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DecisionPoint

Defense IT services and mission support

Active Directory / Identity Engineer Senior

System AdministrationConfirmed live in the last 24 hours
Full-timeChicago, IL, USANo salary listed

About the Job

Requirements

  • Active Secret clearance or higher.
  • A bachelor's degree in information technology, information systems, or a related field, or equivalent professional experience where permitted by the applicable labor category.
  • At least eight years of relevant experience in Active Directory engineering, identity engineering, Windows infrastructure, systems engineering, or a related technical discipline.
  • Direct, hands-on experience engineering and administering Microsoft Active Directory Domain Services in an enterprise environment.
  • Experience managing Active Directory objects, organizational units, Group Policy Objects, trusts, replication, schemas, delegated permissions, and directory recovery.
  • Experience troubleshooting complex authentication, authorization, Group Policy, replication, trust, and directory-services issues.
  • Experience planning or supporting Active Directory backup, restoration, disaster recovery, or forest recovery.
  • Experience testing identity integrations or evaluating enterprise identity-modernization technologies.
  • Understanding of the distinction between core Active Directory Domain Services administration and external Identity, Credential, and Access Management, federation, or cloud-identity services.
  • Knowledge of enterprise identity security, least privilege, delegated administration, account management, and access-control principles.
  • Ability to develop and maintain architecture diagrams, domain plans, organizational-unit plans, Group Policy documentation, trust diagrams, recovery procedures, and technical standards.
  • Ability to support after-hours maintenance, continuity-of-operations exercises, disaster-recovery testing, and critical incident response when required.
  • Experience integrating Active Directory with Okta is preferred.
  • Experience with Microsoft Entra ID or hybrid identity is preferred.
  • Experience supporting federal or Department of Defense Identity, Credential, and Access Management initiatives is preferred.
  • Experience with Security Assertion Markup Language, OpenID Connect, OAuth, System for Cross-domain Identity Management, Lightweight Directory Access Protocol, Kerberos, NTLM, and federation technologies is preferred.
  • Experience with Active Directory Federation Services or comparable identity-provider technologies is preferred.
  • Experience with PowerShell scripting and directory-administration automation is preferred.
  • Microsoft identity, Windows Server, Azure, or security certification is preferred.
  • Okta Certified Administrator, Okta Certified Consultant, or comparable Okta certification is preferred.
  • CompTIA Security+, CISSP, or another relevant security certification is preferred.
  • Experience with Common Access Card, Personal Identity Verification, certificate-based authentication, public key infrastructure, or Department of Defense enterprise authentication is preferred.
  • Experience applying Defense Information Systems Agency Security Technical Implementation Guides to Active Directory and Windows infrastructure is preferred.
  • Experience supporting Department of Defense Risk Management Framework controls and authorization activities is preferred.
  • Experience designing or testing identity capabilities aligned with Zero Trust principles is preferred.
  • Experience with Active Directory monitoring, privileged-access management, identity governance, or audit tools is preferred.
  • ITIL v4 Foundation certification is preferred.

