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Infrastructure Security Engineer Jobs (NOW HIRING)

Upstart

OR · On-site

$142K/yr

As a Security Engineer II at Upstart, you will help design, build, and improve security controls that protect our production infrastructure and developer platforms. You will partner with engineers ...

Stackinfra

Infrastructure Security Engineer

Denver, CO

$147K/yr

The Sr Infrastructure Security Engineer position requires expertise in support of running a highly available, secure, and scalable environment. The position will require the development and ...

Upstart

Infrastructure Security Engineer

$146K/yr

As a Security Engineer II at Upstart, you will help design, build, and improve security controls that protect our production infrastructure and developer platforms. You will partner with engineers ...

Modal, Inc

Infrastructure Security Engineer

New York, NY · On-site

$150K - $270K/yr

The Role: We're looking for an Infrastructure Security Engineer to design and secure the core systems that power our platform. This role focuses on building security directly into our infrastructure ...

FieldAI

Infrastructure Security Engineer

Irvine, CA

$153K/yr

About the Job The Infrastructure Security Engineer will secure the cloud infrastructure and deployment platforms powering FieldAI's autonomous robotic systems. You will work closely with engineering ...

Upstart

OR

$142K/yr

Our team partners closely with platform, infrastructure, SRE, product engineering, risk, and compliance teams to reduce risk in areas such as cloud IAM, Kubernetes and container security, network ...

FieldAI

Infrastructure Security Engineer

Irvine, CA · On-site

$153K/yr

About the Job The Infrastructure Security Engineer will secure the cloud infrastructure and deployment platforms powering FieldAI's autonomous robotic systems. You will work closely with engineering ...

FieldAI

Infrastructure Security Engineer

Irvine, CA

$153K/yr

About the Job The Infrastructure Security Engineer will secure the cloud infrastructure and deployment platforms powering FieldAI's autonomous robotic systems. You will work closely with engineering ...

xAI

Infrastructure Security Engineer

Palo Alto, CA

$200K - $340K/yr

We are seeking a talented and motivated Cloud/Infrastructure Security Engineer to join our security team. In this role, you will be responsible for designing, implementing, and maintaining secure ...

xAI

Infrastructure Security Engineer

Palo Alto, CA · On-site

$200K - $340K/yr

We are seeking a talented and motivated Cloud/Infrastructure Security Engineer to join our security team. In this role, you will be responsible for designing, implementing, and maintaining secure ...

Skip

Infrastructure Security Engineer

San Francisco, CA · On-site

$168K/yr

We are seeking a highly motivated and adaptable engineer to own the infrastructure and security foundation that a fleet of wearable robots depends on. This means hardening our cloud and device ...

Sonar

Infrastructure Security Engineer

Austin, TX · On-site

$141K/yr

The Infrastructure Security Engineer will be responsible for designing, implementing, and operating security controls and automation across identity platforms and core IT services, ensuring robust ...

xAI

Infrastructure Security Engineer

Palo Alto, CA · On-site

$200K - $340K/yr

We are seeking a talented and motivated Cloud/Infrastructure Security Engineer to join our security team. In this role, you will be responsible for designing, implementing, and maintaining secure ...

Scale AI

Security Engineer, Infrastructure

Seattle, WA · On-site

They are seeking a highly skilled Infrastructure Security Engineer to secure large cloud environments and enhance the security posture of their platform. Responsibilities : • Secure infrastructure ...

Scale AI

Security Engineer, Infrastructure

Seattle, WA · On-site

They are seeking a highly skilled Infrastructure Security Engineer to ensure the security and integrity of their platform, responsible for securing cloud environments and reviewing infrastructure as ...

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Infrastructure Security Engineer information

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$74K

$142.1K

$170K

How much do infrastructure security engineer jobs pay per year?

As of Jun 15, 2026, the average yearly pay for infrastructure security engineer in the United States is $142,133.00, according to ZipRecruiter salary data. Most workers in this role earn between $143,000.00 and $143,000.00 per year, depending on experience, location, and employer.

What are some common challenges an Infrastructure Security Engineer faces when implementing new security measures within an organization?

Infrastructure Security Engineers often face challenges such as balancing security requirements with business needs and ensuring minimal disruption to ongoing operations. Integrating new security tools with legacy systems can be complex, requiring thorough testing and collaboration with IT and DevOps teams. Additionally, gaining buy-in from stakeholders and ensuring compliance with industry regulations are crucial aspects that require strong communication and project management skills.

What does an Infrastructure Security Engineer do?

An Infrastructure Security Engineer is responsible for protecting an organization's IT infrastructure, including networks, servers, and cloud platforms, from cyber threats. They design and implement security measures such as firewalls, intrusion detection systems, and security policies to safeguard data and systems. Their role also involves monitoring for vulnerabilities, responding to incidents, and ensuring compliance with industry security standards. By proactively identifying risks and strengthening defenses, Infrastructure Security Engineers play a crucial role in maintaining the organization's overall cybersecurity posture.

