Jobs in the United States

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Added 12 mins ago
Hardware Integration Engineer
NCR VOYIX
ATLANTA, GA
This role focuses on the technical boundary between hardware and software. The engineer will primarily integrate POS peripherals in Windows and Linux operating systems using device drivers…
Added 18 mins ago
E
Software System Engineer
ESM
Fort Belvoir, VA
- $136,000 to $162,000 USD / year
Provides technical leadership and oversight for the design, development, integration, implementation, and sustainment of complex software systems. Defines system requirements and technical…
Added 26 mins ago
Ford Racing Vehicle Engineering Lead, Feature & Software Delivery
Ford
Allen Park, MI · Allen Park
The Vehicle Engineering – Features & Human Factors Engineer will lead the integration of customer needs, human-centered design, HMI, selectable drive modes, ergonomics, and vehicle features…
Added 37 mins ago
Sr. Mechanical Engineer - Liquid Cooling (TCS/SFN)
Vertiv
Westerville, OH
…responsible for leading NPDI projects for TCS/SFN, setting global design standards, ensuring consistency across Westerville, Monterrey, India, and China, and mentoring engineers to deliver…
Added 43 mins ago
Systems Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Washington, DC
Develop and apply advanced engineering and design methods, theories and research techniques in the investigation and solution of complex and advanced system requirements, hardware/software…
Added 43 mins ago
Systems Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Washington, DC
Develops and applies advanced engineering and design methods, theories and research techniques in the investigation and solution of complex and advanced system requirements,…
Added 44 mins ago
PKI Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
Washington, DC
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,…
Added 44 mins ago
PKI Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
Reston, VA
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,…
Added 44 mins ago
PKI Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
McLean, VA
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,…
Added 44 mins ago
PKI Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
College Park, MD
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,…
Added 51 mins ago
Senior Systems Engineer
Anduril Industries
Costa Mesa, CA
Anduril is seeking a Systems Engineer to join our rapid growing team in Costa Mesa, CA. As a Systems Engineer on the Maneuver Dominance team, you’ll be responsible for bringing a…
Added 53 mins ago
DH
Secure Network Operations - Technical
DHS Headquarters
Pensacola, FL · Springfield, VA · Arlington, VA · Idaho Falls, ID · Washington, DC · Chandler, AZ · Stennis Space Center, MS
- $106,700 to $214,500 USD / year
…Network Operations, including Systems Administrator, Network Engineer, Distributed Systems Engineer, and Network Operations Specialist. All positions are in the DHS Cybersecurity…
Added 1 hour ago
Ford Racing Vehicle Engineering Lead, Feature & Software Delivery
Ford Global
Allen Park, MI
The Vehicle Engineering – Features & Human Factors Engineer will lead the integration of customer needs, human-centered design, HMI, selectable drive modes, ergonomics, and vehicle features…
Added 1 hour ago
Network Engineer - Top Secret Clearance Required
i3
Chantilly, VA
This role leads the design, implementation, and optimization of resilient, secure network infrastructures supporting mission-critical operations. The SME provides strategic and technical…
Added 1 hour ago
Senior Principal Software Engineer
BAE Systems
Nashua, NH
You will be an integrated team member, with leadership opportunities, collaborating with Systems, Hardware, and Test engineers in one or more of the phases of Project Planning, Requirements…
Added 1 hour ago
Principal Software Engineer (Sign-on bonus available)
BAE Systems
Nashua, NH · Austin, TX
Job Description We are looking for a talented, experienced software engineer to join our SW Development team to help us create the world’s most advanced solutions in the area such as…
Added 1 hour ago
Senior Principal Software Engineer
BAE Systems
Nashua, NH · Austin, TX
You will be an integrated team member, with leadership opportunities, collaborating with Systems, Hardware, and Test engineers in one or more of the phases of Project Planning, Requirements…
Added 1 hour ago
SS
INTERDISCIPLINARY ENGINEER
STRATEGIC SYSTEMS PROGRAMS (SSP)
Pittsfield, MA
- $92,344 to $142,755 USD / year
…Assurance/Cyber Security (IA/CS) | You will be responsible for the design development, installation and operational support of COTs based hardware and software used by Fleet personnel | You…
Added 1 hour ago
NA
INTERDISCIPLINARY ENGINEER
Naval Air Systems Command
Patuxent River, MD
- $102,415 to $158,322 USD / year
You will serve as a INTERDISCIPLINARY ENGINEER in the Missions Systems Group, Avionics Engineering Department of NAVAIRWARCENAC DIV.
Added 1 hour ago
EI
Internship: General Application
Elve Inc
San Francisco, CA
- $25 to $50 USD / hour
…next-generation applications beyond 5G. We are seeking an Applications Engineer interested in pushing the boundaries of RF technology. If you are passionate about engineering, product…
Added 1 hour ago
EI
Internship: General Application
Elve Inc
Davis, CA
- $25 to $50 USD / hour
…next-generation applications beyond 5G. We are seeking an Applications Engineer interested in pushing the boundaries of RF technology. If you are passionate about engineering, product…
Added 1 hour ago
EI
RF Test & Automation Engineer
Elve Inc
San Francisco, CA
- $85,000 to $150,000 USD / year
…technology. If you are passionate about RF systems, test automation, hardware, and building tools that directly improve how products are tested and manufactured, we want to hear from…
Added 1 hour ago
EI
Test Engineer
Elve Inc
Davis, CA
- $85,000 to $125,000 USD / year
A Test engineer at Elve is responsible for the characterization of the performance of Elve products and systems, as well as the design, development, deployment of test and quality…
Added 1 hour ago
RF Design Engineer
Elve Inc
Davis, CA
An RF design engineer at Elve is responsible for the design, analysis, and characterization of Elve products and systems. This will include performing RF simulations on amplifiers and…
Added 1 hour ago
Window IoT Core Embedded Engineer
Inabia Software & Consulting Inc.
Milwaukee, WI
This role is similar to Window IoT Core Embedded Engineer

ENS Solutions, LLC

PKI Engineer - Active TS/SCI With CI Poly

Reston, VA, United States

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Job details

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

Original job description

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
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

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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