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Intern Critical Infrastructure Security Jobs (NOW HIRING)

Antithesis

Infrastructure Security Engineer

Vienna, VA · On-site

$143K/yr

They are seeking an experienced Infrastructure Security Engineer to design and scale secure cloud ... Make critical architectural decisions balancing performance, cost, reliability, and security • ...

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Security Officer - Critical Infrastructure

Atlanta, GA · On-site

$15.50 - $18.25/hr

Critical infrastructure, utilities, or industrial security * Data centers, manufacturing, logistics, transportation, healthcare, or campus security * Security supervisors, team leads, or other ...

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How much do intern critical infrastructure security jobs pay per hour?

As of Aug 5, 2026, the average hourly pay for intern critical infrastructure security in the United States is $20.34, according to ZipRecruiter salary data. Most workers in this role earn between $16.11 and $22.36 per hour, depending on experience, location, and employer.

What is the difference between Intern Critical Infrastructure Security vs Intern Cybersecurity Analyst?

AspectIntern Critical Infrastructure SecurityIntern Cybersecurity Analyst
CertificationsBasic security or infrastructure certifications (e.g., CompTIA Security+)Basic cybersecurity certifications (e.g., CompTIA Security+)
Work EnvironmentFocus on physical infrastructure, utilities, transportation sectorsFocus on digital systems, networks, and data security
Industry UsagePrimarily in utilities, transportation, and government sectorsAcross various industries including finance, tech, and healthcare
Search & Comparison IntentUnderstanding roles in infrastructure securityUnderstanding roles in cybersecurity

Intern Critical Infrastructure Security focuses on protecting physical infrastructure like utilities and transportation, while Intern Cybersecurity Analyst concentrates on digital security and network protection. Both roles require similar foundational certifications and often work in overlapping environments, but their primary focus areas differ—one on physical assets, the other on digital systems.

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What are the most commonly searched types of Critical Infrastructure Security jobs? The most popular types of Critical Infrastructure Security jobs are:
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Intern Critical Infrastructure Security jobs near you

Infrastructure Security Engineer

Antithesis

Vienna, VA • On-site

$143K/yr

Full-time

Re-posted 15 hours ago

Job description

Job Summary:
Antithesis is reinventing software reliability by utilizing deterministic simulations to identify root causes of issues quickly. They are seeking an experienced Infrastructure Security Engineer to design and scale secure cloud infrastructure while ensuring security and reliability within their systems.
Responsibilities:
• Design, build, and operate secure, scalable cloud infrastructure across compute, networking, and storage
• Architect multi-tenant and isolated cloud environments with strong security boundaries
• Lead capacity planning and scaling initiatives to support rapid product and customer growth
• Make critical architectural decisions balancing performance, cost, reliability, and security
• Design and implement network segmentation, private networking, and zero-trust principles
• Build and maintain secure VPC architectures, ingress/egress controls, and service-to-service communication policies
• Implement tenant isolation strategies across infrastructure and workloads
• Conduct threat modeling and proactively reduce infrastructure attack surface
• Build and maintain authentication and authorization frameworks across internal systems
• Implement audit logging, access monitoring, and compliance-aligned controls
• Manage secrets, key management systems, and secure credential workflows
• Establish infrastructure-as-code standards and automation best practices
• Build tooling and paved paths that improve developer productivity and security posture
• Contribute to long-term infrastructure roadmap and technical strategy
• Mentor engineers on infrastructure and security best practices
Qualifications:
Required:
• 5+ years of experience in infrastructure, platform, or security engineering
• Deep experience with cloud providers (AWS, GCP, or Azure)
• Strong knowledge of cloud networking concepts (VPCs, subnets, routing, firewalls, load balancing)
• Experience implementing IAM, RBAC, and least-privilege access models at scale
• Hands-on experience with Infrastructure-as-Code tools (Terraform, Pulumi, CloudFormation, etc.)
• Experience designing highly available, fault-tolerant systems
• Understanding of security best practices across cloud infrastructure
Preferred:
• Experience in high-growth or multi-tenant SaaS environments
• Background in security engineering or compliance frameworks (SOC 2, ISO 27001, etc.)
• Experience with secrets management, KMS, or certificate management
• Experience implementing monitoring and observability systems
Company:
Antithesis is a simulation testing company that tests software reliability to find and reproduce software bugs before deployment. Founded in 2018, the company is headquartered in Vienna, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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