MANTECH · 9 hours ago
Senior Active Directory & PKI Service Engineer
Crane, IN
Full-time
Onsite
Senior Level
7+ years expMANTECH seeks a motivated, career and customer-oriented Senior Active Directory & PKI Service Engineer to join their team. The role involves designing, implementing, and supporting enterprise Microsoft Active Directory environments and managing Public Key Infrastructure (PKI) services.
Cyber SecurityInformation TechnologySecurityTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, implement, maintain, and support enterprise Microsoft Active Directory (AD) environments
Support enterprise network services by administering and optimizing GPO design, DNS, DHCP, and Windows Enterprise PKI
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
Apply understanding of authentication protocols such as Kerberos, LDAP, and SAML to enhance secure system access and identity management
Operate in hybrid IT environments, integrating and supporting both on-premises infrastructure and cloud-based systems to meet mission and operational goals
Qualification
Required
High school diploma or equivalent
7+ years of systems administration or related experience
Must have demonstrated experience in both active directory and PKI service administration
Must possess one of the following certifications: CASP+, CISSP, or equivalent DoD 8570 baseline IAT 3 certification
Must be a U.S. Citizen and have the ability to obtain and maintain a Secret security clearance
Candidate will be required to obtain an interim Secret clearance before onboarding
The person in this position must be able to remain in a stationary position 80% of the time
Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations
Preferred
Bachelor's degree in an IT related field
Microsoft Certified: Identity and Access Administrator Associate, or equivalent
Demonstrated expertise in Active Directory architecture and administration
Company
MANTECH
ManTech is a technology company that offers cyber, IT, and data analytics technologies and solutions for security programs.
5001-10000 employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2022-05-16Acquired
2002-02-07IPO
Leadership Team
Matt Tait
Chief Executive Officer & President
Gavin Greene
VP of Business Development
Recent News
2026-01-16
Washington Technology
2025-12-11
GlobeNewswire
2025-12-10
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