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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$149K - $175K *

Lead the strategic direction of high-availability infrastructure platforms, driving operational excellence and modernization to support mission-critical business services while ensuring long-term tech...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Finance & Insurance

$149K - $175K *

Lead a strategic team in managing high-availability infrastructure environments, ensuring exceptional performance, resiliency, and operational excellence while driving modernization and innovation acr...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Finance & Insurance

$120K - $145K *

Partner with us to lead complex, multi-project programs in mission-critical data center construction, ensuring compliance with standards and delivering on time, within budget, and safely while managin...

6 days ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$120K - $145K *

Join a team that's redefining infrastructure architecture and modernization. Lead initiatives across datacenter, cloud, and networking platforms while driving automation and security standards to enha...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$150K - $205K *

Advance your career as a Mid-Senior System Administrator, ensuring optimal performance and security in a complex, multi-domain network environment. Collaborate with teams to support system engineering...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$150K - $205K *

Optimize your career as a Mid-Senior System Administrator, managing complex network environments and ensuring system integrity. Collaborate with teams to enhance operational capabilities and support d...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Drive security excellence by managing identity access, external testing, and compliance processes. Collaborate with teams to enhance AWS security and develop scalable policies, ensuring robust protect...

United StatesRemote

2 weeks ago

  •   Less than 5 years exp.  •   Healthcare

$80K - $95K *

Champion access governance by ensuring compliance and security in identity management. Collaborate with IT and business teams to enhance processes, mitigate risks, and maintain appropriate access cont...

3 days ago

  •   Less than 5 years exp.  •   Enterprise Technology

$155K - $215K *

Join a team that's driving innovation as a senior Windows System Administrator, providing critical support in a fast-paced Agile environment. You'll manage systems across a broad footprint, ensuring o...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$155K - $215K *

Transform your career by joining a dynamic Agile team as a senior Windows System Administrator, providing critical systems support and enhancing operational capabilities across diverse environments in...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$130K - $150K *

Optimize secure network infrastructure for mission-critical operations, ensuring compliance and operational readiness. Collaborate with teams to enhance security posture and maintain high-performance...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$100K - $130K *

Empower the IT landscape by overseeing system administration, user support, and security compliance. Collaborate with teams to enhance infrastructure and ensure operational excellence across multiple...

Yesterday

  •   5 - 7 years exp.  •   Technical Services

$100K - $130K *

Empower progress at the forefront of IT by managing systems, supporting users, and ensuring security compliance. Collaborate with teams to enhance infrastructure and deliver technical solutions across...

Yesterday

  •   5 - 7 years exp.  •   Aerospace & Defense

$95K - $115K *

Oversee IT operations and service delivery, ensuring effective support and infrastructure management across a multi-site healthcare environment while leading a dynamic team to enhance operational exce...

Reposted 3 days ago

  •   Less than 5 years exp.  •   Healthcare

$135K - $145K *

Join a dynamic team to build and maintain data pipelines for cybersecurity, ensuring secure service availability. Leverage your expertise in Linux, Windows, and networking while collaborating closely...

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$75K - $113K *

Unlock your potential as a Systems Administrator, managing Windows and Linux systems for classified contracts. Collaborate with engineers and users to ensure optimal performance and security in a dyna...

6 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$159K - $178K *

Transform IT infrastructure by leading cloud strategy and operations, ensuring optimal performance and reliability across enterprise systems while fostering innovation and collaboration within teams a...

4 days ago

  •   5 - 7 years exp.  •   Healthcare

$82K - $86K *

Oversee daily operations of mission-critical data center systems, ensuring optimal performance and compliance. Collaborate on maintenance, incident reporting, and procedure development to achieve 100...

4 days ago

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

$110K - $115K *

Advance your career by providing essential IT support for manufacturing operations, ensuring seamless functionality of hardware, software, and network systems while collaborating with corporate IT to...

6 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$110K - $130K *

Elevate client technology solutions by collaborating on upgrades, migrations, and infrastructure design. Engage with teams to drive innovation and ensure seamless service delivery across diverse proje...

3 weeks ago

  •   Less than 5 years exp.  •   Business Services

$125K - $135K *

Lead the administration and support of critical Windows and Linux servers, ensuring optimal performance and security in a dynamic data center environment. Collaborate with cross-functional teams to en...

3 days ago

  •   5 - 7 years exp.  •   Business Services

$138K - $188K *

Transform data center operations by leading daily management, ensuring safety and compliance while driving operational excellence. Collaborate with teams to enhance performance, prevent incidents, and...

Ottawa, ONIn-Person

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$138K - $188K *

Advance your career by ensuring operational excellence in data center facilities. Lead a dynamic team to uphold safety, reliability, and compliance, driving key initiatives that enhance performance an...

Toronto, ONIn-Person

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$120K - $160K *

Unlock potential by guiding customers through their infrastructure modernization journey, combining data center and public cloud solutions to ensure competitive advantage and resilience in a dynamic l...

Toronto, ONIn-Person

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$80K - $120K *

Transform technical support environments by providing expert end-user assistance, troubleshooting, and system administration in a fast-paced IT setting, while ensuring security and usability for diver...

Reposted 6 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.