PKI Operations Administrator- Active TS/SCI with CI Poly

ENS Solutions, LLC; Reston (VA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical, Dental, Vision coverage

401k from Day 1

PTO + 11 paid federal holidays

Disability Insurance

Life Insurance

Tuition, Certification & Professional-

Relocation assistance

Job summary

ENS Solutions, LLC in Reston, VA is seeking a PKI Operations Administrator to manage IAM and PKI systems, ensuring secure and compliant identity services. You’ll perform certificate issuance/renewal, access support, health monitoring, patching, and lifecycle maintenance while collaborating with cybersecurity and operations teams.

Ideal candidates have 3+ years in PKI environments, experience with AD CS, CA operations, lifecycle management, Linux administration, and a TS/SCI clearance with

Qualifications

• 3+ years of experience supporting or maintaining PKI environments in a cybersecurity or enterprise operations setting.
• Experience administering and maintaining Active Directory Certificate Services (AD CS).
• Experience performing operational support activities, including monitoring, patching, troubleshooting, and maintenance of security systems.
• Experience supporting Certificate Authority (CA) operations, maintenance, and sustainment activities.
• Experience with certificate lifecycle management processes, including issuance, renewal, revocation, and automation support.
• Experience documenting operational procedures, troubleshooting guides, and maintenance activities.
• Knowledge of certificate policies, certificate structures, and operational compliance requirements.
• Knowledge of Linux systems administration and asymmetric cryptography concepts and applications.
• Active TS/SCI clearance; willingness to take a polygraph exam.
• HS diploma or GED

Responsibilities

• Manage the ongoing administration, maintenance, monitoring, and troubleshooting of enterprise IAM and PKI systems.
• Perform routine operational activities including certificate issuance and renewal, account and access support, system health monitoring, and patching.
• Handle configuration management, incident response support, and lifecycle maintenance for IAM and PKI platforms.
• Support process improvements, automation initiatives, and operational documentation across the IAM environment.
• Help ensure secure authentication and authorization services while maintaining compliance and availability.
• Assist with certificate authorities, credential management systems, and troubleshooting of authentication issues.

Skills

PKI administration

AD CS

Operational support

CA operations

Certificate lifecycle management

Documentation

Certificate policies

Linux administration

TS/SCI clearance

HS diploma or GED

Education

HS diploma or GED

Tools

Keyfactor

Venafi

Job description

As a PKI Operations Administrator you’ll manage the ongoing administration, maintenance, monitoring, and troubleshooting of enterprise IAM and PKI systems. You’ll work closely with cybersecurity teams, system administrators, network engineers, and mission stakeholders to ensure identity services remain secure, available, and compliant with operational requirements.

In this role, you’ll perform routine operational activities including certificate issuance and renewal, account and access support, system health monitoring, patching, configuration management, incident response support, and lifecycle maintenance for IAM and PKI platforms. You’ll help maintain secure authentication and authorization services while supporting operational continuity and compliance initiatives.

You’ll also assist with process improvement efforts, automation initiatives, and operational documentation to enhance efficiency and reliability across the IAM environment. From supporting certificate authorities and credential management systems to troubleshooting authentication issues and maintaining secure access controls, you’ll help ensure enterprise identity services remain resilient and effective.

• 3+ years of experience supporting or maintaining Public Key Infrastructure (PKI) environments in a cybersecurity or enterprise operations setting
• Experience administering and maintaining Active Directory Certificate Services (AD CS)
• Experience performing operational support activities, including monitoring, patching, troubleshooting, and maintenance of security systems
• Experience supporting Certificate Authority (CA) operations, maintenance, and sustainment activities
• Experience with certificate lifecycle management processes, including issuance, renewal, revocation, and automation support
• Experience documenting operational procedures, troubleshooting guides, and maintenance activities
• Knowledge of certificate policies, certificate structures, and operational compliance requirements
• Knowledge of Linux systems administration and asymmetric cryptography concepts and applications
• Active TS/SCI clearance; willingness to take a polygraph exam
• HS diploma or GED

Nice If You Have:

• Experience supporting Keyfactor and Venafi platforms in an operational environment
• Experience maintaining and troubleshooting ACME and SCEP processes
• Experience with operational automation or scripting for certificate management tasks
• Security+ Certification

Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients.

Why ENS?

• Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
• 401k Contribution from Day 1
• PTO + 11 Paid Federal Holidays
• Long & Short Term Disability Insurance
• Group Term Life Insurance
• Tuition, Certification & Professional Development Assistance
• Workers’ Compensation
• Relocation Assistance

Candidate AI Usage Policy

AI tools are an important part of daily work at ENS Solutions, and we are committed to their responsible and ethical use. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.