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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$95K - $115K *

Lead system administration efforts for a complex, distributed network, ensuring optimal performance and security. Collaborate with users and technical teams to resolve issues and maintain documentatio...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$110K - $130K *

Manage day-to-day IT operations, ensuring reliability, security, and support for technology systems. Oversee user support, infrastructure, and compliance with cybersecurity regulations while coordinat...

6 days ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$90K - $93K *

Join a team that's dedicated to optimizing system performance and user support. As a System Administrator, you'll manage complex networks, troubleshoot issues, and implement solutions to enhance opera...

Today

  •   Less than 5 years exp.  •   Business Services

$140K - $171K *

Lead the charge in enhancing enterprise systems by supervising teams, analyzing complex projects, and implementing innovative IT solutions to improve efficiency and security across city operations...

1 week ago

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

$80K - $95K *

Execute hands-on management of IT and lab infrastructure, ensuring optimal performance and reliability. Collaborate with cross-functional teams to troubleshoot issues, enhance operations, and drive co...

1 week ago

  •   Less than 5 years exp.  •   Media

$80K - $95K *

Partner with us to enhance our IT infrastructure by managing hybrid environments, automating processes, and ensuring security compliance. Your expertise will drive efficiency and protect our systems a...

5 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$80K - $95K *

Join a dynamic team as a System Administrator, managing hybrid IT environments. Leverage your expertise in identity management, endpoint security, and automation to enhance our infrastructure and prot...

5 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$86K - $113K *

Manage IT operations across multi-family residential communities, providing on-site and remote support for a Windows-based network. Collaborate with teams to enhance technology solutions and ensure se...

1 week ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$95K - $115K *

Empower our corporate IT systems by providing vital support, troubleshooting issues, and optimizing services. Join a dynamic team where your expertise will enhance employee experiences and contribute...

Reposted 3 days ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Lead and optimize integration services, ensuring quality outcomes and high performance. Collaborate with teams to support internal and client needs while managing departmental associates and driving c...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$90K - $110K *

Manage day-to-day infrastructure and customer support, ensuring optimal server performance, security, and incident response. Collaborate on initiatives to enhance operational security and maintain doc...

United StatesRemote

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$130K - $145K *

Lead the charge in providing technical oversight and mentorship for a Systems Administration team, ensuring the security, performance, and availability of critical enterprise IT infrastructure while r...

Washington DC, USRemote

2 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Champion innovative infrastructure solutions while providing Tier 3 support and leading complex projects. Collaborate with IT teams to enhance system performance and reliability, ensuring seamless ope...

1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$130K *

Elevate the future of Linux management by leading strategic architecture, governance, and implementation for a centralized platform. Collaborate with diverse teams to enhance operational efficiency an...

1 week ago

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

$80K - $95K *

Lead the charge in enhancing IT systems for NASA programs, ensuring optimal performance and security across Windows, Linux, and cloud environments. Collaborate with technical teams to support infrastr...

6 days ago

  •   Less than 5 years exp.  •   Enterprise Technology

$85K - $95K *

Optimize the security and reliability of a hybrid-cloud IT environment, managing Active Directory, Microsoft 365, and multi-site infrastructure. Collaborate on security initiatives and automate proces...

5 days ago

  •   Less than 5 years exp.  •   Healthcare

$103K - $147K *

Transform critical systems by managing and securing information technology infrastructures. Collaborate with engineering teams to enhance operational efficiency and support vital government missions t...

5 days ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$80K - $95K *

Join a team that's dedicated to enhancing IT infrastructure through Windows Server Administration and Azure management. Collaborate on cybersecurity measures and provide vital support to ensure operat...

4 days ago

  •   Less than 5 years exp.  •   Transportation

$116K - $150K *

Join a team that's dedicated to enhancing network infrastructure for a critical Space Development Agency project. As a Senior Systems Administrator, you'll manage and optimize systems, ensuring robust...

5 days ago

  •   8 - 10 years exp.  •   Telecommunications & Hardware

$80K - $95K *

Lead cybersecurity systems administration and support for Windows and Linux environments, ensuring compliance and security for mission-critical applications and infrastructure. Collaborate on risk ass...

1 week ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$110K - $135K *

Unlock potential by leading complex IT infrastructure projects, coordinating vendors, and engaging stakeholders. Drive project success through effective planning, execution, and communication across d...

6 days ago

  •   8 - 10 years exp.  •   Staffing

$95K - $115K *

Drive comprehensive systems administration for large-scale Linux infrastructure, ensuring optimal performance, security, and reliability across HPC environments and IaaS platforms while supporting day...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$95K - $115K *

Join a team that's dedicated to optimizing large-scale Linux infrastructures. You'll manage system operations, enhance security, and troubleshoot issues in a collaborative environment focused on innov...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $105K *

Innovate our Azure infrastructure by automating processes and enhancing security. Collaborate with IT teams to ensure reliable access and seamless integration of new technologies while leading infrast...

Montreal, QCIn-Person

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

$75K - $90K *

Champion the technology infrastructure that drives academic and administrative success. Lead a high-performing team, manage critical initiatives, and ensure secure, reliable services while collaborati...

3 weeks ago

  •   5 - 7 years exp.  •   Information 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.