Security Engineer I

lennar; Irving (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Lennar is seeking a Systems Engineer I - Security to strengthen and operate the organization’s IAM, IGA, and PAM controls across on-prem, hybrid, and cloud environments.

The role emphasizes least privilege, robust authentication, and alignment with security and regulatory requirements. Collaboration with Security, IT, and DevOps teams is essential.

Qualifications

• Bachelor's degree in CS, Cybersecurity, Engineering, or related field.
• 2+ years hands-on cybersecurity with IAM.
• Experience with SSO, MFA, SAML, OIDC, and identity governance.
• Experience with SailPoint, Delinea, CyberArk, Entra ID.

Responsibilities

• Support enterprise IAM delivering SSO, MFA, and IAM governance.
• Monitor identity and privileged access activities and respond to incidents.
• Aid audit, compliance, and certification efforts for IAM/IGA/PAM.
• Troubleshoot IAM issues and drive modernization of identity platforms.
• Collaborate with security, DevOps, and IT teams to apply Zero Trust.

Skills

IAM

SailPoint

Delinea

CyberArk

Entra ID

SSO

MFA

SAML

OIDC

RBAC

Zero Trust

Education

Bachelor's degree in CS or related field

Tools

Microsoft Entra ID

Active Directory

SailPoint connectors

Job description

We are Lennar

Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career. Lennar has been recognized as a Fortune 500® company and consistently ranked among the top homebuilders in the United States.

Join a Company that Empowers you to Build your Future

The Systems Engineer I - Security is a mid-level position responsible for enhancing and maintaining the security of the organization's information technology infrastructure. The Systems Engineer I - Security role is responsible for designing, implementing, and operating enterprise identity and access controls across IAM, IGA, and PAM platforms to ensure the right users and workloads have the right access at the right time. This role reduces identity-related risk by enforcing least privilege, strengthening authentication, and governing privileged access in alignment with security and regulatory requirements.

Your Responsibilities on the Team

Systems Security:

• Support enterprise IAM solutions that collectively deliver single sign-on (SSO), multifactor authentication (MFA), identity governance and administration, and privileged access management for all types of identities, including on-premises, hybrid, cloud-only, non-human (service accounts), and application-based credentials (API keys, tokens).
• Monitor identity and privileged access activities, analyze logs and alerts, and support incident response and forensic investigations related to compromised identities or misuse of privilege.
• Support audit, compliance, and certification efforts by providing evidence, improving control design, and remediating findings related to IAM, IGA, and PAM.
• Troubleshoot complex IAM issues, perform root cause analysis, and drive continuous improvement and modernization of identity platforms.
• Collaborate with security architecture, infrastructure, application, and DevOps teams to embed identity security and Zero Trust principles in new solutions and strategic programs.
• Document architectures, standards, runbooks, and knowledge articles, and provide guidance and training to operations and application teams on identity security best practices
• Participate in Proof of Concepts and product evaluations of new and emerging Identity security services and technologies.
• May provide mentorship and support to various junior security engineers and security operations team members.

Requirements

• Education: Bachelor's degree required in Computer Science, Cybersecurity, Engineering, or related field.
• Experience:

• 2-3 years of hands‑on cybersecurity engineering experience with exposure to IAM.
• 2+ years of relevant work experience in security engineering, with a focus on concepts and technologies in Identity & Access Management (IAM) like SailPoint, Delinea, CyberArk, Entra ID, Ping Identities
• 2+ years of relevant work experience with Identity and Access Management solutions, including the implementation and configuration of solutions for Single Sign-On (SSO), Multifactor Authentication (MFA), and various identity integration protocols (SAML, OIDC).
• Experience building and maintaining SailPoint connectors, aggregation and provisioning jobs, roles/entitlements, and workflows for HR-driven JML processes.
• Experience administering Microsoft Entra ID, including users, groups, roles, app registrations, and enterprise applications.
• Working knowledge of solutions for Identity Governance and Administration, Privileged Access Management, and access control models such as RBAC, ABAC, PBAC, and FGAC

Additional Skills, Knowledge, and Experience:

• Working knowledge of cloud-based Identity Providers, access controls, and hybrid federated IAM architectures.
• Strong knowledge and experience with Microsoft Entra and Microsoft Active Directory (AD) Domain Services, management of AD users and security groups, and security best practices for configuring AD infrastructure, policies, group policy objects.
• Experience with implementing access control mechanisms, such as authentication policies, identity lifecycle management (provisioning, deprovisioning), and methods for authorization management.
• Strong verbal and written communication skills.
• Ability to facilitate productive meetings and work comfortably in a team-oriented environment.

Personal Attributes:

• Team Player: Ability to work collaboratively with senior engineers, IT teams, and other stakeholders to achieve shared goals.
• Communication: Effective written and verbal communication skills, with the ability to explain technical concepts to non-technical audiences. Ability to leverage communication skills to ensure a strong commitment to customer service.
• Detail-Oriented: Attention to detail and consideration of the non-technical com