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Leidos

Linux PKI Enterprise Systems Engineer

Leidos

Published 25 Apr 2026
Huntsville, TX, USA
108K - 195K USD Annual
Full Time

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Role Highlights

Languages used

Python
Perl

Key skills

Computer Science
Integrations
SME
Risk Management
Information Security
System Administration
PKI
Data
Virtualization
Infrastructure
Architecture
Automation
Hosting
TroubleShooting
Scripting
Server
Devops

Tools, Libraries and Frameworks

Red Hat
Linux System Administration
Bash
RHEL
CentOS
TLS
SSL
VMWare
Puppet
Chef
Terraform
Docker
Kubernetes
Ansible

Description

The role involves designing, implementing, and maintaining enterprise-wide public key infrastructure solutions. Responsibilities include managing certificate authorities, registration authorities, and hardware security modules to ensure secure digital communications. The position requires developing automation scripts to streamline the certificate lifecycle, including issuance, renewal, and revocation. The engineer will manage underlying systems to ensure high availability and performance in large-scale, geographically distributed environments. Additionally, the role entails enforcing security policies, supporting compliance frameworks, and providing technical leadership through mentorship.

Required Qualifications and Skills

Candidates must possess at least 8 years of IT experience, with a minimum of 5 years specifically in a PKI engineering role. A bachelor’s degree in Computer Science, Information Security, or a related field is required, though equivalent work experience is accepted. Applicants must hold an active DoD Secret clearance and maintain US citizenship. Required certifications include a Red Hat Certified Engineer (RHCE), VMware Certified Professional (VCP), or an advanced Microsoft Server level certification. Proficiency in Linux administration, scripting languages, and compliance frameworks like RMF is essential.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Leidos

Size

33167

Founded

HQ

Reston, US

Public/Private

Public Company

Description

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. Our 47,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

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