Infrastructure Senior Systems Administrator - Active Directory & PKI Lead

Overview

Resource Management Concepts, Inc. (RMC) provides high-quality, professional services to government and commercial sectors. Our mission is to deliver exceptional management and technology solutions supporting the protection and preservation of the people and environment of the United States of America.

We are seeking a highly skilled Active Directory and PKI Service Administrator to join our team in Crane, Indiana and serve as a Key Position in a senior leadership role. The successful candidate will play a key role in ensuring the security, stability, and scalability of our enterprise identity and access management infrastructure.

Key Responsibilities

• Design, implement, maintain, and support enterprise Microsoft Active Directory (AD) environments
• Administer and optimize Group Policy Objects (GPO), DNS, and DHCP services
• Manage and support Public Key Infrastructure (PKI) , including digital certificate issuance and validation across hybrid environments
• Enhance and secure identity infrastructures through authentication, authorization, and access control policies
• Troubleshoot and resolve issues related to domain services and directory integration
• Collaborate with IT security and infrastructure teams to strengthen enterprise identity management and compliance
• Develop and maintain scripting, automation, and monitoring solutions
• Ensure adherence to security and compliance requirements

Requirements

Benefits

At RMC, we're committed to your career growth. We invest in our employees through training, certification, and development opportunities. We offer a Monday–Friday full-time day shift, relocation assistance, 11 paid federal holidays, and competitive healthcare, dental, and 401(k) options.

Location

Crane, Indiana

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