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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$198K - $215K *

Pioneer data center modernization efforts by assessing infrastructure, ensuring compliance, and providing expert guidance to enhance operational capabilities and security for mission-critical systems...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Join a team that's dedicated to deploying and managing cutting-edge AI lab infrastructure. You'll oversee network, compute, storage, and container orchestration, ensuring seamless operations across a...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$100K - $149K *

Transform IT infrastructure by deploying, maintaining, and optimizing core services. Collaborate with cross-functional teams to ensure reliability, security, and compliance while driving automation an...

3 days ago

  •   Less than 5 years exp.  •   Finance & Insurance

$140K - $200K *

Lead and optimize Linux infrastructure for engineering teams, ensuring reliability, security, and compliance. Mentor junior staff, manage complex systems, and drive automation while collaborating acro...

3 days ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$78K - $137K *

Elevate digital infrastructure by leading a skilled team to optimize data center operations, ensuring seamless connectivity and operational excellence while driving innovations that support a global t...

Today

  •   Less than 5 years exp.  •   Retail & Consumer Goods

$78K - $137K *

Manage a dynamic team to optimize data center operations, ensuring seamless connectivity and operational excellence while driving innovations in infrastructure delivery across global technology networ...

Today

  •   Less than 5 years exp.  •   Retail & Consumer Goods

$96K - $169K *

Join a dynamic team to optimize digital infrastructure, driving operational excellence and seamless connectivity solutions in a fast-paced data center environment. Lead and mentor staff while managing...

3 days ago

  •   Less than 5 years exp.  •   Retail & Consumer Goods

$100K - $120K *

Support enterprise systems administration and operational IT services, ensuring reliable and secure infrastructure. Collaborate with cross-functional teams to maintain and enhance server, application...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Join a team that's dedicated to maintaining secure and reliable IT services. As a Systems Administrator, you'll oversee server management, support enterprise applications, and collaborate with enginee...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$160K - $180K *

Drive innovative network solutions by troubleshooting complex issues, implementing designs, and enhancing operational efficiencies. Collaborate with teams to deliver high-quality documentation and lea...

1 week ago

  •   5 - 7 years exp.  •   Staffing

$74K - $97K *

Optimize IT support by managing hardware, software, and user training. Ensure system integrity, implement new technologies, and maintain documentation to enhance operational efficiency and user satisf...

1 week ago

  •   Less than 5 years exp.  •   Transportation

$120K - $145K *

Optimize cloud infrastructure by architecting, deploying, and automating solutions across AWS GovCloud and Azure. Collaborate with teams to enhance cloud standards, governance, and operational efficie...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$80K - $95K *

Drive innovation in IT systems as a Windows System Administrator, overseeing network performance, mentoring staff, and ensuring security. Collaborate with vendors and support regional offices while en...

6 days ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$80K - $95K *

Optimize IT systems and networks by designing, configuring, and supporting infrastructure while mentoring desktop staff and ensuring security and performance across all platforms...

6 days ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$80K - $95K *

Transform the future of healthcare technology by managing critical IT systems. Collaborate across teams to enhance security, reliability, and efficiency in clinical operations, ensuring seamless suppo...

Today

  •   Less than 5 years exp.  •   Healthcare

$80K - $95K *

Solve complex technical challenges as you manage and modernize critical IT infrastructure. Collaborate across teams to enhance security, reliability, and efficiency in supporting essential clinical sy...

Yesterday

  •   Less than 5 years exp.  •   Healthcare

$99K - $148K *

Optimize classified IT systems by ensuring reliable operation, maintenance, and security in a dynamic lab environment. Collaborate with teams to enhance infrastructure and support mission-critical ope...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$92K - $137K *

Advance network systems by planning, designing, and managing IT infrastructure. Collaborate with teams to optimize performance, ensure security, and resolve issues, while maintaining compliance with p...

1 week ago

  •   Less than 5 years exp.  •   Business Services

$80K - $95K *

Join a team that's dedicated to enhancing IT compliance and governance. In this role, you'll support Inspector General activities, manage Information Support Plans, and ensure TEMPEST compliance, driv...

3 weeks ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$243K - $315K *

Transform complex hardware into reliable services by leveraging your extensive Linux and infrastructure expertise. Collaborate with a dynamic team to support advanced computing and data analytics for...

2 weeks ago

  •   15+ years exp.  •   Staffing

$85K - $120K *

Unlock your potential by providing essential IT support and systems administration. Collaborate with a dedicated team to ensure reliable operations of Windows servers and network infrastructure, enhan...

4 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$110K - $130K *

Transform IT operations by owning MDM, asset management, and compliance. Collaborate with security and IT teams to enhance systems, streamline processes, and ensure accurate documentation while drivin...

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$85K - $95K *

Optimize network performance and security by implementing and managing infrastructure, troubleshooting issues, and providing user support. Collaborate with IT teams to ensure seamless operations and m...

1 week ago

  •   Less than 5 years exp.  •   Healthcare

$94K - $127K *

Unlock your potential by joining a dynamic team focused on enhancing public safety through expert-level system administration and support for critical law enforcement communication technologies. Drive...

1 week ago

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

$180K - $230K *

Lead the design and development of Linux-based solutions for global systems, enhancing Air Force Intelligence Operations. Collaborate on automation, virtualization, and cloud technologies to meet real...

1 week ago

  •   8 - 10 years exp.  •   Aerospace & Defense

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.