What is the difference between Infrastructure Security Engineer vs Network Security Engineer?

AspectInfrastructure Security EngineerNetwork Security Engineer
CertificationsCompTIA Security+, CISSP, Cisco CCNA SecurityCompTIA Security+, CISSP, Cisco CCNA Security
Work EnvironmentFocuses on securing entire IT infrastructure, including servers, cloud, and hardwareFocuses on securing network devices, firewalls, and network traffic
Employer & Industry UsageUsed across tech, finance, healthcare for infrastructure securityCommon in networking, telecom, and enterprise IT sectors

Both roles require similar certifications and often overlap in responsibilities. However, Infrastructure Security Engineers focus on securing the entire IT infrastructure, while Network Security Engineers specialize in protecting network components and traffic. Understanding these differences helps in choosing the right career path or job focus.

What are the key skills and qualifications needed to thrive as an Infrastructure Security Engineer, and why are they important?

To thrive as an Infrastructure Security Engineer, you need expertise in network security, risk assessment, and systems administration, often supported by a degree in computer science or related certifications like CISSP or CEH. Familiarity with security tools such as firewalls, IDS/IPS, SIEM platforms, and cloud security systems is typically required. Strong analytical thinking, problem-solving, and effective communication skills help you proactively address vulnerabilities and collaborate with cross-functional teams. These abilities are crucial to effectively safeguard organizational infrastructure from evolving cyber threats and ensure business continuity.
More about Infrastructure Security Engineer jobs
What cities are hiring for Infrastructure Security Engineer jobs? Cities with the most Infrastructure Security Engineer job openings:
What are the most commonly searched types of Infrastructure Security Engineer jobs? The most popular types of Infrastructure Security Engineer jobs are:
What states have the most Infrastructure Security Engineer jobs? States with the most job openings for Infrastructure Security Engineer jobs include:
What job categories do people searching Infrastructure Security Engineer jobs look for? The top searched job categories for Infrastructure Security Engineer jobs are:
Infrastructure Security Engineer jobs near you
Infographic showing various Infrastructure Security Engineer job openings in the United States as of June 2026, with employment types broken down into 98% Full Time, 1% Part Time, and 1% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $142,133 per year, or $68.3 per hour.

Infrastructure Security Engineer

Antithesis Operations LLC

Vienna, VA • On-site

$143K/yr

Full-time

Posted 9 days ago

Job description

About Antithesis
We've been quietly reinventing how the world thinks about software reliability, and we're just getting started! At Antithesis, we start at the foundations - we run entire software systems inside a deterministic simulation and break them in every way imaginable. Every issue then comes with a perfect reproduction, so you can identify root causes fast instead of spending days trying to recreate what went wrong.
The rise of AI-generated code has made this work more urgent than ever. Agents can write code faster than any human, but speed doesn't matter much when the output is buggy, stuck in review, or slipping through undetected. The verification bottleneck is real, it's growing, and solving it is one of the most consequential problems in software right now. That's what you'd be working on.
We're well-funded and deeply technical, the kind of place where the hardest problems get the most attention and the best ideas win regardless of who has them. If you want to do work that actually moves the needle on how reliable software can be, keep reading.
About the Role
Antithesis is growing and seeking an experienced Infrastructure & Security Engineer to join our Platform team, which owns the infrastructure, services and tools used to build, deploy and operate the Antithesis services & products. We strive to act as a productivity accelerator by providing secure, scalable infrastructure primitives that enable engineering teams to move fast without compromising security or reliability.
In this role, you will design, build, and scale secure cloud infrastructure that powers Antithesis' core systems and customer environments. You'll operate at the intersection of infrastructure, security, and reliability-ensuring our cloud environments are resilient, isolated, observable, and secure by default.
As our systems grow in complexity and scale, the security and isolation of our cloud infrastructure become increasingly critical. You'll help define and implement the technical foundations that protect our systems, customers, and data.
What You'll Do
Cloud Infrastructure & Architecture
  • 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
Network Security & Isolation
  • 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
Identity, Access & Data Security
  • 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
Automation & Platform Enablement
  • 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
What We're Looking For
We're looking for engineers who thrive at the intersection of cloud infrastructure, security engineering, and distributed systems.
You likely have:
  • 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

Bonus if you have:
  • 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

About Our Team
Our team spans CS degrees, philosophy, mathematics, and everything in between, or nothing formal at all. What everyone shares is a high bar for engineering quality. We work in-person because it's how we build trust and tackle hard problems together.
Location: This position is in office in Vienna, VA.

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