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 - $95K *

Elevate core infrastructure systems by managing projects and ensuring stability, performance, and swift issue resolution. Collaborate across teams while balancing multiple projects in a dynamic, hybri...

Montreal, QCIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$86K - $181K *

Develop and maintain a robust Microsoft Windows infrastructure, ensuring operational readiness through advanced technology solutions and effective lifecycle management of systems and applications...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$86K - $181K *

Join a team that's dedicated to maintaining cutting-edge Microsoft Windows infrastructure. Leverage your expertise to ensure operational readiness and enhance cybersecurity posture through innovative...

6 days ago

  •   8 - 10 years exp.  •   Information Technology

$72K - $90K *

Execute network infrastructure deployments and upgrades across multiple sites. Collaborate with IT teams and vendors to ensure seamless installations while maintaining project documentation and troubl...

6 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$90K *

Transform IT infrastructure by developing full-stack applications and managing databases. Collaborate with stakeholders to enhance processes, conduct testing, and implement new systems while ensuring...

Oshawa, ONIn-Person

1 week ago

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

$105K - $231K *

Lead cloud infrastructure management and Linux system administration, ensuring optimal performance and support for both local and remote environments. Collaborate with IT professionals to enhance clou...

Yesterday

  •   8 - 10 years exp.  •   Information Technology

$105K - $231K *

Partner with us to manage and optimize cloud infrastructure while providing expert Linux support. Leverage your skills in server administration and network troubleshooting to enhance our dynamic IT te...

Yesterday

  •   8 - 10 years exp.  •   Information Technology

$88K - $105K *

Optimize network security and infrastructure by leading assessments, implementing solutions, and ensuring robust protocols. Collaborate with teams to enhance system performance and manage disaster rec...

2 weeks ago

  •   5 - 7 years exp.  •   Staffing

$95K - $120K *

Shape the future of IT infrastructure and cybersecurity by ensuring reliable, secure systems. Collaborate with teams to enhance security posture while supporting evolving business needs in a dynamic e...

2 weeks ago

  •   5 - 7 years exp.  •   Retail & Consumer Goods

$80K - $95K *

Lead the charge in optimizing and securing our IT platforms, ensuring seamless integration across departments. This hands-on role requires expertise in Microsoft 365, Azure, and various business appli...

2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

$72K - $149K *

Unlock potential by managing and securing cloud and hybrid environments, bridging operations and development teams. Drive automation and scalability while ensuring robust security measures and efficie...

Yesterday

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Elevate your career by leading IT infrastructure operations in a dynamic environment. Drive technical excellence and operational continuity while managing critical systems and vendor relationships to...

3 weeks ago

  •   5 - 7 years exp.  •   Enterprise Technology

$140K - $160K *

Join a team that's dedicated to providing critical IT support in a classified environment. You'll manage enterprise systems, troubleshoot complex issues, and collaborate with military and cybersecurit...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $120K *

Join a dynamic team as an IT Systems Administrator, providing essential support and administration for user systems and infrastructure. Engage in troubleshooting, maintenance, and security efforts to...

3 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$80K - $95K *

Join a dynamic team to enhance and maintain critical IT infrastructure, ensuring 24/7 operational continuity. Collaborate with global teams to support modernization, security, and performance across s...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$125K - $135K *

Lead the charge in enterprise systems architecture and infrastructure modernization. Drive automation, optimize security, and implement zero-trust principles across complex environments while ensuring...

5 days ago

  •   8 - 10 years exp.  •   Information Technology

$125K - $135K *

Innovate robust infrastructure solutions by leading enterprise systems architecture, automation, and zero-trust security implementation across complex environments. Drive strategic initiatives for ope...

5 days ago

  •   8 - 10 years exp.  •   Information Technology

$85K - $100K *

Drive the design and management of high-performing cloud infrastructures, ensuring their availability, performance, and security. Collaborate with teams to implement automations and improve systems wh...

Michigan, USRemote

3 weeks ago

  •   Less than 5 years exp.  •   Legal & Accounting

$110K - $130K *

Lead the transformation of enterprise systems architecture and security. Drive automation, optimize infrastructure, and implement zero-trust principles across complex environments while ensuring compl...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$110K - $130K *

Lead the charge in enterprise systems architecture and infrastructure modernization. Drive automation, optimize security, and implement zero-trust principles across complex environments while ensuring...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Join a dynamic team to optimize enterprise Linux systems, ensuring high availability and security across diverse environments. Leverage your expertise in cloud infrastructure and automation to enhance...

Today

  •   5 - 7 years exp.  •   Information Technology

$110K - $130K *

Explore a pivotal role in maintaining Linux and Windows infrastructure, supporting critical DevOps and operational systems across multiple environments. Collaborate with a diverse team to ensure syste...

3 days ago

  •   11 - 15 years exp.  •   Consumer Technology

$80K - $95K *

Empower the mission by managing and optimizing Windows systems for critical Command and Control operations, ensuring seamless integration and support for advanced technology solutions in a dynamic env...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Grow your career with a hands-on Systems Administrator role, supporting multi-site infrastructure and Microsoft 365 administration. Travel up to 50% to deliver on-site technical expertise and ensure s...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Deliver advanced technical support for desktop, server, and cloud environments, ensuring optimal performance and security. Mentor junior staff while resolving complex issues and enhancing client satis...

California, USRemote

3 days ago

  •   Less than 5 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.