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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$110K - $120K *

Drive the success of a global team by managing complex IT infrastructures, ensuring secure and efficient operations across diverse environments, and enhancing system performance through automation and...

2 days ago

  •   8 - 10 years exp.  •   Business Services

$115K - $125K *

Help us ensure secure and efficient operations as a Systems Administrator, providing expert technical support, managing desktop systems, and leading complex troubleshooting efforts for our intelligenc...

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$100K - $125K *

Join us to manage and maintain Linux and Windows systems for classified data, ensuring operational availability and troubleshooting technical issues in a dynamic federal program environment...

3 days ago

  •   Less than 5 years exp.  •   Staffing

$95K - $126K *

Manage and enhance a secure multi-platform IT environment for critical national security missions. Collaborate with diverse teams to address challenges, implement solutions, and ensure reliable cybers...

Reposted 1 week ago

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

$132K - $161K *

Transform your career by managing complex network systems and security protocols. Leverage your expertise to enhance infrastructure, troubleshoot issues, and ensure reliable operations in a dynamic en...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $120K *

Drive operational excellence by managing and optimizing complex server environments. Leverage Infrastructure as Code and automation tools to enhance system reliability and security while mentoring tea...

6 days ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Elevate your career by managing and optimizing Linux server environments. Utilize your expertise in automation and security to support critical infrastructure across various networks while ensuring sy...

3 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$120K - $145K *

Serve as a key technical resource for Linux environments, bridging traditional infrastructure and modern containerization. Collaborate with cross-functional teams to optimize system performance, imple...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$100K - $120K *

Collaborate with us to deliver advanced Unix systems administration support, ensuring optimal performance and security for critical National Military Command Center systems. Join our dynamic team to i...

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$86K - $181K *

Transform infrastructure by maintaining Linux systems, ensuring operational readiness through advanced technology applications and robust support for deployments and security compliance...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$77K - $128K *

Unlock your potential as you lead technology audits, assess risks, and ensure compliance. Collaborate with cross-functional teams to deliver high-quality documentation and insights, driving operationa...

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$77K - $128K *

Explore a pivotal role in executing and managing technology audits, ensuring compliance and risk mitigation while collaborating with cross-functional teams to enhance operational efficiency and contro...

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$135K - $150K *

Champion secure Microsoft systems administration to enhance Navy operations. Lead enterprise-level infrastructure management, ensuring compliance with cybersecurity standards while mentoring junior st...

5 days ago

  •   Less than 5 years exp.  •   Technical Services

$83K *

Transform enterprise systems as a key contributor in a collaborative IT team. Drive Azure migrations, enhance infrastructure security, and automate processes to optimize technology and support evolvin...

2 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$104K - $166K *

Unlock potential by overseeing system health and security, troubleshooting issues, and managing large clusters. Collaborate with teams to ensure infrastructure support while providing after-hours assi...

1 week ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$150K - $180K *

Lead global IT operations, enhancing employee experience and infrastructure. Drive automation, manage identity access, and ensure seamless service delivery across corporate networks and applications...

Today

  •   8 - 10 years exp.  •   Transportation

$170K - $207K *

Lead the charge in supporting secure enclave development networks by implementing system administration best practices, ensuring optimal system performance, and maintaining rigorous security protocols...

4 weeks ago

  •   11 - 15 years exp.  •   Business Services

$128K - $214K *

Optimize IT systems as a Senior Linux System Administrator, managing infrastructure and processes. Provide troubleshooting support, enhance system performance, and ensure operational integrity across...

Today

  •   15+ years exp.  •   Information Technology

$95K - $115K *

Join a dynamic team to enhance IT systems administration, focusing on AWS cloud infrastructure and critical application support. Leverage your expertise to drive process improvements and ensure timely...

3 days ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Lead the charge in optimizing high-performance computing systems, ensuring seamless integration and troubleshooting across diverse Linux environments while collaborating with cross-functional teams to...

6 days ago

  •   8 - 10 years exp.  •   Enterprise Technology

$80K - $95K *

Contribute to a dynamic IT environment by managing endpoint systems, enhancing collaboration tools, and providing technical support. Own the administration of macOS and Windows devices while improving...

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$72K - $87K *

Elevate data center operations by independently executing advanced installations. You will ensure quality and efficiency while mentoring junior technicians during build, expansion, and maintenance pro...

Reposted 2 days ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$72K - $87K *

Lead the charge in data center infrastructure projects by executing advanced installations and quality assurance processes, mentoring junior technicians, and ensuring adherence to engineered drawings...

Reposted 2 days ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$80K - $95K *

Elevate your career by supporting IT systems management and operations. Engage in problem resolution and performance enhancements across various platforms, ensuring reliability and efficiency within o...

Reposted today

  •   8 - 10 years exp.  •   Information Technology

$85K - $89K *

Join a dynamic team as you oversee local IT operations, ensuring seamless network functionality and user support. Collaborate with management to enhance IT security and lead projects that drive effici...

6 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

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.