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 *

Join a team that's dedicated to optimizing IT infrastructure and support. As a Systems Administrator, you'll enhance client environments through advanced technical solutions, mentoring, and exceptiona...

3 days ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Advance your career as a Systems Administrator, providing expert support across desktop, server, and cloud environments. Collaborate with teams to resolve complex issues, mentor junior staff, and enha...

3 days ago

  •   Less than 5 years exp.  •   Information Technology

$88K - $105K *

Lead the charge in enterprise patch management and vulnerability remediation, ensuring security and compliance across all managed systems. Collaborate with IT teams to enhance operational integrity an...

4 days ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Manage and enhance technology infrastructure, ensuring security and efficiency. Oversee MS servers, Active Directory, and support AI and cloud initiatives while maintaining compliance and monitoring s...

1 week ago

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

$110K - $140K *

Champion the maintenance and security of medium-sized secure networks, ensuring compliance with DoW regulations while collaborating with a dedicated team to support client needs and enhance system per...

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Elevate your career by managing and optimizing our hybrid cloud infrastructure. Collaborate with IT teams to ensure security, compliance, and seamless operations while providing top-notch support to i...

1 week ago

  •   5 - 7 years exp.  •   Transportation

$85K - $93K *

Lead the charge in securing and managing IT network and infrastructure systems. Collaborate with teams to ensure high availability, implement security measures, and support incident response while mai...

5 days ago

  •   5 - 7 years exp.  •   Transportation

$80K - $95K *

Support the protection of systems and data by monitoring security alerts, investigating incidents, and collaborating with internal teams and external partners to enhance security operations and incide...

1 week ago

  •   Less than 5 years exp.  •   Business Services

$80K - $95K *

Join a team that's dedicated to safeguarding systems and data through proactive security operations, incident response, and collaboration with external partners. Drive the maturity of security practic...

1 week ago

  •   Less than 5 years exp.  •   Business Services

$80K - $95K *

Optimize IT infrastructure by designing, implementing, and supporting systems and networks. Ensure uptime and security across multiple sites while collaborating with teams to enhance operations and re...

4 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $110K *

Unlock potential by managing IT systems and cloud infrastructure, providing technical support, and ensuring cybersecurity compliance. Collaborate on Microsoft 365 and Azure environments while enhancin...

1 week ago

  •   Less than 5 years exp.  •   Business Services

$80K - $95K *

Unlock your potential as a Systems Administrator, managing enterprise server environments, enhancing system performance, and collaborating with technical teams to ensure operational excellence and sec...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$120K - $130K *

Join a dynamic team to provide technical expertise in C2 systems, ensuring optimal performance and security. Oversee system administration, virtualization, and disaster recovery while collaborating wi...

4 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$110K - $140K *

Oversee and enhance the internal IT infrastructure, ensuring reliable support for user accounts, network services, and security. Collaborate with teams to streamline onboarding, offboarding, and IT in...

3 days ago

  •   Less than 5 years exp.  •   Enterprise Technology

$105K - $135K *

Join a team that's transforming IT operations through infrastructure automation, cloud technologies, and systems administration, ensuring optimal performance and resource utilization across Windows en...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$95K - $115K *

Unlock your potential by joining a dynamic team focused on IT system administration, ensuring robust cybersecurity and seamless support in a mission-critical environment. Drive operational excellence...

4 days ago

  •   5 - 7 years exp.  •   Information Technology

$139K - $172K *

Innovate the IT infrastructure and security landscape while implementing DevOps practices to enhance productivity, reliability, and compliance for a cutting-edge engineering organization. Drive cloud...

3 weeks ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$139K - $172K *

Architect secure and scalable IT infrastructure, bridging traditional IT and DevOps. Lead compliance for CMMC and FedRAMP, improving developer productivity and system reliability in a dynamic, innovat...

3 weeks ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$75K - $158K *

Explore opportunities to enhance AWS cloud systems as a key team member, ensuring high availability and security. Collaborate in a dynamic Agile environment to solve complex challenges and innovate al...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$75K - $158K *

Manage and enhance AWS cloud infrastructure, ensuring high availability and security. Collaborate with cross-functional teams in a dynamic Agile environment to solve complex challenges and optimize sy...

RemoteRemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$100K - $140K *

Transform mission-critical IT services by validating and testing solutions in a dynamic lab environment. Collaborate with engineering and cybersecurity teams to ensure robust performance and security...

3 days ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Elevate your career by managing and validating IT services in a mission-critical environment. Collaborate with engineering and cybersecurity teams to ensure robust testing and compliance, while mainta...

3 days ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Elevate your career by overseeing high-availability server environments, managing deployments, and leading infrastructure teams to enhance operational resilience and efficiency at a strategic level...

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Analyze and maintain Linux-based high-performance computing systems, ensuring optimal performance and reliability for mission-critical operations in a national security context. Collaborate with teams...

3 days ago

  •   5 - 7 years exp.  •   Business Services

$95K - $115K *

Optimize mission operations by supporting and maintaining Linux-based high-performance computing systems. Collaborate with teams to troubleshoot and enhance system performance on critical national sec...

3 days ago

  •   5 - 7 years exp.  •   Business Services

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.