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Added 1 min ago
SI
Principal Member of Technical Staff (PMTS) / Staff Software Engineer – AI Platform (Agentic Systems)
Salesforce, Inc.
CA · WA
- $197,300 to $344,700 USD / year
As a Principal Member of Technical Staff (PMTS) / Staff Software Engineer on the Agentic Operations team, you will set the technical direction and architecture for how Slack builds,…
Added 1 min ago
Senior AI Polyglot Engineer
Mitsui Sumitomo Marine Management (USA), Inc.
Warren, NJ
Understanding of API design, distributed systems, automated testing, security, Git, CI/CD and production diagnostics.
Added 1 min ago
TT
Senior Software Engineer, Core Systems
True Talent Solutions Partners
San Francisco, CA
- $215,000 to $275,000 USD / year
Join a small engineering team building backend infrastructure for a healthcare technology platform supporting radiology workflows and AI-assisted diagnosis. You will own foundational…
Added 1 min ago
TT
Senior/Staff Software Engineer
True Talent Solutions Partners
New York, NY
- $180,000 to $270,000 USD / year
Join the platform engineering team at an AI-powered finance automation company. You will build foundational systems used across the product, helping engineering teams deliver reliable…
Added 3 mins ago
GI
Senior Software Engineer, Compute Platform
GitHub, Inc.
United States
- $127,800 to $339,000 USD / year
As a Senior Software Engineer on Compute Platform, you will work with a distributed team to contribute to the technical direction of a Kubernetes platform that hundreds of internal teams…
Added 3 mins ago
Vice President – Full Java Stack Engineer
ewminds consulting Services
Pittsburgh, PA
…Azure, Kubernetes (AKS), and Angular, along with experience building distributed, event-driven systems in enterprise…
Added 3 mins ago
Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer
ewminds consulting Services
Jersey City, NJ
(SVP) Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer)
Added 3 mins ago
Software AI Engineer
neurohire.ai
Remote, United States
Experience building AI-powered applications, chatbots, recommendation systems, or automation solutions.
Added 4 mins ago
Senior Software Engineer (L4)
Exiger
McLean, VA · Richmond, VA · San Francisco, CA · NY
As part of a collaborative engineering team, you'll design, develop, and maintain the services behind critical platform capabilities, including real-time alerting, workflow automation, and…
Added 7 mins ago
NS
Senior Infrastructure Engineer (Platform)
Northwood Space
Los Angeles, CA, CA
- $145,000 to $190,000 USD / year
…the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions…
Added 7 mins ago
Manager, Software Development Engineer
Equinix LLC
United States
Equinix is looking for a Manager, Software Engineer to lead the team that builds and supports our channel and partner systems. The platforms include Salesforce Partner Relationship…
Added 8 mins ago
System Engineer III
Blue Origin Personnel, LLC
United States
You will dive deep, and understand the design details of the systems in your area, especially those related to customer interfaces, and the expectations for system dependencies.
Added 8 mins ago
Senior NDT Engineer, Automated Inspection (Embedded, Advanced Manufacturing)
Blue Origin Personnel, LLC
United States
You will be the embedded NDT engineer on the Advanced Manufacturing team, a hands-on group of engineers, technicians, and fabricators that develops new joining, materials, and automation…
Added 8 mins ago
EH
Senior Software Engineer
Everbright Health
Denver, CO
- $150,000 USD / year
We're looking for a Senior Software Engineer who can own features end-to-end - from database schema to React UI - and contribute meaningfully across a modern, cloud-native stack. You'll…
Added 9 mins ago
Staff Site Reliability Engineer
Revolution Medicines
Redwood City, CA
…infrastructure through hands-on software engineering, deployment automation and production troubleshooting. You will engineer and operate reliable cloud infrastructure, automate deployments…
Added 9 mins ago
Cloud Systems Engineer – Active Directory and Windows
ECS FEDERAL LLC
FAIRFAX, VA
Everforth ECS is seeking a Cloud Systems Engineer – Active Directory and Windows to join a team responsible for managing and maintaining multiple network enclaves to support the DoD…
Added 9 mins ago
Process Development Engineer I
Regeneron Pharmaceuticals, Inc (USA)
United States
…with serious diseases. We are seeking a Process Development Engineer I to join our Purification Development group within Preclinical Manufacturing & Process Development (PMPD) in an on-site…
Added 9 mins ago
Process Development Engineer I
Regeneron Pharmaceuticals, Inc (USA)
United States
…with serious diseases. We are seeking a Process Development Engineer I to join our Preclinical Manufacturing and Process Development (PMPD) department in an on-site capacity. In this role,…
Added 10 mins ago
Sr. Business Intelligence Engineer, ASP BI
Amazon Web Services, Inc.
Austin, TX · Seattle, WA · Dallas, TX
AWS is seeking a Senior Business Intelligence Engineer III to lead analytics strategy for the Specialist Insights team, focused on Data and AI. This team operates at the intersection of…
Added 10 mins ago
System Development Engineer, Data Center Security Ops Excellence
Amazon Data Services, Inc.
Herndon, VA
As a Systems Development Engineer, you will design, build, and operate scalable solutions that improve the security and efficiency of Amazon's data center security operations. You will…
Added 10 mins ago
Senior Sourcing Engineer, CNC Machining
Amazon.com Services LLC
Austin, TX
…machining, casting, molding, joining, assembly and test equipment, automation systems, tooling, and infrastructure. Define and implement sourcing approaches that optimize cost efficiency…
Added 10 mins ago
ASIC Formal Verification Engineer I, Annapurna Labs
Annapurna Labs (U.S.) Inc.
Austin, TX · Cupertino, CA
In Annapurna Labs we are at the forefront of hardware co-design not just in Amazon Web Services (AWS) but across the industry. The work we do is cutting-edge and internet-scale while also…
Added 10 mins ago
CM
Applications Security Engineer II
Centene Management Company LLC
Remote, United States
- $75,300 to $135,400 USD / year
Creates application security documents, design standard operating procedures, report findings, and track them to closure by working with related parties.
Added 11 mins ago
Senior Spacecraft Mission Software Engineer
Varda Space Industries
El Segundo, CA
The Senior Spacecraft Mission Software Engineer is responsible for Varda's critical ground segment software, and the platform it runs on which enables spacecraft operations. We operate at…
Added 11 mins ago
A
Test Engineer
Actalent
Poway, CA
- $50 to $57.29 USD / hour
Job Title: Test EngineerJob DescriptionWe are seeking an experienced Test Engineer to join a growing engineering team focused on power electronics products. In this role, you will design,…

