IT Infrastructure Administrator Jobs

Explore IT Infrastructure Administrator opportunities for experienced technology professionals who keep business-critical systems reliable, secure, and ready to scale. Ladders features vetted professional roles paying $100,000 or more, including openings in infrastructure operations, systems administration, networking, cloud platforms, and enterprise support.

What IT Infrastructure Administrators Do

IT Infrastructure Administrators manage the technology foundations organizations rely on every day. Responsibilities may include maintaining servers and operating systems, administering networks and identity services, monitoring performance and availability, managing backups and disaster recovery, and resolving complex infrastructure issues. Many roles also contribute to cloud migration, automation, security controls, and technology planning.

Skills and Experience Employers Seek

Employers often look for hands-on experience with Windows or Linux environments, virtualization, cloud services, networking, storage, and endpoint or directory management. Scripting, configuration management, monitoring, incident response, and strong documentation skills can also be valuable. Certifications and expertise in platforms such as AWS, Microsoft Azure, Google Cloud, VMware, or Cisco may help demonstrate specialized knowledge, depending on the role.

Career Paths in IT Infrastructure

Infrastructure administrators can advance into senior systems or network administration, cloud engineering, infrastructure architecture, site reliability engineering, IT operations leadership, or cybersecurity. Roles vary by organization: some focus on a particular platform, while others oversee hybrid environments that combine on-premises data centers and cloud services.

Find IT Infrastructure Administrator Jobs on Ladders

Search Ladders for vetted IT Infrastructure Administrator jobs and related opportunities paying $100,000 or more. Review each listing for its technology stack, responsibilities, location, and experience requirements to find roles that align with your career goals.

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$80K - $90K *

Join a team that's dedicated to ensuring the reliability and security of operational technology systems. This entry-level role involves monitoring, maintenance, and support tasks, providing a solid fo...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$143K - $242K *

Drive operational excellence by managing high-performance computing systems, enhancing infrastructure, and collaborating with teams to ensure seamless IT operations and support for evolving mission re...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$143K - $242K *

Unlock your potential by supporting high-performance computing systems. Collaborate with teams to enhance infrastructure, streamline processes, and ensure secure operations in a dynamic datacenter env...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Join a team that's pivotal in managing secure messaging systems for defense. Oversee daily operations, enhance high-availability solutions, troubleshoot incidents, and ensure seamless communication ac...

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $82K *

Pioneer IT solutions by managing systems, optimizing performance, and ensuring security compliance in a dynamic Linux environment while collaborating closely with cross-functional teams...

3 weeks ago

  •   Less than 5 years exp.  •   Staffing

$110K - $130K *

Unlock potential by leading the administration and engineering of Microsoft infrastructure, ensuring security and compliance across Microsoft 365, Azure Government, and endpoint management. Drive impr...

Washington, DCRemote

2 days ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$110K - $130K *

Lead the administration and engineering of Microsoft infrastructure, ensuring optimal performance and security across Microsoft 365, Azure Government, and endpoint management. Drive projects and mento...

2 days ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$80K - $95K *

Empower your career by ensuring the reliability and security of enterprise network infrastructure. Collaborate with cross-functional teams to drive operational excellence and automation in a fast-pace...

5 days ago

  •   Less than 5 years exp.  •   Finance & Insurance

$95K - $115K *

Unlock potential by overseeing container integration and automation, supporting Agile development teams, and ensuring system security and compliance. Drive operational excellence through effective mai...

2 days ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Accelerate progress at the forefront of IT systems administration by ensuring optimal performance, security, and reliability of the IT infrastructure, including Microsoft 365 and Azure services, while...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$95K - $115K *

Elevate your career by managing and optimizing a Microsoft Windows domain Active Directory environment, ensuring seamless integration, troubleshooting, and security for critical systems while collabor...

4 days ago

  •   5 - 7 years exp.  •   Technical Services

$120K - $163K *

Engineer scalable infrastructure solutions by managing cross-functional programs, driving collaboration across teams, and adapting strategies to ensure reliable and cost-effective deployment in divers...

