Piper Companies is seeking a Platform Engineer to support a company focused on modernizing enterprise infrastructure and strengthening identity, authentication, and certificate‑based security. This position is hybrid in Ft. Washington, PA or Allentown, PA. The Platform Engineer will lead the engineering, automation, and operational reliability of core Active Directory and certificate services. Join a mission-driven team delivering secure, scalable platforms that power critical business operations. Responsibilities for the Platform Engineer include: • Administering, maintaining, and enhancing Windows Active Directory domains, Group Policy, OU structure, and domain services. • Managing PKI infrastructure, digital certificates, CRLs, OCSP, and certificate lifecycle processes. • Developing and optimizing PowerShell scripts and automation workflows to reduce manual tasks and improve reliability. • Implementing security best practices, supporting audit/compliance needs, and remediating vulnerabilities. • Monitoring and troubleshooting issues related to authentication, certificates, replication, domain controllers, and GPOs. Required Qualifications for the Platform Engineer include: • 5+ years of experience supporting enterprise Windows/Active Directory environments. • Hands‑on experience with Active Directory, Group Policy, PKI/certificates, PowerShell scripting, and identity/authentication services. • Strong analytical, troubleshooting, and documentation skills. • Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience). Compensation for the Platform Engineer includes: Salary Range: $90,000-110,000 depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401(k), Tuition Reimbursement, Sick leave as required by law #LI-SM2 #LI-HYBRID Senior Platform Engineer, Platform Engineering, Windows Active Directory, AD Engineering, PKI Engineer, Certificate Services, Identity and Access Management, IAM Engineer, PowerShell Automation, Infrastructure Engineer, Authentication Services, Enterprise IT, Windows Systems Engineer, Directory Services, GPO Management, Platform Reliability, Systems Automation, IT Security Engineering, Cloud‑Adjacent Infrastructure, Enterprise Operation