Access Control Specialist

Leidos•Washington, DC

23h•Onsite

About The Position

The Access Control Specialist supports the SEC ISS contract by administering secure, timely access to enterprise systems and data. This role manages full account lifecycle activities (joiner, mover, leaver), validates access changes, and maintains accurate, current account information. The position applies Microsoft Active Directory and core access control practices to enforce approved access. The specialist also maintains access control procedures and documentation to support SEC policy compliance, audit readiness, and operational effectiveness.

Requirements

Must meet contract requirements.
Ability to obtain and maintain SEC Public Trust (or higher if required).
Bachelors.
Minimum 2 years of experience administering access control in an enterprise IT environment.
Experience managing account creation, modification, termination, and expiration processes.
Experience managing groups, mailbox permissions, and file permissions while maintaining accurate account records.
Microsoft Active Directory and underlying directory service concepts.
User account lifecycle administration (account creation, modification, and termination).
Group administration and permission management.
Mailbox and file permission management.
Access control protocol and SOP maintenance.

Nice To Haves

Experience supporting federal agency IT environments with formal security and compliance requirements.
Hands-on experience with Microsoft Entra ID and hybrid identity administration.
Familiarity with RBAC, identity governance, MFA, and privileged access concepts.
Working knowledge of FISMA/NIST-aligned access control practices.
Experience using PowerShell or similar scripting tools to automate access administration tasks.
Microsoft Certified: Identity and Access Administrator Associate (SC-300)
CompTIA Security+
ITIL 4 Foundation

Responsibilities

Create, modify, disable, and terminate user accounts based on approved requests and established timelines.
Execute joiner/mover/leaver workflows, including account expiration and deprovisioning controls.
Validate approvals and request details before implementing access changes.
Track, update, and resolve access-related requests and escalations in the designated ticketing system.
Manage security and distribution groups, including membership updates and periodic validation.
Administer mailbox permissions and delegation settings for individual and shared mail resources.
Configure and maintain file and folder permissions according to approved access needs.
Correct stale, conflicting, or excessive permissions to maintain appropriate access.
Maintain Microsoft Active Directory account attributes and directory data accuracy across systems.
Ensure account information remains accurate, complete, and current.
Coordinate with security and system owners to ensure access controls remain current and enforceable.
Support routine validation activities for access provisioning and account changes.
Maintain and update access control protocols, SOPs, and process documentation.
Produce audit-ready records for access provisioning, changes, and terminations.
Identify recurring access issues and recommend process improvements.
Support compliance with SEC security policies and contract requirements.