What are the responsibilities and job description for the Cloud Security Architect position at Holistic Partners, Inc?
Position Title: Cloud Security Architect
Job location: Irvine, CA(Onsite)
Joining Mode: Full Time
Must Have Technical/Functional Skills
• Strong expertise in AWS cloud security architecture including IAM, KMS, GuardDuty, and CloudTrail.
• Deep understanding of AWS Landing Zone, SCPs, governance, and enterprise security guardrails.
• Experience with security for custom applications including vulnerability identification and remediation.
• Proficiency with VAPT tools such as Nessus, Qualys, Burp Suite, Fortify, and Check marx.
• Strong understanding of WAF, firewall management, IDS/IPS, and network segmentation.
• Knowledge of OS-level security for Windows Server 2016–2025 and RHEL 7/8/9.
• Familiarity with securing Java, .NET, TIBCO ESB, and integration-heavy workloads.
• Understanding of database security for Oracle 19c, Exadata on AWS, and SQL Server.
• Ability to apply Zero Trust, least privilege, encryption, and secure-by-design principles.
• Strong collaboration skills across infra, app, DB, network, and DevOps teams.
Roles & Responsibilities
• Lead cloud security architecture for the Data Center Exit migration to AWS EC2.
• Design and implement AWS Landing Zone security including IAM guardrails, SCPs, and logging.
• Conduct application and infra vulnerability assessments and define remediation plans.
• Implement WAF rules, firewall policies, secure segmentation, and endpoint protection.
• Validate authentication, authorization, and encryption models for all migrated workloads.
• Support secure deployment practices, code reviews, and remediation of development gaps.
• Integrate SIEM systems with AWS native security tools for continuous monitoring.
• Define and enforce cloud security baselines aligned with CIS, NIST, and ISO controls.
• Lead penetration testing cycles and coordinate mitigation activities.
• Produce security HLD/LLD, risk assessments, and operational security runbooks.
3. Cloud Experience Needed
• Hands-on experience designing secure AWS multi-account Landing Zones and guardrail policies.
• Strong understanding of EC2 security, IAM, encryption, and identity federation models.
• Integration knowledge for Oracle Exadata on AWS, SQL Server, and middleware security flows.
• Experience with AWS WAF, Shield, Guard Duty, Security Hub, and detective controls.
• Ability to design security for EKS workloads including pod/network policies and image scanning.
• Understanding of security in hybrid cloud migrations and AWS migration tooling.