Responsibilities

  • Serve as the senior technical owner for the USMEPCOM Active Directory Domain Services environment.
  • Install, configure, maintain, update, troubleshoot, and recover Active Directory services and supporting components.
  • Create, modify, disable, delete, and manage authorized Active Directory objects in accordance with approved processes.
  • Manage organizational units, users, computers, groups, service accounts, shared resources, and other directory objects.
  • Maintain the domain plan, organizational-unit plan, site plan, trust plan, Group Policy design, and related architecture documentation.
  • Design and maintain an organizational-unit structure that supports administration, policy application, security boundaries, and delegated management.
  • Manage organizational-unit permissions and administrative delegation using least-privilege principles.
  • Review delegated access and correct excessive, obsolete, inherited, or conflicting permissions.
  • Develop, test, implement, maintain, and troubleshoot Group Policy Objects.
  • Manage Group Policy Object links, inheritance, precedence, security filtering, loopback processing, Windows Management Instrumentation filters, backups, version history, and recovery.
  • Evaluate proposed Group Policy Object changes for security, operational, and customer impact before production implementation.
  • Identify and resolve conflicting, obsolete, duplicative, or ineffective Group Policy settings.
  • Manage trust relationships with enterprise and external Active Directory structures.
  • Configure, validate, monitor, and troubleshoot domain and forest trusts within approved security boundaries.
  • Review trust direction, transitivity, authentication scope, name-suffix routing, and related security settings.
  • Manage Active Directory sites, subnets, site links, replication schedules, bridgehead behavior, and replication topology.
  • Monitor and troubleshoot replication latency, failures, lingering objects, directory inconsistencies, and site-topology problems.
  • Maintain the health of domain controllers, directory databases, SYSVOL, Distributed File System Replication, time synchronization, and Active Directory-integrated DNS dependencies.
  • Monitor Flexible Single Master Operations roles and support approved role transfer or seizure when necessary.
  • Plan and execute domain-controller installation, replacement, upgrade, demotion, and retirement activities.
  • Develop and implement approved plans to transition Active Directory to supported versions.
  • Manage Active Directory schema governance and coordinate tightly controlled schema extensions.
  • Evaluate schema-change requests for compatibility, replication impact, operational risk, recovery requirements, and required approvals.
  • Maintain current directory schematics, architecture diagrams, object models, administrative boundaries, trust diagrams, and replication diagrams.
  • Administer account and group changes escalated from approved Service Desk and access-management processes.
  • Support troubleshooting of authentication, authorization, account, group-membership, policy, trust, replication, and directory-permission issues.
  • Coordinate with the Service Desk to improve identity-related ticket routing, troubleshooting, escalation, and knowledge content.
  • Provide advanced engineering support during identity, authentication, domain, and access-management incidents.
  • Identify widespread authentication failures or other outage signals and escalate them through approved incident-response procedures.
  • Support root-cause analysis and corrective-action development for recurring directory and identity incidents.
  • Develop and maintain Active Directory backup, restoration, and forest-recovery procedures.
  • Test system-state backups, directory restoration, authoritative and non-authoritative recovery, deleted-object recovery, and forest-recovery procedures.
  • Support continuity-of-operations exercises, disaster-recovery testing, recovery validation, and actual continuity events.
  • Document recovery results, deficiencies, corrective actions, and lessons learned.
  • Evaluate and test approved Identity, Credential, and Access Management and identity-modernization technologies.
  • Support integration testing between Active Directory and Okta or other Government-approved identity platforms.
  • Validate identity synchronization, account linking, authentication flows, group or attribute mappings, provisioning behavior, access controls, and failure handling.
  • Support testing of approved federation and modern authentication protocols such as Security Assertion Markup Language, OpenID Connect, OAuth, System for Cross-domain Identity Management, Lightweight Directory Access Protocol, or comparable technologies.
  • Coordinate identity-integration activities with cybersecurity, application owners, cloud teams, network teams, and Government identity authorities.
  • Develop test plans, test cases, expected results, rollback procedures, and validation evidence for identity integrations.
  • Evaluate modernization options while preserving required Active Directory Domain Services authentication, authorization, Group Policy, trust, recovery, and administrative capabilities.
  • Assess modernization proposals for interoperability, security, operational support, lifecycle, resiliency, and mission impact.
  • Automate approved directory administration, health validation, reporting, audit, and configuration activities where appropriate.
  • Review directory audit information and report activity outside approved baselines.
  • Support enforcement of Defense Information Systems Agency Security Technical Implementation Guides and approved security baselines.
  • Monitor and remediate applicable directory-service vulnerabilities, configuration findings, and policy deficiencies.
  • Support Risk Management Framework controls, assessment evidence, Plan of Action and Milestones activities, and authorization documentation.
  • Follow approved incident, problem, change, configuration, access, release, security, and quality-management processes.
  • Maintain standard operating procedures, recovery plans, configuration baselines, change records, test results, and technical documentation.
  • Provide directory-service health, availability, capacity, risk, issue, modernization, and recovery information for program reporting.

Desired Qualifications

  • Experience integrating Active Directory with Okta.
  • Experience with Microsoft Entra ID or hybrid identity.
  • Experience supporting federal or Department of Defense Identity, Credential, and Access Management initiatives.
  • Experience with Security Assertion Markup Language, OpenID Connect, OAuth, System for Cross-domain Identity Management, Lightweight Directory Access Protocol, Kerberos, NTLM, and federation technologies.
  • Experience with Active Directory Federation Services or comparable identity-provider technologies.
  • Experience with PowerShell scripting and directory-administration automation.
  • Microsoft identity, Windows Server, Azure, or security certification.
  • Okta Certified Administrator, Okta Certified Consultant, or comparable Okta certification.
  • CompTIA Security+, CISSP, or another relevant security certification.
  • Experience with Common Access Card, Personal Identity Verification, certificate-based authentication, public key infrastructure, or Department of Defense enterprise authentication.
  • Experience applying Defense Information Systems Agency Security Technical Implementation Guides to Active Directory and Windows infrastructure.
  • Experience supporting Department of Defense Risk Management Framework controls and authorization activities.
  • Experience designing or testing identity capabilities aligned with Zero Trust principles.
  • Experience with Active Directory monitoring, privileged-access management, identity governance, or audit tools.
  • ITIL v4 Foundation certification.

About the Company

DecisionPoint

Defense IT services and mission support

DecisionPoint delivers IT support services to U.S. defense and federal agencies, helping them improve mission delivery. The company uses four Centers of Excellence to design and implement solutions that blend skilled professionals, mature processes, and smart technologies to tackle government challenges. It differentiates itself through its Service Disabled Veteran Owned Small Business (SDVOSB) status and its center-based approach to delivering large-scale IT programs across defense and federal sectors. Its goal is to help government agencies transform and enhance performance to meet critical mission requirements.

Company size
51-200
Company stage
Not listed
Total funding
Not listed
Headquarters
Gaithersburg, MD
Founded
2011

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