Closed listing

ENS Solutions, LLC

PKI Engineer - Active TS/SCI With CI Poly

Washington, DC, United States
Reston, VA, United States
McLean, VA, United States
College Park, MD, United States

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Experience: 5+ years of experience in PKI engineering, infrastructure security, or systems administration
Posting language: English
Posted: Dec 31, 2025

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Original job description

Archived listing. The details below describe a past opening.

We are seeking an experienced PKI Engineer/IAM Engineer to support enterprise Identity and Access Management (IAM), PKI, and Zero Trust initiatives. In this role, you will design, implement, automate, and maintain secure identity and cryptographic infrastructure solutions for large-scale enterprise environments. You will work closely with stakeholders, security teams, and infrastructure engineers to support authentication, authorization, certificate management, and credential lifecycle processes. The ideal candidate will have strong Linux administration skills, deep understanding of certificate lifecycle management, and experience building secure PKI solutions in enterprise environments.

Key Responsibilities

Design, implement, configure, and maintain enterprise PKI environments
Administer and support Linux-based systems hosting PKI services and related infrastructure
Manage certificate lifecycle operations including issuance, renewal, revocation, validation, and expiration monitoring
Develop and maintain automation for certificate deployment and lifecycle management using Ansible and Bash scripting
Configure and manage LDAP integrations and directory services related to PKI environments
Define and maintain policies, standards, and operational procedures
Troubleshoot PKI-related issues involving certificates, trust chains, TLS/SSL configurations, and cryptographic services
Collaborate with security and infrastructure teams to ensure compliance with enterprise security standards and best practices
Implement monitoring, auditing, backup, and disaster recovery procedures for PKI systems
Support asymmetric cryptography implementations and secure communications across enterprise platforms
Create and maintain technical documentation, architecture diagrams, and operational playbooks

Requirements

5+ years of experience in PKI engineering, infrastructure security, or systems administration
8570/8140 Certification
Strong Linux system administration experience
Hands-on experience with:
Public Key Infrastructure (PKI)
Certificate Authority design, setup, and operations
LDAP administration and integrations
Ansible automation
Bash scripting
Experience with certificate lifecycle management and automation
Knowledge of certificate policies, certificate profiles, and certificate contents/extensions
Strong understanding of:
Asymmetric cryptography concepts
TLS/SSL certificates and trust models
Linux security principles and system hardening
Experience troubleshooting certificate and authentication-related issues in enterprise environments
Strong written and verbal communication skills

Preferred Qualifications

Experience working with Hardware Security Modules (HSMs)
Familiarity with ACME protocol and automated certificate enrollment solutions
Knowledge of compliance frameworks and security standards related to cryptography and certificate management
Experience with DevOps or Infrastructure-as-Code practices
Experience with Amazon Web Services (AWS)
Familiarity with enterprise identity and access management solutions

Benefits

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.

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