Today

  •   Less than 5 years exp.  •   Retail & Consumer Goods

$95K - $115K *

Join a team that's dedicated to optimizing Linux and Windows systems, ensuring compliance, and enhancing user support. Leverage your expertise in cloud environments and automation to drive performance...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Join a team that takes ownership of Windows Server operations, ensuring optimal performance, compliance, and security across diverse environments. Lead with your expertise in NinjaOne, virtualization...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Transform your career by managing and optimizing Linux web server environments. Leverage your expertise in Apache, Tomcat, and NGINX to enhance performance, security, and reliability in a fully remote...

United StatesRemote

1 week ago

  •   8 - 10 years exp.  •   Enterprise Technology

$95K - $115K *

Support mission-critical systems by administering and optimizing Linux infrastructure, implementing automation, and ensuring security compliance in a dynamic environment. Collaborate with teams to tro...

2 weeks ago

  •   11 - 15 years exp.  •   Information Technology

$108K - $130K *

Join a dynamic team as you support and optimize IT systems in complex enterprise environments. Leverage your expertise in Linux, HPC, and advanced networking to enhance mission-critical infrastructure...

2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$100K - $120K *

Elevate IT systems management by optimizing and supporting mission-critical infrastructure. Lead advanced troubleshooting in high-performance computing environments, ensuring seamless operations and e...

2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Champion the maintenance and optimization of IT systems, ensuring seamless operations and robust support across diverse environments while leading troubleshooting efforts and enhancing system performa...

Yesterday

  •   8 - 10 years exp.  •   Aerospace & Defense

$95K - $115K *

Develop and optimize Elastic Stack solutions in a multi-disciplined team, ensuring security and efficiency in a Federal DoD environment. Contribute to technical documentation and enhance capabilities...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$78K - $250K *

Optimize your career by joining a dynamic engineering team focused on system administration and support. Leverage your expertise to tackle complex challenges and enhance operational efficiency in a co...

3 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Elevate enterprise-level IT operations by providing Tier 3 systems administration, security, and support for on-premises and cloud environments, ensuring compliance and optimal performance across mult...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$160K - $200K *

Shape the future of our inference cloud infrastructure by owning the control plane, gateway, and observability stack. Lead a growing team, tackle production challenges, and enhance performance across...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$120K - $145K *

Lead the modernization and sustainment of a critical defense procurement platform, ensuring technical integrity, performance, and security across multiple applications while implementing innovative so...

4 days ago

  •   11 - 15 years exp.  •   Consumer Technology

$88K - $105K *

Unlock potential by joining a dynamic team as a key technical resource, ensuring operational excellence and system reliability within IBM infrastructure while collaborating with cross-functional teams...

Louisiana, USRemote

4 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

Frequently Asked Questions (FAQ)

  • What does an IT Infrastructure Administrator do?question toggle

    An IT Infrastructure Administrator maintains and supports the systems, networks, servers, cloud services, and related tools that organizations use to operate. The work can include monitoring availability, troubleshooting incidents, managing access, applying updates, and supporting backups and security.

  • What skills are commonly required for IT Infrastructure Administrator jobs?question toggle

    Requirements vary, but employers commonly seek experience with Windows or Linux administration, networking, virtualization, cloud platforms, identity and access management, monitoring, and scripting. Communication, troubleshooting, and documentation skills are also important.

  • Which certifications can help IT Infrastructure Administrators?question toggle

    Depending on the position, certifications in AWS, Microsoft Azure, Google Cloud, VMware, Cisco, or security may be useful. The most relevant credential depends on the employer's technology environment and the role's responsibilities.

  • What career paths can follow an IT Infrastructure Administrator role?question toggle

    Professionals may progress into senior infrastructure administration, cloud engineering, network architecture, site reliability engineering, IT operations management, or cybersecurity roles.

  • Are IT Infrastructure Administrator jobs available that pay $100,000 or more?question toggle

    Yes. Ladders features vetted professional jobs paying $100,000 or more, including qualifying IT infrastructure opportunities. Compensation and requirements vary by employer, location, and experience.