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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT System Security Engineer - **Company:** Acra Lending - **Location:** Irvine, CA, United States - **Experience:** Expert - **Salary:** $110,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Antivirus, Software System Penetration Testing, Systems Engineering, Microsoft Azure, Microsoft Online Services, Cloud Computing Security, Cyber Security, HP Systems Insight Manager, Identity and Access Management, Intrusion Detection and Prevention, Intrusion Detection Systems, Python (Programming Language), Network Security, Microsoft Security Essentials, Microsoft Office, Network Monitoring, PCI Data Security Standards, Windows PowerShell, Azure Active Directory, Security Information and Event Management, Okta, Software Security, QRadar, Microsoft InTune, Azure Security Center, Infrastructure Automation Frameworks, Information Technology, Cybercrime, Microsoft Sentinel, Firewall Services Module, Splunk, Devsecops - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=438250665473a224 ## About the Role We are looking for candidates to join our team who are passionate about their vocation. Who are committed to making a contribution and are looking to gain experience in order to grow in their career. Our headquarters are located on a beautiful campus in Irvine, California and if you work out of our Irvine office we can also provide a free gym membership., To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. * Hands-on experience with Microsoft Security solutions, including Microsoft Defender, Sentinel, and Entra ID Protection. * Expertise in SIEM technologies (e.g., Microsoft Sentinel, Splunk, QRadar, or similar). * Strong understanding of security monitoring, application monitoring, and network monitoring methodologies. * Proficiency in Windows Server, Active Directory, and Azure security principles. * Knowledge of firewall configurations, intrusion detection/prevention systems (IDS/IPS), endpoint detection & response (EDR), and network security. * Certifications such as Microsoft Certified: Security Operations Analyst, CISSP, CISM, CEH, or GIAC. * Knowledge of Infrastructure security implementation and monitoring, DevSecOps principles, and cloud-native security tools. * Familiarity with log aggregation, anomaly detection, and behavioral analytics. Education and/or Experience * 7+ years of experience in systems engineering with a focus on security. * Experience in threat hunting, security incident investigation, and forensic analysis * Experience working in environments compliant with HIPAA, GDPR, PCI-DSS, or SOX. * Experience and knowledge of deploying, configuration and management of Microsoft Cloud and Security Stack. Including but not limited to: Azure AD,Entra, Defender, Intune, Sentinel / Threat Protection, Email & Data Protection, Compliance and Governance and Network - Application Security ## Description We are seeking an experienced Systems Security Engineer with a strong background in enterprise security engineering and cloud security architecture. The ideal candidate will have hands-on experience implementing and managing security technologies across modern infrastructure, including Microsoft 365 security platforms, identity and access management solutions, endpoint security, and network security controls. Experience working with tools such as Microsoft Defender, Microsoft Intune, Okta, SIEM platforms, and enterprise firewalls is highly desirable. This role requires a deep understanding of security monitoring, threat detection, and security best practices across cloud and hybrid environments. The Systems Security Engineer will play a key role in designing, implementing, and maintaining secure systems and infrastructure to protect organizational assets and maintain a strong cybersecurity posture., * Design, deploy, and maintain security monitoring solutions across enterprise environments. * Implement and optimize Microsoft Security tools, including but not limited to Microsoft Defender for Endpoint, Defender for Office 365, Sentinel, Microsoft Purview, and Entra ID Protection. * Manage and enhance SIEM platforms to detect, analyze, and respond to security threats effectively. * Monitor and analyze system and network activity for security incidents, vulnerabilities, and performance issues. * Develop and refine incident response processes, ensuring swift detection and mitigation of security events. * Collaborate with IT and security teams to harden system configurations, enforce security policies, and improve overall security posture. * Conduct security assessments, penetration tests, and risk analyses to identify and mitigate security gaps. * Automate security workflows and incident response procedures using scripting and automation tools (e.g., PowerShell, Python, or Azure Logic Apps). ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Events like RSAC Get You CISOs. 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