Senior PKI Engineer – TS/SCI w/ Poly | IAM & TLS Security

ENS Solutions, LLC; Washington; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Free Platinum-Level Medical/Dental/VIs

401k Contribution from Day 1

PTO + 11 Paid Federal Holidays

Long & Short Term Disability Insurance

Group Term Life Insurance

Tuition, Certification & Professional/

Relocation Assistance

Job summary

Essential Network Security (ENS) Solutions, LLC is seeking an experienced PKI/IAM Engineer to design, implement, and maintain enterprise PKI, IAM, and Zero Trust initiatives. You will work with security and infrastructure teams to support authentication, authorization, and certificate lifecycle processes.

Ideal candidates have strong Linux administration skills, hands-on PKI automation experience, and the ability to build secure cryptographic infrastructure for large-scale environments.

Qualifications

• 5+ years of PKI, IAM, or related engineering experience.
• 8570/8140 certification.
• Strong Linux system administration experience.
• Hands-on PKI services lifecycle management and automation.
• LDAP integrations and directory services experience.

Responsibilities

• Design, implement, configure, and maintain enterprise PKI environments.
• Administer Linux-based systems hosting PKI services and related infrastructure.
• Manage certificate lifecycle operations including issuance, renewal, revocation, validation and expiration monitoring.
• Develop automation for certificate deployment and lifecycle management using Ansible and Bash.
• Configure LDAP integrations and directory services related to PKI.
• Define and maintain policies, standards, and procedures.
• Troubleshoot PKI-related issues including certificates, trust chains, TLS/SSL configurations.
• Collaborate with security and infrastructure teams to ensure enterprise security compliance.

Skills

PKI engineering

Linux administration

Ansible automation

Bash scripting

LDAP administration

Certificate Authority design

TLS/SSL security

Asymmetric cryptography

HSM experience

Tools

AWS

Job description

Essential Network Security (ENS) Solutions, LLC is seeking an experienced PKI/IAM Engineer to design, implement, and maintain enterprise PKI, IAM, and Zero Trust initiatives. You will work with security and infrastructure teams to support authentication, authorization, and certificate lifecycle processes.

Ideal candidates have strong Linux administration skills, hands-on PKI automation experience, and the ability to build secure cryptographic infrastructure for large-scale environments.