protection, access reviews, MFA, Conditional Access, and security policy enforcement. * CMMC Compliance & Audit Support: Assist with CMMC and NIST SP 800-171 compliance activities, including security assessments, audit evidence collection, control validation, remediation tracking, and maintaining audit readiness. * Security Documentation & Reporting: Develop and maintain security procedures, SOPs, incident records, vulnerability reports, system inventories, and compliance documentation to support consistent and auditable IT operations. * IT Support & Security Improvements: Provide technical support and troubleshooting across cloud and on-premises environments, including Microsoft Azure, VMware ESXi/vCenter, and limited AWS resources. Assist with security automation, system hardening, and continuous improvement initiatives.