System Administrator III

Endava

1d•Hybrid

About The Position

The Tier 3 Microsoft 365 Entra Administrator is a senior-level Identity & Access Management (IAM) professional responsible for securing, administering, and optimizing a hybrid identity environment spanning on‑prem Active Directory and Microsoft Entra ID. This role serves as the highest escalation point for identity-related incidents, leads advanced troubleshooting and root cause analysis, and drives identity security strategy aligned with Zero Trust principles. The role has a strong emphasis on identity security, governance, and privileged access, working closely with Cybersecurity, Infrastructure, and Compliance teams. The Tier 3 Entra Administrator also mentors Tier 1–2 support, owns identity automation and governance improvements, and ensures audit-ready identity operations using tools such as ServiceNow and NetIQ. Must be local to Brentwood, TN or Denver, CO

Requirements

5+ years of IAM experience, with 3+ years focused on Microsoft Entra ID in a hybrid environment.
Deep expertise in:
Microsoft Entra ID and Active Directory
Conditional Access, MFA, and Zero Trust identity controls
Privileged Identity Management (PIM)
Hybrid identity troubleshooting (sync, authentication, federation)
Hands-on experience with ServiceNow (ITSM, identity workflows).
Experience working with NetIQ identity governance or directory tools.
Strong PowerShell and automation skills.
Proven ability to lead incident response and security-focused identity initiatives.
Security-first mindset with strong Zero Trust principles
Advanced troubleshooting and analytical skills
Strong collaboration with Security, Compliance, and Infrastructure teams
Clear technical documentation and communication
Ability to lead initiatives independently and influence identity strategy

Nice To Haves

Microsoft certifications (preferred):
SC-300 – Identity and Access Administrator
SC-200 / SC-100 – Security
AZ-104, MS-102
Experience with:
Entra ID Protection and identity risk management
Defender for Cloud Apps integration
Phishing-resistant MFA rollouts (FIDO2 / WHfB)
ITIL-based operational environments
Experience supporting regulated or highly audited environments.

Responsibilities

Act as the Tier 3 escalation point for complex Entra ID, hybrid identity, and authentication incidents.
Lead resolution of high-severity identity outages and security incidents (authentication failures, MFA bypass attempts, Conditional Access issues).
Perform detailed root cause analysis (RCA) and implement long-term corrective and preventive actions.
Drive identity-related Problem Management activities within ServiceNow.
Provide technical leadership, mentoring, and knowledge transfer to Tier 1–2 support teams.
Administer and secure Microsoft Entra ID and on‑prem Active Directory in a hybrid configuration.
Support and troubleshoot Entra Connect / Cloud Sync:
Attribute flow and sync rule issues
Duplicate object resolution (soft/hard match)
UPN, proxyAddress, and source anchor mismatches
Partner with AD, PKI, networking, and endpoint teams to ensure identity dependencies remain secure and resilient.
Design, implement, and maintain Conditional Access policies with a security-first approach:
Risk-based access
Device and platform restrictions
Session controls and legacy authentication blocking
Manage and optimize authentication methods, including:
MFA (Authenticator, FIDO2, WHfB, OATH, Temporary Access Pass)
Phishing-resistant authentication strategies
Administer Privileged Identity Management (PIM):
Eligible role assignments
Approval workflows
Just-in-time access
Privileged access monitoring and alerts
Investigate Entra ID Protection risk detections and coordinate remediation for risky users and sign-ins.
Maintain and protect break-glass and emergency access accounts.
Lead identity governance initiatives using:
Access Reviews
Entitlement Management / Access Packages
Lifecycle and joiner-mover-leaver processes
Utilize NetIQ identity tools to support:
Identity lifecycle management
Role-based access models
Attestation and access certification workflows
Ensure identity controls align with regulatory and audit requirements (SOX, SOC 2, ISO, HIPAA, etc.).
Provide audit evidence, logging, and reporting for identity-related controls.
Integrate and secure enterprise and SaaS applications using Entra SSO:
SAML, OAuth 2.0, OpenID Connect
SCIM provisioning and deprovisioning
Secure and manage:
App registrations and service principals
API permissions and consent models
Certificate and secret lifecycle management
Troubleshoot federation, claims, and token-related issues
Use ServiceNow for:
Incident, Problem, and Change Management
Identity request workflows and approvals
CMDB and service mapping related to identity services
Improve operational maturity through:
Runbooks and SOPs
Monitoring and alerting enhancements
Identity-related SLAs and KPIs
Automate identity operations using:
PowerShell
Microsoft Graph
Azure Automation / Logic Apps
Reduce manual access administration and improve consistency through automation.
Maintain version-controlled scripts and documentation.
Continuously assess and improve identity security posture and architecture.

Benefits

Competitive salary package, share plan, company performance bonuses, value-based recognition awards, referral bonus
Career coaching, global career opportunities, non-linear career paths, internal development programmes for management and technical leadership
Complex projects, rotations, internal tech communities, training, certifications, coaching, online learning platforms subscriptions, pass-it-on sessions, workshops, conferences
Hybrid work and flexible working hours, employee assistance programme
Global internal wellbeing programme, access to wellbeing apps
Global internal tech communities, hobby clubs and interest groups, inclusion and diversity programmes, events and celebrations.
Robust healthcare and benefits including Medical, Dental, vision, Disability coverage, and various other benefit options
Flexible Spending Accounts (Medical, Transit, and Dependent Care)
Employer Paid Life Insurance and AD&D Coverages
Health Savings account paired with our low-cost High Deductible Medical Plan
401(k) Safe Harbor Retirement plan with employer match with immediately vest