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 - $130K *

Drive client success by leading a team to deliver high-quality managed IT services and support. Collaborate on innovative solutions, enhance service delivery, and maintain strong client relationships...

Reposted 4 weeks ago

  •   5 - 7 years exp.  •   Business Services

$120K - $160K *

Join us to lead a dynamic infrastructure team, managing IT operations and modernization strategies for a large Federal Department. Drive service delivery, enhance system performance, and ensure custom...

Today

  •   8 - 10 years exp.  •   Information Technology

$120K - $160K *

Elevate your career by leading a dynamic team in managing IT infrastructure for a large Federal Department. Drive modernization strategies and ensure optimal service delivery while fostering collabora...

Today

  •   8 - 10 years exp.  •   Information Technology

$120K - $145K *

Manage a dynamic infrastructure team, driving modernization and IT service delivery across a large Federal Department. Lead strategic initiatives, optimize performance, and ensure seamless integration...

Today

  •   8 - 10 years exp.  •   Information Technology

$125K - $155K *

Innovate in cloud infrastructure by designing and evolving Azure environments. Collaborate with teams to translate business needs into robust solutions, ensuring compliance and optimizing costs while...

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$125K - $155K *

Elevate your career by designing and optimizing Azure infrastructure solutions. Collaborate with cross-functional teams to translate business needs into scalable, cost-effective designs while ensuring...

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$80K - $120K *

Unlock your potential as a Systems Engineer, ensuring 24/7 reliability of a critical US Navy IT network. Collaborate on operations, maintenance, and troubleshooting to enhance network performance and...

3 days ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $120K *

Elevate operational excellence by providing Tier 2 engineering support for a mission-critical US Navy enterprise transport network, ensuring 24/7 availability and reliability through proactive mainten...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$95K - $115K *

Shape the future of technology and security by leading IT operations, enhancing systems, and driving strategic initiatives that align with organizational goals while fostering a culture of collaborati...

1 week ago

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

$125K - $150K *

Transform IT operations by leading a hands-on team to ensure seamless infrastructure, security, and support for a growing organization. Drive efficiency and reliability for 150-200 users while alignin...

2 weeks ago

  •   8 - 10 years exp.  •   Finance & Insurance

$79K - $209K *

Engage your skills to build backend services for GPU data centers, enhancing AI and high-performance computing. Join a dynamic team to develop reliable software solutions that streamline hardware onbo...

Today

  •   5 - 7 years exp.  •   Enterprise Technology

$79K - $209K *

Engineer scalable, resilient distributed systems. Optimize performance, implement fault tolerance, and ensure compliance while collaborating across teams to enhance operational efficiency and security...

6 days ago

  •   Less than 5 years exp.  •   Enterprise Technology

$79K - $209K *

Transform distributed systems by designing, implementing, and optimizing scalable components. Enhance service reliability and performance through advanced testing, automation, and security practices w...

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$79K - $209K *

Innovate scalable, resilient distributed systems by designing, implementing, and optimizing components. Collaborate on fault-tolerant solutions, enhance performance, and ensure compliance while proact...

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$79K - $209K *

Elevate your career by designing and optimizing high-performance GPU systems for AI/ML workloads. Collaborate on innovative solutions that enhance scalability and resilience in distributed environment...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$79K - $209K *

Join a dynamic team to design and build scalable cloud solutions, enhancing high-availability systems. Collaborate across teams to innovate and improve customer experiences while tackling complex chal...

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$110K - $130K *

Lead the charge in automating and scaling network infrastructure across diverse global datacenters, enhancing performance and security while collaborating with engineering teams to implement robust so...

United StatesRemote

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Join a team that's dedicated to optimizing enterprise SharePoint Online environments. Drive system stability and performance while enhancing operational efficiency through automation and collaboration...

2 weeks ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$80K - $95K *

Shape the future of enterprise infrastructure by managing SharePoint Online, ensuring optimal performance, security, and integration. Drive automation and support operational continuity across cloud a...

2 weeks ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$80K - $95K *

Shape the future of enterprise infrastructure by managing SharePoint Online environments. Ensure optimal performance, security, and reliability while driving automation and operational efficiency acro...

2 weeks ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$86K - $181K *

Oversee the design and implementation of enterprise IT infrastructure across physical, virtual, and cloud environments while managing global operations and ensuring compliance with security requiremen...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Information Technology

$93K - $179K *

Support the administration of CICS on mainframe z/OS, ensuring optimal performance and reliability for mission-critical applications. Collaborate with teams to troubleshoot issues, implement upgrades...

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$114K - $143K *

Lead the charge in IT operations management, overseeing enterprise systems and data center operations while driving strategic initiatives and team development to ensure efficient, secure, and innovati...

4 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Join a team that's dedicated to enhancing network security and performance. In this role, you'll design, maintain, and monitor systems while ensuring compliance with cybersecurity standards and provid...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$85K - $90K *

Lead the development and management of energy and infrastructure policy initiatives, engaging with stakeholders to advance strategic objectives while ensuring effective program execution and communica...

2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

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.