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 *

Develop and optimize Elastic Stack solutions in a multi-disciplined team, ensuring security and efficiency in a Federal DoD environment. Contribute to technical documentation and enhance capabilities...

4 days ago

  •   8 - 10 years exp.  •   Information Technology

$78K - $250K *

Optimize your career by joining a dynamic engineering team focused on system administration and support. Leverage your expertise to tackle complex challenges and enhance operational efficiency in a co...

3 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$120K - $145K *

Lead the charge in transforming Infrastructure services through automation, ensuring agility and compliance while mentoring teams in DevOps practices. Drive technology innovation and optimize CI/CD pi...

Reposted today

  •   8 - 10 years exp.  •   Retail & Consumer Goods

$95K - $115K *

Elevate enterprise-level IT operations by providing Tier 3 systems administration, security, and support for on-premises and cloud environments, ensuring compliance and optimal performance across mult...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$160K - $200K *

Shape the future of our inference cloud infrastructure by owning the control plane, gateway, and observability stack. Lead a growing team, tackle production challenges, and enhance performance across...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$120K - $145K *

Lead the modernization and sustainment of a critical defense procurement platform, ensuring technical integrity, performance, and security across multiple applications while implementing innovative so...

4 days ago

  •   11 - 15 years exp.  •   Consumer Technology

$88K - $105K *

Unlock potential by joining a dynamic team as a key technical resource, ensuring operational excellence and system reliability within IBM infrastructure while collaborating with cross-functional teams...

Louisiana, USRemote

4 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$78K - $120K *

Unlock your potential as a Network Administrator, enhancing global network infrastructure and supporting diverse users. Collaborate with experts to implement innovative solutions while ensuring cybers...

Reposted 2 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$104K - $127K *

Drive system administration excellence by troubleshooting, securing, and managing TIF systems. Collaborate on documentation and support network operations for the U.S. Army, ensuring optimal performan...

1 week ago

  •   15+ years exp.  •   Aerospace & Defense

$80K - $95K *

Join a dynamic team to provide expert administration and support for Navy IT operations, ensuring the reliability and security of critical Windows-based systems and networks while enhancing your profe...

4 weeks ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$117K - $129K *

Drive advanced IT infrastructure projects across the District, ensuring timely delivery, compliance with standards, and effective coordination with stakeholders to enhance technology integration in fa...

Reposted 3 days ago

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

$103K - $197K *

Champion IT change governance for complex software releases, ensuring service availability and compliance. Collaborate with cross-functional teams to evaluate dependencies, coordinate maintenance, and...

3 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$103K - $197K *

Lead the charge in IT change governance for complex software releases, ensuring service availability and compliance. Collaborate with cross-functional teams to evaluate infrastructure dependencies and...

San Antonio, TXRemote

3 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$110K - $130K *

Lead day-to-day IT administration, enhancing infrastructure and cybersecurity initiatives while collaborating with engineering teams to streamline operations and drive technical solutions for organiza...

Reposted 3 weeks ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$100K - $120K *

Transform IT operations by managing infrastructure, providing support, and enhancing system reliability. Engage in troubleshooting, problem resolution, and improving system performance for effective d...

3 weeks ago

  •   11 - 15 years exp.  •   Enterprise Technology

$88K - $105K *

Support system administration tasks to maintain and develop hardware and software environments, ensuring optimal operation and security for a NAVY contract. Collaborate on system design, implementatio...

1 week ago

  •   5 - 7 years exp.  •   Healthcare

$80K - $95K *

Lead the maintenance and support of operating systems and infrastructure, ensuring optimal performance and uptime. Engage in system upgrades, troubleshooting, and documentation to enhance IT operation...

5 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $121K *

Join a team that's dedicated to optimizing and maintaining critical IT infrastructure. This role involves troubleshooting, administration, and collaboration to ensure the reliability of Microsoft Entr...

Edmonton, ABIn-Person

5 days ago

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

$110K - $130K *

Unlock your potential as a Senior DevSecOps Engineer, driving operational excellence in Linux and DB2 administration. Collaborate across teams to enhance application performance and security in a full...

United StatesRemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$88K - $115K *

Elevate your career by managing network systems and cybersecurity for Navy Tactical Training, ensuring seamless operation and performance. Collaborate with cross-functional teams and support enterpris...

Reposted 5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$100K - $115K *

Join a team that's dedicated to enhancing Linux systems in a dynamic RDT&E environment. Leverage your expertise in system administration, collaborate on server management, and drive improvements in pe...

Today

  •   Less than 5 years exp.  •   Aerospace & Defense

$80K - $95K *

Elevate IT operations by installing, configuring, and maintaining network systems. Engage in troubleshooting and support for hardware and software issues, ensuring optimal performance across multiple...

5 days ago

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

$88K - $92K *

Join a team that's dedicated to optimizing IT systems for efficient manufacturing. Take ownership of day-to-day IT support and collaborate with leadership to ensure reliable technology solutions in a...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$150K - $170K *

Transform critical federal systems by leading a dynamic team of IT professionals, ensuring high availability and resilience while driving technical excellence and operational efficiency in a hybrid en...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$160K - $200K *

Lead the charge in developing innovative web solutions using SharePoint and advanced technologies. Collaborate with teams to enhance user experience and ensure compliance with government policies whil...

6 days ago

  •   8 - 10 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.